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+      41.293       0.0124         41.4857    0.0140657
+     42.3253    0.0124888         42.5246    0.0141961
+     43.3834    0.0125778         43.5896    0.0143267
+      44.468     0.012667         44.6812    0.0144538
+     45.5797    0.0127564         45.8001    0.0145771
+     46.7192    0.0128459         46.9472    0.0147154
+     47.8872    0.0129357         48.1229    0.0148418
+     49.0843    0.0130255         49.3281    0.0149738
+     50.3115    0.0131155         50.5636    0.0151078
+     51.5692    0.0132057           51.83    0.0152465
+     52.8585     0.013296         53.1281    0.0153799
+     54.1799    0.0133865         54.4586    0.0155086
+     55.5344     0.013477         55.8226    0.0156457
+     56.9228    0.0135677         57.2206    0.0157767
+     58.3459    0.0136586          58.654    0.0159265
+     59.8045    0.0137495          60.123     0.016061
+     61.2996    0.0138406         61.6288    0.0161964
+     62.8321    0.0139318         63.1723    0.0163317
+     64.4029     0.014023          64.755    0.0164887
+      66.013    0.0141146         66.3768    0.0166266
+     67.6633    0.0142061         68.0395    0.0167714
+     69.3549    0.0142977         69.7436    0.0169102
+     71.0888    0.0143895          71.491    0.0170698
+      72.866    0.0144812         73.2815    0.0172053
+     74.6876     0.014573         75.1172    0.0173548
+     76.5548    0.0146647         76.9987    0.0174971
+     78.4687    0.0147563          78.928    0.0176631
+     80.4304    0.0148479          80.905    0.0178055
+     82.4412    0.0149393         82.9317     0.017955
+     84.5022    0.0150304          85.009    0.0181003
+     86.6148    0.0151213         87.1384    0.0182471
+     88.7801    0.0152122         89.3218    0.0184169
+     90.9996    0.0153029         91.5592      0.01856
+     93.2746    0.0153936         93.8532    0.0187231
+     95.6065    0.0154844         96.2038    0.0188609
+     97.9967    0.0155755         98.6147    0.0190416
+     100.447    0.0156669         101.085    0.0191996
+     102.958    0.0157584         103.618    0.0193525
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diff --git a/amr/read_params.f90 b/amr/read_params.f90
index 3d72be41360510f6270269caaa583ec0f97b6f32..dc88c2ac13cbe76beaabbbe223e48a1e9c45b60a 100644
--- a/amr/read_params.f90
+++ b/amr/read_params.f90
@@ -59,19 +59,30 @@ subroutine read_params
   myid=1
 #endif
   !--------------------------------------------------
-  ! Advertise RAMSES
+  ! Advertise GRAMSES and RAMSES
   !--------------------------------------------------
   if(myid==1)then
-  write(*,*)'_/_/_/       _/_/     _/    _/    _/_/_/   _/_/_/_/    _/_/_/  '
-  write(*,*)'_/    _/    _/  _/    _/_/_/_/   _/    _/  _/         _/    _/ '
-  write(*,*)'_/    _/   _/    _/   _/ _/ _/   _/        _/         _/       '
-  write(*,*)'_/_/_/     _/_/_/_/   _/    _/     _/_/    _/_/_/       _/_/   '
-  write(*,*)'_/    _/   _/    _/   _/    _/         _/  _/               _/ '
-  write(*,*)'_/    _/   _/    _/   _/    _/   _/    _/  _/         _/    _/ '
-  write(*,*)'_/    _/   _/    _/   _/    _/    _/_/_/   _/_/_/_/    _/_/_/  '
-  write(*,*)'                        Version 3.0                            '
-  write(*,*)'       written by Romain Teyssier (University of Zurich)       '
-  write(*,*)'               (c) CEA 1999-2007, UZH 2008-2014                '
+  write(*,*)'  _/_/_/_/  _/_/_/       _/_/     _/    _/    _/_/_/   _/_/_/_/    _/_/_/  '
+  write(*,*)'_ /         _/    _/    _/  _/    _/_/_/_/   _/    _/  _/         _/    _/ '
+  write(*,*)'_/          _/    _/   _/    _/   _/ _/ _/   _/        _/         _/       '
+  write(*,*)'_/  _/_/_/  _/_/_/     _/_/_/_/   _/    _/     _/_/    _/_/_/       _/_/   '
+  write(*,*)'_/      _/  _/    _/   _/    _/   _/    _/         _/  _/               _/ '
+  write(*,*)'_/      _/  _/    _/   _/    _/   _/    _/   _/    _/  _/         _/    _/ '
+  write(*,*)'  _/_/_/    _/    _/   _/    _/   _/    _/    _/_/_/   _/_/_/_/    _/_/_/  '
+  write(*,*)'       This is GRAMSES, a modified version of the RAMSES code V3.0         '
+  write(*,*)' '
+  write(*,*)'       RAMSES was written by Romain Teyssier (University of Zurich)        '
+  write(*,*)'                      (c) CEA 1999-2007, UZH 2008-2014                     '
+!  write(*,*)'_/_/_/       _/_/     _/    _/    _/_/_/   _/_/_/_/    _/_/_/  '
+!  write(*,*)'_/    _/    _/  _/    _/_/_/_/   _/    _/  _/         _/    _/ '
+!  write(*,*)'_/    _/   _/    _/   _/ _/ _/   _/        _/         _/       '
+!  write(*,*)'_/_/_/     _/_/_/_/   _/    _/     _/_/    _/_/_/       _/_/   '
+!  write(*,*)'_/    _/   _/    _/   _/    _/         _/  _/               _/ '
+!  write(*,*)'_/    _/   _/    _/   _/    _/   _/    _/  _/         _/    _/ '
+!  write(*,*)'_/    _/   _/    _/   _/    _/    _/_/_/   _/_/_/_/    _/_/_/  '
+!  write(*,*)'                        Version 3.0                            '
+!  write(*,*)'       written by Romain Teyssier (University of Zurich)       '
+!  write(*,*)'               (c) CEA 1999-2007, UZH 2008-2014                '
   write(*,*)' '
   write(*,'(" Working with nproc = ",I4," for ndim = ",I1)')ncpu,ndim
   ! Check nvar is not too small
diff --git a/namelist/gr_test.nml b/gr_sim_B32_PM128.nml
similarity index 67%
rename from namelist/gr_test.nml
rename to gr_sim_B32_PM128.nml
index ce752eee2e433586547dbb9cbe6ff99cb323f009..d55987f6afbf9f0ec417c1170506365ff14eb77c 100644
--- a/namelist/gr_test.nml
+++ b/gr_sim_B32_PM128.nml
@@ -13,20 +13,20 @@ ncontrol=1
 /
 
 &OUTPUT_PARAMS
-noutput=1
-aout=1.0
+noutput=3
+aout=0.166667, 0.5, 1.0
 /
 
 &INIT_PARAMS
 filetype='gadget'
-initfile(1)='/cosma/home/dp004/dc-barr3/IC_2LPTtic/ics'
+initfile(1)='B32_PM128_z49_Newtonian_ICs/ics'
 /
 
 &AMR_PARAMS
-levelmin=8
-levelmax=8 
-ngridtot=20000000
-nparttot=20000000
+levelmin=7 
+levelmax=7 
+ngridtot=2000000
+nparttot=3000000
 nexpand=1
 /
 
diff --git a/log_B32_PM128.txt b/log_B32_PM128.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6b4b53ad84e5ce8f2fa7c133954377cafb29e3e1
--- /dev/null
+++ b/log_B32_PM128.txt
@@ -0,0 +1,17183 @@
+ _/_/_/       _/_/     _/    _/    _/_/_/   _/_/_/_/    _/_/_/  
+ _/    _/    _/  _/    _/_/_/_/   _/    _/  _/         _/    _/ 
+ _/    _/   _/    _/   _/ _/ _/   _/        _/         _/       
+ _/_/_/     _/_/_/_/   _/    _/     _/_/    _/_/_/       _/_/   
+ _/    _/   _/    _/   _/    _/         _/  _/               _/ 
+ _/    _/   _/    _/   _/    _/   _/    _/  _/         _/    _/ 
+ _/    _/   _/    _/   _/    _/    _/_/_/   _/_/_/_/    _/_/_/  
+                         Version 3.0                            
+        written by Romain Teyssier (University of Zurich)       
+                (c) CEA 1999-2007, UZH 2008-2014                
+  
+ Working with nproc =    2 for ndim = 3
+ Using solver = hydro with nvar =  5
+  
+ compile date = 08/29/20-21:52:01
+ patch dir    = 
+ remote repo  = git@gitlab.cosma.dur.ac.uk:dc-barr3/gramses_public.git
+ local branch = master
+ last commit  = 99e1cb06dd96f06c610ee2d12c0b6714a855cbbe
+  
+ Cosmological parameters:
+ aexp= 2.000E-02 H0= 6.800E+01 km s-1 Mpc-1
+ omega_m=  0.307 omega_l=  0.693 omega_b=  0.000
+ box size= 3.200E+01 h-1 Mpc
+ Initial conditions for level =   7
+ dx= 2.500E-01 h-1 Mpc
+ n1=   0 n2=   0 n3=   0
+ xoff= 0.000E+00 yoff= 0.000E+00 zoff= 0.000E+00 h-1 Mpc
+ Computing Friedman model
+ Building initial AMR grid
+ npart=     1045319 /     1500000
+ npart=     1051833 /     1500000
+ Load balancing AMR grid...
+ Load balancing AMR grid...
+ Time elapsed since startup:   5.7511953870000001     
+ Initial mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Starting time integration
+   ==> Step=    1 GR_pot:    1 Error= 1.634E-01
+   ==> Step=    2 GR_pot:    1 Error= 4.022E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.325E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.807E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.786E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.669E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.494E-04
+   ==> Step=    8 GR_pot:    1 Error= 9.329E-05
+   ==> Level=    7 igr=    1 Error= 9.329E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.869E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.022E-01
+   ==> Step=    3 GR_pot:    2 Error= 3.791E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.416E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.294E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.980E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.408E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.771E-04
+   ==> Step=    9 GR_pot:    2 Error= 1.037E-04
+   ==> Step=   10 GR_pot:    2 Error= 3.878E-05
+   ==> Level=    7 igr=    2 Error= 3.878E-05 Steps=   10
+   ==> Step=    1 GR_pot:    3 Error= 1.428E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.683E-02
+   ==> Step=    3 GR_pot:    3 Error= 7.158E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.404E-03
+   ==> Step=    5 GR_pot:    3 Error= 8.752E-04
+   ==> Step=    6 GR_pot:    3 Error= 3.253E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.215E-04
+   ==> Step=    8 GR_pot:    3 Error= 4.545E-05
+   ==> Level=    7 igr=    3 Error= 4.545E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.065E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.095E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.054E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.513E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.658E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.117E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.918E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.962E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.108E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.146E-05
+   ==> Level=    7 igr=    4 Error= 4.146E-05 Steps=   10
+ Time elapsed since last coarse step:   13.13 s       12.52 mus/pt       12.52 mus/pt (av)
+ Used memory:    1.788 GB
+ Total running time:   18.8799992     s
+   ==> Step=    1 GR_pot:    1 Error= 1.633E-01
+   ==> Step=    2 GR_pot:    1 Error= 4.021E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.324E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.804E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.785E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.666E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.493E-04
+   ==> Step=    8 GR_pot:    1 Error= 9.325E-05
+   ==> Level=    7 igr=    1 Error= 9.325E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.869E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.022E-01
+   ==> Step=    3 GR_pot:    2 Error= 3.791E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.416E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.294E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.980E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.408E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.771E-04
+   ==> Step=    9 GR_pot:    2 Error= 1.037E-04
+   ==> Step=   10 GR_pot:    2 Error= 3.878E-05
+   ==> Level=    7 igr=    2 Error= 3.878E-05 Steps=   10
+   ==> Step=    1 GR_pot:    3 Error= 1.428E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.683E-02
+   ==> Step=    3 GR_pot:    3 Error= 7.155E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.403E-03
+   ==> Step=    5 GR_pot:    3 Error= 8.748E-04
+   ==> Step=    6 GR_pot:    3 Error= 3.252E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.215E-04
+   ==> Step=    8 GR_pot:    3 Error= 4.543E-05
+   ==> Level=    7 igr=    3 Error= 4.543E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.065E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.094E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.053E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.513E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.656E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.116E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.914E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.961E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.108E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.143E-05
+   ==> Level=    7 igr=    4 Error= 4.143E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.109E-01
+   ==> Step=    2 GR_pot:    5 Error= 3.006E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.139E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.478E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.771E-03
+   ==> Step=    6 GR_pot:    5 Error= 7.012E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.778E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.100E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.358E-05
+   ==> Level=    7 igr=    5 Error= 4.358E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.109E-01
+   ==> Step=    2 GR_pot:    6 Error= 3.005E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.139E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.477E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.770E-03
+   ==> Step=    6 GR_pot:    6 Error= 7.011E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.777E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.100E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.358E-05
+   ==> Level=    7 igr=    6 Error= 4.358E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.645E-01
+   ==> Step=    2 GR_pot:    7 Error= 4.085E-02
+   ==> Step=    3 GR_pot:    7 Error= 1.351E-02
+   ==> Step=    4 GR_pot:    7 Error= 4.906E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.823E-03
+   ==> Step=    6 GR_pot:    7 Error= 6.809E-04
+   ==> Step=    7 GR_pot:    7 Error= 2.546E-04
+   ==> Step=    8 GR_pot:    7 Error= 9.525E-05
+   ==> Level=    7 igr=    7 Error= 9.525E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.875E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.025E-01
+   ==> Step=    3 GR_pot:    8 Error= 3.801E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.419E-02
+   ==> Step=    5 GR_pot:    8 Error= 5.307E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.985E-03
+   ==> Step=    7 GR_pot:    8 Error= 7.427E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.778E-04
+   ==> Step=    9 GR_pot:    8 Error= 1.039E-04
+   ==> Step=   10 GR_pot:    8 Error= 3.888E-05
+   ==> Level=    7 igr=    8 Error= 3.888E-05 Steps=   10
+   ==> Step=    1 GR_pot:    9 Error= 1.433E-01
+   ==> Step=    2 GR_pot:    9 Error= 2.711E-02
+   ==> Step=    3 GR_pot:    9 Error= 7.283E-03
+   ==> Step=    4 GR_pot:    9 Error= 2.454E-03
+   ==> Step=    5 GR_pot:    9 Error= 8.943E-04
+   ==> Step=    6 GR_pot:    9 Error= 3.325E-04
+   ==> Step=    7 GR_pot:    9 Error= 1.242E-04
+   ==> Step=    8 GR_pot:    9 Error= 4.645E-05
+   ==> Level=    7 igr=    9 Error= 4.645E-05 Steps=    8
+   ==> Step=    1 GR_pot:   10 Error= 3.067E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.096E-01
+   ==> Step=    3 GR_pot:   10 Error= 4.058E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.515E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.663E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.118E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.924E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.964E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.109E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.148E-05
+   ==> Level=    7 igr=   10 Error= 4.148E-05 Steps=   10
+   0.100000E+01  -0.213958E+02   0.127576E+01  -0.201201E+02  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=      0 mcons= 0.00E+00 econs= 0.00E+00 epot=-1.34E-07 ekin= 4.48E-08
+ Fine step=      0 t=-2.13958E+01 dt= 1.276E+00 a= 2.000E-02 mem=16.1% 70.1%
+ Time elapsed since last coarse step:   45.64 s       43.52 mus/pt       43.52 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   64.5299988     s
+   ==> Step=    1 GR_pot:    1 Error= 1.585E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.721E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.195E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.305E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.597E-03
+   ==> Step=    6 GR_pot:    1 Error= 5.961E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.229E-04
+   ==> Step=    8 GR_pot:    1 Error= 8.337E-05
+   ==> Level=    7 igr=    1 Error= 8.337E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.838E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.009E-01
+   ==> Step=    3 GR_pot:    2 Error= 3.740E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.397E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.222E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.953E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.308E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.734E-04
+   ==> Step=    9 GR_pot:    2 Error= 1.023E-04
+   ==> Step=   10 GR_pot:    2 Error= 3.826E-05
+   ==> Level=    7 igr=    2 Error= 3.826E-05 Steps=   10
+   ==> Step=    1 GR_pot:    3 Error= 1.410E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.545E-02
+   ==> Step=    3 GR_pot:    3 Error= 6.441E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.104E-03
+   ==> Step=    5 GR_pot:    3 Error= 7.599E-04
+   ==> Step=    6 GR_pot:    3 Error= 2.819E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.053E-04
+   ==> Step=    8 GR_pot:    3 Error= 3.936E-05
+   ==> Level=    7 igr=    3 Error= 3.936E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.030E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.079E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.991E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.489E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.568E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.083E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.791E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.915E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.090E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.079E-05
+   ==> Level=    7 igr=    4 Error= 4.079E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.101E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.965E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.124E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.416E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.747E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.917E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.740E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.085E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.299E-05
+   ==> Level=    7 igr=    5 Error= 4.299E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.101E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.965E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.123E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.416E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.747E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.916E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.740E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.085E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.299E-05
+   ==> Level=    7 igr=    6 Error= 4.299E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.866E-01
+   ==> Step=    2 GR_pot:    7 Error= 5.438E-02
+   ==> Step=    3 GR_pot:    7 Error= 1.922E-02
+   ==> Step=    4 GR_pot:    7 Error= 7.103E-03
+   ==> Step=    5 GR_pot:    7 Error= 2.650E-03
+   ==> Step=    6 GR_pot:    7 Error= 9.907E-04
+   ==> Step=    7 GR_pot:    7 Error= 3.706E-04
+   ==> Step=    8 GR_pot:    7 Error= 1.386E-04
+   ==> Step=    9 GR_pot:    7 Error= 5.186E-05
+   ==> Level=    7 igr=    7 Error= 5.186E-05 Steps=    9
+   ==> Step=    1 GR_pot:    8 Error= 2.806E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.983E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.703E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.383E-02
+   ==> Step=    5 GR_pot:    8 Error= 5.172E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.935E-03
+   ==> Step=    7 GR_pot:    8 Error= 7.237E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.707E-04
+   ==> Step=    9 GR_pot:    8 Error= 1.013E-04
+   ==> Step=   10 GR_pot:    8 Error= 3.789E-05
+   ==> Level=    7 igr=    8 Error= 3.789E-05 Steps=   10
+   ==> Step=    1 GR_pot:    9 Error= 1.509E-01
+   ==> Step=    2 GR_pot:    9 Error= 3.391E-02
+   ==> Step=    3 GR_pot:    9 Error= 1.074E-02
+   ==> Step=    4 GR_pot:    9 Error= 3.859E-03
+   ==> Step=    5 GR_pot:    9 Error= 1.430E-03
+   ==> Step=    6 GR_pot:    9 Error= 5.338E-04
+   ==> Step=    7 GR_pot:    9 Error= 1.996E-04
+   ==> Step=    8 GR_pot:    9 Error= 7.466E-05
+   ==> Level=    7 igr=    9 Error= 7.466E-05 Steps=    8
+   ==> Step=    1 GR_pot:   10 Error= 3.138E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.128E-01
+   ==> Step=    3 GR_pot:   10 Error= 4.184E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.562E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.842E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.185E-03
+   ==> Step=    7 GR_pot:   10 Error= 8.174E-04
+   ==> Step=    8 GR_pot:   10 Error= 3.058E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.144E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.279E-05
+   ==> Level=    7 igr=   10 Error= 4.279E-05 Steps=   10
+   0.100000E+01  -0.201201E+02   0.121197E+01  -0.189081E+02  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=      1 mcons= 0.00E+00 econs=-1.15E-01 epot=-1.82E-07 ekin= 6.09E-08
+ Fine step=      1 t=-2.01201E+01 dt= 1.212E+00 a= 2.216E-02 mem=16.1% 70.1%
+ Time elapsed since last coarse step:   38.33 s       36.55 mus/pt       40.04 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   102.879997     s
+   ==> Step=    1 GR_pot:    1 Error= 1.629E-01
+   ==> Step=    2 GR_pot:    1 Error= 4.002E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.318E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.781E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.776E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.633E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.481E-04
+   ==> Step=    8 GR_pot:    1 Error= 9.279E-05
+   ==> Level=    7 igr=    1 Error= 9.279E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.856E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.017E-01
+   ==> Step=    3 GR_pot:    2 Error= 3.771E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.408E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.266E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.970E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.368E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.756E-04
+   ==> Step=    9 GR_pot:    2 Error= 1.031E-04
+   ==> Step=   10 GR_pot:    2 Error= 3.858E-05
+   ==> Level=    7 igr=    2 Error= 3.858E-05 Steps=   10
+   ==> Step=    1 GR_pot:    3 Error= 1.421E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.637E-02
+   ==> Step=    3 GR_pot:    3 Error= 6.937E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.314E-03
+   ==> Step=    5 GR_pot:    3 Error= 8.409E-04
+   ==> Step=    6 GR_pot:    3 Error= 3.125E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.167E-04
+   ==> Step=    8 GR_pot:    3 Error= 4.364E-05
+   ==> Level=    7 igr=    3 Error= 4.364E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.062E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.094E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.049E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.511E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.651E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.114E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.907E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.958E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.107E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.140E-05
+   ==> Level=    7 igr=    4 Error= 4.140E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.962E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.122E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.411E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.745E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.909E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.737E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.084E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.295E-05
+   ==> Level=    7 igr=    5 Error= 4.295E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.961E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.122E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.411E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.744E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.908E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.736E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.084E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.294E-05
+   ==> Level=    7 igr=    6 Error= 4.294E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.598E-01
+   ==> Step=    2 GR_pot:    7 Error= 3.872E-02
+   ==> Step=    3 GR_pot:    7 Error= 1.272E-02
+   ==> Step=    4 GR_pot:    7 Error= 4.613E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.714E-03
+   ==> Step=    6 GR_pot:    7 Error= 6.401E-04
+   ==> Step=    7 GR_pot:    7 Error= 2.394E-04
+   ==> Step=    8 GR_pot:    7 Error= 8.953E-05
+   ==> Level=    7 igr=    7 Error= 8.953E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.764E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.795E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.631E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.356E-02
+   ==> Step=    5 GR_pot:    8 Error= 5.070E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.896E-03
+   ==> Step=    7 GR_pot:    8 Error= 7.094E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.654E-04
+   ==> Step=    9 GR_pot:    8 Error= 9.928E-05
+   ==> Level=    7 igr=    8 Error= 9.928E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.389E-01
+   ==> Step=    2 GR_pot:    9 Error= 2.460E-02
+   ==> Step=    3 GR_pot:    9 Error= 6.150E-03
+   ==> Step=    4 GR_pot:    9 Error= 2.000E-03
+   ==> Step=    5 GR_pot:    9 Error= 7.212E-04
+   ==> Step=    6 GR_pot:    9 Error= 2.675E-04
+   ==> Step=    7 GR_pot:    9 Error= 9.986E-05
+   ==> Level=    7 igr=    9 Error= 9.986E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 3.049E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.088E-01
+   ==> Step=    3 GR_pot:   10 Error= 4.029E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.504E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.623E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.103E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.868E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.943E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.101E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.119E-05
+   ==> Level=    7 igr=   10 Error= 4.119E-05 Steps=   10
+   0.100000E+01  -0.189081E+02   0.115137E+01  -0.177567E+02  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=      2 mcons= 0.00E+00 econs=-1.84E-01 epot=-2.47E-07 ekin= 8.27E-08
+ Fine step=      2 t=-1.89081E+01 dt= 1.151E+00 a= 2.455E-02 mem=16.1% 70.1%
+ Time elapsed since last coarse step:   80.80 s       77.06 mus/pt       52.38 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   183.679993     s
+   ==> Step=    1 GR_pot:    1 Error= 1.626E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.993E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.315E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.770E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.772E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.618E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.475E-04
+   ==> Step=    8 GR_pot:    1 Error= 9.257E-05
+   ==> Level=    7 igr=    1 Error= 9.257E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.850E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.015E-01
+   ==> Step=    3 GR_pot:    2 Error= 3.762E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.405E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.253E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.965E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.351E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.750E-04
+   ==> Step=    9 GR_pot:    2 Error= 1.029E-04
+   ==> Step=   10 GR_pot:    2 Error= 3.848E-05
+   ==> Level=    7 igr=    2 Error= 3.848E-05 Steps=   10
+   ==> Step=    1 GR_pot:    3 Error= 1.419E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.623E-02
+   ==> Step=    3 GR_pot:    3 Error= 6.877E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.290E-03
+   ==> Step=    5 GR_pot:    3 Error= 8.319E-04
+   ==> Step=    6 GR_pot:    3 Error= 3.091E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.154E-04
+   ==> Step=    8 GR_pot:    3 Error= 4.317E-05
+   ==> Level=    7 igr=    3 Error= 4.317E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.061E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.093E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.048E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.511E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.649E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.113E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.904E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.957E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.106E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.138E-05
+   ==> Level=    7 igr=    4 Error= 4.138E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.962E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.122E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.411E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.745E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.909E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.737E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.084E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.295E-05
+   ==> Level=    7 igr=    5 Error= 4.295E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.961E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.122E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.411E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.745E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.909E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.737E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.084E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.295E-05
+   ==> Level=    7 igr=    6 Error= 4.295E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.586E-01
+   ==> Step=    2 GR_pot:    7 Error= 3.826E-02
+   ==> Step=    3 GR_pot:    7 Error= 1.256E-02
+   ==> Step=    4 GR_pot:    7 Error= 4.555E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.692E-03
+   ==> Step=    6 GR_pot:    7 Error= 6.320E-04
+   ==> Step=    7 GR_pot:    7 Error= 2.363E-04
+   ==> Step=    8 GR_pot:    7 Error= 8.840E-05
+   ==> Level=    7 igr=    7 Error= 8.840E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.734E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.669E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.584E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.338E-02
+   ==> Step=    5 GR_pot:    8 Error= 5.004E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.872E-03
+   ==> Step=    7 GR_pot:    8 Error= 7.002E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.619E-04
+   ==> Step=    9 GR_pot:    8 Error= 9.799E-05
+   ==> Level=    7 igr=    8 Error= 9.799E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.381E-01
+   ==> Step=    2 GR_pot:    9 Error= 2.422E-02
+   ==> Step=    3 GR_pot:    9 Error= 6.013E-03
+   ==> Step=    4 GR_pot:    9 Error= 1.948E-03
+   ==> Step=    5 GR_pot:    9 Error= 7.021E-04
+   ==> Step=    6 GR_pot:    9 Error= 2.603E-04
+   ==> Step=    7 GR_pot:    9 Error= 9.718E-05
+   ==> Level=    7 igr=    9 Error= 9.718E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 3.045E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.087E-01
+   ==> Step=    3 GR_pot:   10 Error= 4.023E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.502E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.615E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.100E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.857E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.939E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.099E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.113E-05
+   ==> Level=    7 igr=   10 Error= 4.113E-05 Steps=   10
+   0.100000E+01  -0.177567E+02   0.109379E+01  -0.166629E+02  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=      3 mcons= 0.00E+00 econs=-2.28E-01 epot=-3.36E-07 ekin= 1.12E-07
+ Fine step=      3 t=-1.77567E+01 dt= 1.094E+00 a= 2.721E-02 mem=16.1% 70.1%
+ Time elapsed since last coarse step:   39.35 s       37.53 mus/pt       48.66 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   223.039993     s
+   ==> Step=    1 GR_pot:    1 Error= 1.623E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.981E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.311E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.755E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.766E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.597E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.467E-04
+   ==> Step=    8 GR_pot:    1 Error= 9.228E-05
+   ==> Level=    7 igr=    1 Error= 9.228E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.843E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.012E-01
+   ==> Step=    3 GR_pot:    2 Error= 3.751E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.401E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.237E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.959E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.329E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.742E-04
+   ==> Step=    9 GR_pot:    2 Error= 1.026E-04
+   ==> Step=   10 GR_pot:    2 Error= 3.837E-05
+   ==> Level=    7 igr=    2 Error= 3.837E-05 Steps=   10
+   ==> Step=    1 GR_pot:    3 Error= 1.416E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.608E-02
+   ==> Step=    3 GR_pot:    3 Error= 6.808E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.263E-03
+   ==> Step=    5 GR_pot:    3 Error= 8.215E-04
+   ==> Step=    6 GR_pot:    3 Error= 3.052E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.140E-04
+   ==> Step=    8 GR_pot:    3 Error= 4.262E-05
+   ==> Level=    7 igr=    3 Error= 4.262E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.060E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.093E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.046E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.510E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.647E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.112E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.901E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.956E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.106E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.136E-05
+   ==> Level=    7 igr=    4 Error= 4.136E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.962E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.122E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.412E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.745E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.911E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.737E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.084E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.296E-05
+   ==> Level=    7 igr=    5 Error= 4.296E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.962E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.122E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.412E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.745E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.910E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.737E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.084E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.296E-05
+   ==> Level=    7 igr=    6 Error= 4.296E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.572E-01
+   ==> Step=    2 GR_pot:    7 Error= 3.768E-02
+   ==> Step=    3 GR_pot:    7 Error= 1.235E-02
+   ==> Step=    4 GR_pot:    7 Error= 4.481E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.664E-03
+   ==> Step=    6 GR_pot:    7 Error= 6.217E-04
+   ==> Step=    7 GR_pot:    7 Error= 2.325E-04
+   ==> Step=    8 GR_pot:    7 Error= 8.696E-05
+   ==> Level=    7 igr=    7 Error= 8.696E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.698E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.524E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.529E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.318E-02
+   ==> Step=    5 GR_pot:    8 Error= 4.928E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.843E-03
+   ==> Step=    7 GR_pot:    8 Error= 6.896E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.580E-04
+   ==> Step=    9 GR_pot:    8 Error= 9.650E-05
+   ==> Level=    7 igr=    8 Error= 9.650E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.370E-01
+   ==> Step=    2 GR_pot:    9 Error= 2.376E-02
+   ==> Step=    3 GR_pot:    9 Error= 5.840E-03
+   ==> Step=    4 GR_pot:    9 Error= 1.883E-03
+   ==> Step=    5 GR_pot:    9 Error= 6.775E-04
+   ==> Step=    6 GR_pot:    9 Error= 2.511E-04
+   ==> Step=    7 GR_pot:    9 Error= 9.375E-05
+   ==> Level=    7 igr=    9 Error= 9.375E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 3.041E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.085E-01
+   ==> Step=    3 GR_pot:   10 Error= 4.016E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.499E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.605E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.096E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.842E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.934E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.097E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.106E-05
+   ==> Level=    7 igr=   10 Error= 4.106E-05 Steps=   10
+   0.100000E+01  -0.166629E+02   0.103909E+01  -0.156238E+02  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=      4 mcons= 0.00E+00 econs=-2.57E-01 epot=-4.57E-07 ekin= 1.53E-07
+ Fine step=      4 t=-1.66629E+01 dt= 1.039E+00 a= 3.015E-02 mem=16.1% 70.1%
+ Time elapsed since last coarse step:   36.42 s       34.73 mus/pt       45.88 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   259.449982     s
+   ==> Step=    1 GR_pot:    1 Error= 1.620E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.967E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.306E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.737E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.760E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.572E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.458E-04
+   ==> Step=    8 GR_pot:    1 Error= 9.193E-05
+   ==> Level=    7 igr=    1 Error= 9.193E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.834E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.008E-01
+   ==> Step=    3 GR_pot:    2 Error= 3.737E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.396E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.218E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.952E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.302E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.732E-04
+   ==> Step=    9 GR_pot:    2 Error= 1.022E-04
+   ==> Step=   10 GR_pot:    2 Error= 3.823E-05
+   ==> Level=    7 igr=    2 Error= 3.823E-05 Steps=   10
+   ==> Step=    1 GR_pot:    3 Error= 1.412E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.590E-02
+   ==> Step=    3 GR_pot:    3 Error= 6.730E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.232E-03
+   ==> Step=    5 GR_pot:    3 Error= 8.097E-04
+   ==> Step=    6 GR_pot:    3 Error= 3.007E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.123E-04
+   ==> Step=    8 GR_pot:    3 Error= 4.200E-05
+   ==> Level=    7 igr=    3 Error= 4.200E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.059E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.092E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.044E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.509E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.644E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.111E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.897E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.954E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.105E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.134E-05
+   ==> Level=    7 igr=    4 Error= 4.134E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.963E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.123E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.413E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.745E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.912E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.738E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.085E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.297E-05
+   ==> Level=    7 igr=    5 Error= 4.297E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.962E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.123E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.413E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.745E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.912E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.738E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.085E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.297E-05
+   ==> Level=    7 igr=    6 Error= 4.297E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.556E-01
+   ==> Step=    2 GR_pot:    7 Error= 3.700E-02
+   ==> Step=    3 GR_pot:    7 Error= 1.212E-02
+   ==> Step=    4 GR_pot:    7 Error= 4.394E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.632E-03
+   ==> Step=    6 GR_pot:    7 Error= 6.096E-04
+   ==> Step=    7 GR_pot:    7 Error= 2.280E-04
+   ==> Step=    8 GR_pot:    7 Error= 8.528E-05
+   ==> Level=    7 igr=    7 Error= 8.528E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.658E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.358E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.467E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.295E-02
+   ==> Step=    5 GR_pot:    8 Error= 4.841E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.811E-03
+   ==> Step=    7 GR_pot:    8 Error= 6.774E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.534E-04
+   ==> Step=    9 GR_pot:    8 Error= 9.480E-05
+   ==> Level=    7 igr=    8 Error= 9.480E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.358E-01
+   ==> Step=    2 GR_pot:    9 Error= 2.324E-02
+   ==> Step=    3 GR_pot:    9 Error= 5.643E-03
+   ==> Step=    4 GR_pot:    9 Error= 1.808E-03
+   ==> Step=    5 GR_pot:    9 Error= 6.494E-04
+   ==> Step=    6 GR_pot:    9 Error= 2.406E-04
+   ==> Step=    7 GR_pot:    9 Error= 8.981E-05
+   ==> Level=    7 igr=    9 Error= 8.981E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 3.035E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.082E-01
+   ==> Step=    3 GR_pot:   10 Error= 4.008E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.496E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.593E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.092E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.826E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.928E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.095E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.097E-05
+   ==> Level=    7 igr=   10 Error= 4.097E-05 Steps=   10
+   0.100000E+01  -0.156238E+02   0.987129E+00  -0.146367E+02  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=      5 mcons= 0.00E+00 econs=-2.77E-01 epot=-6.21E-07 ekin= 2.08E-07
+ Fine step=      5 t=-1.56238E+01 dt= 9.871E-01 a= 3.340E-02 mem=16.1% 70.1%
+ Time elapsed since last coarse step:   37.62 s       35.87 mus/pt       44.21 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   297.070007     s
+   ==> Step=    1 GR_pot:    1 Error= 1.615E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.949E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.299E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.714E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.751E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.540E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.446E-04
+   ==> Step=    8 GR_pot:    1 Error= 9.148E-05
+   ==> Level=    7 igr=    1 Error= 9.148E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.823E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.004E-01
+   ==> Step=    3 GR_pot:    2 Error= 3.721E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.389E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.196E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.944E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.271E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.720E-04
+   ==> Step=    9 GR_pot:    2 Error= 1.017E-04
+   ==> Step=   10 GR_pot:    2 Error= 3.806E-05
+   ==> Level=    7 igr=    2 Error= 3.806E-05 Steps=   10
+   ==> Step=    1 GR_pot:    3 Error= 1.408E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.569E-02
+   ==> Step=    3 GR_pot:    3 Error= 6.641E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.197E-03
+   ==> Step=    5 GR_pot:    3 Error= 7.964E-04
+   ==> Step=    6 GR_pot:    3 Error= 2.957E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.104E-04
+   ==> Step=    8 GR_pot:    3 Error= 4.130E-05
+   ==> Level=    7 igr=    3 Error= 4.130E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.057E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.092E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.042E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.509E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.641E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.110E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.893E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.953E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.105E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.132E-05
+   ==> Level=    7 igr=    4 Error= 4.132E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.959E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.121E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.408E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.743E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.905E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.735E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.084E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.293E-05
+   ==> Level=    7 igr=    5 Error= 4.293E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.959E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.121E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.408E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.743E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.904E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.735E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.083E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.292E-05
+   ==> Level=    7 igr=    6 Error= 4.292E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.537E-01
+   ==> Step=    2 GR_pot:    7 Error= 3.622E-02
+   ==> Step=    3 GR_pot:    7 Error= 1.184E-02
+   ==> Step=    4 GR_pot:    7 Error= 4.293E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.595E-03
+   ==> Step=    6 GR_pot:    7 Error= 5.957E-04
+   ==> Step=    7 GR_pot:    7 Error= 2.228E-04
+   ==> Step=    8 GR_pot:    7 Error= 8.332E-05
+   ==> Level=    7 igr=    7 Error= 8.332E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.612E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.166E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.395E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.268E-02
+   ==> Step=    5 GR_pot:    8 Error= 4.741E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.773E-03
+   ==> Step=    7 GR_pot:    8 Error= 6.634E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.482E-04
+   ==> Step=    9 GR_pot:    8 Error= 9.283E-05
+   ==> Level=    7 igr=    8 Error= 9.283E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.345E-01
+   ==> Step=    2 GR_pot:    9 Error= 2.264E-02
+   ==> Step=    3 GR_pot:    9 Error= 5.421E-03
+   ==> Step=    4 GR_pot:    9 Error= 1.725E-03
+   ==> Step=    5 GR_pot:    9 Error= 6.180E-04
+   ==> Step=    6 GR_pot:    9 Error= 2.289E-04
+   ==> Step=    7 GR_pot:    9 Error= 8.541E-05
+   ==> Level=    7 igr=    9 Error= 8.541E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 3.029E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.080E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.999E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.492E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.580E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.087E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.808E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.921E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.093E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.088E-05
+   ==> Level=    7 igr=   10 Error= 4.088E-05 Steps=   10
+   0.100000E+01  -0.146367E+02   0.937757E+00  -0.136990E+02  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=      6 mcons= 0.00E+00 econs=-2.92E-01 epot=-8.44E-07 ekin= 2.83E-07
+ Fine step=      6 t=-1.46367E+01 dt= 9.378E-01 a= 3.701E-02 mem=16.1% 70.1%
+ Time elapsed since last coarse step:   44.29 s       42.24 mus/pt       43.93 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   341.359985     s
+   ==> Step=    1 GR_pot:    1 Error= 1.610E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.927E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.292E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.686E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.741E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.501E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.431E-04
+   ==> Step=    8 GR_pot:    1 Error= 9.094E-05
+   ==> Level=    7 igr=    1 Error= 9.094E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.811E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.985E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.702E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.382E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.169E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.934E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.233E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.706E-04
+   ==> Step=    9 GR_pot:    2 Error= 1.012E-04
+   ==> Step=   10 GR_pot:    2 Error= 3.787E-05
+   ==> Level=    7 igr=    2 Error= 3.787E-05 Steps=   10
+   ==> Step=    1 GR_pot:    3 Error= 1.404E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.545E-02
+   ==> Step=    3 GR_pot:    3 Error= 6.540E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.157E-03
+   ==> Step=    5 GR_pot:    3 Error= 7.814E-04
+   ==> Step=    6 GR_pot:    3 Error= 2.901E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.083E-04
+   ==> Step=    8 GR_pot:    3 Error= 4.051E-05
+   ==> Level=    7 igr=    3 Error= 4.051E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.056E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.091E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.039E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.508E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.637E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.109E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.888E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.951E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.104E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.129E-05
+   ==> Level=    7 igr=    4 Error= 4.129E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.098E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.952E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.118E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.397E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.739E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.887E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.728E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.081E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.282E-05
+   ==> Level=    7 igr=    5 Error= 4.282E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.098E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.952E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.118E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.396E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.739E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.886E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.728E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.081E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.281E-05
+   ==> Level=    7 igr=    6 Error= 4.281E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.516E-01
+   ==> Step=    2 GR_pot:    7 Error= 3.532E-02
+   ==> Step=    3 GR_pot:    7 Error= 1.153E-02
+   ==> Step=    4 GR_pot:    7 Error= 4.178E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.552E-03
+   ==> Step=    6 GR_pot:    7 Error= 5.796E-04
+   ==> Step=    7 GR_pot:    7 Error= 2.168E-04
+   ==> Step=    8 GR_pot:    7 Error= 8.108E-05
+   ==> Level=    7 igr=    7 Error= 8.108E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.558E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.943E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.312E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.237E-02
+   ==> Step=    5 GR_pot:    8 Error= 4.624E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.730E-03
+   ==> Step=    7 GR_pot:    8 Error= 6.471E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.421E-04
+   ==> Step=    9 GR_pot:    8 Error= 9.055E-05
+   ==> Level=    7 igr=    8 Error= 9.055E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.330E-01
+   ==> Step=    2 GR_pot:    9 Error= 2.198E-02
+   ==> Step=    3 GR_pot:    9 Error= 5.178E-03
+   ==> Step=    4 GR_pot:    9 Error= 1.633E-03
+   ==> Step=    5 GR_pot:    9 Error= 5.836E-04
+   ==> Step=    6 GR_pot:    9 Error= 2.160E-04
+   ==> Step=    7 GR_pot:    9 Error= 8.059E-05
+   ==> Level=    7 igr=    9 Error= 8.059E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 3.022E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.077E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.988E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.488E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.565E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.082E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.787E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.913E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.090E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.077E-05
+   ==> Level=    7 igr=   10 Error= 4.077E-05 Steps=   10
+   0.100000E+01  -0.136990E+02   0.890850E+00  -0.128081E+02  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=      7 mcons= 0.00E+00 econs=-3.02E-01 epot=-1.15E-06 ekin= 3.85E-07
+ Fine step=      7 t=-1.36990E+01 dt= 8.909E-01 a= 4.101E-02 mem=16.1% 70.1%
+ Time elapsed since last coarse step:   42.71 s       40.73 mus/pt       43.53 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   384.069977     s
+   ==> Step=    1 GR_pot:    1 Error= 1.604E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.900E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.282E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.651E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.728E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.454E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.413E-04
+   ==> Step=    8 GR_pot:    1 Error= 9.027E-05
+   ==> Level=    7 igr=    1 Error= 9.027E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.795E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.922E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.678E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.374E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.136E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.921E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.187E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.689E-04
+   ==> Step=    9 GR_pot:    2 Error= 1.006E-04
+   ==> Step=   10 GR_pot:    2 Error= 3.763E-05
+   ==> Level=    7 igr=    2 Error= 3.763E-05 Steps=   10
+   ==> Step=    1 GR_pot:    3 Error= 1.398E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.518E-02
+   ==> Step=    3 GR_pot:    3 Error= 6.427E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.113E-03
+   ==> Step=    5 GR_pot:    3 Error= 7.647E-04
+   ==> Step=    6 GR_pot:    3 Error= 2.838E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.060E-04
+   ==> Step=    8 GR_pot:    3 Error= 3.963E-05
+   ==> Level=    7 igr=    3 Error= 3.963E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.054E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.090E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.036E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.507E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.633E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.107E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.882E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.949E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.103E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.126E-05
+   ==> Level=    7 igr=    4 Error= 4.126E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.096E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.939E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.114E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.377E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.731E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.857E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.716E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.076E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.263E-05
+   ==> Level=    7 igr=    5 Error= 4.263E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.096E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.939E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.113E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.377E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.731E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.856E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.716E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.076E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.263E-05
+   ==> Level=    7 igr=    6 Error= 4.263E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.492E-01
+   ==> Step=    2 GR_pot:    7 Error= 3.430E-02
+   ==> Step=    3 GR_pot:    7 Error= 1.117E-02
+   ==> Step=    4 GR_pot:    7 Error= 4.048E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.504E-03
+   ==> Step=    6 GR_pot:    7 Error= 5.616E-04
+   ==> Step=    7 GR_pot:    7 Error= 2.100E-04
+   ==> Step=    8 GR_pot:    7 Error= 7.856E-05
+   ==> Level=    7 igr=    7 Error= 7.856E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.497E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.685E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.215E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.201E-02
+   ==> Step=    5 GR_pot:    8 Error= 4.489E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.679E-03
+   ==> Step=    7 GR_pot:    8 Error= 6.282E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.350E-04
+   ==> Step=    9 GR_pot:    8 Error= 8.791E-05
+   ==> Level=    7 igr=    8 Error= 8.791E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.314E-01
+   ==> Step=    2 GR_pot:    9 Error= 2.126E-02
+   ==> Step=    3 GR_pot:    9 Error= 4.913E-03
+   ==> Step=    4 GR_pot:    9 Error= 1.534E-03
+   ==> Step=    5 GR_pot:    9 Error= 5.465E-04
+   ==> Step=    6 GR_pot:    9 Error= 2.021E-04
+   ==> Step=    7 GR_pot:    9 Error= 7.539E-05
+   ==> Level=    7 igr=    9 Error= 7.539E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 3.013E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.074E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.975E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.484E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.547E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.075E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.762E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.904E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.086E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.063E-05
+   ==> Level=    7 igr=   10 Error= 4.063E-05 Steps=   10
+   0.100000E+01  -0.128081E+02   0.846284E+00  -0.119618E+02  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=      8 mcons= 0.00E+00 econs=-3.09E-01 epot=-1.56E-06 ekin= 5.24E-07
+ Fine step=      8 t=-1.28081E+01 dt= 8.463E-01 a= 4.544E-02 mem=16.1% 70.1%
+ Time elapsed since last coarse step:   40.42 s       38.55 mus/pt       42.98 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   424.500000     s
+   ==> Step=    1 GR_pot:    1 Error= 1.596E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.868E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.271E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.610E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.713E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.397E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.392E-04
+   ==> Step=    8 GR_pot:    1 Error= 8.948E-05
+   ==> Level=    7 igr=    1 Error= 8.948E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.777E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.845E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.650E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.363E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.096E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.906E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.131E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.668E-04
+   ==> Step=    9 GR_pot:    2 Error= 9.979E-05
+   ==> Level=    7 igr=    2 Error= 9.979E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.392E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.486E-02
+   ==> Step=    3 GR_pot:    3 Error= 6.299E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.063E-03
+   ==> Step=    5 GR_pot:    3 Error= 7.459E-04
+   ==> Step=    6 GR_pot:    3 Error= 2.768E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.034E-04
+   ==> Step=    8 GR_pot:    3 Error= 3.865E-05
+   ==> Level=    7 igr=    3 Error= 3.865E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.051E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.089E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.033E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.505E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.628E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.105E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.875E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.946E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.102E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.123E-05
+   ==> Level=    7 igr=    4 Error= 4.123E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.093E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.923E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.107E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.353E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.722E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.819E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.701E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.070E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.239E-05
+   ==> Level=    7 igr=    5 Error= 4.239E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.093E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.923E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.107E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.353E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.722E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.818E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.701E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.070E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.239E-05
+   ==> Level=    7 igr=    6 Error= 4.239E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.466E-01
+   ==> Step=    2 GR_pot:    7 Error= 3.317E-02
+   ==> Step=    3 GR_pot:    7 Error= 1.077E-02
+   ==> Step=    4 GR_pot:    7 Error= 3.902E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.450E-03
+   ==> Step=    6 GR_pot:    7 Error= 5.414E-04
+   ==> Step=    7 GR_pot:    7 Error= 2.025E-04
+   ==> Step=    8 GR_pot:    7 Error= 7.573E-05
+   ==> Level=    7 igr=    7 Error= 7.573E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.426E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.388E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.104E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.159E-02
+   ==> Step=    5 GR_pot:    8 Error= 4.333E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.621E-03
+   ==> Step=    7 GR_pot:    8 Error= 6.064E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.268E-04
+   ==> Step=    9 GR_pot:    8 Error= 8.486E-05
+   ==> Level=    7 igr=    8 Error= 8.486E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.297E-01
+   ==> Step=    2 GR_pot:    9 Error= 2.046E-02
+   ==> Step=    3 GR_pot:    9 Error= 4.629E-03
+   ==> Step=    4 GR_pot:    9 Error= 1.428E-03
+   ==> Step=    5 GR_pot:    9 Error= 5.068E-04
+   ==> Step=    6 GR_pot:    9 Error= 1.872E-04
+   ==> Step=    7 GR_pot:    9 Error= 6.983E-05
+   ==> Level=    7 igr=    9 Error= 6.983E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 3.002E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.069E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.958E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.477E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.524E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.066E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.729E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.891E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.082E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.046E-05
+   ==> Level=    7 igr=   10 Error= 4.046E-05 Steps=   10
+   0.100000E+01  -0.119618E+02   0.803939E+00  -0.111579E+02  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=      9 mcons= 0.00E+00 econs=-3.14E-01 epot=-2.12E-06 ekin= 7.13E-07
+ Fine step=      9 t=-1.19618E+01 dt= 8.039E-01 a= 5.035E-02 mem=16.1% 70.1%
+ Time elapsed since last coarse step:   38.23 s       36.46 mus/pt       42.32 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   462.729980     s
+   ==> Step=    1 GR_pot:    1 Error= 1.586E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.830E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.257E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.561E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.694E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.328E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.367E-04
+   ==> Step=    8 GR_pot:    1 Error= 8.852E-05
+   ==> Level=    7 igr=    1 Error= 8.852E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.753E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.750E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.614E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.349E-02
+   ==> Step=    5 GR_pot:    2 Error= 5.046E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.888E-03
+   ==> Step=    7 GR_pot:    2 Error= 7.061E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.642E-04
+   ==> Step=    9 GR_pot:    2 Error= 9.882E-05
+   ==> Level=    7 igr=    2 Error= 9.882E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.384E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.450E-02
+   ==> Step=    3 GR_pot:    3 Error= 6.154E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.007E-03
+   ==> Step=    5 GR_pot:    3 Error= 7.248E-04
+   ==> Step=    6 GR_pot:    3 Error= 2.689E-04
+   ==> Step=    7 GR_pot:    3 Error= 1.004E-04
+   ==> Step=    8 GR_pot:    3 Error= 3.754E-05
+   ==> Level=    7 igr=    3 Error= 3.754E-05 Steps=    8
+   ==> Step=    1 GR_pot:    4 Error= 3.048E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.088E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.028E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.504E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.622E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.103E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.866E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.943E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.101E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.118E-05
+   ==> Level=    7 igr=    4 Error= 4.118E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.089E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.901E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.099E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.320E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.709E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.767E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.681E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.062E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.208E-05
+   ==> Level=    7 igr=    5 Error= 4.208E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.089E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.901E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.099E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.320E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.709E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.767E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.681E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.062E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.207E-05
+   ==> Level=    7 igr=    6 Error= 4.207E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.438E-01
+   ==> Step=    2 GR_pot:    7 Error= 3.190E-02
+   ==> Step=    3 GR_pot:    7 Error= 1.032E-02
+   ==> Step=    4 GR_pot:    7 Error= 3.739E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.389E-03
+   ==> Step=    6 GR_pot:    7 Error= 5.187E-04
+   ==> Step=    7 GR_pot:    7 Error= 1.940E-04
+   ==> Step=    8 GR_pot:    7 Error= 7.256E-05
+   ==> Level=    7 igr=    7 Error= 7.256E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.345E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.047E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.976E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.111E-02
+   ==> Step=    5 GR_pot:    8 Error= 4.155E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.554E-03
+   ==> Step=    7 GR_pot:    8 Error= 5.814E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.175E-04
+   ==> Step=    9 GR_pot:    8 Error= 8.136E-05
+   ==> Level=    7 igr=    8 Error= 8.136E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.278E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.961E-02
+   ==> Step=    3 GR_pot:    9 Error= 4.325E-03
+   ==> Step=    4 GR_pot:    9 Error= 1.315E-03
+   ==> Step=    5 GR_pot:    9 Error= 4.645E-04
+   ==> Step=    6 GR_pot:    9 Error= 1.714E-04
+   ==> Step=    7 GR_pot:    9 Error= 6.391E-05
+   ==> Level=    7 igr=    9 Error= 6.391E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 2.990E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.064E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.939E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.470E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.498E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.056E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.692E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.878E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.076E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.027E-05
+   ==> Level=    7 igr=   10 Error= 4.027E-05 Steps=   10
+   0.100000E+01  -0.111579E+02   0.763701E+00  -0.103942E+02  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     10 mcons= 0.00E+00 econs=-3.18E-01 epot=-2.89E-06 ekin= 9.70E-07
+ Fine step=     10 t=-1.11579E+01 dt= 7.637E-01 a= 5.579E-02 mem=16.1% 70.1%
+ Time elapsed since last coarse step:   37.41 s       35.68 mus/pt       41.72 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   500.139984     s
+   ==> Step=    1 GR_pot:    1 Error= 1.575E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.783E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.241E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.503E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.673E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.247E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.336E-04
+   ==> Step=    8 GR_pot:    1 Error= 8.738E-05
+   ==> Level=    7 igr=    1 Error= 8.738E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.725E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.633E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.570E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.333E-02
+   ==> Step=    5 GR_pot:    2 Error= 4.985E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.865E-03
+   ==> Step=    7 GR_pot:    2 Error= 6.976E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.610E-04
+   ==> Step=    9 GR_pot:    2 Error= 9.762E-05
+   ==> Level=    7 igr=    2 Error= 9.762E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.376E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.408E-02
+   ==> Step=    3 GR_pot:    3 Error= 5.990E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.944E-03
+   ==> Step=    5 GR_pot:    3 Error= 7.009E-04
+   ==> Step=    6 GR_pot:    3 Error= 2.599E-04
+   ==> Step=    7 GR_pot:    3 Error= 9.704E-05
+   ==> Level=    7 igr=    3 Error= 9.704E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 3.045E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.087E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.023E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.502E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.615E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.100E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.856E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.939E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.099E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.113E-05
+   ==> Level=    7 igr=    4 Error= 4.113E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.083E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.872E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.088E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.276E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.691E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.698E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.654E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.051E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.165E-05
+   ==> Level=    7 igr=    5 Error= 4.165E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.083E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.872E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.088E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.276E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.691E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.698E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.653E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.051E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.165E-05
+   ==> Level=    7 igr=    6 Error= 4.165E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.408E-01
+   ==> Step=    2 GR_pot:    7 Error= 3.048E-02
+   ==> Step=    3 GR_pot:    7 Error= 9.820E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.556E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.321E-03
+   ==> Step=    6 GR_pot:    7 Error= 4.933E-04
+   ==> Step=    7 GR_pot:    7 Error= 1.845E-04
+   ==> Step=    8 GR_pot:    7 Error= 6.900E-05
+   ==> Level=    7 igr=    7 Error= 6.900E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.253E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.651E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.828E-02
+   ==> Step=    4 GR_pot:    8 Error= 1.056E-02
+   ==> Step=    5 GR_pot:    8 Error= 3.948E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.477E-03
+   ==> Step=    7 GR_pot:    8 Error= 5.524E-04
+   ==> Step=    8 GR_pot:    8 Error= 2.066E-04
+   ==> Step=    9 GR_pot:    8 Error= 7.731E-05
+   ==> Level=    7 igr=    8 Error= 7.731E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.258E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.868E-02
+   ==> Step=    3 GR_pot:    9 Error= 3.993E-03
+   ==> Step=    4 GR_pot:    9 Error= 1.191E-03
+   ==> Step=    5 GR_pot:    9 Error= 4.182E-04
+   ==> Step=    6 GR_pot:    9 Error= 1.541E-04
+   ==> Step=    7 GR_pot:    9 Error= 5.744E-05
+   ==> Level=    7 igr=    9 Error= 5.744E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 2.974E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.058E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.916E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.462E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.464E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.044E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.646E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.860E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.070E-04
+   ==> Step=   10 GR_pot:   10 Error= 4.003E-05
+   ==> Level=    7 igr=   10 Error= 4.003E-05 Steps=   10
+   0.100000E+01  -0.103942E+02   0.725463E+00  -0.966873E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     11 mcons= 0.00E+00 econs=-3.21E-01 epot=-3.93E-06 ekin= 1.32E-06
+ Fine step=     11 t=-1.03942E+01 dt= 7.255E-01 a= 6.182E-02 mem=16.1% 70.2%
+ Time elapsed since last coarse step:   37.28 s       35.56 mus/pt       41.21 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   537.429993     s
+   ==> Step=    1 GR_pot:    1 Error= 1.562E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.728E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.222E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.432E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.646E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.149E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.300E-04
+   ==> Step=    8 GR_pot:    1 Error= 8.602E-05
+   ==> Level=    7 igr=    1 Error= 8.602E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.690E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.490E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.517E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.313E-02
+   ==> Step=    5 GR_pot:    2 Error= 4.910E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.837E-03
+   ==> Step=    7 GR_pot:    2 Error= 6.871E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.570E-04
+   ==> Step=    9 GR_pot:    2 Error= 9.615E-05
+   ==> Level=    7 igr=    2 Error= 9.615E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.365E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.359E-02
+   ==> Step=    3 GR_pot:    3 Error= 5.804E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.873E-03
+   ==> Step=    5 GR_pot:    3 Error= 6.743E-04
+   ==> Step=    6 GR_pot:    3 Error= 2.499E-04
+   ==> Step=    7 GR_pot:    3 Error= 9.331E-05
+   ==> Level=    7 igr=    3 Error= 9.331E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 3.041E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.085E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.017E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.499E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.606E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.097E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.844E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.934E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.098E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.107E-05
+   ==> Level=    7 igr=    4 Error= 4.107E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.076E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.837E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.074E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.222E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.670E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.613E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.620E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.038E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.112E-05
+   ==> Level=    7 igr=    5 Error= 4.112E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.076E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.837E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.074E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.221E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.670E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.613E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.620E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.038E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.112E-05
+   ==> Level=    7 igr=    6 Error= 4.112E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.375E-01
+   ==> Step=    2 GR_pot:    7 Error= 2.892E-02
+   ==> Step=    3 GR_pot:    7 Error= 9.270E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.355E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.246E-03
+   ==> Step=    6 GR_pot:    7 Error= 4.654E-04
+   ==> Step=    7 GR_pot:    7 Error= 1.741E-04
+   ==> Step=    8 GR_pot:    7 Error= 6.511E-05
+   ==> Level=    7 igr=    7 Error= 6.511E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.151E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.211E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.663E-02
+   ==> Step=    4 GR_pot:    8 Error= 9.940E-03
+   ==> Step=    5 GR_pot:    8 Error= 3.717E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.390E-03
+   ==> Step=    7 GR_pot:    8 Error= 5.201E-04
+   ==> Step=    8 GR_pot:    8 Error= 1.946E-04
+   ==> Step=    9 GR_pot:    8 Error= 7.279E-05
+   ==> Level=    7 igr=    8 Error= 7.279E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.237E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.772E-02
+   ==> Step=    3 GR_pot:    9 Error= 3.665E-03
+   ==> Step=    4 GR_pot:    9 Error= 1.071E-03
+   ==> Step=    5 GR_pot:    9 Error= 3.735E-04
+   ==> Step=    6 GR_pot:    9 Error= 1.374E-04
+   ==> Step=    7 GR_pot:    9 Error= 5.119E-05
+   ==> Level=    7 igr=    9 Error= 5.119E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 2.955E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.050E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.887E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.451E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.425E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.029E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.591E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.840E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.062E-04
+   ==> Step=   10 GR_pot:   10 Error= 3.974E-05
+   ==> Level=    7 igr=   10 Error= 3.974E-05 Steps=   10
+   0.100000E+01  -0.966873E+01   0.689122E+00  -0.897960E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     12 mcons= 0.00E+00 econs=-3.23E-01 epot=-5.36E-06 ekin= 1.80E-06
+ Fine step=     12 t=-9.66873E+00 dt= 6.891E-01 a= 6.850E-02 mem=16.1% 70.2%
+ Time elapsed since last coarse step:   37.27 s       35.54 mus/pt       40.77 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   574.700012     s
+   ==> Step=    1 GR_pot:    1 Error= 1.546E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.661E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.199E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.347E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.615E-03
+   ==> Step=    6 GR_pot:    1 Error= 6.031E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.255E-04
+   ==> Step=    8 GR_pot:    1 Error= 8.436E-05
+   ==> Level=    7 igr=    1 Error= 8.436E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.648E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.313E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.451E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.288E-02
+   ==> Step=    5 GR_pot:    2 Error= 4.818E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.802E-03
+   ==> Step=    7 GR_pot:    2 Error= 6.742E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.522E-04
+   ==> Step=    9 GR_pot:    2 Error= 9.435E-05
+   ==> Level=    7 igr=    2 Error= 9.435E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.353E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.303E-02
+   ==> Step=    3 GR_pot:    3 Error= 5.592E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.793E-03
+   ==> Step=    5 GR_pot:    3 Error= 6.440E-04
+   ==> Step=    6 GR_pot:    3 Error= 2.386E-04
+   ==> Step=    7 GR_pot:    3 Error= 8.907E-05
+   ==> Level=    7 igr=    3 Error= 8.907E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 3.036E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.083E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.010E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.497E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.596E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.093E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.830E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.929E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.096E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.099E-05
+   ==> Level=    7 igr=    4 Error= 4.099E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.067E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.792E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.057E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.154E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.643E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.507E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.578E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.021E-04
+   ==> Step=    9 GR_pot:    5 Error= 4.046E-05
+   ==> Level=    7 igr=    5 Error= 4.046E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.067E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.792E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.057E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.154E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.643E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.507E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.578E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.021E-04
+   ==> Step=    9 GR_pot:    6 Error= 4.046E-05
+   ==> Level=    7 igr=    6 Error= 4.046E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.342E-01
+   ==> Step=    2 GR_pot:    7 Error= 2.725E-02
+   ==> Step=    3 GR_pot:    7 Error= 8.675E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.138E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.166E-03
+   ==> Step=    6 GR_pot:    7 Error= 4.353E-04
+   ==> Step=    7 GR_pot:    7 Error= 1.628E-04
+   ==> Step=    8 GR_pot:    7 Error= 6.089E-05
+   ==> Level=    7 igr=    7 Error= 6.089E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 2.041E-01
+   ==> Step=    2 GR_pot:    8 Error= 6.724E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.480E-02
+   ==> Step=    4 GR_pot:    8 Error= 9.257E-03
+   ==> Step=    5 GR_pot:    8 Error= 3.461E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.295E-03
+   ==> Step=    7 GR_pot:    8 Error= 4.844E-04
+   ==> Step=    8 GR_pot:    8 Error= 1.812E-04
+   ==> Step=    9 GR_pot:    8 Error= 6.778E-05
+   ==> Level=    7 igr=    8 Error= 6.778E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.217E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.671E-02
+   ==> Step=    3 GR_pot:    9 Error= 3.322E-03
+   ==> Step=    4 GR_pot:    9 Error= 9.463E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.270E-04
+   ==> Step=    6 GR_pot:    9 Error= 1.200E-04
+   ==> Step=    7 GR_pot:    9 Error= 4.469E-05
+   ==> Level=    7 igr=    9 Error= 4.469E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 2.933E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.041E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.853E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.438E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.377E-03
+   ==> Step=    6 GR_pot:   10 Error= 2.011E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.523E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.814E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.053E-04
+   ==> Step=   10 GR_pot:   10 Error= 3.939E-05
+   ==> Level=    7 igr=   10 Error= 3.939E-05 Steps=   10
+   0.100000E+01  -0.897960E+01   0.654579E+00  -0.832502E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     13 mcons= 0.00E+00 econs=-3.24E-01 epot=-7.30E-06 ekin= 2.45E-06
+ Fine step=     13 t=-8.97960E+00 dt= 6.546E-01 a= 7.590E-02 mem=16.1% 70.2%
+ Time elapsed since last coarse step:   36.83 s       35.12 mus/pt       40.37 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   611.519958     s
+   ==> Step=    1 GR_pot:    1 Error= 1.527E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.579E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.170E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.243E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.576E-03
+   ==> Step=    6 GR_pot:    1 Error= 5.887E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.201E-04
+   ==> Step=    8 GR_pot:    1 Error= 8.234E-05
+   ==> Level=    7 igr=    1 Error= 8.234E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.595E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.097E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.370E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.258E-02
+   ==> Step=    5 GR_pot:    2 Error= 4.705E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.760E-03
+   ==> Step=    7 GR_pot:    2 Error= 6.584E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.463E-04
+   ==> Step=    9 GR_pot:    2 Error= 9.214E-05
+   ==> Level=    7 igr=    2 Error= 9.214E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.339E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.239E-02
+   ==> Step=    3 GR_pot:    3 Error= 5.354E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.703E-03
+   ==> Step=    5 GR_pot:    3 Error= 6.103E-04
+   ==> Step=    6 GR_pot:    3 Error= 2.260E-04
+   ==> Step=    7 GR_pot:    3 Error= 8.434E-05
+   ==> Level=    7 igr=    3 Error= 8.434E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 3.030E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.081E-01
+   ==> Step=    3 GR_pot:    4 Error= 4.001E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.493E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.583E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.088E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.813E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.923E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.093E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.090E-05
+   ==> Level=    7 igr=    4 Error= 4.090E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.058E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.739E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.036E-02
+   ==> Step=    4 GR_pot:    5 Error= 4.074E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.611E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.382E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.528E-04
+   ==> Step=    8 GR_pot:    5 Error= 1.002E-04
+   ==> Step=    9 GR_pot:    5 Error= 3.968E-05
+   ==> Level=    7 igr=    5 Error= 3.968E-05 Steps=    9
+   ==> Step=    1 GR_pot:    6 Error= 1.058E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.739E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.036E-02
+   ==> Step=    4 GR_pot:    6 Error= 4.074E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.611E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.382E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.528E-04
+   ==> Step=    8 GR_pot:    6 Error= 1.002E-04
+   ==> Step=    9 GR_pot:    6 Error= 3.968E-05
+   ==> Level=    7 igr=    6 Error= 3.968E-05 Steps=    9
+   ==> Step=    1 GR_pot:    7 Error= 1.308E-01
+   ==> Step=    2 GR_pot:    7 Error= 2.545E-02
+   ==> Step=    3 GR_pot:    7 Error= 8.028E-03
+   ==> Step=    4 GR_pot:    7 Error= 2.902E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.078E-03
+   ==> Step=    6 GR_pot:    7 Error= 4.026E-04
+   ==> Step=    7 GR_pot:    7 Error= 1.505E-04
+   ==> Step=    8 GR_pot:    7 Error= 5.631E-05
+   ==> Level=    7 igr=    7 Error= 5.631E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 1.925E-01
+   ==> Step=    2 GR_pot:    8 Error= 6.202E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.284E-02
+   ==> Step=    4 GR_pot:    8 Error= 8.524E-03
+   ==> Step=    5 GR_pot:    8 Error= 3.187E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.192E-03
+   ==> Step=    7 GR_pot:    8 Error= 4.460E-04
+   ==> Step=    8 GR_pot:    8 Error= 1.668E-04
+   ==> Step=    9 GR_pot:    8 Error= 6.242E-05
+   ==> Level=    7 igr=    8 Error= 6.242E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.197E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.570E-02
+   ==> Step=    3 GR_pot:    9 Error= 2.986E-03
+   ==> Step=    4 GR_pot:    9 Error= 8.251E-04
+   ==> Step=    5 GR_pot:    9 Error= 2.820E-04
+   ==> Step=    6 GR_pot:    9 Error= 1.032E-04
+   ==> Step=    7 GR_pot:    9 Error= 3.840E-05
+   ==> Level=    7 igr=    9 Error= 3.840E-05 Steps=    7
+   ==> Step=    1 GR_pot:   10 Error= 2.905E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.030E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.811E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.422E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.318E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.989E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.441E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.784E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.041E-04
+   ==> Step=   10 GR_pot:   10 Error= 3.896E-05
+   ==> Level=    7 igr=   10 Error= 3.896E-05 Steps=   10
+   0.100000E+01  -0.832502E+01   0.605101E+00  -0.771992E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     14 mcons= 0.00E+00 econs=-3.25E-01 epot=-9.95E-06 ekin= 3.35E-06
+ Fine step=     14 t=-8.32502E+00 dt= 6.051E-01 a= 8.410E-02 mem=16.1% 70.3%
+ Time elapsed since last coarse step:   36.34 s       34.65 mus/pt       39.99 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   647.859985     s
+   ==> Step=    1 GR_pot:    1 Error= 1.505E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.483E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.137E-02
+   ==> Step=    4 GR_pot:    1 Error= 4.121E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.531E-03
+   ==> Step=    6 GR_pot:    1 Error= 5.718E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.138E-04
+   ==> Step=    8 GR_pot:    1 Error= 7.998E-05
+   ==> Level=    7 igr=    1 Error= 7.998E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.535E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.844E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.275E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.223E-02
+   ==> Step=    5 GR_pot:    2 Error= 4.573E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.710E-03
+   ==> Step=    7 GR_pot:    2 Error= 6.398E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.394E-04
+   ==> Step=    9 GR_pot:    2 Error= 8.954E-05
+   ==> Level=    7 igr=    2 Error= 8.954E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.323E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.166E-02
+   ==> Step=    3 GR_pot:    3 Error= 5.090E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.604E-03
+   ==> Step=    5 GR_pot:    3 Error= 5.732E-04
+   ==> Step=    6 GR_pot:    3 Error= 2.121E-04
+   ==> Step=    7 GR_pot:    3 Error= 7.915E-05
+   ==> Level=    7 igr=    3 Error= 7.915E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 3.023E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.078E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.991E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.489E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.569E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.083E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.792E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.915E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.090E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.079E-05
+   ==> Level=    7 igr=    4 Error= 4.079E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.046E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.675E-02
+   ==> Step=    3 GR_pot:    5 Error= 1.012E-02
+   ==> Step=    4 GR_pot:    5 Error= 3.976E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.573E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.229E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.468E-04
+   ==> Step=    8 GR_pot:    5 Error= 9.776E-05
+   ==> Level=    7 igr=    5 Error= 9.776E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 1.046E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.675E-02
+   ==> Step=    3 GR_pot:    6 Error= 1.011E-02
+   ==> Step=    4 GR_pot:    6 Error= 3.976E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.573E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.229E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.468E-04
+   ==> Step=    8 GR_pot:    6 Error= 9.776E-05
+   ==> Level=    7 igr=    6 Error= 9.776E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.283E-01
+   ==> Step=    2 GR_pot:    7 Error= 2.403E-02
+   ==> Step=    3 GR_pot:    7 Error= 7.521E-03
+   ==> Step=    4 GR_pot:    7 Error= 2.717E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.009E-03
+   ==> Step=    6 GR_pot:    7 Error= 3.769E-04
+   ==> Step=    7 GR_pot:    7 Error= 1.409E-04
+   ==> Step=    8 GR_pot:    7 Error= 5.272E-05
+   ==> Level=    7 igr=    7 Error= 5.272E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 1.837E-01
+   ==> Step=    2 GR_pot:    8 Error= 5.791E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.129E-02
+   ==> Step=    4 GR_pot:    8 Error= 7.947E-03
+   ==> Step=    5 GR_pot:    8 Error= 2.972E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.112E-03
+   ==> Step=    7 GR_pot:    8 Error= 4.158E-04
+   ==> Step=    8 GR_pot:    8 Error= 1.555E-04
+   ==> Step=    9 GR_pot:    8 Error= 5.819E-05
+   ==> Level=    7 igr=    8 Error= 5.819E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.183E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.496E-02
+   ==> Step=    3 GR_pot:    9 Error= 2.742E-03
+   ==> Step=    4 GR_pot:    9 Error= 7.382E-04
+   ==> Step=    5 GR_pot:    9 Error= 2.498E-04
+   ==> Step=    6 GR_pot:    9 Error= 9.116E-05
+   ==> Level=    7 igr=    9 Error= 9.116E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.882E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.021E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.777E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.410E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.270E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.971E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.374E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.759E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.032E-04
+   ==> Step=   10 GR_pot:   10 Error= 3.861E-05
+   ==> Level=    7 igr=   10 Error= 3.861E-05 Steps=   10
+   0.100000E+01  -0.771992E+01   0.503294E+00  -0.721663E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     15 mcons= 0.00E+00 econs=-3.26E-01 epot=-1.35E-05 ekin= 4.53E-06
+ Fine step=     15 t=-7.71992E+00 dt= 5.033E-01 a= 9.292E-02 mem=16.1% 70.3%
+ Time elapsed since last coarse step:   35.24 s       33.61 mus/pt       39.59 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   683.099976     s
+   ==> Step=    1 GR_pot:    1 Error= 1.483E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.385E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.102E-02
+   ==> Step=    4 GR_pot:    1 Error= 3.997E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.485E-03
+   ==> Step=    6 GR_pot:    1 Error= 5.545E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.074E-04
+   ==> Step=    8 GR_pot:    1 Error= 7.756E-05
+   ==> Level=    7 igr=    1 Error= 7.756E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.473E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.586E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.179E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.187E-02
+   ==> Step=    5 GR_pot:    2 Error= 4.438E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.660E-03
+   ==> Step=    7 GR_pot:    2 Error= 6.210E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.323E-04
+   ==> Step=    9 GR_pot:    2 Error= 8.691E-05
+   ==> Level=    7 igr=    2 Error= 8.691E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.308E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.092E-02
+   ==> Step=    3 GR_pot:    3 Error= 4.821E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.503E-03
+   ==> Step=    5 GR_pot:    3 Error= 5.353E-04
+   ==> Step=    6 GR_pot:    3 Error= 1.979E-04
+   ==> Step=    7 GR_pot:    3 Error= 7.384E-05
+   ==> Level=    7 igr=    3 Error= 7.384E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 3.016E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.075E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.980E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.485E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.554E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.077E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.771E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.907E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.087E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.068E-05
+   ==> Level=    7 igr=    4 Error= 4.068E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.033E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.603E-02
+   ==> Step=    3 GR_pot:    5 Error= 9.838E-03
+   ==> Step=    4 GR_pot:    5 Error= 3.867E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.530E-03
+   ==> Step=    6 GR_pot:    5 Error= 6.058E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.400E-04
+   ==> Step=    8 GR_pot:    5 Error= 9.508E-05
+   ==> Level=    7 igr=    5 Error= 9.508E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 1.033E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.603E-02
+   ==> Step=    3 GR_pot:    6 Error= 9.838E-03
+   ==> Step=    4 GR_pot:    6 Error= 3.867E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.530E-03
+   ==> Step=    6 GR_pot:    6 Error= 6.058E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.400E-04
+   ==> Step=    8 GR_pot:    6 Error= 9.508E-05
+   ==> Level=    7 igr=    6 Error= 9.508E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.283E-01
+   ==> Step=    2 GR_pot:    7 Error= 2.398E-02
+   ==> Step=    3 GR_pot:    7 Error= 7.507E-03
+   ==> Step=    4 GR_pot:    7 Error= 2.712E-03
+   ==> Step=    5 GR_pot:    7 Error= 1.007E-03
+   ==> Step=    6 GR_pot:    7 Error= 3.763E-04
+   ==> Step=    7 GR_pot:    7 Error= 1.407E-04
+   ==> Step=    8 GR_pot:    7 Error= 5.263E-05
+   ==> Level=    7 igr=    7 Error= 5.263E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 1.835E-01
+   ==> Step=    2 GR_pot:    8 Error= 5.780E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.125E-02
+   ==> Step=    4 GR_pot:    8 Error= 7.932E-03
+   ==> Step=    5 GR_pot:    8 Error= 2.966E-03
+   ==> Step=    6 GR_pot:    8 Error= 1.109E-03
+   ==> Step=    7 GR_pot:    8 Error= 4.150E-04
+   ==> Step=    8 GR_pot:    8 Error= 1.553E-04
+   ==> Step=    9 GR_pot:    8 Error= 5.808E-05
+   ==> Level=    7 igr=    8 Error= 5.808E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.184E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.489E-02
+   ==> Step=    3 GR_pot:    9 Error= 2.719E-03
+   ==> Step=    4 GR_pot:    9 Error= 7.281E-04
+   ==> Step=    5 GR_pot:    9 Error= 2.458E-04
+   ==> Step=    6 GR_pot:    9 Error= 8.963E-05
+   ==> Level=    7 igr=    9 Error= 8.963E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.887E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.022E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.783E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.412E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.279E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.975E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.387E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.763E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.034E-04
+   ==> Step=   10 GR_pot:   10 Error= 3.867E-05
+   ==> Level=    7 igr=   10 Error= 3.867E-05 Steps=   10
+   0.100000E+01  -0.721663E+01   0.425383E+00  -0.679125E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     16 mcons= 0.00E+00 econs=-3.27E-01 epot=-1.75E-05 ekin= 5.91E-06
+ Fine step=     16 t=-7.21663E+00 dt= 4.254E-01 a= 1.014E-01 mem=16.1% 70.4%
+ Time elapsed since last coarse step:   35.30 s       33.67 mus/pt       39.24 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   718.409973     s
+   ==> Step=    1 GR_pot:    1 Error= 1.458E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.273E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.063E-02
+   ==> Step=    4 GR_pot:    1 Error= 3.854E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.432E-03
+   ==> Step=    6 GR_pot:    1 Error= 5.348E-04
+   ==> Step=    7 GR_pot:    1 Error= 2.000E-04
+   ==> Step=    8 GR_pot:    1 Error= 7.480E-05
+   ==> Level=    7 igr=    1 Error= 7.480E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.402E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.282E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.065E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.144E-02
+   ==> Step=    5 GR_pot:    2 Error= 4.279E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.601E-03
+   ==> Step=    7 GR_pot:    2 Error= 5.988E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.240E-04
+   ==> Step=    9 GR_pot:    2 Error= 8.379E-05
+   ==> Level=    7 igr=    2 Error= 8.379E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.292E-01
+   ==> Step=    2 GR_pot:    3 Error= 2.014E-02
+   ==> Step=    3 GR_pot:    3 Error= 4.550E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.403E-03
+   ==> Step=    5 GR_pot:    3 Error= 4.981E-04
+   ==> Step=    6 GR_pot:    3 Error= 1.840E-04
+   ==> Step=    7 GR_pot:    3 Error= 6.864E-05
+   ==> Level=    7 igr=    3 Error= 6.864E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 3.008E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.072E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.967E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.481E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.537E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.071E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.747E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.898E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.084E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.056E-05
+   ==> Level=    7 igr=    4 Error= 4.056E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.019E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.530E-02
+   ==> Step=    3 GR_pot:    5 Error= 9.554E-03
+   ==> Step=    4 GR_pot:    5 Error= 3.755E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.485E-03
+   ==> Step=    6 GR_pot:    5 Error= 5.883E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.331E-04
+   ==> Step=    8 GR_pot:    5 Error= 9.233E-05
+   ==> Level=    7 igr=    5 Error= 9.233E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 1.019E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.530E-02
+   ==> Step=    3 GR_pot:    6 Error= 9.553E-03
+   ==> Step=    4 GR_pot:    6 Error= 3.755E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.485E-03
+   ==> Step=    6 GR_pot:    6 Error= 5.883E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.331E-04
+   ==> Step=    8 GR_pot:    6 Error= 9.233E-05
+   ==> Level=    7 igr=    6 Error= 9.233E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.252E-01
+   ==> Step=    2 GR_pot:    7 Error= 2.211E-02
+   ==> Step=    3 GR_pot:    7 Error= 6.827E-03
+   ==> Step=    4 GR_pot:    7 Error= 2.464E-03
+   ==> Step=    5 GR_pot:    7 Error= 9.152E-04
+   ==> Step=    6 GR_pot:    7 Error= 3.418E-04
+   ==> Step=    7 GR_pot:    7 Error= 1.278E-04
+   ==> Step=    8 GR_pot:    7 Error= 4.781E-05
+   ==> Level=    7 igr=    7 Error= 4.781E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 1.719E-01
+   ==> Step=    2 GR_pot:    8 Error= 5.223E-02
+   ==> Step=    3 GR_pot:    8 Error= 1.915E-02
+   ==> Step=    4 GR_pot:    8 Error= 7.147E-03
+   ==> Step=    5 GR_pot:    8 Error= 2.673E-03
+   ==> Step=    6 GR_pot:    8 Error= 9.997E-04
+   ==> Step=    7 GR_pot:    8 Error= 3.740E-04
+   ==> Step=    8 GR_pot:    8 Error= 1.399E-04
+   ==> Step=    9 GR_pot:    8 Error= 5.233E-05
+   ==> Level=    7 igr=    8 Error= 5.233E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.168E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.395E-02
+   ==> Step=    3 GR_pot:    9 Error= 2.424E-03
+   ==> Step=    4 GR_pot:    9 Error= 6.276E-04
+   ==> Step=    5 GR_pot:    9 Error= 2.091E-04
+   ==> Step=    6 GR_pot:    9 Error= 7.599E-05
+   ==> Level=    7 igr=    9 Error= 7.599E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.852E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.008E-01
+   ==> Step=    3 GR_pot:   10 Error= 3.730E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.392E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.205E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.947E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.283E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.724E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.019E-04
+   ==> Step=   10 GR_pot:   10 Error= 3.813E-05
+   ==> Level=    7 igr=   10 Error= 3.813E-05 Steps=   10
+   0.100000E+01  -0.679125E+01   0.362093E+00  -0.642915E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     17 mcons= 0.00E+00 econs=-3.28E-01 epot=-2.22E-05 ekin= 7.47E-06
+ Fine step=     17 t=-6.79125E+00 dt= 3.621E-01 a= 1.094E-01 mem=16.1% 70.4%
+ Time elapsed since last coarse step:   36.17 s       34.49 mus/pt       38.98 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   754.579956     s
+   ==> Step=    1 GR_pot:    1 Error= 1.434E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.161E-02
+   ==> Step=    3 GR_pot:    1 Error= 1.024E-02
+   ==> Step=    4 GR_pot:    1 Error= 3.712E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.379E-03
+   ==> Step=    6 GR_pot:    1 Error= 5.151E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.926E-04
+   ==> Step=    8 GR_pot:    1 Error= 7.205E-05
+   ==> Level=    7 igr=    1 Error= 7.205E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.330E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.977E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.951E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.102E-02
+   ==> Step=    5 GR_pot:    2 Error= 4.120E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.541E-03
+   ==> Step=    7 GR_pot:    2 Error= 5.765E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.157E-04
+   ==> Step=    9 GR_pot:    2 Error= 8.067E-05
+   ==> Level=    7 igr=    2 Error= 8.067E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.276E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.939E-02
+   ==> Step=    3 GR_pot:    3 Error= 4.294E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.310E-03
+   ==> Step=    5 GR_pot:    3 Error= 4.633E-04
+   ==> Step=    6 GR_pot:    3 Error= 1.710E-04
+   ==> Step=    7 GR_pot:    3 Error= 6.377E-05
+   ==> Level=    7 igr=    3 Error= 6.377E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 3.000E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.068E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.955E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.476E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.519E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.065E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.723E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.889E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.081E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.043E-05
+   ==> Level=    7 igr=    4 Error= 4.043E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 1.007E-01
+   ==> Step=    2 GR_pot:    5 Error= 2.457E-02
+   ==> Step=    3 GR_pot:    5 Error= 9.272E-03
+   ==> Step=    4 GR_pot:    5 Error= 3.645E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.442E-03
+   ==> Step=    6 GR_pot:    5 Error= 5.710E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.262E-04
+   ==> Step=    8 GR_pot:    5 Error= 8.961E-05
+   ==> Level=    7 igr=    5 Error= 8.961E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 1.007E-01
+   ==> Step=    2 GR_pot:    6 Error= 2.457E-02
+   ==> Step=    3 GR_pot:    6 Error= 9.272E-03
+   ==> Step=    4 GR_pot:    6 Error= 3.645E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.442E-03
+   ==> Step=    6 GR_pot:    6 Error= 5.710E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.262E-04
+   ==> Step=    8 GR_pot:    6 Error= 8.961E-05
+   ==> Level=    7 igr=    6 Error= 8.961E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.228E-01
+   ==> Step=    2 GR_pot:    7 Error= 2.055E-02
+   ==> Step=    3 GR_pot:    7 Error= 6.257E-03
+   ==> Step=    4 GR_pot:    7 Error= 2.256E-03
+   ==> Step=    5 GR_pot:    7 Error= 8.377E-04
+   ==> Step=    6 GR_pot:    7 Error= 3.129E-04
+   ==> Step=    7 GR_pot:    7 Error= 1.170E-04
+   ==> Step=    8 GR_pot:    7 Error= 4.377E-05
+   ==> Level=    7 igr=    7 Error= 4.377E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 1.626E-01
+   ==> Step=    2 GR_pot:    8 Error= 4.760E-02
+   ==> Step=    3 GR_pot:    8 Error= 1.741E-02
+   ==> Step=    4 GR_pot:    8 Error= 6.494E-03
+   ==> Step=    5 GR_pot:    8 Error= 2.428E-03
+   ==> Step=    6 GR_pot:    8 Error= 9.083E-04
+   ==> Step=    7 GR_pot:    8 Error= 3.398E-04
+   ==> Step=    8 GR_pot:    8 Error= 1.271E-04
+   ==> Step=    9 GR_pot:    8 Error= 4.755E-05
+   ==> Level=    7 igr=    8 Error= 4.755E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.156E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.321E-02
+   ==> Step=    3 GR_pot:    9 Error= 2.203E-03
+   ==> Step=    4 GR_pot:    9 Error= 5.545E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.828E-04
+   ==> Step=    6 GR_pot:    9 Error= 6.626E-05
+   ==> Level=    7 igr=    9 Error= 6.626E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.818E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.947E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.679E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.373E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.134E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.920E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.183E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.687E-04
+   ==> Step=    9 GR_pot:   10 Error= 1.005E-04
+   ==> Step=   10 GR_pot:   10 Error= 3.760E-05
+   ==> Level=    7 igr=   10 Error= 3.760E-05 Steps=   10
+   0.100000E+01  -0.642915E+01   0.310579E+00  -0.611857E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     18 mcons= 0.00E+00 econs=-3.28E-01 epot=-2.73E-05 ekin= 9.19E-06
+ Fine step=     18 t=-6.42915E+00 dt= 3.106E-01 a= 1.171E-01 mem=16.1% 70.4%
+ Time elapsed since last coarse step:   42.18 s       40.23 mus/pt       39.04 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   796.760010     s
+   ==> Step=    1 GR_pot:    1 Error= 1.410E-01
+   ==> Step=    2 GR_pot:    1 Error= 3.048E-02
+   ==> Step=    3 GR_pot:    1 Error= 9.851E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.570E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.326E-03
+   ==> Step=    6 GR_pot:    1 Error= 4.953E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.852E-04
+   ==> Step=    8 GR_pot:    1 Error= 6.928E-05
+   ==> Level=    7 igr=    1 Error= 6.928E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.260E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.673E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.837E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.059E-02
+   ==> Step=    5 GR_pot:    2 Error= 3.961E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.481E-03
+   ==> Step=    7 GR_pot:    2 Error= 5.542E-04
+   ==> Step=    8 GR_pot:    2 Error= 2.073E-04
+   ==> Step=    9 GR_pot:    2 Error= 7.756E-05
+   ==> Level=    7 igr=    2 Error= 7.756E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.261E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.867E-02
+   ==> Step=    3 GR_pot:    3 Error= 4.054E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.223E-03
+   ==> Step=    5 GR_pot:    3 Error= 4.310E-04
+   ==> Step=    6 GR_pot:    3 Error= 1.590E-04
+   ==> Step=    7 GR_pot:    3 Error= 5.926E-05
+   ==> Level=    7 igr=    3 Error= 5.926E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 2.992E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.065E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.943E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.472E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.502E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.058E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.699E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.880E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.077E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.030E-05
+   ==> Level=    7 igr=    4 Error= 4.030E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 9.940E-02
+   ==> Step=    2 GR_pot:    5 Error= 2.385E-02
+   ==> Step=    3 GR_pot:    5 Error= 8.994E-03
+   ==> Step=    4 GR_pot:    5 Error= 3.535E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.398E-03
+   ==> Step=    6 GR_pot:    5 Error= 5.539E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.194E-04
+   ==> Step=    8 GR_pot:    5 Error= 8.693E-05
+   ==> Level=    7 igr=    5 Error= 8.693E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 9.940E-02
+   ==> Step=    2 GR_pot:    6 Error= 2.385E-02
+   ==> Step=    3 GR_pot:    6 Error= 8.994E-03
+   ==> Step=    4 GR_pot:    6 Error= 3.535E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.398E-03
+   ==> Step=    6 GR_pot:    6 Error= 5.538E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.194E-04
+   ==> Step=    8 GR_pot:    6 Error= 8.693E-05
+   ==> Level=    7 igr=    6 Error= 8.693E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.208E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.914E-02
+   ==> Step=    3 GR_pot:    7 Error= 5.737E-03
+   ==> Step=    4 GR_pot:    7 Error= 2.066E-03
+   ==> Step=    5 GR_pot:    7 Error= 7.671E-04
+   ==> Step=    6 GR_pot:    7 Error= 2.865E-04
+   ==> Step=    7 GR_pot:    7 Error= 1.071E-04
+   ==> Step=    8 GR_pot:    7 Error= 4.008E-05
+   ==> Level=    7 igr=    7 Error= 4.008E-05 Steps=    8
+   ==> Step=    1 GR_pot:    8 Error= 1.546E-01
+   ==> Step=    2 GR_pot:    8 Error= 4.340E-02
+   ==> Step=    3 GR_pot:    8 Error= 1.582E-02
+   ==> Step=    4 GR_pot:    8 Error= 5.900E-03
+   ==> Step=    5 GR_pot:    8 Error= 2.206E-03
+   ==> Step=    6 GR_pot:    8 Error= 8.252E-04
+   ==> Step=    7 GR_pot:    8 Error= 3.087E-04
+   ==> Step=    8 GR_pot:    8 Error= 1.155E-04
+   ==> Step=    9 GR_pot:    8 Error= 4.320E-05
+   ==> Level=    7 igr=    8 Error= 4.320E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.147E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.258E-02
+   ==> Step=    3 GR_pot:    9 Error= 2.022E-03
+   ==> Step=    4 GR_pot:    9 Error= 4.981E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.630E-04
+   ==> Step=    6 GR_pot:    9 Error= 5.900E-05
+   ==> Level=    7 igr=    9 Error= 5.900E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.784E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.806E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.626E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.353E-02
+   ==> Step=    5 GR_pot:   10 Error= 5.060E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.893E-03
+   ==> Step=    7 GR_pot:   10 Error= 7.080E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.649E-04
+   ==> Step=    9 GR_pot:   10 Error= 9.908E-05
+   ==> Level=    7 igr=   10 Error= 9.908E-05 Steps=    9
+   0.100000E+01  -0.611857E+01   0.266176E+00  -0.585240E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     19 mcons= 0.00E+00 econs=-3.29E-01 epot=-3.28E-05 ekin= 1.10E-05
+ Fine step=     19 t=-6.11857E+00 dt= 2.662E-01 a= 1.243E-01 mem=16.1% 70.5%
+ Time elapsed since last coarse step:   34.93 s       33.31 mus/pt       38.76 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   831.690002     s
+   ==> Step=    1 GR_pot:    1 Error= 1.389E-01
+   ==> Step=    2 GR_pot:    1 Error= 2.942E-02
+   ==> Step=    3 GR_pot:    1 Error= 9.478E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.434E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.275E-03
+   ==> Step=    6 GR_pot:    1 Error= 4.764E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.781E-04
+   ==> Step=    8 GR_pot:    1 Error= 6.664E-05
+   ==> Level=    7 igr=    1 Error= 6.664E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.192E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.379E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.727E-02
+   ==> Step=    4 GR_pot:    2 Error= 1.018E-02
+   ==> Step=    5 GR_pot:    2 Error= 3.807E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.424E-03
+   ==> Step=    7 GR_pot:    2 Error= 5.327E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.993E-04
+   ==> Step=    9 GR_pot:    2 Error= 7.454E-05
+   ==> Level=    7 igr=    2 Error= 7.454E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.248E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.800E-02
+   ==> Step=    3 GR_pot:    3 Error= 3.835E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.144E-03
+   ==> Step=    5 GR_pot:    3 Error= 4.019E-04
+   ==> Step=    6 GR_pot:    3 Error= 1.481E-04
+   ==> Step=    7 GR_pot:    3 Error= 5.520E-05
+   ==> Level=    7 igr=    3 Error= 5.520E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 2.984E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.062E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.931E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.467E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.485E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.052E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.675E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.871E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.074E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.018E-05
+   ==> Level=    7 igr=    4 Error= 4.018E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 9.823E-02
+   ==> Step=    2 GR_pot:    5 Error= 2.317E-02
+   ==> Step=    3 GR_pot:    5 Error= 8.728E-03
+   ==> Step=    4 GR_pot:    5 Error= 3.431E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.357E-03
+   ==> Step=    6 GR_pot:    5 Error= 5.375E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.129E-04
+   ==> Step=    8 GR_pot:    5 Error= 8.436E-05
+   ==> Level=    7 igr=    5 Error= 8.436E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 9.823E-02
+   ==> Step=    2 GR_pot:    6 Error= 2.317E-02
+   ==> Step=    3 GR_pot:    6 Error= 8.728E-03
+   ==> Step=    4 GR_pot:    6 Error= 3.431E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.357E-03
+   ==> Step=    6 GR_pot:    6 Error= 5.375E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.129E-04
+   ==> Step=    8 GR_pot:    6 Error= 8.435E-05
+   ==> Level=    7 igr=    6 Error= 8.435E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.194E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.804E-02
+   ==> Step=    3 GR_pot:    7 Error= 5.325E-03
+   ==> Step=    4 GR_pot:    7 Error= 1.915E-03
+   ==> Step=    5 GR_pot:    7 Error= 7.109E-04
+   ==> Step=    6 GR_pot:    7 Error= 2.655E-04
+   ==> Step=    7 GR_pot:    7 Error= 9.930E-05
+   ==> Level=    7 igr=    7 Error= 9.930E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.485E-01
+   ==> Step=    2 GR_pot:    8 Error= 4.003E-02
+   ==> Step=    3 GR_pot:    8 Error= 1.454E-02
+   ==> Step=    4 GR_pot:    8 Error= 5.422E-03
+   ==> Step=    5 GR_pot:    8 Error= 2.027E-03
+   ==> Step=    6 GR_pot:    8 Error= 7.583E-04
+   ==> Step=    7 GR_pot:    8 Error= 2.837E-04
+   ==> Step=    8 GR_pot:    8 Error= 1.061E-04
+   ==> Step=    9 GR_pot:    8 Error= 3.970E-05
+   ==> Level=    7 igr=    8 Error= 3.970E-05 Steps=    9
+   ==> Step=    1 GR_pot:    9 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.211E-02
+   ==> Step=    3 GR_pot:    9 Error= 1.890E-03
+   ==> Step=    4 GR_pot:    9 Error= 4.595E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.500E-04
+   ==> Step=    6 GR_pot:    9 Error= 5.424E-05
+   ==> Level=    7 igr=    9 Error= 5.424E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.754E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.683E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.580E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.336E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.995E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.868E-03
+   ==> Step=    7 GR_pot:   10 Error= 6.990E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.615E-04
+   ==> Step=    9 GR_pot:   10 Error= 9.781E-05
+   ==> Level=    7 igr=   10 Error= 9.781E-05 Steps=    9
+   0.100000E+01  -0.585240E+01   0.233560E+00  -0.561884E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     20 mcons= 0.00E+00 econs=-3.30E-01 epot=-3.86E-05 ekin= 1.30E-05
+ Fine step=     20 t=-5.85240E+00 dt= 2.336E-01 a= 1.311E-01 mem=16.1% 70.5%
+ Time elapsed since last coarse step:   34.57 s       32.97 mus/pt       38.48 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   866.260010     s
+   ==> Step=    1 GR_pot:    1 Error= 1.368E-01
+   ==> Step=    2 GR_pot:    1 Error= 2.836E-02
+   ==> Step=    3 GR_pot:    1 Error= 9.108E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.299E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.225E-03
+   ==> Step=    6 GR_pot:    1 Error= 4.577E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.712E-04
+   ==> Step=    8 GR_pot:    1 Error= 6.402E-05
+   ==> Level=    7 igr=    1 Error= 6.402E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.126E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.085E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.617E-02
+   ==> Step=    4 GR_pot:    2 Error= 9.769E-03
+   ==> Step=    5 GR_pot:    2 Error= 3.653E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.366E-03
+   ==> Step=    7 GR_pot:    2 Error= 5.112E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.912E-04
+   ==> Step=    9 GR_pot:    2 Error= 7.154E-05
+   ==> Level=    7 igr=    2 Error= 7.154E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.236E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.737E-02
+   ==> Step=    3 GR_pot:    3 Error= 3.631E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.072E-03
+   ==> Step=    5 GR_pot:    3 Error= 3.753E-04
+   ==> Step=    6 GR_pot:    3 Error= 1.382E-04
+   ==> Step=    7 GR_pot:    3 Error= 5.149E-05
+   ==> Level=    7 igr=    3 Error= 5.149E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 2.976E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.059E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.918E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.462E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.468E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.045E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.651E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.862E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.071E-04
+   ==> Step=   10 GR_pot:    4 Error= 4.005E-05
+   ==> Level=    7 igr=    4 Error= 4.005E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 9.713E-02
+   ==> Step=    2 GR_pot:    5 Error= 2.251E-02
+   ==> Step=    3 GR_pot:    5 Error= 8.475E-03
+   ==> Step=    4 GR_pot:    5 Error= 3.331E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.318E-03
+   ==> Step=    6 GR_pot:    5 Error= 5.219E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.067E-04
+   ==> Step=    8 GR_pot:    5 Error= 8.191E-05
+   ==> Level=    7 igr=    5 Error= 8.191E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 9.713E-02
+   ==> Step=    2 GR_pot:    6 Error= 2.251E-02
+   ==> Step=    3 GR_pot:    6 Error= 8.475E-03
+   ==> Step=    4 GR_pot:    6 Error= 3.331E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.318E-03
+   ==> Step=    6 GR_pot:    6 Error= 5.219E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.067E-04
+   ==> Step=    8 GR_pot:    6 Error= 8.191E-05
+   ==> Level=    7 igr=    6 Error= 8.191E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.179E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.677E-02
+   ==> Step=    3 GR_pot:    7 Error= 4.843E-03
+   ==> Step=    4 GR_pot:    7 Error= 1.738E-03
+   ==> Step=    5 GR_pot:    7 Error= 6.454E-04
+   ==> Step=    6 GR_pot:    7 Error= 2.411E-04
+   ==> Step=    7 GR_pot:    7 Error= 9.015E-05
+   ==> Level=    7 igr=    7 Error= 9.015E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.419E-01
+   ==> Step=    2 GR_pot:    8 Error= 3.616E-02
+   ==> Step=    3 GR_pot:    8 Error= 1.306E-02
+   ==> Step=    4 GR_pot:    8 Error= 4.869E-03
+   ==> Step=    5 GR_pot:    8 Error= 1.821E-03
+   ==> Step=    6 GR_pot:    8 Error= 6.810E-04
+   ==> Step=    7 GR_pot:    8 Error= 2.548E-04
+   ==> Step=    8 GR_pot:    8 Error= 9.530E-05
+   ==> Level=    7 igr=    8 Error= 9.530E-05 Steps=    8
+   ==> Step=    1 GR_pot:    9 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.159E-02
+   ==> Step=    3 GR_pot:    9 Error= 1.752E-03
+   ==> Step=    4 GR_pot:    9 Error= 4.225E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.381E-04
+   ==> Step=    6 GR_pot:    9 Error= 5.002E-05
+   ==> Level=    7 igr=    9 Error= 5.002E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.709E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.502E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.512E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.311E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.901E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.833E-03
+   ==> Step=    7 GR_pot:   10 Error= 6.857E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.565E-04
+   ==> Step=    9 GR_pot:   10 Error= 9.596E-05
+   ==> Level=    7 igr=   10 Error= 9.596E-05 Steps=    9
+   0.100000E+01  -0.561884E+01   0.213224E+00  -0.540561E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     21 mcons= 0.00E+00 econs=-3.30E-01 epot=-4.47E-05 ekin= 1.51E-05
+ Fine step=     21 t=-5.61884E+00 dt= 2.132E-01 a= 1.375E-01 mem=16.1% 70.6%
+ Time elapsed since last coarse step:   34.94 s       33.33 mus/pt       38.25 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   901.199951     s
+   ==> Step=    1 GR_pot:    1 Error= 1.348E-01
+   ==> Step=    2 GR_pot:    1 Error= 2.728E-02
+   ==> Step=    3 GR_pot:    1 Error= 8.730E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.161E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.174E-03
+   ==> Step=    6 GR_pot:    1 Error= 4.386E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.640E-04
+   ==> Step=    8 GR_pot:    1 Error= 6.135E-05
+   ==> Level=    7 igr=    1 Error= 6.135E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 2.059E-01
+   ==> Step=    2 GR_pot:    2 Error= 6.782E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.503E-02
+   ==> Step=    4 GR_pot:    2 Error= 9.346E-03
+   ==> Step=    5 GR_pot:    2 Error= 3.495E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.307E-03
+   ==> Step=    7 GR_pot:    2 Error= 4.890E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.829E-04
+   ==> Step=    9 GR_pot:    2 Error= 6.843E-05
+   ==> Level=    7 igr=    2 Error= 6.843E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.225E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.675E-02
+   ==> Step=    3 GR_pot:    3 Error= 3.439E-03
+   ==> Step=    4 GR_pot:    3 Error= 1.005E-03
+   ==> Step=    5 GR_pot:    3 Error= 3.506E-04
+   ==> Step=    6 GR_pot:    3 Error= 1.290E-04
+   ==> Step=    7 GR_pot:    3 Error= 4.806E-05
+   ==> Level=    7 igr=    3 Error= 4.806E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 2.967E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.055E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.906E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.458E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.451E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.039E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.627E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.853E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.067E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.993E-05
+   ==> Level=    7 igr=    4 Error= 3.993E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 9.611E-02
+   ==> Step=    2 GR_pot:    5 Error= 2.189E-02
+   ==> Step=    3 GR_pot:    5 Error= 8.232E-03
+   ==> Step=    4 GR_pot:    5 Error= 3.236E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.280E-03
+   ==> Step=    6 GR_pot:    5 Error= 5.069E-04
+   ==> Step=    7 GR_pot:    5 Error= 2.008E-04
+   ==> Step=    8 GR_pot:    5 Error= 7.956E-05
+   ==> Level=    7 igr=    5 Error= 7.956E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 9.611E-02
+   ==> Step=    2 GR_pot:    6 Error= 2.189E-02
+   ==> Step=    3 GR_pot:    6 Error= 8.232E-03
+   ==> Step=    4 GR_pot:    6 Error= 3.236E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.280E-03
+   ==> Step=    6 GR_pot:    6 Error= 5.069E-04
+   ==> Step=    7 GR_pot:    6 Error= 2.008E-04
+   ==> Step=    8 GR_pot:    6 Error= 7.956E-05
+   ==> Level=    7 igr=    6 Error= 7.956E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.165E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.544E-02
+   ==> Step=    3 GR_pot:    7 Error= 4.325E-03
+   ==> Step=    4 GR_pot:    7 Error= 1.548E-03
+   ==> Step=    5 GR_pot:    7 Error= 5.746E-04
+   ==> Step=    6 GR_pot:    7 Error= 2.146E-04
+   ==> Step=    7 GR_pot:    7 Error= 8.026E-05
+   ==> Level=    7 igr=    7 Error= 8.026E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.355E-01
+   ==> Step=    2 GR_pot:    8 Error= 3.204E-02
+   ==> Step=    3 GR_pot:    8 Error= 1.148E-02
+   ==> Step=    4 GR_pot:    8 Error= 4.279E-03
+   ==> Step=    5 GR_pot:    8 Error= 1.600E-03
+   ==> Step=    6 GR_pot:    8 Error= 5.984E-04
+   ==> Step=    7 GR_pot:    8 Error= 2.239E-04
+   ==> Step=    8 GR_pot:    8 Error= 8.375E-05
+   ==> Level=    7 igr=    8 Error= 8.375E-05 Steps=    8
+   ==> Step=    1 GR_pot:    9 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.108E-02
+   ==> Step=    3 GR_pot:    9 Error= 1.624E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.924E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.294E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.700E-05
+   ==> Level=    7 igr=    9 Error= 4.700E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.651E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.264E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.423E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.277E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.776E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.786E-03
+   ==> Step=    7 GR_pot:   10 Error= 6.683E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.500E-04
+   ==> Step=    9 GR_pot:   10 Error= 9.352E-05
+   ==> Level=    7 igr=   10 Error= 9.352E-05 Steps=    9
+   0.100000E+01  -0.540561E+01   0.199572E+00  -0.520604E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     22 mcons= 0.00E+00 econs=-3.31E-01 epot=-5.13E-05 ekin= 1.73E-05
+ Fine step=     22 t=-5.40561E+00 dt= 1.996E-01 a= 1.437E-01 mem=16.1% 70.6%
+ Time elapsed since last coarse step:   34.07 s       32.49 mus/pt       38.00 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   935.269958     s
+   ==> Step=    1 GR_pot:    1 Error= 1.330E-01
+   ==> Step=    2 GR_pot:    1 Error= 2.623E-02
+   ==> Step=    3 GR_pot:    1 Error= 8.359E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.026E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.124E-03
+   ==> Step=    6 GR_pot:    1 Error= 4.199E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.570E-04
+   ==> Step=    8 GR_pot:    1 Error= 5.873E-05
+   ==> Level=    7 igr=    1 Error= 5.873E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 1.995E-01
+   ==> Step=    2 GR_pot:    2 Error= 6.490E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.394E-02
+   ==> Step=    4 GR_pot:    2 Error= 8.936E-03
+   ==> Step=    5 GR_pot:    2 Error= 3.341E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.250E-03
+   ==> Step=    7 GR_pot:    2 Error= 4.676E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.749E-04
+   ==> Step=    9 GR_pot:    2 Error= 6.543E-05
+   ==> Level=    7 igr=    2 Error= 6.543E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.214E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.616E-02
+   ==> Step=    3 GR_pot:    3 Error= 3.256E-03
+   ==> Step=    4 GR_pot:    3 Error= 9.421E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.275E-04
+   ==> Step=    6 GR_pot:    3 Error= 1.203E-04
+   ==> Step=    7 GR_pot:    3 Error= 4.484E-05
+   ==> Level=    7 igr=    3 Error= 4.484E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 2.959E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.052E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.893E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.453E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.433E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.032E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.602E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.844E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.064E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.980E-05
+   ==> Level=    7 igr=    4 Error= 3.980E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 9.515E-02
+   ==> Step=    2 GR_pot:    5 Error= 2.129E-02
+   ==> Step=    3 GR_pot:    5 Error= 8.000E-03
+   ==> Step=    4 GR_pot:    5 Error= 3.144E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.244E-03
+   ==> Step=    6 GR_pot:    5 Error= 4.926E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.951E-04
+   ==> Step=    8 GR_pot:    5 Error= 7.731E-05
+   ==> Level=    7 igr=    5 Error= 7.731E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 9.515E-02
+   ==> Step=    2 GR_pot:    6 Error= 2.129E-02
+   ==> Step=    3 GR_pot:    6 Error= 8.000E-03
+   ==> Step=    4 GR_pot:    6 Error= 3.144E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.244E-03
+   ==> Step=    6 GR_pot:    6 Error= 4.926E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.951E-04
+   ==> Step=    8 GR_pot:    6 Error= 7.731E-05
+   ==> Level=    7 igr=    6 Error= 7.731E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.156E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.440E-02
+   ==> Step=    3 GR_pot:    7 Error= 3.914E-03
+   ==> Step=    4 GR_pot:    7 Error= 1.397E-03
+   ==> Step=    5 GR_pot:    7 Error= 5.184E-04
+   ==> Step=    6 GR_pot:    7 Error= 1.936E-04
+   ==> Step=    7 GR_pot:    7 Error= 7.241E-05
+   ==> Level=    7 igr=    7 Error= 7.241E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.309E-01
+   ==> Step=    2 GR_pot:    8 Error= 2.885E-02
+   ==> Step=    3 GR_pot:    8 Error= 1.025E-02
+   ==> Step=    4 GR_pot:    8 Error= 3.817E-03
+   ==> Step=    5 GR_pot:    8 Error= 1.427E-03
+   ==> Step=    6 GR_pot:    8 Error= 5.338E-04
+   ==> Step=    7 GR_pot:    8 Error= 1.997E-04
+   ==> Step=    8 GR_pot:    8 Error= 7.470E-05
+   ==> Level=    7 igr=    8 Error= 7.470E-05 Steps=    8
+   ==> Step=    1 GR_pot:    9 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.069E-02
+   ==> Step=    3 GR_pot:    9 Error= 1.532E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.738E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.247E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.544E-05
+   ==> Level=    7 igr=    9 Error= 4.544E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.597E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.043E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.340E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.246E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.660E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.743E-03
+   ==> Step=    7 GR_pot:   10 Error= 6.521E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.439E-04
+   ==> Step=    9 GR_pot:   10 Error= 9.125E-05
+   ==> Level=    7 igr=   10 Error= 9.125E-05 Steps=    9
+   0.100000E+01  -0.520604E+01   0.176169E+00  -0.502987E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     23 mcons= 0.00E+00 econs=-3.31E-01 epot=-5.86E-05 ekin= 1.98E-05
+ Fine step=     23 t=-5.20604E+00 dt= 1.762E-01 a= 1.499E-01 mem=16.1% 70.6%
+ Time elapsed since last coarse step:   34.79 s       33.18 mus/pt       37.79 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   970.070007     s
+   ==> Step=    1 GR_pot:    1 Error= 1.314E-01
+   ==> Step=    2 GR_pot:    1 Error= 2.535E-02
+   ==> Step=    3 GR_pot:    1 Error= 8.051E-03
+   ==> Step=    4 GR_pot:    1 Error= 2.914E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.082E-03
+   ==> Step=    6 GR_pot:    1 Error= 4.043E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.512E-04
+   ==> Step=    8 GR_pot:    1 Error= 5.655E-05
+   ==> Level=    7 igr=    1 Error= 5.655E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 1.947E-01
+   ==> Step=    2 GR_pot:    2 Error= 6.268E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.311E-02
+   ==> Step=    4 GR_pot:    2 Error= 8.625E-03
+   ==> Step=    5 GR_pot:    2 Error= 3.225E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.206E-03
+   ==> Step=    7 GR_pot:    2 Error= 4.513E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.688E-04
+   ==> Step=    9 GR_pot:    2 Error= 6.316E-05
+   ==> Level=    7 igr=    2 Error= 6.316E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.206E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.568E-02
+   ==> Step=    3 GR_pot:    3 Error= 3.101E-03
+   ==> Step=    4 GR_pot:    3 Error= 8.872E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.072E-04
+   ==> Step=    6 GR_pot:    3 Error= 1.128E-04
+   ==> Step=    7 GR_pot:    3 Error= 4.201E-05
+   ==> Level=    7 igr=    3 Error= 4.201E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 2.952E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.049E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.882E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.449E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.417E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.026E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.580E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.836E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.061E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.968E-05
+   ==> Level=    7 igr=    4 Error= 3.968E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 9.427E-02
+   ==> Step=    2 GR_pot:    5 Error= 2.074E-02
+   ==> Step=    3 GR_pot:    5 Error= 7.787E-03
+   ==> Step=    4 GR_pot:    5 Error= 3.060E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.211E-03
+   ==> Step=    6 GR_pot:    5 Error= 4.795E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.899E-04
+   ==> Step=    8 GR_pot:    5 Error= 7.525E-05
+   ==> Level=    7 igr=    5 Error= 7.525E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 9.427E-02
+   ==> Step=    2 GR_pot:    6 Error= 2.074E-02
+   ==> Step=    3 GR_pot:    6 Error= 7.787E-03
+   ==> Step=    4 GR_pot:    6 Error= 3.060E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.211E-03
+   ==> Step=    6 GR_pot:    6 Error= 4.794E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.899E-04
+   ==> Step=    8 GR_pot:    6 Error= 7.525E-05
+   ==> Level=    7 igr=    6 Error= 7.525E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.156E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.433E-02
+   ==> Step=    3 GR_pot:    7 Error= 3.894E-03
+   ==> Step=    4 GR_pot:    7 Error= 1.390E-03
+   ==> Step=    5 GR_pot:    7 Error= 5.159E-04
+   ==> Step=    6 GR_pot:    7 Error= 1.927E-04
+   ==> Step=    7 GR_pot:    7 Error= 7.206E-05
+   ==> Level=    7 igr=    7 Error= 7.206E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.310E-01
+   ==> Step=    2 GR_pot:    8 Error= 2.885E-02
+   ==> Step=    3 GR_pot:    8 Error= 1.025E-02
+   ==> Step=    4 GR_pot:    8 Error= 3.818E-03
+   ==> Step=    5 GR_pot:    8 Error= 1.428E-03
+   ==> Step=    6 GR_pot:    8 Error= 5.340E-04
+   ==> Step=    7 GR_pot:    8 Error= 1.998E-04
+   ==> Step=    8 GR_pot:    8 Error= 7.473E-05
+   ==> Level=    7 igr=    8 Error= 7.473E-05 Steps=    8
+   ==> Step=    1 GR_pot:    9 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.063E-02
+   ==> Step=    3 GR_pot:    9 Error= 1.521E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.706E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.234E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.497E-05
+   ==> Level=    7 igr=    9 Error= 4.497E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.609E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.091E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.359E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.253E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.686E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.753E-03
+   ==> Step=    7 GR_pot:   10 Error= 6.557E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.453E-04
+   ==> Step=    9 GR_pot:   10 Error= 9.175E-05
+   ==> Level=    7 igr=   10 Error= 9.175E-05 Steps=    9
+   0.100000E+01  -0.502987E+01   0.163026E+00  -0.486685E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     24 mcons= 0.00E+00 econs=-3.31E-01 epot=-6.60E-05 ekin= 2.23E-05
+ Fine step=     24 t=-5.02987E+00 dt= 1.630E-01 a= 1.558E-01 mem=16.1% 70.7%
+ Time elapsed since last coarse step:   34.64 s       33.03 mus/pt       37.60 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1004.69995     s
+   ==> Step=    1 GR_pot:    1 Error= 1.297E-01
+   ==> Step=    2 GR_pot:    1 Error= 2.436E-02
+   ==> Step=    3 GR_pot:    1 Error= 7.699E-03
+   ==> Step=    4 GR_pot:    1 Error= 2.786E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.035E-03
+   ==> Step=    6 GR_pot:    1 Error= 3.865E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.445E-04
+   ==> Step=    8 GR_pot:    1 Error= 5.407E-05
+   ==> Level=    7 igr=    1 Error= 5.407E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 1.888E-01
+   ==> Step=    2 GR_pot:    2 Error= 5.992E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.207E-02
+   ==> Step=    4 GR_pot:    2 Error= 8.238E-03
+   ==> Step=    5 GR_pot:    2 Error= 3.081E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.152E-03
+   ==> Step=    7 GR_pot:    2 Error= 4.311E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.613E-04
+   ==> Step=    9 GR_pot:    2 Error= 6.032E-05
+   ==> Level=    7 igr=    2 Error= 6.032E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.198E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.515E-02
+   ==> Step=    3 GR_pot:    3 Error= 2.943E-03
+   ==> Step=    4 GR_pot:    3 Error= 8.338E-04
+   ==> Step=    5 GR_pot:    3 Error= 2.878E-04
+   ==> Step=    6 GR_pot:    3 Error= 1.056E-04
+   ==> Step=    7 GR_pot:    3 Error= 3.932E-05
+   ==> Level=    7 igr=    3 Error= 3.932E-05 Steps=    7
+   ==> Step=    1 GR_pot:    4 Error= 2.943E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.045E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.869E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.444E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.399E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.020E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.555E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.826E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.057E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.955E-05
+   ==> Level=    7 igr=    4 Error= 3.955E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 9.345E-02
+   ==> Step=    2 GR_pot:    5 Error= 2.022E-02
+   ==> Step=    3 GR_pot:    5 Error= 7.585E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.981E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.179E-03
+   ==> Step=    6 GR_pot:    5 Error= 4.670E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.850E-04
+   ==> Step=    8 GR_pot:    5 Error= 7.330E-05
+   ==> Level=    7 igr=    5 Error= 7.330E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 9.345E-02
+   ==> Step=    2 GR_pot:    6 Error= 2.022E-02
+   ==> Step=    3 GR_pot:    6 Error= 7.585E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.981E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.179E-03
+   ==> Step=    6 GR_pot:    6 Error= 4.670E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.850E-04
+   ==> Step=    8 GR_pot:    6 Error= 7.330E-05
+   ==> Level=    7 igr=    6 Error= 7.330E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.328E-02
+   ==> Step=    3 GR_pot:    7 Error= 3.468E-03
+   ==> Step=    4 GR_pot:    7 Error= 1.233E-03
+   ==> Step=    5 GR_pot:    7 Error= 4.574E-04
+   ==> Step=    6 GR_pot:    7 Error= 1.709E-04
+   ==> Step=    7 GR_pot:    7 Error= 6.390E-05
+   ==> Level=    7 igr=    7 Error= 6.390E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.264E-01
+   ==> Step=    2 GR_pot:    8 Error= 2.550E-02
+   ==> Step=    3 GR_pot:    8 Error= 8.945E-03
+   ==> Step=    4 GR_pot:    8 Error= 3.329E-03
+   ==> Step=    5 GR_pot:    8 Error= 1.245E-03
+   ==> Step=    6 GR_pot:    8 Error= 4.655E-04
+   ==> Step=    7 GR_pot:    8 Error= 1.741E-04
+   ==> Step=    8 GR_pot:    8 Error= 6.515E-05
+   ==> Level=    7 igr=    8 Error= 6.515E-05 Steps=    8
+   ==> Step=    1 GR_pot:    9 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.024E-02
+   ==> Step=    3 GR_pot:    9 Error= 1.434E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.559E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.204E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.407E-05
+   ==> Level=    7 igr=    9 Error= 4.407E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.538E-01
+   ==> Step=    2 GR_pot:   10 Error= 8.798E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.249E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.212E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.532E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.695E-03
+   ==> Step=    7 GR_pot:   10 Error= 6.341E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.372E-04
+   ==> Step=    9 GR_pot:   10 Error= 8.874E-05
+   ==> Level=    7 igr=   10 Error= 8.874E-05 Steps=    9
+   0.100000E+01  -0.486685E+01   0.138549E+00  -0.472830E+01  -0.472830E+01   0.166667E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     25 mcons= 0.00E+00 econs=-3.32E-01 epot=-7.40E-05 ekin= 2.50E-05
+ Fine step=     25 t=-4.86685E+00 dt= 1.385E-01 a= 1.615E-01 mem=16.1% 70.7%
+ Time elapsed since last coarse step:   34.42 s       32.83 mus/pt       37.42 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1039.12000     s
+   ==> Step=    1 GR_pot:    1 Error= 1.285E-01
+   ==> Step=    2 GR_pot:    1 Error= 2.365E-02
+   ==> Step=    3 GR_pot:    1 Error= 7.449E-03
+   ==> Step=    4 GR_pot:    1 Error= 2.695E-03
+   ==> Step=    5 GR_pot:    1 Error= 1.001E-03
+   ==> Step=    6 GR_pot:    1 Error= 3.739E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.398E-04
+   ==> Step=    8 GR_pot:    1 Error= 5.230E-05
+   ==> Level=    7 igr=    1 Error= 5.230E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 1.847E-01
+   ==> Step=    2 GR_pot:    2 Error= 5.804E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.136E-02
+   ==> Step=    4 GR_pot:    2 Error= 7.974E-03
+   ==> Step=    5 GR_pot:    2 Error= 2.982E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.115E-03
+   ==> Step=    7 GR_pot:    2 Error= 4.172E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.561E-04
+   ==> Step=    9 GR_pot:    2 Error= 5.839E-05
+   ==> Level=    7 igr=    2 Error= 5.839E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.191E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.477E-02
+   ==> Step=    3 GR_pot:    3 Error= 2.822E-03
+   ==> Step=    4 GR_pot:    3 Error= 7.910E-04
+   ==> Step=    5 GR_pot:    3 Error= 2.720E-04
+   ==> Step=    6 GR_pot:    3 Error= 9.967E-05
+   ==> Level=    7 igr=    3 Error= 9.967E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.936E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.043E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.859E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.440E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.385E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.014E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.534E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.819E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.054E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.944E-05
+   ==> Level=    7 igr=    4 Error= 3.944E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 9.269E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.972E-02
+   ==> Step=    3 GR_pot:    5 Error= 7.393E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.905E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.149E-03
+   ==> Step=    6 GR_pot:    5 Error= 4.552E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.803E-04
+   ==> Step=    8 GR_pot:    5 Error= 7.144E-05
+   ==> Level=    7 igr=    5 Error= 7.144E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 9.269E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.972E-02
+   ==> Step=    3 GR_pot:    6 Error= 7.393E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.905E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.149E-03
+   ==> Step=    6 GR_pot:    6 Error= 4.552E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.803E-04
+   ==> Step=    8 GR_pot:    6 Error= 7.144E-05
+   ==> Level=    7 igr=    6 Error= 7.144E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.149E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.352E-02
+   ==> Step=    3 GR_pot:    7 Error= 3.580E-03
+   ==> Step=    4 GR_pot:    7 Error= 1.275E-03
+   ==> Step=    5 GR_pot:    7 Error= 4.732E-04
+   ==> Step=    6 GR_pot:    7 Error= 1.767E-04
+   ==> Step=    7 GR_pot:    7 Error= 6.610E-05
+   ==> Level=    7 igr=    7 Error= 6.610E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.277E-01
+   ==> Step=    2 GR_pot:    8 Error= 2.644E-02
+   ==> Step=    3 GR_pot:    8 Error= 9.321E-03
+   ==> Step=    4 GR_pot:    8 Error= 3.470E-03
+   ==> Step=    5 GR_pot:    8 Error= 1.297E-03
+   ==> Step=    6 GR_pot:    8 Error= 4.852E-04
+   ==> Step=    7 GR_pot:    8 Error= 1.815E-04
+   ==> Step=    8 GR_pot:    8 Error= 6.791E-05
+   ==> Level=    7 igr=    8 Error= 6.791E-05 Steps=    8
+   ==> Step=    1 GR_pot:    9 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    9 Error= 1.030E-02
+   ==> Step=    3 GR_pot:    9 Error= 1.446E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.553E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.193E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.360E-05
+   ==> Level=    7 igr=    9 Error= 4.360E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.577E-01
+   ==> Step=    2 GR_pot:   10 Error= 8.957E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.308E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.234E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.615E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.726E-03
+   ==> Step=    7 GR_pot:   10 Error= 6.458E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.416E-04
+   ==> Step=    9 GR_pot:   10 Error= 9.038E-05
+   ==> Level=    7 igr=   10 Error= 9.038E-05 Steps=    9
+   0.100000E+01  -0.472830E+01   0.140862E+00  -0.458743E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     26 mcons= 0.00E+00 econs=-3.32E-01 epot=-8.16E-05 ekin= 2.76E-05
+ Fine step=     26 t=-4.72830E+00 dt= 1.409E-01 a= 1.667E-01 mem=16.1% 70.7%
+ Time elapsed since last coarse step:   34.58 s       32.98 mus/pt       37.26 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1073.70996     s
+   ==> Step=    1 GR_pot:    1 Error= 1.266E-01
+   ==> Step=    2 GR_pot:    1 Error= 2.252E-02
+   ==> Step=    3 GR_pot:    1 Error= 7.051E-03
+   ==> Step=    4 GR_pot:    1 Error= 2.550E-03
+   ==> Step=    5 GR_pot:    1 Error= 9.471E-04
+   ==> Step=    6 GR_pot:    1 Error= 3.538E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.323E-04
+   ==> Step=    8 GR_pot:    1 Error= 4.949E-05
+   ==> Level=    7 igr=    1 Error= 4.949E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 1.776E-01
+   ==> Step=    2 GR_pot:    2 Error= 5.466E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.010E-02
+   ==> Step=    4 GR_pot:    2 Error= 7.501E-03
+   ==> Step=    5 GR_pot:    2 Error= 2.805E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.049E-03
+   ==> Step=    7 GR_pot:    2 Error= 3.925E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.468E-04
+   ==> Step=    9 GR_pot:    2 Error= 5.492E-05
+   ==> Level=    7 igr=    2 Error= 5.492E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.181E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.422E-02
+   ==> Step=    3 GR_pot:    3 Error= 2.672E-03
+   ==> Step=    4 GR_pot:    3 Error= 7.442E-04
+   ==> Step=    5 GR_pot:    3 Error= 2.555E-04
+   ==> Step=    6 GR_pot:    3 Error= 9.360E-05
+   ==> Level=    7 igr=    3 Error= 9.360E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.927E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.039E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.844E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.435E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.365E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.007E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.507E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.808E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.051E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.930E-05
+   ==> Level=    7 igr=    4 Error= 3.930E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 9.198E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.926E-02
+   ==> Step=    3 GR_pot:    5 Error= 7.211E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.834E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.121E-03
+   ==> Step=    6 GR_pot:    5 Error= 4.440E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.759E-04
+   ==> Step=    8 GR_pot:    5 Error= 6.968E-05
+   ==> Level=    7 igr=    5 Error= 6.968E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 9.198E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.926E-02
+   ==> Step=    3 GR_pot:    6 Error= 7.211E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.834E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.121E-03
+   ==> Step=    6 GR_pot:    6 Error= 4.440E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.759E-04
+   ==> Step=    8 GR_pot:    6 Error= 6.968E-05
+   ==> Level=    7 igr=    6 Error= 6.968E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.164E-02
+   ==> Step=    3 GR_pot:    7 Error= 2.766E-03
+   ==> Step=    4 GR_pot:    7 Error= 9.721E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.606E-04
+   ==> Step=    6 GR_pot:    7 Error= 1.347E-04
+   ==> Step=    7 GR_pot:    7 Error= 5.036E-05
+   ==> Level=    7 igr=    7 Error= 5.036E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.198E-01
+   ==> Step=    2 GR_pot:    8 Error= 2.001E-02
+   ==> Step=    3 GR_pot:    8 Error= 6.759E-03
+   ==> Step=    4 GR_pot:    8 Error= 2.509E-03
+   ==> Step=    5 GR_pot:    8 Error= 9.379E-04
+   ==> Step=    6 GR_pot:    8 Error= 3.508E-04
+   ==> Step=    7 GR_pot:    8 Error= 1.312E-04
+   ==> Step=    8 GR_pot:    8 Error= 4.909E-05
+   ==> Level=    7 igr=    8 Error= 4.909E-05 Steps=    8
+   ==> Step=    1 GR_pot:    9 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    9 Error= 9.655E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.312E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.406E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.185E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.373E-05
+   ==> Level=    7 igr=    9 Error= 4.373E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.373E-01
+   ==> Step=    2 GR_pot:   10 Error= 8.109E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.990E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.116E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.171E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.560E-03
+   ==> Step=    7 GR_pot:   10 Error= 5.837E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.183E-04
+   ==> Step=    9 GR_pot:   10 Error= 8.168E-05
+   ==> Level=    7 igr=   10 Error= 8.168E-05 Steps=    9
+   0.100000E+01  -0.458743E+01   0.129992E+00  -0.445744E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     27 mcons= 0.00E+00 econs=-3.32E-01 epot=-9.04E-05 ekin= 3.06E-05
+ Fine step=     27 t=-4.58743E+00 dt= 1.300E-01 a= 1.721E-01 mem=16.1% 70.7%
+ Time elapsed since last coarse step:   35.93 s       34.27 mus/pt       37.15 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1109.66003     s
+   ==> Step=    1 GR_pot:    1 Error= 1.254E-01
+   ==> Step=    2 GR_pot:    1 Error= 2.185E-02
+   ==> Step=    3 GR_pot:    1 Error= 6.814E-03
+   ==> Step=    4 GR_pot:    1 Error= 2.463E-03
+   ==> Step=    5 GR_pot:    1 Error= 9.150E-04
+   ==> Step=    6 GR_pot:    1 Error= 3.418E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.278E-04
+   ==> Step=    8 GR_pot:    1 Error= 4.781E-05
+   ==> Level=    7 igr=    1 Error= 4.781E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 1.743E-01
+   ==> Step=    2 GR_pot:    2 Error= 5.305E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.949E-02
+   ==> Step=    4 GR_pot:    2 Error= 7.274E-03
+   ==> Step=    5 GR_pot:    2 Error= 2.720E-03
+   ==> Step=    6 GR_pot:    2 Error= 1.017E-03
+   ==> Step=    7 GR_pot:    2 Error= 3.806E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.424E-04
+   ==> Step=    9 GR_pot:    2 Error= 5.327E-05
+   ==> Level=    7 igr=    2 Error= 5.327E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.175E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.388E-02
+   ==> Step=    3 GR_pot:    3 Error= 2.566E-03
+   ==> Step=    4 GR_pot:    3 Error= 7.075E-04
+   ==> Step=    5 GR_pot:    3 Error= 2.419E-04
+   ==> Step=    6 GR_pot:    3 Error= 8.855E-05
+   ==> Level=    7 igr=    3 Error= 8.855E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.920E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.036E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.834E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.431E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.350E-03
+   ==> Step=    6 GR_pot:    4 Error= 2.001E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.486E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.800E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.048E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.919E-05
+   ==> Level=    7 igr=    4 Error= 3.919E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 9.128E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.879E-02
+   ==> Step=    3 GR_pot:    5 Error= 7.028E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.762E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.093E-03
+   ==> Step=    6 GR_pot:    5 Error= 4.327E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.714E-04
+   ==> Step=    8 GR_pot:    5 Error= 6.791E-05
+   ==> Level=    7 igr=    5 Error= 6.791E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 9.128E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.879E-02
+   ==> Step=    3 GR_pot:    6 Error= 7.028E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.762E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.093E-03
+   ==> Step=    6 GR_pot:    6 Error= 4.327E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.714E-04
+   ==> Step=    8 GR_pot:    6 Error= 6.791E-05
+   ==> Level=    7 igr=    6 Error= 6.791E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.193E-02
+   ==> Step=    3 GR_pot:    7 Error= 2.917E-03
+   ==> Step=    4 GR_pot:    7 Error= 1.029E-03
+   ==> Step=    5 GR_pot:    7 Error= 3.819E-04
+   ==> Step=    6 GR_pot:    7 Error= 1.427E-04
+   ==> Step=    7 GR_pot:    7 Error= 5.335E-05
+   ==> Level=    7 igr=    7 Error= 5.335E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.214E-01
+   ==> Step=    2 GR_pot:    8 Error= 2.130E-02
+   ==> Step=    3 GR_pot:    8 Error= 7.286E-03
+   ==> Step=    4 GR_pot:    8 Error= 2.707E-03
+   ==> Step=    5 GR_pot:    8 Error= 1.012E-03
+   ==> Step=    6 GR_pot:    8 Error= 3.786E-04
+   ==> Step=    7 GR_pot:    8 Error= 1.416E-04
+   ==> Step=    8 GR_pot:    8 Error= 5.298E-05
+   ==> Level=    7 igr=    8 Error= 5.298E-05 Steps=    8
+   ==> Step=    1 GR_pot:    9 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    9 Error= 9.707E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.321E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.372E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.163E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.281E-05
+   ==> Level=    7 igr=    9 Error= 4.281E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.442E-01
+   ==> Step=    2 GR_pot:   10 Error= 8.398E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.099E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.156E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.323E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.617E-03
+   ==> Step=    7 GR_pot:   10 Error= 6.049E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.263E-04
+   ==> Step=    9 GR_pot:   10 Error= 8.465E-05
+   ==> Level=    7 igr=   10 Error= 8.465E-05 Steps=    9
+   0.100000E+01  -0.445744E+01   0.126293E+00  -0.433115E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     28 mcons= 0.00E+00 econs=-3.32E-01 epot=-9.94E-05 ekin= 3.37E-05
+ Fine step=     28 t=-4.45744E+00 dt= 1.263E-01 a= 1.774E-01 mem=16.1% 70.8%
+ Time elapsed since last coarse step:   35.13 s       33.50 mus/pt       37.02 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1144.84998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.239E-01
+   ==> Step=    2 GR_pot:    1 Error= 2.095E-02
+   ==> Step=    3 GR_pot:    1 Error= 6.494E-03
+   ==> Step=    4 GR_pot:    1 Error= 2.347E-03
+   ==> Step=    5 GR_pot:    1 Error= 8.718E-04
+   ==> Step=    6 GR_pot:    1 Error= 3.256E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.218E-04
+   ==> Step=    8 GR_pot:    1 Error= 4.555E-05
+   ==> Level=    7 igr=    1 Error= 4.555E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 1.692E-01
+   ==> Step=    2 GR_pot:    2 Error= 5.047E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.852E-02
+   ==> Step=    4 GR_pot:    2 Error= 6.911E-03
+   ==> Step=    5 GR_pot:    2 Error= 2.584E-03
+   ==> Step=    6 GR_pot:    2 Error= 9.667E-04
+   ==> Step=    7 GR_pot:    2 Error= 3.616E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.353E-04
+   ==> Step=    9 GR_pot:    2 Error= 5.061E-05
+   ==> Level=    7 igr=    2 Error= 5.061E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.168E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.344E-02
+   ==> Step=    3 GR_pot:    3 Error= 2.441E-03
+   ==> Step=    4 GR_pot:    3 Error= 6.675E-04
+   ==> Step=    5 GR_pot:    3 Error= 2.277E-04
+   ==> Step=    6 GR_pot:    3 Error= 8.329E-05
+   ==> Level=    7 igr=    3 Error= 8.329E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.911E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.032E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.821E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.426E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.332E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.994E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.460E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.791E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.044E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.906E-05
+   ==> Level=    7 igr=    4 Error= 3.906E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 9.060E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.832E-02
+   ==> Step=    3 GR_pot:    5 Error= 6.846E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.690E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.064E-03
+   ==> Step=    6 GR_pot:    5 Error= 4.215E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.670E-04
+   ==> Step=    8 GR_pot:    5 Error= 6.615E-05
+   ==> Level=    7 igr=    5 Error= 6.615E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 9.060E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.832E-02
+   ==> Step=    3 GR_pot:    6 Error= 6.846E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.690E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.064E-03
+   ==> Step=    6 GR_pot:    6 Error= 4.214E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.670E-04
+   ==> Step=    8 GR_pot:    6 Error= 6.615E-05
+   ==> Level=    7 igr=    6 Error= 6.615E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.120E-02
+   ==> Step=    3 GR_pot:    7 Error= 2.597E-03
+   ==> Step=    4 GR_pot:    7 Error= 9.102E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.376E-04
+   ==> Step=    6 GR_pot:    7 Error= 1.261E-04
+   ==> Step=    7 GR_pot:    7 Error= 4.715E-05
+   ==> Level=    7 igr=    7 Error= 4.715E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.188E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.883E-02
+   ==> Step=    3 GR_pot:    8 Error= 6.286E-03
+   ==> Step=    4 GR_pot:    8 Error= 2.332E-03
+   ==> Step=    5 GR_pot:    8 Error= 8.716E-04
+   ==> Step=    6 GR_pot:    8 Error= 3.260E-04
+   ==> Step=    7 GR_pot:    8 Error= 1.220E-04
+   ==> Step=    8 GR_pot:    8 Error= 4.562E-05
+   ==> Level=    7 igr=    8 Error= 4.562E-05 Steps=    8
+   ==> Step=    1 GR_pot:    9 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    9 Error= 9.439E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.265E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.300E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.153E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.257E-05
+   ==> Level=    7 igr=    9 Error= 4.257E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.351E-01
+   ==> Step=    2 GR_pot:   10 Error= 8.016E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.956E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.103E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.123E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.542E-03
+   ==> Step=    7 GR_pot:   10 Error= 5.769E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.158E-04
+   ==> Step=    9 GR_pot:   10 Error= 8.074E-05
+   ==> Level=    7 igr=   10 Error= 8.074E-05 Steps=    9
+   0.100000E+01  -0.433115E+01   0.114069E+00  -0.421708E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     29 mcons= 0.00E+00 econs=-3.33E-01 epot=-1.09E-04 ekin= 3.70E-05
+ Fine step=     29 t=-4.33115E+00 dt= 1.141E-01 a= 1.828E-01 mem=16.1% 70.8%
+ Time elapsed since last coarse step:   34.51 s       32.91 mus/pt       36.89 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1179.35999     s
+   ==> Step=    1 GR_pot:    1 Error= 1.229E-01
+   ==> Step=    2 GR_pot:    1 Error= 2.032E-02
+   ==> Step=    3 GR_pot:    1 Error= 6.269E-03
+   ==> Step=    4 GR_pot:    1 Error= 2.265E-03
+   ==> Step=    5 GR_pot:    1 Error= 8.414E-04
+   ==> Step=    6 GR_pot:    1 Error= 3.143E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.175E-04
+   ==> Step=    8 GR_pot:    1 Error= 4.396E-05
+   ==> Level=    7 igr=    1 Error= 4.396E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 1.658E-01
+   ==> Step=    2 GR_pot:    2 Error= 4.874E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.787E-02
+   ==> Step=    4 GR_pot:    2 Error= 6.668E-03
+   ==> Step=    5 GR_pot:    2 Error= 2.494E-03
+   ==> Step=    6 GR_pot:    2 Error= 9.327E-04
+   ==> Step=    7 GR_pot:    2 Error= 3.489E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.305E-04
+   ==> Step=    9 GR_pot:    2 Error= 4.883E-05
+   ==> Level=    7 igr=    2 Error= 4.883E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.165E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.313E-02
+   ==> Step=    3 GR_pot:    3 Error= 2.346E-03
+   ==> Step=    4 GR_pot:    3 Error= 6.352E-04
+   ==> Step=    5 GR_pot:    3 Error= 2.159E-04
+   ==> Step=    6 GR_pot:    3 Error= 7.890E-05
+   ==> Level=    7 igr=    3 Error= 7.890E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.903E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.029E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.809E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.422E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.315E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.988E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.438E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.782E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.041E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.894E-05
+   ==> Level=    7 igr=    4 Error= 3.894E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 8.998E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.787E-02
+   ==> Step=    3 GR_pot:    5 Error= 6.671E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.622E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.037E-03
+   ==> Step=    6 GR_pot:    5 Error= 4.107E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.627E-04
+   ==> Step=    8 GR_pot:    5 Error= 6.446E-05
+   ==> Level=    7 igr=    5 Error= 6.446E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.998E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.787E-02
+   ==> Step=    3 GR_pot:    6 Error= 6.671E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.622E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.037E-03
+   ==> Step=    6 GR_pot:    6 Error= 4.107E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.627E-04
+   ==> Step=    8 GR_pot:    6 Error= 6.446E-05
+   ==> Level=    7 igr=    6 Error= 6.446E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.132E-02
+   ==> Step=    3 GR_pot:    7 Error= 2.668E-03
+   ==> Step=    4 GR_pot:    7 Error= 9.378E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.479E-04
+   ==> Step=    6 GR_pot:    7 Error= 1.299E-04
+   ==> Step=    7 GR_pot:    7 Error= 4.859E-05
+   ==> Level=    7 igr=    7 Error= 4.859E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.195E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.943E-02
+   ==> Step=    3 GR_pot:    8 Error= 6.539E-03
+   ==> Step=    4 GR_pot:    8 Error= 2.427E-03
+   ==> Step=    5 GR_pot:    8 Error= 9.074E-04
+   ==> Step=    6 GR_pot:    8 Error= 3.394E-04
+   ==> Step=    7 GR_pot:    8 Error= 1.270E-04
+   ==> Step=    8 GR_pot:    8 Error= 4.750E-05
+   ==> Level=    7 igr=    8 Error= 4.750E-05 Steps=    8
+   ==> Step=    1 GR_pot:    9 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    9 Error= 9.455E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.267E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.270E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.137E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.192E-05
+   ==> Level=    7 igr=    9 Error= 4.192E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.396E-01
+   ==> Step=    2 GR_pot:   10 Error= 8.203E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.026E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.129E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.221E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.579E-03
+   ==> Step=    7 GR_pot:   10 Error= 5.906E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.209E-04
+   ==> Step=    9 GR_pot:   10 Error= 8.264E-05
+   ==> Level=    7 igr=   10 Error= 8.264E-05 Steps=    9
+   0.100000E+01  -0.421708E+01   0.106891E+00  -0.411019E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     30 mcons= 0.00E+00 econs=-3.33E-01 epot=-1.19E-04 ekin= 4.04E-05
+ Fine step=     30 t=-4.21708E+00 dt= 1.069E-01 a= 1.879E-01 mem=16.1% 70.8%
+ Time elapsed since last coarse step:   35.13 s       33.50 mus/pt       36.78 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1214.48999     s
+   ==> Step=    1 GR_pot:    1 Error= 1.219E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.959E-02
+   ==> Step=    3 GR_pot:    1 Error= 6.010E-03
+   ==> Step=    4 GR_pot:    1 Error= 2.170E-03
+   ==> Step=    5 GR_pot:    1 Error= 8.063E-04
+   ==> Step=    6 GR_pot:    1 Error= 3.011E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.126E-04
+   ==> Step=    8 GR_pot:    1 Error= 4.213E-05
+   ==> Level=    7 igr=    1 Error= 4.213E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 1.616E-01
+   ==> Step=    2 GR_pot:    2 Error= 4.656E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.705E-02
+   ==> Step=    4 GR_pot:    2 Error= 6.362E-03
+   ==> Step=    5 GR_pot:    2 Error= 2.379E-03
+   ==> Step=    6 GR_pot:    2 Error= 8.898E-04
+   ==> Step=    7 GR_pot:    2 Error= 3.329E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.245E-04
+   ==> Step=    9 GR_pot:    2 Error= 4.658E-05
+   ==> Level=    7 igr=    2 Error= 4.658E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.163E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.278E-02
+   ==> Step=    3 GR_pot:    3 Error= 2.247E-03
+   ==> Step=    4 GR_pot:    3 Error= 6.036E-04
+   ==> Step=    5 GR_pot:    3 Error= 2.047E-04
+   ==> Step=    6 GR_pot:    3 Error= 7.477E-05
+   ==> Level=    7 igr=    3 Error= 7.477E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.895E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.026E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.796E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.417E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.297E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.981E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.412E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.773E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.037E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.880E-05
+   ==> Level=    7 igr=    4 Error= 3.880E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 8.945E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.747E-02
+   ==> Step=    3 GR_pot:    5 Error= 6.517E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.561E-03
+   ==> Step=    5 GR_pot:    5 Error= 1.013E-03
+   ==> Step=    6 GR_pot:    5 Error= 4.012E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.589E-04
+   ==> Step=    8 GR_pot:    5 Error= 6.297E-05
+   ==> Level=    7 igr=    5 Error= 6.297E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.945E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.747E-02
+   ==> Step=    3 GR_pot:    6 Error= 6.517E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.561E-03
+   ==> Step=    5 GR_pot:    6 Error= 1.013E-03
+   ==> Step=    6 GR_pot:    6 Error= 4.012E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.589E-04
+   ==> Step=    8 GR_pot:    6 Error= 6.297E-05
+   ==> Level=    7 igr=    6 Error= 6.297E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.081E-02
+   ==> Step=    3 GR_pot:    7 Error= 2.438E-03
+   ==> Step=    4 GR_pot:    7 Error= 8.519E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.159E-04
+   ==> Step=    6 GR_pot:    7 Error= 1.180E-04
+   ==> Step=    7 GR_pot:    7 Error= 4.413E-05
+   ==> Level=    7 igr=    7 Error= 4.413E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.179E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.769E-02
+   ==> Step=    3 GR_pot:    8 Error= 5.821E-03
+   ==> Step=    4 GR_pot:    8 Error= 2.157E-03
+   ==> Step=    5 GR_pot:    8 Error= 8.063E-04
+   ==> Step=    6 GR_pot:    8 Error= 3.016E-04
+   ==> Step=    7 GR_pot:    8 Error= 1.128E-04
+   ==> Step=    8 GR_pot:    8 Error= 4.221E-05
+   ==> Level=    7 igr=    8 Error= 4.221E-05 Steps=    8
+   ==> Step=    1 GR_pot:    9 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    9 Error= 9.278E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.229E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.221E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.129E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.175E-05
+   ==> Level=    7 igr=    9 Error= 4.175E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.322E-01
+   ==> Step=    2 GR_pot:   10 Error= 7.894E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.910E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.086E-02
+   ==> Step=    5 GR_pot:   10 Error= 4.059E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.518E-03
+   ==> Step=    7 GR_pot:   10 Error= 5.680E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.125E-04
+   ==> Step=    9 GR_pot:   10 Error= 7.949E-05
+   ==> Level=    7 igr=   10 Error= 7.949E-05 Steps=    9
+   0.100000E+01  -0.411019E+01   0.105650E+00  -0.400454E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     31 mcons= 0.00E+00 econs=-3.33E-01 epot=-1.30E-04 ekin= 4.39E-05
+ Fine step=     31 t=-4.11019E+00 dt= 1.057E-01 a= 1.929E-01 mem=16.1% 70.8%
+ Time elapsed since last coarse step:   34.44 s       32.85 mus/pt       36.65 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1248.92993     s
+   ==> Step=    1 GR_pot:    1 Error= 1.210E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.889E-02
+   ==> Step=    3 GR_pot:    1 Error= 5.755E-03
+   ==> Step=    4 GR_pot:    1 Error= 2.078E-03
+   ==> Step=    5 GR_pot:    1 Error= 7.718E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.883E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.078E-04
+   ==> Step=    8 GR_pot:    1 Error= 4.033E-05
+   ==> Level=    7 igr=    1 Error= 4.033E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 1.579E-01
+   ==> Step=    2 GR_pot:    2 Error= 4.452E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.627E-02
+   ==> Step=    4 GR_pot:    2 Error= 6.072E-03
+   ==> Step=    5 GR_pot:    2 Error= 2.271E-03
+   ==> Step=    6 GR_pot:    2 Error= 8.494E-04
+   ==> Step=    7 GR_pot:    2 Error= 3.177E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.189E-04
+   ==> Step=    9 GR_pot:    2 Error= 4.446E-05
+   ==> Level=    7 igr=    2 Error= 4.446E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.163E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.247E-02
+   ==> Step=    3 GR_pot:    3 Error= 2.155E-03
+   ==> Step=    4 GR_pot:    3 Error= 5.749E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.946E-04
+   ==> Step=    6 GR_pot:    3 Error= 7.106E-05
+   ==> Level=    7 igr=    3 Error= 7.106E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.885E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.022E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.782E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.412E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.278E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.974E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.385E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.763E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.034E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.866E-05
+   ==> Level=    7 igr=    4 Error= 3.866E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 8.896E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.710E-02
+   ==> Step=    3 GR_pot:    5 Error= 6.370E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.503E-03
+   ==> Step=    5 GR_pot:    5 Error= 9.902E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.922E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.554E-04
+   ==> Step=    8 GR_pot:    5 Error= 6.155E-05
+   ==> Level=    7 igr=    5 Error= 6.155E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.896E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.710E-02
+   ==> Step=    3 GR_pot:    6 Error= 6.370E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.503E-03
+   ==> Step=    5 GR_pot:    6 Error= 9.902E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.922E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.554E-04
+   ==> Step=    8 GR_pot:    6 Error= 6.155E-05
+   ==> Level=    7 igr=    6 Error= 6.155E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.029E-02
+   ==> Step=    3 GR_pot:    7 Error= 2.188E-03
+   ==> Step=    4 GR_pot:    7 Error= 7.577E-04
+   ==> Step=    5 GR_pot:    7 Error= 2.808E-04
+   ==> Step=    6 GR_pot:    7 Error= 1.049E-04
+   ==> Step=    7 GR_pot:    7 Error= 3.923E-05
+   ==> Level=    7 igr=    7 Error= 3.923E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.164E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.587E-02
+   ==> Step=    3 GR_pot:    8 Error= 5.049E-03
+   ==> Step=    4 GR_pot:    8 Error= 1.867E-03
+   ==> Step=    5 GR_pot:    8 Error= 6.976E-04
+   ==> Step=    6 GR_pot:    8 Error= 2.609E-04
+   ==> Step=    7 GR_pot:    8 Error= 9.762E-05
+   ==> Level=    7 igr=    8 Error= 9.762E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    9 Error= 9.103E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.191E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.177E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.124E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.165E-05
+   ==> Level=    7 igr=    9 Error= 4.165E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.222E-01
+   ==> Step=    2 GR_pot:   10 Error= 7.466E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.750E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.026E-02
+   ==> Step=    5 GR_pot:   10 Error= 3.835E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.434E-03
+   ==> Step=    7 GR_pot:   10 Error= 5.366E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.007E-04
+   ==> Step=    9 GR_pot:   10 Error= 7.509E-05
+   ==> Level=    7 igr=   10 Error= 7.509E-05 Steps=    9
+   0.100000E+01  -0.400454E+01   0.105631E+00  -0.389891E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     32 mcons= 0.00E+00 econs=-3.33E-01 epot=-1.41E-04 ekin= 4.78E-05
+ Fine step=     32 t=-4.00454E+00 dt= 1.056E-01 a= 1.980E-01 mem=16.1% 70.9%
+ Time elapsed since last coarse step:   33.30 s       31.76 mus/pt       36.51 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1282.22998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.202E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.822E-02
+   ==> Step=    3 GR_pot:    1 Error= 5.514E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.990E-03
+   ==> Step=    5 GR_pot:    1 Error= 7.392E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.761E-04
+   ==> Step=    7 GR_pot:    1 Error= 1.033E-04
+   ==> Step=    8 GR_pot:    1 Error= 3.862E-05
+   ==> Level=    7 igr=    1 Error= 3.862E-05 Steps=    8
+   ==> Step=    1 GR_pot:    2 Error= 1.545E-01
+   ==> Step=    2 GR_pot:    2 Error= 4.266E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.557E-02
+   ==> Step=    4 GR_pot:    2 Error= 5.810E-03
+   ==> Step=    5 GR_pot:    2 Error= 2.172E-03
+   ==> Step=    6 GR_pot:    2 Error= 8.126E-04
+   ==> Step=    7 GR_pot:    2 Error= 3.040E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.137E-04
+   ==> Step=    9 GR_pot:    2 Error= 4.254E-05
+   ==> Level=    7 igr=    2 Error= 4.254E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.163E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.219E-02
+   ==> Step=    3 GR_pot:    3 Error= 2.073E-03
+   ==> Step=    4 GR_pot:    3 Error= 5.490E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.855E-04
+   ==> Step=    6 GR_pot:    3 Error= 6.769E-05
+   ==> Level=    7 igr=    3 Error= 6.769E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.877E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.019E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.769E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.407E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.259E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.967E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.359E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.753E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.030E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.853E-05
+   ==> Level=    7 igr=    4 Error= 3.853E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 8.844E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.670E-02
+   ==> Step=    3 GR_pot:    5 Error= 6.216E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.443E-03
+   ==> Step=    5 GR_pot:    5 Error= 9.662E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.827E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.516E-04
+   ==> Step=    8 GR_pot:    5 Error= 6.006E-05
+   ==> Level=    7 igr=    5 Error= 6.006E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.844E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.670E-02
+   ==> Step=    3 GR_pot:    6 Error= 6.216E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.443E-03
+   ==> Step=    5 GR_pot:    6 Error= 9.662E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.827E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.516E-04
+   ==> Step=    8 GR_pot:    6 Error= 6.006E-05
+   ==> Level=    7 igr=    6 Error= 6.006E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    7 Error= 9.996E-03
+   ==> Step=    3 GR_pot:    7 Error= 2.053E-03
+   ==> Step=    4 GR_pot:    7 Error= 7.070E-04
+   ==> Step=    5 GR_pot:    7 Error= 2.620E-04
+   ==> Step=    6 GR_pot:    7 Error= 9.785E-05
+   ==> Level=    7 igr=    7 Error= 9.785E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.158E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.494E-02
+   ==> Step=    3 GR_pot:    8 Error= 4.647E-03
+   ==> Step=    4 GR_pot:    8 Error= 1.716E-03
+   ==> Step=    5 GR_pot:    8 Error= 6.411E-04
+   ==> Step=    6 GR_pot:    8 Error= 2.398E-04
+   ==> Step=    7 GR_pot:    8 Error= 8.970E-05
+   ==> Level=    7 igr=    8 Error= 8.970E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    9 Error= 9.004E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.168E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.135E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.114E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.131E-05
+   ==> Level=    7 igr=    9 Error= 4.131E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.168E-01
+   ==> Step=    2 GR_pot:   10 Error= 7.239E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.664E-02
+   ==> Step=    4 GR_pot:   10 Error= 9.938E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.716E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.390E-03
+   ==> Step=    7 GR_pot:   10 Error= 5.199E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.945E-04
+   ==> Step=    9 GR_pot:   10 Error= 7.276E-05
+   ==> Level=    7 igr=   10 Error= 7.276E-05 Steps=    9
+   0.100000E+01  -0.389891E+01   0.983625E-01  -0.380055E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     33 mcons= 0.00E+00 econs=-3.33E-01 epot=-1.53E-04 ekin= 5.20E-05
+ Fine step=     33 t=-3.89891E+00 dt= 9.836E-02 a= 2.033E-01 mem=16.1% 70.9%
+ Time elapsed since last coarse step:   33.78 s       32.21 mus/pt       36.38 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1316.01001     s
+   ==> Step=    1 GR_pot:    1 Error= 1.195E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.767E-02
+   ==> Step=    3 GR_pot:    1 Error= 5.316E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.918E-03
+   ==> Step=    5 GR_pot:    1 Error= 7.124E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.661E-04
+   ==> Step=    7 GR_pot:    1 Error= 9.950E-05
+   ==> Level=    7 igr=    1 Error= 9.950E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.520E-01
+   ==> Step=    2 GR_pot:    2 Error= 4.121E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.502E-02
+   ==> Step=    4 GR_pot:    2 Error= 5.605E-03
+   ==> Step=    5 GR_pot:    2 Error= 2.096E-03
+   ==> Step=    6 GR_pot:    2 Error= 7.840E-04
+   ==> Step=    7 GR_pot:    2 Error= 2.933E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.097E-04
+   ==> Step=    9 GR_pot:    2 Error= 4.104E-05
+   ==> Level=    7 igr=    2 Error= 4.104E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.163E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.193E-02
+   ==> Step=    3 GR_pot:    3 Error= 1.995E-03
+   ==> Step=    4 GR_pot:    3 Error= 5.238E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.765E-04
+   ==> Step=    6 GR_pot:    3 Error= 6.435E-05
+   ==> Level=    7 igr=    3 Error= 6.435E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.868E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.015E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.756E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.402E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.242E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.961E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.334E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.744E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.026E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.840E-05
+   ==> Level=    7 igr=    4 Error= 3.840E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 8.786E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.628E-02
+   ==> Step=    3 GR_pot:    5 Error= 6.052E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.378E-03
+   ==> Step=    5 GR_pot:    5 Error= 9.406E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.725E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.476E-04
+   ==> Step=    8 GR_pot:    5 Error= 5.847E-05
+   ==> Level=    7 igr=    5 Error= 5.847E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.786E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.628E-02
+   ==> Step=    3 GR_pot:    6 Error= 6.052E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.378E-03
+   ==> Step=    5 GR_pot:    6 Error= 9.406E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.725E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.476E-04
+   ==> Step=    8 GR_pot:    6 Error= 5.847E-05
+   ==> Level=    7 igr=    6 Error= 5.847E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    7 Error= 1.008E-02
+   ==> Step=    3 GR_pot:    7 Error= 2.113E-03
+   ==> Step=    4 GR_pot:    7 Error= 7.305E-04
+   ==> Step=    5 GR_pot:    7 Error= 2.708E-04
+   ==> Step=    6 GR_pot:    7 Error= 1.011E-04
+   ==> Step=    7 GR_pot:    7 Error= 3.782E-05
+   ==> Level=    7 igr=    7 Error= 3.782E-05 Steps=    7
+   ==> Step=    1 GR_pot:    8 Error= 1.163E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.543E-02
+   ==> Step=    3 GR_pot:    8 Error= 4.869E-03
+   ==> Step=    4 GR_pot:    8 Error= 1.799E-03
+   ==> Step=    5 GR_pot:    8 Error= 6.724E-04
+   ==> Step=    6 GR_pot:    8 Error= 2.515E-04
+   ==> Step=    7 GR_pot:    8 Error= 9.409E-05
+   ==> Level=    7 igr=    8 Error= 9.409E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.997E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.162E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.088E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.093E-04
+   ==> Step=    6 GR_pot:    9 Error= 4.050E-05
+   ==> Level=    7 igr=    9 Error= 4.050E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.223E-01
+   ==> Step=    2 GR_pot:   10 Error= 7.470E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.751E-02
+   ==> Step=    4 GR_pot:   10 Error= 1.026E-02
+   ==> Step=    5 GR_pot:   10 Error= 3.837E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.435E-03
+   ==> Step=    7 GR_pot:   10 Error= 5.369E-04
+   ==> Step=    8 GR_pot:   10 Error= 2.008E-04
+   ==> Step=    9 GR_pot:   10 Error= 7.513E-05
+   ==> Level=    7 igr=   10 Error= 7.513E-05 Steps=    9
+   0.100000E+01  -0.380055E+01   0.941537E-01  -0.370639E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     34 mcons= 0.00E+00 econs=-3.33E-01 epot=-1.66E-04 ekin= 5.64E-05
+ Fine step=     34 t=-3.80055E+00 dt= 9.415E-02 a= 2.084E-01 mem=16.1% 70.9%
+ Time elapsed since last coarse step:   34.03 s       32.45 mus/pt       36.27 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1350.03992     s
+   ==> Step=    1 GR_pot:    1 Error= 1.187E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.707E-02
+   ==> Step=    3 GR_pot:    1 Error= 5.100E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.839E-03
+   ==> Step=    5 GR_pot:    1 Error= 6.831E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.552E-04
+   ==> Step=    7 GR_pot:    1 Error= 9.542E-05
+   ==> Level=    7 igr=    1 Error= 9.542E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.485E-01
+   ==> Step=    2 GR_pot:    2 Error= 3.922E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.427E-02
+   ==> Step=    4 GR_pot:    2 Error= 5.324E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.991E-03
+   ==> Step=    6 GR_pot:    2 Error= 7.447E-04
+   ==> Step=    7 GR_pot:    2 Error= 2.786E-04
+   ==> Step=    8 GR_pot:    2 Error= 1.042E-04
+   ==> Step=    9 GR_pot:    2 Error= 3.899E-05
+   ==> Level=    7 igr=    2 Error= 3.899E-05 Steps=    9
+   ==> Step=    1 GR_pot:    3 Error= 1.157E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.158E-02
+   ==> Step=    3 GR_pot:    3 Error= 1.905E-03
+   ==> Step=    4 GR_pot:    3 Error= 4.970E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.672E-04
+   ==> Step=    6 GR_pot:    3 Error= 6.096E-05
+   ==> Level=    7 igr=    3 Error= 6.096E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.859E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.011E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.742E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.397E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.222E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.953E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.306E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.733E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.022E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.825E-05
+   ==> Level=    7 igr=    4 Error= 3.825E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 8.733E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.589E-02
+   ==> Step=    3 GR_pot:    5 Error= 5.898E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.317E-03
+   ==> Step=    5 GR_pot:    5 Error= 9.166E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.630E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.438E-04
+   ==> Step=    8 GR_pot:    5 Error= 5.698E-05
+   ==> Level=    7 igr=    5 Error= 5.698E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.733E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.589E-02
+   ==> Step=    3 GR_pot:    6 Error= 5.898E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.317E-03
+   ==> Step=    5 GR_pot:    6 Error= 9.166E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.630E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.438E-04
+   ==> Step=    8 GR_pot:    6 Error= 5.698E-05
+   ==> Level=    7 igr=    6 Error= 5.698E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    7 Error= 9.762E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.960E-03
+   ==> Step=    4 GR_pot:    7 Error= 6.729E-04
+   ==> Step=    5 GR_pot:    7 Error= 2.493E-04
+   ==> Step=    6 GR_pot:    7 Error= 9.311E-05
+   ==> Level=    7 igr=    7 Error= 9.311E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.155E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.427E-02
+   ==> Step=    3 GR_pot:    8 Error= 4.365E-03
+   ==> Step=    4 GR_pot:    8 Error= 1.609E-03
+   ==> Step=    5 GR_pot:    8 Error= 6.013E-04
+   ==> Step=    6 GR_pot:    8 Error= 2.249E-04
+   ==> Step=    7 GR_pot:    8 Error= 8.414E-05
+   ==> Level=    7 igr=    8 Error= 8.414E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.829E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.125E-03
+   ==> Step=    4 GR_pot:    9 Error= 3.010E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.070E-04
+   ==> Step=    6 GR_pot:    9 Error= 3.971E-05
+   ==> Level=    7 igr=    9 Error= 3.971E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.151E-01
+   ==> Step=    2 GR_pot:   10 Error= 7.163E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.636E-02
+   ==> Step=    4 GR_pot:   10 Error= 9.832E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.676E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.375E-03
+   ==> Step=    7 GR_pot:   10 Error= 5.144E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.924E-04
+   ==> Step=    9 GR_pot:   10 Error= 7.198E-05
+   ==> Level=    7 igr=   10 Error= 7.198E-05 Steps=    9
+   0.100000E+01  -0.370639E+01   0.916219E-01  -0.361477E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     35 mcons= 0.00E+00 econs=-3.34E-01 epot=-1.79E-04 ekin= 6.10E-05
+ Fine step=     35 t=-3.70639E+00 dt= 9.162E-02 a= 2.135E-01 mem=16.1% 70.9%
+ Time elapsed since last coarse step:   33.90 s       32.33 mus/pt       36.16 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1383.93994     s
+   ==> Step=    1 GR_pot:    1 Error= 1.182E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.662E-02
+   ==> Step=    3 GR_pot:    1 Error= 4.937E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.780E-03
+   ==> Step=    5 GR_pot:    1 Error= 6.611E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.469E-04
+   ==> Step=    7 GR_pot:    1 Error= 9.235E-05
+   ==> Level=    7 igr=    1 Error= 9.235E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.455E-01
+   ==> Step=    2 GR_pot:    2 Error= 3.741E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.358E-02
+   ==> Step=    4 GR_pot:    2 Error= 5.067E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.895E-03
+   ==> Step=    6 GR_pot:    2 Error= 7.087E-04
+   ==> Step=    7 GR_pot:    2 Error= 2.651E-04
+   ==> Step=    8 GR_pot:    2 Error= 9.918E-05
+   ==> Level=    7 igr=    2 Error= 9.918E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.152E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.128E-02
+   ==> Step=    3 GR_pot:    3 Error= 1.825E-03
+   ==> Step=    4 GR_pot:    3 Error= 4.735E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.591E-04
+   ==> Step=    6 GR_pot:    3 Error= 5.800E-05
+   ==> Level=    7 igr=    3 Error= 5.800E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.849E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.007E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.727E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.391E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.201E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.945E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.277E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.722E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.018E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.810E-05
+   ==> Level=    7 igr=    4 Error= 3.810E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 8.686E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.552E-02
+   ==> Step=    3 GR_pot:    5 Error= 5.754E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.261E-03
+   ==> Step=    5 GR_pot:    5 Error= 8.942E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.542E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.403E-04
+   ==> Step=    8 GR_pot:    5 Error= 5.559E-05
+   ==> Level=    7 igr=    5 Error= 5.559E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.686E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.552E-02
+   ==> Step=    3 GR_pot:    6 Error= 5.754E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.261E-03
+   ==> Step=    5 GR_pot:    6 Error= 8.942E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.542E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.403E-04
+   ==> Step=    8 GR_pot:    6 Error= 5.559E-05
+   ==> Level=    7 igr=    6 Error= 5.559E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    7 Error= 9.546E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.856E-03
+   ==> Step=    4 GR_pot:    7 Error= 6.336E-04
+   ==> Step=    5 GR_pot:    7 Error= 2.347E-04
+   ==> Step=    6 GR_pot:    7 Error= 8.765E-05
+   ==> Level=    7 igr=    7 Error= 8.765E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.150E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.341E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.978E-03
+   ==> Step=    4 GR_pot:    8 Error= 1.463E-03
+   ==> Step=    5 GR_pot:    8 Error= 5.467E-04
+   ==> Step=    6 GR_pot:    8 Error= 2.045E-04
+   ==> Step=    7 GR_pot:    8 Error= 7.650E-05
+   ==> Level=    7 igr=    8 Error= 7.650E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.692E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.093E-03
+   ==> Step=    4 GR_pot:    9 Error= 2.936E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.047E-04
+   ==> Step=    6 GR_pot:    9 Error= 3.889E-05
+   ==> Level=    7 igr=    9 Error= 3.889E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.091E-01
+   ==> Step=    2 GR_pot:   10 Error= 6.901E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.538E-02
+   ==> Step=    4 GR_pot:   10 Error= 9.465E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.539E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.324E-03
+   ==> Step=    7 GR_pot:   10 Error= 4.952E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.852E-04
+   ==> Step=    9 GR_pot:   10 Error= 6.929E-05
+   ==> Level=    7 igr=   10 Error= 6.929E-05 Steps=    9
+   0.100000E+01  -0.361477E+01   0.870191E-01  -0.352775E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     36 mcons= 0.00E+00 econs=-3.34E-01 epot=-1.94E-04 ekin= 6.59E-05
+ Fine step=     36 t=-3.61477E+00 dt= 8.702E-02 a= 2.187E-01 mem=16.1% 71.0%
+ Time elapsed since last coarse step:   33.48 s       31.93 mus/pt       36.04 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1417.41992     s
+   ==> Step=    1 GR_pot:    1 Error= 1.178E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.629E-02
+   ==> Step=    3 GR_pot:    1 Error= 4.815E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.735E-03
+   ==> Step=    5 GR_pot:    1 Error= 6.446E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.408E-04
+   ==> Step=    7 GR_pot:    1 Error= 9.005E-05
+   ==> Level=    7 igr=    1 Error= 9.005E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.433E-01
+   ==> Step=    2 GR_pot:    2 Error= 3.601E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.305E-02
+   ==> Step=    4 GR_pot:    2 Error= 4.867E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.820E-03
+   ==> Step=    6 GR_pot:    2 Error= 6.808E-04
+   ==> Step=    7 GR_pot:    2 Error= 2.547E-04
+   ==> Step=    8 GR_pot:    2 Error= 9.527E-05
+   ==> Level=    7 igr=    2 Error= 9.527E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.105E-02
+   ==> Step=    3 GR_pot:    3 Error= 1.766E-03
+   ==> Step=    4 GR_pot:    3 Error= 4.554E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.528E-04
+   ==> Step=    6 GR_pot:    3 Error= 5.569E-05
+   ==> Level=    7 igr=    3 Error= 5.569E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.840E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.004E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.714E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.386E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.182E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.938E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.251E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.713E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.015E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.796E-05
+   ==> Level=    7 igr=    4 Error= 3.796E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 8.641E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.518E-02
+   ==> Step=    3 GR_pot:    5 Error= 5.620E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.208E-03
+   ==> Step=    5 GR_pot:    5 Error= 8.734E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.459E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.370E-04
+   ==> Step=    8 GR_pot:    5 Error= 5.429E-05
+   ==> Level=    7 igr=    5 Error= 5.429E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.641E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.518E-02
+   ==> Step=    3 GR_pot:    6 Error= 5.620E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.208E-03
+   ==> Step=    5 GR_pot:    6 Error= 8.734E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.459E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.370E-04
+   ==> Step=    8 GR_pot:    6 Error= 5.429E-05
+   ==> Level=    7 igr=    6 Error= 5.429E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    7 Error= 9.505E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.846E-03
+   ==> Step=    4 GR_pot:    7 Error= 6.306E-04
+   ==> Step=    5 GR_pot:    7 Error= 2.336E-04
+   ==> Step=    6 GR_pot:    7 Error= 8.724E-05
+   ==> Level=    7 igr=    7 Error= 8.724E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.149E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.323E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.900E-03
+   ==> Step=    4 GR_pot:    8 Error= 1.434E-03
+   ==> Step=    5 GR_pot:    8 Error= 5.357E-04
+   ==> Step=    6 GR_pot:    8 Error= 2.004E-04
+   ==> Step=    7 GR_pot:    8 Error= 7.496E-05
+   ==> Level=    7 igr=    8 Error= 7.496E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.645E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.083E-03
+   ==> Step=    4 GR_pot:    9 Error= 2.906E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.037E-04
+   ==> Step=    6 GR_pot:    9 Error= 3.850E-05
+   ==> Level=    7 igr=    9 Error= 3.850E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.090E-01
+   ==> Step=    2 GR_pot:   10 Error= 6.897E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.536E-02
+   ==> Step=    4 GR_pot:   10 Error= 9.460E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.537E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.323E-03
+   ==> Step=    7 GR_pot:   10 Error= 4.949E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.851E-04
+   ==> Step=    9 GR_pot:   10 Error= 6.926E-05
+   ==> Level=    7 igr=   10 Error= 6.926E-05 Steps=    9
+   0.100000E+01  -0.352775E+01   0.828814E-01  -0.344487E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     37 mcons= 0.00E+00 econs=-3.34E-01 epot=-2.09E-04 ekin= 7.10E-05
+ Fine step=     37 t=-3.52775E+00 dt= 8.288E-02 a= 2.238E-01 mem=16.1% 71.0%
+ Time elapsed since last coarse step:   33.29 s       31.75 mus/pt       35.93 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1450.69995     s
+   ==> Step=    1 GR_pot:    1 Error= 1.172E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.593E-02
+   ==> Step=    3 GR_pot:    1 Error= 4.686E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.688E-03
+   ==> Step=    5 GR_pot:    1 Error= 6.272E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.343E-04
+   ==> Step=    7 GR_pot:    1 Error= 8.761E-05
+   ==> Level=    7 igr=    1 Error= 8.761E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.408E-01
+   ==> Step=    2 GR_pot:    2 Error= 3.450E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.248E-02
+   ==> Step=    4 GR_pot:    2 Error= 4.653E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.740E-03
+   ==> Step=    6 GR_pot:    2 Error= 6.508E-04
+   ==> Step=    7 GR_pot:    2 Error= 2.434E-04
+   ==> Step=    8 GR_pot:    2 Error= 9.107E-05
+   ==> Level=    7 igr=    2 Error= 9.107E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.085E-02
+   ==> Step=    3 GR_pot:    3 Error= 1.711E-03
+   ==> Step=    4 GR_pot:    3 Error= 4.389E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.472E-04
+   ==> Step=    6 GR_pot:    3 Error= 5.362E-05
+   ==> Level=    7 igr=    3 Error= 5.362E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.830E-01
+   ==> Step=    2 GR_pot:    4 Error= 1.000E-01
+   ==> Step=    3 GR_pot:    4 Error= 3.699E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.381E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.162E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.931E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.223E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.702E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.011E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.782E-05
+   ==> Level=    7 igr=    4 Error= 3.782E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 8.599E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.485E-02
+   ==> Step=    3 GR_pot:    5 Error= 5.492E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.158E-03
+   ==> Step=    5 GR_pot:    5 Error= 8.535E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.381E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.339E-04
+   ==> Step=    8 GR_pot:    5 Error= 5.306E-05
+   ==> Level=    7 igr=    5 Error= 5.306E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.599E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.485E-02
+   ==> Step=    3 GR_pot:    6 Error= 5.492E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.158E-03
+   ==> Step=    5 GR_pot:    6 Error= 8.535E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.381E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.339E-04
+   ==> Step=    8 GR_pot:    6 Error= 5.306E-05
+   ==> Level=    7 igr=    6 Error= 5.306E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    7 Error= 9.366E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.787E-03
+   ==> Step=    4 GR_pot:    7 Error= 6.083E-04
+   ==> Step=    5 GR_pot:    7 Error= 2.253E-04
+   ==> Step=    6 GR_pot:    7 Error= 8.416E-05
+   ==> Level=    7 igr=    7 Error= 8.416E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.270E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.658E-03
+   ==> Step=    4 GR_pot:    8 Error= 1.343E-03
+   ==> Step=    5 GR_pot:    8 Error= 5.015E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.876E-04
+   ==> Step=    7 GR_pot:    8 Error= 7.017E-05
+   ==> Level=    7 igr=    8 Error= 7.017E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.598E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.074E-03
+   ==> Step=    4 GR_pot:    9 Error= 2.889E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.033E-04
+   ==> Step=    6 GR_pot:    9 Error= 3.836E-05
+   ==> Level=    7 igr=    9 Error= 3.836E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.052E-01
+   ==> Step=    2 GR_pot:   10 Error= 6.731E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.474E-02
+   ==> Step=    4 GR_pot:   10 Error= 9.227E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.450E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.290E-03
+   ==> Step=    7 GR_pot:   10 Error= 4.827E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.806E-04
+   ==> Step=    9 GR_pot:   10 Error= 6.755E-05
+   ==> Level=    7 igr=   10 Error= 6.755E-05 Steps=    9
+   0.100000E+01  -0.344487E+01   0.808762E-01  -0.336399E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     38 mcons= 0.00E+00 econs=-3.34E-01 epot=-2.24E-04 ekin= 7.63E-05
+ Fine step=     38 t=-3.44487E+00 dt= 8.088E-02 a= 2.288E-01 mem=16.1% 71.0%
+ Time elapsed since last coarse step:   40.01 s       38.15 mus/pt       35.99 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1490.70996     s
+   ==> Step=    1 GR_pot:    1 Error= 1.165E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.551E-02
+   ==> Step=    3 GR_pot:    1 Error= 4.535E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.633E-03
+   ==> Step=    5 GR_pot:    1 Error= 6.068E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.266E-04
+   ==> Step=    7 GR_pot:    1 Error= 8.476E-05
+   ==> Level=    7 igr=    1 Error= 8.476E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.382E-01
+   ==> Step=    2 GR_pot:    2 Error= 3.300E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.191E-02
+   ==> Step=    4 GR_pot:    2 Error= 4.440E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.660E-03
+   ==> Step=    6 GR_pot:    2 Error= 6.210E-04
+   ==> Step=    7 GR_pot:    2 Error= 2.323E-04
+   ==> Step=    8 GR_pot:    2 Error= 8.690E-05
+   ==> Level=    7 igr=    2 Error= 8.690E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.066E-02
+   ==> Step=    3 GR_pot:    3 Error= 1.660E-03
+   ==> Step=    4 GR_pot:    3 Error= 4.239E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.421E-04
+   ==> Step=    6 GR_pot:    3 Error= 5.176E-05
+   ==> Level=    7 igr=    3 Error= 5.176E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.821E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.960E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.685E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.375E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.141E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.923E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.194E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.691E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.007E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.766E-05
+   ==> Level=    7 igr=    4 Error= 3.766E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 8.559E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.454E-02
+   ==> Step=    3 GR_pot:    5 Error= 5.369E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.109E-03
+   ==> Step=    5 GR_pot:    5 Error= 8.344E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.305E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.309E-04
+   ==> Step=    8 GR_pot:    5 Error= 5.187E-05
+   ==> Level=    7 igr=    5 Error= 5.187E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.559E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.454E-02
+   ==> Step=    3 GR_pot:    6 Error= 5.369E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.109E-03
+   ==> Step=    5 GR_pot:    6 Error= 8.344E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.305E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.309E-04
+   ==> Step=    8 GR_pot:    6 Error= 5.187E-05
+   ==> Level=    7 igr=    6 Error= 5.187E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    7 Error= 9.132E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.678E-03
+   ==> Step=    4 GR_pot:    7 Error= 5.672E-04
+   ==> Step=    5 GR_pot:    7 Error= 2.100E-04
+   ==> Step=    6 GR_pot:    7 Error= 7.843E-05
+   ==> Level=    7 igr=    7 Error= 7.843E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.196E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.312E-03
+   ==> Step=    4 GR_pot:    8 Error= 1.211E-03
+   ==> Step=    5 GR_pot:    8 Error= 4.523E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.692E-04
+   ==> Step=    7 GR_pot:    8 Error= 6.329E-05
+   ==> Level=    7 igr=    8 Error= 6.329E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.543E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.061E-03
+   ==> Step=    4 GR_pot:    9 Error= 2.867E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.028E-04
+   ==> Step=    6 GR_pot:    9 Error= 3.820E-05
+   ==> Level=    7 igr=    9 Error= 3.820E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 1.983E-01
+   ==> Step=    2 GR_pot:   10 Error= 6.426E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.359E-02
+   ==> Step=    4 GR_pot:   10 Error= 8.799E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.290E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.230E-03
+   ==> Step=    7 GR_pot:   10 Error= 4.603E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.722E-04
+   ==> Step=    9 GR_pot:   10 Error= 6.441E-05
+   ==> Level=    7 igr=   10 Error= 6.441E-05 Steps=    9
+   0.100000E+01  -0.336399E+01   0.746744E-01  -0.328932E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     39 mcons= 0.00E+00 econs=-3.34E-01 epot=-2.40E-04 ekin= 8.19E-05
+ Fine step=     39 t=-3.36399E+00 dt= 7.467E-02 a= 2.338E-01 mem=16.1% 71.0%
+ Time elapsed since last coarse step:   32.87 s       31.35 mus/pt       35.87 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1523.57996     s
+   ==> Step=    1 GR_pot:    1 Error= 1.163E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.525E-02
+   ==> Step=    3 GR_pot:    1 Error= 4.440E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.599E-03
+   ==> Step=    5 GR_pot:    1 Error= 5.939E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.218E-04
+   ==> Step=    7 GR_pot:    1 Error= 8.296E-05
+   ==> Level=    7 igr=    1 Error= 8.296E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.363E-01
+   ==> Step=    2 GR_pot:    2 Error= 3.198E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.152E-02
+   ==> Step=    4 GR_pot:    2 Error= 4.295E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.606E-03
+   ==> Step=    6 GR_pot:    2 Error= 6.007E-04
+   ==> Step=    7 GR_pot:    2 Error= 2.247E-04
+   ==> Step=    8 GR_pot:    2 Error= 8.406E-05
+   ==> Level=    7 igr=    2 Error= 8.406E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.057E-02
+   ==> Step=    3 GR_pot:    3 Error= 1.628E-03
+   ==> Step=    4 GR_pot:    3 Error= 4.134E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.384E-04
+   ==> Step=    6 GR_pot:    3 Error= 5.040E-05
+   ==> Level=    7 igr=    3 Error= 5.040E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.812E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.923E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.671E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.370E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.122E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.916E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.168E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.681E-04
+   ==> Step=    9 GR_pot:    4 Error= 1.003E-04
+   ==> Step=   10 GR_pot:    4 Error= 3.752E-05
+   ==> Level=    7 igr=    4 Error= 3.752E-05 Steps=   10
+   ==> Step=    1 GR_pot:    5 Error= 8.519E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.423E-02
+   ==> Step=    3 GR_pot:    5 Error= 5.246E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.061E-03
+   ==> Step=    5 GR_pot:    5 Error= 8.152E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.229E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.279E-04
+   ==> Step=    8 GR_pot:    5 Error= 5.068E-05
+   ==> Level=    7 igr=    5 Error= 5.068E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.519E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.423E-02
+   ==> Step=    3 GR_pot:    6 Error= 5.246E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.061E-03
+   ==> Step=    5 GR_pot:    6 Error= 8.152E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.229E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.279E-04
+   ==> Step=    8 GR_pot:    6 Error= 5.068E-05
+   ==> Level=    7 igr=    6 Error= 5.068E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    7 Error= 9.195E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.728E-03
+   ==> Step=    4 GR_pot:    7 Error= 5.870E-04
+   ==> Step=    5 GR_pot:    7 Error= 2.174E-04
+   ==> Step=    6 GR_pot:    7 Error= 8.121E-05
+   ==> Level=    7 igr=    7 Error= 8.121E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.215E-02
+   ==> Step=    3 GR_pot:    8 Error= 3.418E-03
+   ==> Step=    4 GR_pot:    8 Error= 1.252E-03
+   ==> Step=    5 GR_pot:    8 Error= 4.677E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.749E-04
+   ==> Step=    7 GR_pot:    8 Error= 6.544E-05
+   ==> Level=    7 igr=    8 Error= 6.544E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.580E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.068E-03
+   ==> Step=    4 GR_pot:    9 Error= 2.871E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.027E-04
+   ==> Step=    6 GR_pot:    9 Error= 3.816E-05
+   ==> Level=    7 igr=    9 Error= 3.816E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 2.026E-01
+   ==> Step=    2 GR_pot:   10 Error= 6.612E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.429E-02
+   ==> Step=    4 GR_pot:   10 Error= 9.061E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.388E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.267E-03
+   ==> Step=    7 GR_pot:   10 Error= 4.740E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.773E-04
+   ==> Step=    9 GR_pot:   10 Error= 6.633E-05
+   ==> Level=    7 igr=   10 Error= 6.633E-05 Steps=    9
+   0.100000E+01  -0.328932E+01   0.720532E-01  -0.321727E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     40 mcons= 0.00E+00 econs=-3.34E-01 epot=-2.57E-04 ekin= 8.76E-05
+ Fine step=     40 t=-3.28932E+00 dt= 7.205E-02 a= 2.386E-01 mem=16.1% 71.1%
+ Time elapsed since last coarse step:   37.48 s       35.75 mus/pt       35.87 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1561.06995     s
+   ==> Step=    1 GR_pot:    1 Error= 1.164E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.487E-02
+   ==> Step=    3 GR_pot:    1 Error= 4.295E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.546E-03
+   ==> Step=    5 GR_pot:    1 Error= 5.743E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.145E-04
+   ==> Step=    7 GR_pot:    1 Error= 8.023E-05
+   ==> Level=    7 igr=    1 Error= 8.023E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.337E-01
+   ==> Step=    2 GR_pot:    2 Error= 3.038E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.091E-02
+   ==> Step=    4 GR_pot:    2 Error= 4.068E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.521E-03
+   ==> Step=    6 GR_pot:    2 Error= 5.689E-04
+   ==> Step=    7 GR_pot:    2 Error= 2.128E-04
+   ==> Step=    8 GR_pot:    2 Error= 7.962E-05
+   ==> Level=    7 igr=    2 Error= 7.962E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.040E-02
+   ==> Step=    3 GR_pot:    3 Error= 1.581E-03
+   ==> Step=    4 GR_pot:    3 Error= 4.002E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.340E-04
+   ==> Step=    6 GR_pot:    3 Error= 4.884E-05
+   ==> Level=    7 igr=    3 Error= 4.884E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.801E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.879E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.654E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.364E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.099E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.907E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.135E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.669E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.986E-05
+   ==> Level=    7 igr=    4 Error= 9.986E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.481E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.392E-02
+   ==> Step=    3 GR_pot:    5 Error= 5.125E-03
+   ==> Step=    4 GR_pot:    5 Error= 2.013E-03
+   ==> Step=    5 GR_pot:    5 Error= 7.964E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.154E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.250E-04
+   ==> Step=    8 GR_pot:    5 Error= 4.950E-05
+   ==> Level=    7 igr=    5 Error= 4.950E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.481E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.392E-02
+   ==> Step=    3 GR_pot:    6 Error= 5.125E-03
+   ==> Step=    4 GR_pot:    6 Error= 2.013E-03
+   ==> Step=    5 GR_pot:    6 Error= 7.964E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.154E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.250E-04
+   ==> Step=    8 GR_pot:    6 Error= 4.950E-05
+   ==> Level=    7 igr=    6 Error= 4.950E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.975E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.601E-03
+   ==> Step=    4 GR_pot:    7 Error= 5.377E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.990E-04
+   ==> Step=    6 GR_pot:    7 Error= 7.435E-05
+   ==> Level=    7 igr=    7 Error= 7.435E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.126E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.994E-03
+   ==> Step=    4 GR_pot:    8 Error= 1.091E-03
+   ==> Step=    5 GR_pot:    8 Error= 4.074E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.524E-04
+   ==> Step=    7 GR_pot:    8 Error= 5.700E-05
+   ==> Level=    7 igr=    8 Error= 5.700E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.502E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.046E-03
+   ==> Step=    4 GR_pot:    9 Error= 2.821E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.012E-04
+   ==> Step=    6 GR_pot:    9 Error= 3.765E-05
+   ==> Level=    7 igr=    9 Error= 3.765E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 1.930E-01
+   ==> Step=    2 GR_pot:   10 Error= 6.186E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.269E-02
+   ==> Step=    4 GR_pot:   10 Error= 8.462E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.164E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.183E-03
+   ==> Step=    7 GR_pot:   10 Error= 4.427E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.656E-04
+   ==> Step=    9 GR_pot:   10 Error= 6.195E-05
+   ==> Level=    7 igr=   10 Error= 6.195E-05 Steps=    9
+   0.100000E+01  -0.321727E+01   0.679170E-01  -0.314935E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     41 mcons= 0.00E+00 econs=-3.34E-01 epot=-2.74E-04 ekin= 9.35E-05
+ Fine step=     41 t=-3.21727E+00 dt= 6.792E-02 a= 2.434E-01 mem=16.1% 71.1%
+ Time elapsed since last coarse step:   35.29 s       33.66 mus/pt       35.82 mus/pt (av)
+ Used memory:    1.798 GB
+ Total running time:   1596.35999     s
+   ==> Step=    1 GR_pot:    1 Error= 1.167E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.459E-02
+   ==> Step=    3 GR_pot:    1 Error= 4.185E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.506E-03
+   ==> Step=    5 GR_pot:    1 Error= 5.593E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.089E-04
+   ==> Step=    7 GR_pot:    1 Error= 7.814E-05
+   ==> Level=    7 igr=    1 Error= 7.814E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.322E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.930E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.050E-02
+   ==> Step=    4 GR_pot:    2 Error= 3.913E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.463E-03
+   ==> Step=    6 GR_pot:    2 Error= 5.473E-04
+   ==> Step=    7 GR_pot:    2 Error= 2.047E-04
+   ==> Step=    8 GR_pot:    2 Error= 7.659E-05
+   ==> Level=    7 igr=    2 Error= 7.659E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.029E-02
+   ==> Step=    3 GR_pot:    3 Error= 1.545E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.893E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.303E-04
+   ==> Step=    6 GR_pot:    3 Error= 4.749E-05
+   ==> Level=    7 igr=    3 Error= 4.749E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.791E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.840E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.640E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.358E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.079E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.900E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.107E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.658E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.945E-05
+   ==> Level=    7 igr=    4 Error= 9.945E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.446E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.362E-02
+   ==> Step=    3 GR_pot:    5 Error= 5.008E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.967E-03
+   ==> Step=    5 GR_pot:    5 Error= 7.781E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.082E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.221E-04
+   ==> Step=    8 GR_pot:    5 Error= 4.837E-05
+   ==> Level=    7 igr=    5 Error= 4.837E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.446E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.362E-02
+   ==> Step=    3 GR_pot:    6 Error= 5.007E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.967E-03
+   ==> Step=    5 GR_pot:    6 Error= 7.781E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.082E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.221E-04
+   ==> Step=    8 GR_pot:    6 Error= 4.837E-05
+   ==> Level=    7 igr=    6 Error= 4.837E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.974E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.597E-03
+   ==> Step=    4 GR_pot:    7 Error= 5.366E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.986E-04
+   ==> Step=    6 GR_pot:    7 Error= 7.420E-05
+   ==> Level=    7 igr=    7 Error= 7.420E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.114E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.944E-03
+   ==> Step=    4 GR_pot:    8 Error= 1.072E-03
+   ==> Step=    5 GR_pot:    8 Error= 4.004E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.498E-04
+   ==> Step=    7 GR_pot:    8 Error= 5.602E-05
+   ==> Level=    7 igr=    8 Error= 5.602E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.493E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.039E-03
+   ==> Step=    4 GR_pot:    9 Error= 2.793E-04
+   ==> Step=    5 GR_pot:    9 Error= 1.002E-04
+   ==> Step=    6 GR_pot:    9 Error= 3.726E-05
+   ==> Level=    7 igr=    9 Error= 3.726E-05 Steps=    6
+   ==> Step=    1 GR_pot:   10 Error= 1.929E-01
+   ==> Step=    2 GR_pot:   10 Error= 6.180E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.267E-02
+   ==> Step=    4 GR_pot:   10 Error= 8.454E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.161E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.182E-03
+   ==> Step=    7 GR_pot:   10 Error= 4.422E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.654E-04
+   ==> Step=    9 GR_pot:   10 Error= 6.189E-05
+   ==> Level=    7 igr=   10 Error= 6.189E-05 Steps=    9
+   0.100000E+01  -0.314935E+01   0.649692E-01  -0.308438E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     42 mcons= 0.00E+00 econs=-3.34E-01 epot=-2.91E-04 ekin= 9.94E-05
+ Fine step=     42 t=-3.14935E+00 dt= 6.497E-02 a= 2.481E-01 mem=16.1% 71.1%
+ Time elapsed since last coarse step:   35.41 s       33.77 mus/pt       35.77 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1631.77002     s
+   ==> Step=    1 GR_pot:    1 Error= 1.166E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.427E-02
+   ==> Step=    3 GR_pot:    1 Error= 4.060E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.460E-03
+   ==> Step=    5 GR_pot:    1 Error= 5.423E-04
+   ==> Step=    6 GR_pot:    1 Error= 2.026E-04
+   ==> Step=    7 GR_pot:    1 Error= 7.576E-05
+   ==> Level=    7 igr=    1 Error= 7.576E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.309E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.818E-02
+   ==> Step=    3 GR_pot:    2 Error= 1.007E-02
+   ==> Step=    4 GR_pot:    2 Error= 3.753E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.403E-03
+   ==> Step=    6 GR_pot:    2 Error= 5.249E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.964E-04
+   ==> Step=    8 GR_pot:    2 Error= 7.345E-05
+   ==> Level=    7 igr=    2 Error= 7.345E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.016E-02
+   ==> Step=    3 GR_pot:    3 Error= 1.504E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.778E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.265E-04
+   ==> Step=    6 GR_pot:    3 Error= 4.613E-05
+   ==> Level=    7 igr=    3 Error= 4.613E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.780E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.796E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.624E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.352E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.056E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.891E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.075E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.647E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.901E-05
+   ==> Level=    7 igr=    4 Error= 9.901E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.417E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.335E-02
+   ==> Step=    3 GR_pot:    5 Error= 4.902E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.926E-03
+   ==> Step=    5 GR_pot:    5 Error= 7.617E-04
+   ==> Step=    6 GR_pot:    5 Error= 3.017E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.195E-04
+   ==> Step=    8 GR_pot:    5 Error= 4.735E-05
+   ==> Level=    7 igr=    5 Error= 4.735E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.417E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.335E-02
+   ==> Step=    3 GR_pot:    6 Error= 4.902E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.926E-03
+   ==> Step=    5 GR_pot:    6 Error= 7.617E-04
+   ==> Step=    6 GR_pot:    6 Error= 3.017E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.195E-04
+   ==> Step=    8 GR_pot:    6 Error= 4.735E-05
+   ==> Level=    7 igr=    6 Error= 4.735E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.860E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.528E-03
+   ==> Step=    4 GR_pot:    7 Error= 5.097E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.886E-04
+   ==> Step=    6 GR_pot:    7 Error= 7.044E-05
+   ==> Level=    7 igr=    7 Error= 7.044E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.072E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.731E-03
+   ==> Step=    4 GR_pot:    8 Error= 9.908E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.699E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.383E-04
+   ==> Step=    7 GR_pot:    8 Error= 5.175E-05
+   ==> Level=    7 igr=    8 Error= 5.175E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.445E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.022E-03
+   ==> Step=    4 GR_pot:    9 Error= 2.741E-04
+   ==> Step=    5 GR_pot:    9 Error= 9.846E-05
+   ==> Level=    7 igr=    9 Error= 9.846E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.876E-01
+   ==> Step=    2 GR_pot:   10 Error= 5.936E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.175E-02
+   ==> Step=    4 GR_pot:   10 Error= 8.111E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.032E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.134E-03
+   ==> Step=    7 GR_pot:   10 Error= 4.243E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.587E-04
+   ==> Step=    9 GR_pot:   10 Error= 5.938E-05
+   ==> Level=    7 igr=   10 Error= 5.938E-05 Steps=    9
+   0.100000E+01  -0.308438E+01   0.635515E-01  -0.302083E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     43 mcons= 0.00E+00 econs=-3.35E-01 epot=-3.09E-04 ekin= 1.06E-04
+ Fine step=     43 t=-3.08438E+00 dt= 6.355E-02 a= 2.527E-01 mem=16.1% 71.1%
+ Time elapsed since last coarse step:   31.88 s       30.40 mus/pt       35.65 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1663.65991     s
+   ==> Step=    1 GR_pot:    1 Error= 1.162E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.391E-02
+   ==> Step=    3 GR_pot:    1 Error= 3.925E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.410E-03
+   ==> Step=    5 GR_pot:    1 Error= 5.240E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.957E-04
+   ==> Step=    7 GR_pot:    1 Error= 7.319E-05
+   ==> Level=    7 igr=    1 Error= 7.319E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.297E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.704E-02
+   ==> Step=    3 GR_pot:    2 Error= 9.632E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.589E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.342E-03
+   ==> Step=    6 GR_pot:    2 Error= 5.020E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.878E-04
+   ==> Step=    8 GR_pot:    2 Error= 7.025E-05
+   ==> Level=    7 igr=    2 Error= 7.025E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    3 Error= 1.001E-02
+   ==> Step=    3 GR_pot:    3 Error= 1.464E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.670E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.230E-04
+   ==> Step=    6 GR_pot:    3 Error= 4.487E-05
+   ==> Level=    7 igr=    3 Error= 4.487E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.769E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.751E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.607E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.346E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.033E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.883E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.042E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.634E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.855E-05
+   ==> Level=    7 igr=    4 Error= 9.855E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.391E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.310E-02
+   ==> Step=    3 GR_pot:    5 Error= 4.803E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.887E-03
+   ==> Step=    5 GR_pot:    5 Error= 7.462E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.956E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.171E-04
+   ==> Step=    8 GR_pot:    5 Error= 4.639E-05
+   ==> Level=    7 igr=    5 Error= 4.639E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.391E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.310E-02
+   ==> Step=    3 GR_pot:    6 Error= 4.803E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.887E-03
+   ==> Step=    5 GR_pot:    6 Error= 7.462E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.956E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.171E-04
+   ==> Step=    8 GR_pot:    6 Error= 4.639E-05
+   ==> Level=    7 igr=    6 Error= 4.639E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.703E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.444E-03
+   ==> Step=    4 GR_pot:    7 Error= 4.767E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.763E-04
+   ==> Step=    6 GR_pot:    7 Error= 6.585E-05
+   ==> Level=    7 igr=    7 Error= 6.585E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.027E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.497E-03
+   ==> Step=    4 GR_pot:    8 Error= 9.014E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.364E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.258E-04
+   ==> Step=    7 GR_pot:    8 Error= 4.707E-05
+   ==> Level=    7 igr=    8 Error= 4.707E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.380E-03
+   ==> Step=    3 GR_pot:    9 Error= 1.004E-03
+   ==> Step=    4 GR_pot:    9 Error= 2.691E-04
+   ==> Step=    5 GR_pot:    9 Error= 9.680E-05
+   ==> Level=    7 igr=    9 Error= 9.680E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.811E-01
+   ==> Step=    2 GR_pot:   10 Error= 5.639E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.063E-02
+   ==> Step=    4 GR_pot:   10 Error= 7.692E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.876E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.076E-03
+   ==> Step=    7 GR_pot:   10 Error= 4.024E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.505E-04
+   ==> Step=    9 GR_pot:   10 Error= 5.631E-05
+   ==> Level=    7 igr=   10 Error= 5.631E-05 Steps=    9
+   0.100000E+01  -0.302083E+01   0.621939E-01  -0.295863E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     44 mcons= 0.00E+00 econs=-3.35E-01 epot=-3.28E-04 ekin= 1.12E-04
+ Fine step=     44 t=-3.02083E+00 dt= 6.219E-02 a= 2.573E-01 mem=16.1% 71.1%
+ Time elapsed since last coarse step:   34.35 s       32.76 mus/pt       35.58 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1698.01001     s
+   ==> Step=    1 GR_pot:    1 Error= 1.155E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.350E-02
+   ==> Step=    3 GR_pot:    1 Error= 3.775E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.356E-03
+   ==> Step=    5 GR_pot:    1 Error= 5.037E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.881E-04
+   ==> Step=    7 GR_pot:    1 Error= 7.036E-05
+   ==> Level=    7 igr=    1 Error= 7.036E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.283E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.607E-02
+   ==> Step=    3 GR_pot:    2 Error= 9.258E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.449E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.290E-03
+   ==> Step=    6 GR_pot:    2 Error= 4.824E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.805E-04
+   ==> Step=    8 GR_pot:    2 Error= 6.751E-05
+   ==> Level=    7 igr=    2 Error= 6.751E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    3 Error= 9.858E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.428E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.571E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.198E-04
+   ==> Step=    6 GR_pot:    3 Error= 4.370E-05
+   ==> Level=    7 igr=    3 Error= 4.370E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.758E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.707E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.590E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.340E-02
+   ==> Step=    5 GR_pot:    4 Error= 5.010E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.874E-03
+   ==> Step=    7 GR_pot:    4 Error= 7.010E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.622E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.810E-05
+   ==> Level=    7 igr=    4 Error= 9.810E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.364E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.286E-02
+   ==> Step=    3 GR_pot:    5 Error= 4.708E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.849E-03
+   ==> Step=    5 GR_pot:    5 Error= 7.315E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.897E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.148E-04
+   ==> Step=    8 GR_pot:    5 Error= 4.547E-05
+   ==> Level=    7 igr=    5 Error= 4.547E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.364E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.286E-02
+   ==> Step=    3 GR_pot:    6 Error= 4.708E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.849E-03
+   ==> Step=    5 GR_pot:    6 Error= 7.315E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.897E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.148E-04
+   ==> Step=    8 GR_pot:    6 Error= 4.547E-05
+   ==> Level=    7 igr=    6 Error= 4.547E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.565E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.387E-03
+   ==> Step=    4 GR_pot:    7 Error= 4.553E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.683E-04
+   ==> Step=    6 GR_pot:    7 Error= 6.286E-05
+   ==> Level=    7 igr=    7 Error= 6.286E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    8 Error= 1.002E-02
+   ==> Step=    3 GR_pot:    8 Error= 2.368E-03
+   ==> Step=    4 GR_pot:    8 Error= 8.519E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.178E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.189E-04
+   ==> Step=    7 GR_pot:    8 Error= 4.447E-05
+   ==> Level=    7 igr=    8 Error= 4.447E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.304E-03
+   ==> Step=    3 GR_pot:    9 Error= 9.842E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.627E-04
+   ==> Step=    5 GR_pot:    9 Error= 9.452E-05
+   ==> Level=    7 igr=    9 Error= 9.452E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.777E-01
+   ==> Step=    2 GR_pot:   10 Error= 5.479E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.003E-02
+   ==> Step=    4 GR_pot:   10 Error= 7.467E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.792E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.044E-03
+   ==> Step=    7 GR_pot:   10 Error= 3.906E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.461E-04
+   ==> Step=    9 GR_pot:   10 Error= 5.466E-05
+   ==> Level=    7 igr=   10 Error= 5.466E-05 Steps=    9
+   0.100000E+01  -0.295863E+01   0.608172E-01  -0.289782E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     45 mcons= 0.00E+00 econs=-3.35E-01 epot=-3.48E-04 ekin= 1.19E-04
+ Fine step=     45 t=-2.95863E+00 dt= 6.082E-02 a= 2.620E-01 mem=16.1% 71.2%
+ Time elapsed since last coarse step:   36.37 s       34.68 mus/pt       35.56 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1734.38000     s
+   ==> Step=    1 GR_pot:    1 Error= 1.150E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.302E-02
+   ==> Step=    3 GR_pot:    1 Error= 3.603E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.293E-03
+   ==> Step=    5 GR_pot:    1 Error= 4.805E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.795E-04
+   ==> Step=    7 GR_pot:    1 Error= 6.712E-05
+   ==> Level=    7 igr=    1 Error= 6.712E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.270E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.521E-02
+   ==> Step=    3 GR_pot:    2 Error= 8.926E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.325E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.243E-03
+   ==> Step=    6 GR_pot:    2 Error= 4.650E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.740E-04
+   ==> Step=    8 GR_pot:    2 Error= 6.508E-05
+   ==> Level=    7 igr=    2 Error= 6.508E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    3 Error= 9.660E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.380E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.443E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.156E-04
+   ==> Step=    6 GR_pot:    3 Error= 4.219E-05
+   ==> Level=    7 igr=    3 Error= 4.219E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.747E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.662E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.574E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.334E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.987E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.865E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.977E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.610E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.764E-05
+   ==> Level=    7 igr=    4 Error= 9.764E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.338E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.262E-02
+   ==> Step=    3 GR_pot:    5 Error= 4.613E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.812E-03
+   ==> Step=    5 GR_pot:    5 Error= 7.166E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.838E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.124E-04
+   ==> Step=    8 GR_pot:    5 Error= 4.455E-05
+   ==> Level=    7 igr=    5 Error= 4.455E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.338E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.262E-02
+   ==> Step=    3 GR_pot:    6 Error= 4.613E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.812E-03
+   ==> Step=    5 GR_pot:    6 Error= 7.166E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.838E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.124E-04
+   ==> Step=    8 GR_pot:    6 Error= 4.455E-05
+   ==> Level=    7 igr=    6 Error= 4.455E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.405E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.330E-03
+   ==> Step=    4 GR_pot:    7 Error= 4.339E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.603E-04
+   ==> Step=    6 GR_pot:    7 Error= 5.989E-05
+   ==> Level=    7 igr=    7 Error= 5.989E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.828E-03
+   ==> Step=    3 GR_pot:    8 Error= 2.263E-03
+   ==> Step=    4 GR_pot:    8 Error= 8.114E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.027E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.132E-04
+   ==> Step=    7 GR_pot:    8 Error= 4.235E-05
+   ==> Level=    7 igr=    8 Error= 4.235E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.218E-03
+   ==> Step=    3 GR_pot:    9 Error= 9.609E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.548E-04
+   ==> Step=    5 GR_pot:    9 Error= 9.167E-05
+   ==> Level=    7 igr=    9 Error= 9.167E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.747E-01
+   ==> Step=    2 GR_pot:   10 Error= 5.336E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.949E-02
+   ==> Step=    4 GR_pot:   10 Error= 7.266E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.716E-03
+   ==> Step=    6 GR_pot:   10 Error= 1.016E-03
+   ==> Step=    7 GR_pot:   10 Error= 3.801E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.422E-04
+   ==> Step=    9 GR_pot:   10 Error= 5.319E-05
+   ==> Level=    7 igr=   10 Error= 5.319E-05 Steps=    9
+   0.100000E+01  -0.289782E+01   0.595795E-01  -0.283824E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     46 mcons= 0.00E+00 econs=-3.35E-01 epot=-3.68E-04 ekin= 1.26E-04
+ Fine step=     46 t=-2.89782E+00 dt= 5.958E-02 a= 2.666E-01 mem=16.1% 71.2%
+ Time elapsed since last coarse step:   36.04 s       34.37 mus/pt       35.54 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1770.40991     s
+   ==> Step=    1 GR_pot:    1 Error= 1.148E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.268E-02
+   ==> Step=    3 GR_pot:    1 Error= 3.479E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.248E-03
+   ==> Step=    5 GR_pot:    1 Error= 4.637E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.732E-04
+   ==> Step=    7 GR_pot:    1 Error= 6.477E-05
+   ==> Level=    7 igr=    1 Error= 6.477E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.257E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.433E-02
+   ==> Step=    3 GR_pot:    2 Error= 8.588E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.199E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.196E-03
+   ==> Step=    6 GR_pot:    2 Error= 4.473E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.673E-04
+   ==> Step=    8 GR_pot:    2 Error= 6.260E-05
+   ==> Level=    7 igr=    2 Error= 6.260E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    3 Error= 9.505E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.338E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.327E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.118E-04
+   ==> Step=    6 GR_pot:    3 Error= 4.083E-05
+   ==> Level=    7 igr=    3 Error= 4.083E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.736E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.617E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.557E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.327E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.963E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.856E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.944E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.598E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.718E-05
+   ==> Level=    7 igr=    4 Error= 9.718E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.310E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.238E-02
+   ==> Step=    3 GR_pot:    5 Error= 4.517E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.774E-03
+   ==> Step=    5 GR_pot:    5 Error= 7.017E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.779E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.101E-04
+   ==> Step=    8 GR_pot:    5 Error= 4.362E-05
+   ==> Level=    7 igr=    5 Error= 4.362E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.310E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.238E-02
+   ==> Step=    3 GR_pot:    6 Error= 4.517E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.774E-03
+   ==> Step=    5 GR_pot:    6 Error= 7.017E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.779E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.101E-04
+   ==> Step=    8 GR_pot:    6 Error= 4.362E-05
+   ==> Level=    7 igr=    6 Error= 4.362E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.290E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.281E-03
+   ==> Step=    4 GR_pot:    7 Error= 4.153E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.534E-04
+   ==> Step=    6 GR_pot:    7 Error= 5.731E-05
+   ==> Level=    7 igr=    7 Error= 5.731E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.615E-03
+   ==> Step=    3 GR_pot:    8 Error= 2.147E-03
+   ==> Step=    4 GR_pot:    8 Error= 7.668E-04
+   ==> Step=    5 GR_pot:    8 Error= 2.860E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.070E-04
+   ==> Step=    7 GR_pot:    8 Error= 4.001E-05
+   ==> Level=    7 igr=    8 Error= 4.001E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.168E-03
+   ==> Step=    3 GR_pot:    9 Error= 9.428E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.483E-04
+   ==> Step=    5 GR_pot:    9 Error= 8.931E-05
+   ==> Level=    7 igr=    9 Error= 8.931E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.714E-01
+   ==> Step=    2 GR_pot:   10 Error= 5.173E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.888E-02
+   ==> Step=    4 GR_pot:   10 Error= 7.037E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.631E-03
+   ==> Step=    6 GR_pot:   10 Error= 9.840E-04
+   ==> Step=    7 GR_pot:   10 Error= 3.681E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.377E-04
+   ==> Step=    9 GR_pot:   10 Error= 5.151E-05
+   ==> Level=    7 igr=   10 Error= 5.151E-05 Steps=    9
+   0.100000E+01  -0.283824E+01   0.574522E-01  -0.278079E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     47 mcons= 0.00E+00 econs=-3.35E-01 epot=-3.90E-04 ekin= 1.33E-04
+ Fine step=     47 t=-2.83824E+00 dt= 5.745E-02 a= 2.713E-01 mem=16.1% 71.2%
+ Time elapsed since last coarse step:   34.18 s       32.59 mus/pt       35.48 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1804.58997     s
+   ==> Step=    1 GR_pot:    1 Error= 1.145E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.253E-02
+   ==> Step=    3 GR_pot:    1 Error= 3.415E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.225E-03
+   ==> Step=    5 GR_pot:    1 Error= 4.549E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.699E-04
+   ==> Step=    7 GR_pot:    1 Error= 6.355E-05
+   ==> Level=    7 igr=    1 Error= 6.355E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.247E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.358E-02
+   ==> Step=    3 GR_pot:    2 Error= 8.297E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.090E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.155E-03
+   ==> Step=    6 GR_pot:    2 Error= 4.321E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.617E-04
+   ==> Step=    8 GR_pot:    2 Error= 6.047E-05
+   ==> Level=    7 igr=    2 Error= 6.047E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    3 Error= 9.465E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.318E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.265E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.098E-04
+   ==> Step=    6 GR_pot:    3 Error= 4.012E-05
+   ==> Level=    7 igr=    3 Error= 4.012E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.726E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.573E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.540E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.321E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.940E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.848E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.912E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.586E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.673E-05
+   ==> Level=    7 igr=    4 Error= 9.673E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.285E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.214E-02
+   ==> Step=    3 GR_pot:    5 Error= 4.423E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.737E-03
+   ==> Step=    5 GR_pot:    5 Error= 6.871E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.721E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.078E-04
+   ==> Step=    8 GR_pot:    5 Error= 4.271E-05
+   ==> Level=    7 igr=    5 Error= 4.271E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.285E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.214E-02
+   ==> Step=    3 GR_pot:    6 Error= 4.423E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.737E-03
+   ==> Step=    5 GR_pot:    6 Error= 6.871E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.721E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.078E-04
+   ==> Step=    8 GR_pot:    6 Error= 4.271E-05
+   ==> Level=    7 igr=    6 Error= 4.271E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.266E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.269E-03
+   ==> Step=    4 GR_pot:    7 Error= 4.109E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.518E-04
+   ==> Step=    6 GR_pot:    7 Error= 5.670E-05
+   ==> Level=    7 igr=    7 Error= 5.670E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.528E-03
+   ==> Step=    3 GR_pot:    8 Error= 2.103E-03
+   ==> Step=    4 GR_pot:    8 Error= 7.497E-04
+   ==> Step=    5 GR_pot:    8 Error= 2.796E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.046E-04
+   ==> Step=    7 GR_pot:    8 Error= 3.912E-05
+   ==> Level=    7 igr=    8 Error= 3.912E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.202E-03
+   ==> Step=    3 GR_pot:    9 Error= 9.421E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.470E-04
+   ==> Step=    5 GR_pot:    9 Error= 8.879E-05
+   ==> Level=    7 igr=    9 Error= 8.879E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.707E-01
+   ==> Step=    2 GR_pot:   10 Error= 5.140E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.875E-02
+   ==> Step=    4 GR_pot:   10 Error= 6.990E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.613E-03
+   ==> Step=    6 GR_pot:   10 Error= 9.774E-04
+   ==> Step=    7 GR_pot:   10 Error= 3.656E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.368E-04
+   ==> Step=    9 GR_pot:   10 Error= 5.117E-05
+   ==> Level=    7 igr=   10 Error= 5.117E-05 Steps=    9
+   0.100000E+01  -0.278079E+01   0.550708E-01  -0.272571E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     48 mcons= 0.00E+00 econs=-3.35E-01 epot=-4.12E-04 ekin= 1.41E-04
+ Fine step=     48 t=-2.78079E+00 dt= 5.507E-02 a= 2.760E-01 mem=16.1% 71.2%
+ Time elapsed since last coarse step:   34.48 s       32.88 mus/pt       35.42 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1839.06995     s
+   ==> Step=    1 GR_pot:    1 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.242E-02
+   ==> Step=    3 GR_pot:    1 Error= 3.368E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.207E-03
+   ==> Step=    5 GR_pot:    1 Error= 4.485E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.675E-04
+   ==> Step=    7 GR_pot:    1 Error= 6.265E-05
+   ==> Level=    7 igr=    1 Error= 6.265E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.237E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.283E-02
+   ==> Step=    3 GR_pot:    2 Error= 8.003E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.980E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.114E-03
+   ==> Step=    6 GR_pot:    2 Error= 4.167E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.559E-04
+   ==> Step=    8 GR_pot:    2 Error= 5.832E-05
+   ==> Level=    7 igr=    2 Error= 5.832E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    3 Error= 9.450E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.301E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.217E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.083E-04
+   ==> Step=    6 GR_pot:    3 Error= 3.959E-05
+   ==> Level=    7 igr=    3 Error= 3.959E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.715E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.528E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.523E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.315E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.917E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.839E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.879E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.574E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.627E-05
+   ==> Level=    7 igr=    4 Error= 9.627E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.260E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.192E-02
+   ==> Step=    3 GR_pot:    5 Error= 4.332E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.701E-03
+   ==> Step=    5 GR_pot:    5 Error= 6.730E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.665E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.056E-04
+   ==> Step=    8 GR_pot:    5 Error= 4.183E-05
+   ==> Level=    7 igr=    5 Error= 4.183E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.260E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.192E-02
+   ==> Step=    3 GR_pot:    6 Error= 4.332E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.701E-03
+   ==> Step=    5 GR_pot:    6 Error= 6.729E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.665E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.056E-04
+   ==> Step=    8 GR_pot:    6 Error= 4.183E-05
+   ==> Level=    7 igr=    6 Error= 4.183E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.252E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.253E-03
+   ==> Step=    4 GR_pot:    7 Error= 4.040E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.492E-04
+   ==> Step=    6 GR_pot:    7 Error= 5.573E-05
+   ==> Level=    7 igr=    7 Error= 5.573E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.390E-03
+   ==> Step=    3 GR_pot:    8 Error= 2.025E-03
+   ==> Step=    4 GR_pot:    8 Error= 7.197E-04
+   ==> Step=    5 GR_pot:    8 Error= 2.683E-04
+   ==> Step=    6 GR_pot:    8 Error= 1.004E-04
+   ==> Step=    7 GR_pot:    8 Error= 3.754E-05
+   ==> Level=    7 igr=    8 Error= 3.754E-05 Steps=    7
+   ==> Step=    1 GR_pot:    9 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.252E-03
+   ==> Step=    3 GR_pot:    9 Error= 9.451E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.472E-04
+   ==> Step=    5 GR_pot:    9 Error= 8.887E-05
+   ==> Level=    7 igr=    9 Error= 8.887E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.688E-01
+   ==> Step=    2 GR_pot:   10 Error= 5.045E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.839E-02
+   ==> Step=    4 GR_pot:   10 Error= 6.856E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.563E-03
+   ==> Step=    6 GR_pot:   10 Error= 9.587E-04
+   ==> Step=    7 GR_pot:   10 Error= 3.586E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.342E-04
+   ==> Step=    9 GR_pot:   10 Error= 5.019E-05
+   ==> Level=    7 igr=   10 Error= 5.019E-05 Steps=    9
+   0.100000E+01  -0.272571E+01   0.519048E-01  -0.267381E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     49 mcons= 0.00E+00 econs=-3.35E-01 epot=-4.35E-04 ekin= 1.49E-04
+ Fine step=     49 t=-2.72571E+00 dt= 5.190E-02 a= 2.806E-01 mem=16.1% 71.2%
+ Time elapsed since last coarse step:   36.61 s       34.91 mus/pt       35.41 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1875.67993     s
+   ==> Step=    1 GR_pot:    1 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.233E-02
+   ==> Step=    3 GR_pot:    1 Error= 3.327E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.192E-03
+   ==> Step=    5 GR_pot:    1 Error= 4.427E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.654E-04
+   ==> Step=    7 GR_pot:    1 Error= 6.185E-05
+   ==> Level=    7 igr=    1 Error= 6.185E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.227E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.227E-02
+   ==> Step=    3 GR_pot:    2 Error= 7.784E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.898E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.083E-03
+   ==> Step=    6 GR_pot:    2 Error= 4.053E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.516E-04
+   ==> Step=    8 GR_pot:    2 Error= 5.671E-05
+   ==> Level=    7 igr=    2 Error= 5.671E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    3 Error= 9.438E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.286E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.172E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.069E-04
+   ==> Step=    6 GR_pot:    3 Error= 3.909E-05
+   ==> Level=    7 igr=    3 Error= 3.909E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.705E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.488E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.508E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.309E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.896E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.831E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.850E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.563E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.586E-05
+   ==> Level=    7 igr=    4 Error= 9.586E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.238E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.170E-02
+   ==> Step=    3 GR_pot:    5 Error= 4.245E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.667E-03
+   ==> Step=    5 GR_pot:    5 Error= 6.593E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.611E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.035E-04
+   ==> Step=    8 GR_pot:    5 Error= 4.099E-05
+   ==> Level=    7 igr=    5 Error= 4.099E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.238E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.170E-02
+   ==> Step=    3 GR_pot:    6 Error= 4.245E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.667E-03
+   ==> Step=    5 GR_pot:    6 Error= 6.593E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.611E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.035E-04
+   ==> Step=    8 GR_pot:    6 Error= 4.099E-05
+   ==> Level=    7 igr=    6 Error= 4.099E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.288E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.259E-03
+   ==> Step=    4 GR_pot:    7 Error= 4.061E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.500E-04
+   ==> Step=    6 GR_pot:    7 Error= 5.601E-05
+   ==> Level=    7 igr=    7 Error= 5.601E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.348E-03
+   ==> Step=    3 GR_pot:    8 Error= 2.004E-03
+   ==> Step=    4 GR_pot:    8 Error= 7.117E-04
+   ==> Step=    5 GR_pot:    8 Error= 2.653E-04
+   ==> Step=    6 GR_pot:    8 Error= 9.924E-05
+   ==> Level=    7 igr=    8 Error= 9.924E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.308E-03
+   ==> Step=    3 GR_pot:    9 Error= 9.510E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.484E-04
+   ==> Step=    5 GR_pot:    9 Error= 8.931E-05
+   ==> Level=    7 igr=    9 Error= 8.931E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.686E-01
+   ==> Step=    2 GR_pot:   10 Error= 5.035E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.835E-02
+   ==> Step=    4 GR_pot:   10 Error= 6.840E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.557E-03
+   ==> Step=    6 GR_pot:   10 Error= 9.565E-04
+   ==> Step=    7 GR_pot:   10 Error= 3.578E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.339E-04
+   ==> Step=    9 GR_pot:   10 Error= 5.007E-05
+   ==> Level=    7 igr=   10 Error= 5.007E-05 Steps=    9
+   0.100000E+01  -0.267381E+01   0.503385E-01  -0.262347E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     50 mcons= 0.00E+00 econs=-3.35E-01 epot=-4.58E-04 ekin= 1.57E-04
+ Fine step=     50 t=-2.67381E+00 dt= 5.034E-02 a= 2.850E-01 mem=16.1% 71.3%
+ Time elapsed since last coarse step:   37.43 s       35.70 mus/pt       35.42 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1913.10999     s
+   ==> Step=    1 GR_pot:    1 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.209E-02
+   ==> Step=    3 GR_pot:    1 Error= 3.233E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.157E-03
+   ==> Step=    5 GR_pot:    1 Error= 4.300E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.606E-04
+   ==> Step=    7 GR_pot:    1 Error= 6.007E-05
+   ==> Level=    7 igr=    1 Error= 6.007E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.216E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.143E-02
+   ==> Step=    3 GR_pot:    2 Error= 7.460E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.776E-03
+   ==> Step=    5 GR_pot:    2 Error= 1.038E-03
+   ==> Step=    6 GR_pot:    2 Error= 3.883E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.453E-04
+   ==> Step=    8 GR_pot:    2 Error= 5.434E-05
+   ==> Level=    7 igr=    2 Error= 5.434E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    3 Error= 9.390E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.264E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.111E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.050E-04
+   ==> Step=    6 GR_pot:    3 Error= 3.842E-05
+   ==> Level=    7 igr=    3 Error= 3.842E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.694E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.442E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.491E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.303E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.871E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.822E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.816E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.550E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.539E-05
+   ==> Level=    7 igr=    4 Error= 9.539E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.220E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.147E-02
+   ==> Step=    3 GR_pot:    5 Error= 4.156E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.632E-03
+   ==> Step=    5 GR_pot:    5 Error= 6.456E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.557E-04
+   ==> Step=    7 GR_pot:    5 Error= 1.013E-04
+   ==> Step=    8 GR_pot:    5 Error= 4.014E-05
+   ==> Level=    7 igr=    5 Error= 4.014E-05 Steps=    8
+   ==> Step=    1 GR_pot:    6 Error= 8.220E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.147E-02
+   ==> Step=    3 GR_pot:    6 Error= 4.156E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.632E-03
+   ==> Step=    5 GR_pot:    6 Error= 6.456E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.557E-04
+   ==> Step=    7 GR_pot:    6 Error= 1.013E-04
+   ==> Step=    8 GR_pot:    6 Error= 4.014E-05
+   ==> Level=    7 igr=    6 Error= 4.014E-05 Steps=    8
+   ==> Step=    1 GR_pot:    7 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.208E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.199E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.816E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.408E-04
+   ==> Step=    6 GR_pot:    7 Error= 5.260E-05
+   ==> Level=    7 igr=    7 Error= 5.260E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    8 Error= 9.055E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.824E-03
+   ==> Step=    4 GR_pot:    8 Error= 6.413E-04
+   ==> Step=    5 GR_pot:    8 Error= 2.389E-04
+   ==> Step=    6 GR_pot:    8 Error= 8.936E-05
+   ==> Level=    7 igr=    8 Error= 8.936E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.322E-03
+   ==> Step=    3 GR_pot:    9 Error= 9.447E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.460E-04
+   ==> Step=    5 GR_pot:    9 Error= 8.848E-05
+   ==> Level=    7 igr=    9 Error= 8.848E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.624E-01
+   ==> Step=    2 GR_pot:   10 Error= 4.726E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.718E-02
+   ==> Step=    4 GR_pot:   10 Error= 6.403E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.394E-03
+   ==> Step=    6 GR_pot:   10 Error= 8.954E-04
+   ==> Step=    7 GR_pot:   10 Error= 3.349E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.253E-04
+   ==> Step=    9 GR_pot:   10 Error= 4.687E-05
+   ==> Level=    7 igr=   10 Error= 4.687E-05 Steps=    9
+   0.100000E+01  -0.262347E+01   0.493117E-01  -0.257416E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     51 mcons= 0.00E+00 econs=-3.35E-01 epot=-4.81E-04 ekin= 1.65E-04
+ Fine step=     51 t=-2.62347E+00 dt= 4.931E-02 a= 2.894E-01 mem=16.1% 71.3%
+ Time elapsed since last coarse step:   42.96 s       40.97 mus/pt       35.53 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1956.07996     s
+   ==> Step=    1 GR_pot:    1 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.187E-02
+   ==> Step=    3 GR_pot:    1 Error= 3.141E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.124E-03
+   ==> Step=    5 GR_pot:    1 Error= 4.174E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.559E-04
+   ==> Step=    7 GR_pot:    1 Error= 5.832E-05
+   ==> Level=    7 igr=    1 Error= 5.832E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.207E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.071E-02
+   ==> Step=    3 GR_pot:    2 Error= 7.180E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.672E-03
+   ==> Step=    5 GR_pot:    2 Error= 9.989E-04
+   ==> Step=    6 GR_pot:    2 Error= 3.737E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.398E-04
+   ==> Step=    8 GR_pot:    2 Error= 5.229E-05
+   ==> Level=    7 igr=    2 Error= 5.229E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    3 Error= 9.351E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.244E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.057E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.034E-04
+   ==> Step=    6 GR_pot:    3 Error= 3.783E-05
+   ==> Level=    7 igr=    3 Error= 3.783E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.683E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.396E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.474E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.297E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.848E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.813E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.783E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.537E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.492E-05
+   ==> Level=    7 igr=    4 Error= 9.492E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.206E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.126E-02
+   ==> Step=    3 GR_pot:    5 Error= 4.072E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.599E-03
+   ==> Step=    5 GR_pot:    5 Error= 6.324E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.505E-04
+   ==> Step=    7 GR_pot:    5 Error= 9.923E-05
+   ==> Level=    7 igr=    5 Error= 9.923E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.206E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.126E-02
+   ==> Step=    3 GR_pot:    6 Error= 4.072E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.599E-03
+   ==> Step=    5 GR_pot:    6 Error= 6.324E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.505E-04
+   ==> Step=    7 GR_pot:    6 Error= 9.923E-05
+   ==> Level=    7 igr=    6 Error= 9.923E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.143E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.156E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.642E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.343E-04
+   ==> Step=    6 GR_pot:    7 Error= 5.016E-05
+   ==> Level=    7 igr=    7 Error= 5.016E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.865E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.710E-03
+   ==> Step=    4 GR_pot:    8 Error= 5.964E-04
+   ==> Step=    5 GR_pot:    8 Error= 2.221E-04
+   ==> Step=    6 GR_pot:    8 Error= 8.306E-05
+   ==> Level=    7 igr=    8 Error= 8.306E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.329E-03
+   ==> Step=    3 GR_pot:    9 Error= 9.393E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.438E-04
+   ==> Step=    5 GR_pot:    9 Error= 8.773E-05
+   ==> Level=    7 igr=    9 Error= 8.773E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.585E-01
+   ==> Step=    2 GR_pot:   10 Error= 4.529E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.644E-02
+   ==> Step=    4 GR_pot:   10 Error= 6.124E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.290E-03
+   ==> Step=    6 GR_pot:   10 Error= 8.564E-04
+   ==> Step=    7 GR_pot:   10 Error= 3.204E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.198E-04
+   ==> Step=    9 GR_pot:   10 Error= 4.483E-05
+   ==> Level=    7 igr=   10 Error= 4.483E-05 Steps=    9
+   0.100000E+01  -0.257416E+01   0.475611E-01  -0.252660E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     52 mcons= 0.00E+00 econs=-3.35E-01 epot=-5.06E-04 ekin= 1.73E-04
+ Fine step=     52 t=-2.57416E+00 dt= 4.756E-02 a= 2.939E-01 mem=16.1% 71.3%
+ Time elapsed since last coarse step:   30.32 s       28.91 mus/pt       35.40 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   1986.39001     s
+   ==> Step=    1 GR_pot:    1 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.164E-02
+   ==> Step=    3 GR_pot:    1 Error= 3.048E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.089E-03
+   ==> Step=    5 GR_pot:    1 Error= 4.047E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.512E-04
+   ==> Step=    7 GR_pot:    1 Error= 5.654E-05
+   ==> Level=    7 igr=    1 Error= 5.654E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.207E-01
+   ==> Step=    2 GR_pot:    2 Error= 2.026E-02
+   ==> Step=    3 GR_pot:    2 Error= 6.998E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.603E-03
+   ==> Step=    5 GR_pot:    2 Error= 9.734E-04
+   ==> Step=    6 GR_pot:    2 Error= 3.641E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.362E-04
+   ==> Step=    8 GR_pot:    2 Error= 5.095E-05
+   ==> Level=    7 igr=    2 Error= 5.095E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    3 Error= 9.303E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.226E-03
+   ==> Step=    4 GR_pot:    3 Error= 3.006E-04
+   ==> Step=    5 GR_pot:    3 Error= 1.018E-04
+   ==> Step=    6 GR_pot:    3 Error= 3.726E-05
+   ==> Level=    7 igr=    3 Error= 3.726E-05 Steps=    6
+   ==> Step=    1 GR_pot:    4 Error= 2.673E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.354E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.458E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.291E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.826E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.805E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.752E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.526E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.449E-05
+   ==> Level=    7 igr=    4 Error= 9.449E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.198E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.108E-02
+   ==> Step=    3 GR_pot:    5 Error= 4.000E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.571E-03
+   ==> Step=    5 GR_pot:    5 Error= 6.212E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.460E-04
+   ==> Step=    7 GR_pot:    5 Error= 9.748E-05
+   ==> Level=    7 igr=    5 Error= 9.748E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.198E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.108E-02
+   ==> Step=    3 GR_pot:    6 Error= 4.000E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.571E-03
+   ==> Step=    5 GR_pot:    6 Error= 6.212E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.460E-04
+   ==> Step=    7 GR_pot:    6 Error= 9.748E-05
+   ==> Level=    7 igr=    6 Error= 9.748E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.100E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.138E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.576E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.318E-04
+   ==> Step=    6 GR_pot:    7 Error= 4.924E-05
+   ==> Level=    7 igr=    7 Error= 4.924E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.824E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.686E-03
+   ==> Step=    4 GR_pot:    8 Error= 5.870E-04
+   ==> Step=    5 GR_pot:    8 Error= 2.186E-04
+   ==> Step=    6 GR_pot:    8 Error= 8.174E-05
+   ==> Level=    7 igr=    8 Error= 8.174E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.320E-03
+   ==> Step=    3 GR_pot:    9 Error= 9.340E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.417E-04
+   ==> Step=    5 GR_pot:    9 Error= 8.695E-05
+   ==> Level=    7 igr=    9 Error= 8.695E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.582E-01
+   ==> Step=    2 GR_pot:   10 Error= 4.510E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.636E-02
+   ==> Step=    4 GR_pot:   10 Error= 6.096E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.279E-03
+   ==> Step=    6 GR_pot:   10 Error= 8.524E-04
+   ==> Step=    7 GR_pot:   10 Error= 3.189E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.193E-04
+   ==> Step=    9 GR_pot:   10 Error= 4.463E-05
+   ==> Level=    7 igr=   10 Error= 4.463E-05 Steps=    9
+   0.100000E+01  -0.252660E+01   0.468232E-01  -0.247978E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     53 mcons= 0.00E+00 econs=-3.35E-01 epot=-5.31E-04 ekin= 1.82E-04
+ Fine step=     53 t=-2.52660E+00 dt= 4.682E-02 a= 2.982E-01 mem=16.1% 71.3%
+ Time elapsed since last coarse step:   32.15 s       30.66 mus/pt       35.31 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2018.53992     s
+   ==> Step=    1 GR_pot:    1 Error= 1.148E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.139E-02
+   ==> Step=    3 GR_pot:    1 Error= 2.945E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.052E-03
+   ==> Step=    5 GR_pot:    1 Error= 3.907E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.459E-04
+   ==> Step=    7 GR_pot:    1 Error= 5.458E-05
+   ==> Level=    7 igr=    1 Error= 5.458E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.211E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.972E-02
+   ==> Step=    3 GR_pot:    2 Error= 6.778E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.521E-03
+   ==> Step=    5 GR_pot:    2 Error= 9.426E-04
+   ==> Step=    6 GR_pot:    2 Error= 3.526E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.319E-04
+   ==> Step=    8 GR_pot:    2 Error= 4.934E-05
+   ==> Level=    7 igr=    2 Error= 4.934E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    3 Error= 9.172E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.193E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.921E-04
+   ==> Step=    5 GR_pot:    3 Error= 9.906E-05
+   ==> Level=    7 igr=    3 Error= 9.906E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.661E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.306E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.440E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.284E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.800E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.796E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.717E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.513E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.400E-05
+   ==> Level=    7 igr=    4 Error= 9.400E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.190E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.091E-02
+   ==> Step=    3 GR_pot:    5 Error= 3.931E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.543E-03
+   ==> Step=    5 GR_pot:    5 Error= 6.105E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.418E-04
+   ==> Step=    7 GR_pot:    5 Error= 9.579E-05
+   ==> Level=    7 igr=    5 Error= 9.579E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.190E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.091E-02
+   ==> Step=    3 GR_pot:    6 Error= 3.931E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.543E-03
+   ==> Step=    5 GR_pot:    6 Error= 6.105E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.418E-04
+   ==> Step=    7 GR_pot:    6 Error= 9.579E-05
+   ==> Level=    7 igr=    6 Error= 9.579E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.012E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.088E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.370E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.241E-04
+   ==> Step=    6 GR_pot:    7 Error= 4.637E-05
+   ==> Level=    7 igr=    7 Error= 4.637E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.647E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.558E-03
+   ==> Step=    4 GR_pot:    8 Error= 5.361E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.995E-04
+   ==> Step=    6 GR_pot:    8 Error= 7.460E-05
+   ==> Level=    7 igr=    8 Error= 7.460E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.239E-03
+   ==> Step=    3 GR_pot:    9 Error= 9.109E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.336E-04
+   ==> Step=    5 GR_pot:    9 Error= 8.402E-05
+   ==> Level=    7 igr=    9 Error= 8.402E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.531E-01
+   ==> Step=    2 GR_pot:   10 Error= 4.246E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.536E-02
+   ==> Step=    4 GR_pot:   10 Error= 5.722E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.139E-03
+   ==> Step=    6 GR_pot:   10 Error= 8.001E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.993E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.120E-04
+   ==> Step=    9 GR_pot:   10 Error= 4.188E-05
+   ==> Level=    7 igr=   10 Error= 4.188E-05 Steps=    9
+   0.100000E+01  -0.247978E+01   0.457573E-01  -0.243402E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     54 mcons= 0.00E+00 econs=-3.35E-01 epot=-5.57E-04 ekin= 1.91E-04
+ Fine step=     54 t=-2.47978E+00 dt= 4.576E-02 a= 3.026E-01 mem=16.1% 71.3%
+ Time elapsed since last coarse step:   31.94 s       30.46 mus/pt       35.22 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2050.47998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.123E-02
+   ==> Step=    3 GR_pot:    1 Error= 2.879E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.027E-03
+   ==> Step=    5 GR_pot:    1 Error= 3.816E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.426E-04
+   ==> Step=    7 GR_pot:    1 Error= 5.331E-05
+   ==> Level=    7 igr=    1 Error= 5.331E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.215E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.932E-02
+   ==> Step=    3 GR_pot:    2 Error= 6.615E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.460E-03
+   ==> Step=    5 GR_pot:    2 Error= 9.197E-04
+   ==> Step=    6 GR_pot:    2 Error= 3.440E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.287E-04
+   ==> Step=    8 GR_pot:    2 Error= 4.814E-05
+   ==> Level=    7 igr=    2 Error= 4.814E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    3 Error= 9.025E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.162E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.846E-04
+   ==> Step=    5 GR_pot:    3 Error= 9.673E-05
+   ==> Level=    7 igr=    3 Error= 9.673E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.650E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.262E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.424E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.278E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.778E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.787E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.685E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.501E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.355E-05
+   ==> Level=    7 igr=    4 Error= 9.355E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.181E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.075E-02
+   ==> Step=    3 GR_pot:    5 Error= 3.866E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.518E-03
+   ==> Step=    5 GR_pot:    5 Error= 6.004E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.378E-04
+   ==> Step=    7 GR_pot:    5 Error= 9.420E-05
+   ==> Level=    7 igr=    5 Error= 9.420E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.181E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.075E-02
+   ==> Step=    3 GR_pot:    6 Error= 3.866E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.518E-03
+   ==> Step=    5 GR_pot:    6 Error= 6.004E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.378E-04
+   ==> Step=    7 GR_pot:    6 Error= 9.420E-05
+   ==> Level=    7 igr=    6 Error= 9.420E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.997E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.080E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.338E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.229E-04
+   ==> Step=    6 GR_pot:    7 Error= 4.591E-05
+   ==> Level=    7 igr=    7 Error= 4.591E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.592E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.519E-03
+   ==> Step=    4 GR_pot:    8 Error= 5.203E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.936E-04
+   ==> Step=    6 GR_pot:    8 Error= 7.238E-05
+   ==> Level=    7 igr=    8 Error= 7.238E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.163E-03
+   ==> Step=    3 GR_pot:    9 Error= 8.958E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.291E-04
+   ==> Step=    5 GR_pot:    9 Error= 8.238E-05
+   ==> Level=    7 igr=    9 Error= 8.238E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.519E-01
+   ==> Step=    2 GR_pot:   10 Error= 4.179E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.510E-02
+   ==> Step=    4 GR_pot:   10 Error= 5.625E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.103E-03
+   ==> Step=    6 GR_pot:   10 Error= 7.866E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.942E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.101E-04
+   ==> Step=    9 GR_pot:   10 Error= 4.118E-05
+   ==> Level=    7 igr=   10 Error= 4.118E-05 Steps=    9
+   0.100000E+01  -0.243402E+01   0.450943E-01  -0.238892E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     55 mcons= 0.00E+00 econs=-3.35E-01 epot=-5.84E-04 ekin= 2.00E-04
+ Fine step=     55 t=-2.43402E+00 dt= 4.509E-02 a= 3.070E-01 mem=16.1% 71.4%
+ Time elapsed since last coarse step:   31.84 s       30.36 mus/pt       35.14 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2082.32007     s
+   ==> Step=    1 GR_pot:    1 Error= 1.142E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.110E-02
+   ==> Step=    3 GR_pot:    1 Error= 2.823E-03
+   ==> Step=    4 GR_pot:    1 Error= 1.007E-03
+   ==> Step=    5 GR_pot:    1 Error= 3.740E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.397E-04
+   ==> Step=    7 GR_pot:    1 Error= 5.224E-05
+   ==> Level=    7 igr=    1 Error= 5.224E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.214E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.887E-02
+   ==> Step=    3 GR_pot:    2 Error= 6.435E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.392E-03
+   ==> Step=    5 GR_pot:    2 Error= 8.944E-04
+   ==> Step=    6 GR_pot:    2 Error= 3.346E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.252E-04
+   ==> Step=    8 GR_pot:    2 Error= 4.682E-05
+   ==> Level=    7 igr=    2 Error= 4.682E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    3 Error= 8.849E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.127E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.758E-04
+   ==> Step=    5 GR_pot:    3 Error= 9.389E-05
+   ==> Level=    7 igr=    3 Error= 9.389E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.639E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.217E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.407E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.271E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.754E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.778E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.652E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.488E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.309E-05
+   ==> Level=    7 igr=    4 Error= 9.309E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.169E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.059E-02
+   ==> Step=    3 GR_pot:    5 Error= 3.801E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.493E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.904E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.338E-04
+   ==> Step=    7 GR_pot:    5 Error= 9.263E-05
+   ==> Level=    7 igr=    5 Error= 9.263E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.169E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.059E-02
+   ==> Step=    3 GR_pot:    6 Error= 3.801E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.493E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.904E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.338E-04
+   ==> Step=    7 GR_pot:    6 Error= 9.263E-05
+   ==> Level=    7 igr=    6 Error= 9.263E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.999E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.067E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.275E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.205E-04
+   ==> Step=    6 GR_pot:    7 Error= 4.502E-05
+   ==> Level=    7 igr=    7 Error= 4.502E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.484E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.442E-03
+   ==> Step=    4 GR_pot:    8 Error= 4.892E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.819E-04
+   ==> Step=    6 GR_pot:    8 Error= 6.801E-05
+   ==> Level=    7 igr=    8 Error= 6.801E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.069E-03
+   ==> Step=    3 GR_pot:    9 Error= 8.757E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.225E-04
+   ==> Step=    5 GR_pot:    9 Error= 7.999E-05
+   ==> Level=    7 igr=    9 Error= 7.999E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.487E-01
+   ==> Step=    2 GR_pot:   10 Error= 4.007E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.445E-02
+   ==> Step=    4 GR_pot:   10 Error= 5.380E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.011E-03
+   ==> Step=    6 GR_pot:   10 Error= 7.522E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.814E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.053E-04
+   ==> Step=    9 GR_pot:   10 Error= 3.938E-05
+   ==> Level=    7 igr=   10 Error= 3.938E-05 Steps=    9
+   0.100000E+01  -0.238892E+01   0.445023E-01  -0.234442E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     56 mcons= 0.00E+00 econs=-3.35E-01 epot=-6.12E-04 ekin= 2.10E-04
+ Fine step=     56 t=-2.38892E+00 dt= 4.450E-02 a= 3.115E-01 mem=16.1% 71.4%
+ Time elapsed since last coarse step:   31.87 s       30.39 mus/pt       35.05 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2114.18994     s
+   ==> Step=    1 GR_pot:    1 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.102E-02
+   ==> Step=    3 GR_pot:    1 Error= 2.783E-03
+   ==> Step=    4 GR_pot:    1 Error= 9.916E-04
+   ==> Step=    5 GR_pot:    1 Error= 3.683E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.376E-04
+   ==> Step=    7 GR_pot:    1 Error= 5.145E-05
+   ==> Level=    7 igr=    1 Error= 5.145E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.210E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.847E-02
+   ==> Step=    3 GR_pot:    2 Error= 6.274E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.332E-03
+   ==> Step=    5 GR_pot:    2 Error= 8.718E-04
+   ==> Step=    6 GR_pot:    2 Error= 3.261E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.220E-04
+   ==> Step=    8 GR_pot:    2 Error= 4.564E-05
+   ==> Level=    7 igr=    2 Error= 4.564E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    3 Error= 8.714E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.099E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.686E-04
+   ==> Step=    5 GR_pot:    3 Error= 9.157E-05
+   ==> Level=    7 igr=    3 Error= 9.157E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.628E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.171E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.390E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.265E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.730E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.769E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.618E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.476E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.262E-05
+   ==> Level=    7 igr=    4 Error= 9.262E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.155E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.042E-02
+   ==> Step=    3 GR_pot:    5 Error= 3.731E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.465E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.795E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.295E-04
+   ==> Step=    7 GR_pot:    5 Error= 9.092E-05
+   ==> Level=    7 igr=    5 Error= 9.092E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.155E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.042E-02
+   ==> Step=    3 GR_pot:    6 Error= 3.731E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.465E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.795E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.295E-04
+   ==> Step=    7 GR_pot:    6 Error= 9.092E-05
+   ==> Level=    7 igr=    6 Error= 9.092E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.043E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.067E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.262E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.200E-04
+   ==> Step=    6 GR_pot:    7 Error= 4.483E-05
+   ==> Level=    7 igr=    7 Error= 4.483E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.422E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.389E-03
+   ==> Step=    4 GR_pot:    8 Error= 4.677E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.738E-04
+   ==> Step=    6 GR_pot:    8 Error= 6.497E-05
+   ==> Level=    7 igr=    8 Error= 6.497E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.006E-03
+   ==> Step=    3 GR_pot:    9 Error= 8.611E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.175E-04
+   ==> Step=    5 GR_pot:    9 Error= 7.816E-05
+   ==> Level=    7 igr=    9 Error= 7.816E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.465E-01
+   ==> Step=    2 GR_pot:   10 Error= 3.884E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.397E-02
+   ==> Step=    4 GR_pot:   10 Error= 5.203E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.945E-03
+   ==> Step=    6 GR_pot:   10 Error= 7.274E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.721E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.018E-04
+   ==> Step=    9 GR_pot:   10 Error= 3.808E-05
+   ==> Level=    7 igr=   10 Error= 3.808E-05 Steps=    9
+   0.100000E+01  -0.234442E+01   0.423498E-01  -0.230207E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     57 mcons= 0.00E+00 econs=-3.35E-01 epot=-6.41E-04 ekin= 2.20E-04
+ Fine step=     57 t=-2.34442E+00 dt= 4.235E-02 a= 3.160E-01 mem=16.1% 71.4%
+ Time elapsed since last coarse step:   30.00 s       28.61 mus/pt       34.94 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2144.17993     s
+   ==> Step=    1 GR_pot:    1 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.101E-02
+   ==> Step=    3 GR_pot:    1 Error= 2.761E-03
+   ==> Step=    4 GR_pot:    1 Error= 9.831E-04
+   ==> Step=    5 GR_pot:    1 Error= 3.651E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.364E-04
+   ==> Step=    7 GR_pot:    1 Error= 5.101E-05
+   ==> Level=    7 igr=    1 Error= 5.101E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.204E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.836E-02
+   ==> Step=    3 GR_pot:    2 Error= 6.227E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.314E-03
+   ==> Step=    5 GR_pot:    2 Error= 8.652E-04
+   ==> Step=    6 GR_pot:    2 Error= 3.237E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.211E-04
+   ==> Step=    8 GR_pot:    2 Error= 4.529E-05
+   ==> Level=    7 igr=    2 Error= 4.529E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.111E-01
+   ==> Step=    2 GR_pot:    3 Error= 8.647E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.083E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.645E-04
+   ==> Step=    5 GR_pot:    3 Error= 9.026E-05
+   ==> Level=    7 igr=    3 Error= 9.026E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.619E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.131E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.375E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.259E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.709E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.761E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.589E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.465E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.221E-05
+   ==> Level=    7 igr=    4 Error= 9.221E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.140E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.025E-02
+   ==> Step=    3 GR_pot:    5 Error= 3.665E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.439E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.692E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.254E-04
+   ==> Step=    7 GR_pot:    5 Error= 8.930E-05
+   ==> Level=    7 igr=    5 Error= 8.930E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.140E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.025E-02
+   ==> Step=    3 GR_pot:    6 Error= 3.665E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.439E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.692E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.254E-04
+   ==> Step=    7 GR_pot:    6 Error= 8.930E-05
+   ==> Level=    7 igr=    6 Error= 8.930E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.134E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.100E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.386E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.246E-04
+   ==> Step=    6 GR_pot:    7 Error= 4.655E-05
+   ==> Level=    7 igr=    7 Error= 4.655E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.504E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.443E-03
+   ==> Step=    4 GR_pot:    8 Error= 4.893E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.819E-04
+   ==> Step=    6 GR_pot:    8 Error= 6.802E-05
+   ==> Level=    7 igr=    8 Error= 6.802E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.997E-03
+   ==> Step=    3 GR_pot:    9 Error= 8.600E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.168E-04
+   ==> Step=    5 GR_pot:    9 Error= 7.787E-05
+   ==> Level=    7 igr=    9 Error= 7.787E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.490E-01
+   ==> Step=    2 GR_pot:   10 Error= 4.020E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.449E-02
+   ==> Step=    4 GR_pot:   10 Error= 5.397E-03
+   ==> Step=    5 GR_pot:   10 Error= 2.018E-03
+   ==> Step=    6 GR_pot:   10 Error= 7.546E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.823E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.056E-04
+   ==> Step=    9 GR_pot:   10 Error= 3.950E-05
+   ==> Level=    7 igr=   10 Error= 3.950E-05 Steps=    9
+   0.100000E+01  -0.230207E+01   0.401800E-01  -0.226189E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     58 mcons= 0.00E+00 econs=-3.35E-01 epot=-6.70E-04 ekin= 2.30E-04
+ Fine step=     58 t=-2.30207E+00 dt= 4.018E-02 a= 3.203E-01 mem=16.1% 71.4%
+ Time elapsed since last coarse step:   32.38 s       30.88 mus/pt       34.87 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2176.57007     s
+   ==> Step=    1 GR_pot:    1 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.091E-02
+   ==> Step=    3 GR_pot:    1 Error= 2.708E-03
+   ==> Step=    4 GR_pot:    1 Error= 9.631E-04
+   ==> Step=    5 GR_pot:    1 Error= 3.577E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.336E-04
+   ==> Step=    7 GR_pot:    1 Error= 4.997E-05
+   ==> Level=    7 igr=    1 Error= 4.997E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.194E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.810E-02
+   ==> Step=    3 GR_pot:    2 Error= 6.122E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.275E-03
+   ==> Step=    5 GR_pot:    2 Error= 8.505E-04
+   ==> Step=    6 GR_pot:    2 Error= 3.181E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.190E-04
+   ==> Step=    8 GR_pot:    2 Error= 4.452E-05
+   ==> Level=    7 igr=    2 Error= 4.452E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.111E-01
+   ==> Step=    2 GR_pot:    3 Error= 8.569E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.064E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.593E-04
+   ==> Step=    5 GR_pot:    3 Error= 8.858E-05
+   ==> Level=    7 igr=    3 Error= 8.858E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.608E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.084E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.357E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.253E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.684E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.752E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.554E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.452E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.172E-05
+   ==> Level=    7 igr=    4 Error= 9.172E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.127E-02
+   ==> Step=    2 GR_pot:    5 Error= 1.012E-02
+   ==> Step=    3 GR_pot:    5 Error= 3.611E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.418E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.608E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.221E-04
+   ==> Step=    7 GR_pot:    5 Error= 8.799E-05
+   ==> Level=    7 igr=    5 Error= 8.799E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.127E-02
+   ==> Step=    2 GR_pot:    6 Error= 1.012E-02
+   ==> Step=    3 GR_pot:    6 Error= 3.611E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.418E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.608E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.221E-04
+   ==> Step=    7 GR_pot:    6 Error= 8.799E-05
+   ==> Level=    7 igr=    6 Error= 8.799E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.146E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.089E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.335E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.227E-04
+   ==> Step=    6 GR_pot:    7 Error= 4.584E-05
+   ==> Level=    7 igr=    7 Error= 4.584E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.442E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.398E-03
+   ==> Step=    4 GR_pot:    8 Error= 4.709E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.750E-04
+   ==> Step=    6 GR_pot:    8 Error= 6.543E-05
+   ==> Level=    7 igr=    8 Error= 6.543E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.968E-03
+   ==> Step=    3 GR_pot:    9 Error= 8.520E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.137E-04
+   ==> Step=    5 GR_pot:    9 Error= 7.673E-05
+   ==> Level=    7 igr=    9 Error= 7.673E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.472E-01
+   ==> Step=    2 GR_pot:   10 Error= 3.921E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.411E-02
+   ==> Step=    4 GR_pot:   10 Error= 5.255E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.964E-03
+   ==> Step=    6 GR_pot:   10 Error= 7.348E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.749E-04
+   ==> Step=    8 GR_pot:   10 Error= 1.028E-04
+   ==> Step=    9 GR_pot:   10 Error= 3.847E-05
+   ==> Level=    7 igr=   10 Error= 3.847E-05 Steps=    9
+   0.100000E+01  -0.226189E+01   0.397668E-01  -0.222213E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     59 mcons= 0.00E+00 econs=-3.35E-01 epot=-7.00E-04 ekin= 2.40E-04
+ Fine step=     59 t=-2.26189E+00 dt= 3.977E-02 a= 3.245E-01 mem=16.1% 71.4%
+ Time elapsed since last coarse step:   39.84 s       37.99 mus/pt       34.93 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2216.40991     s
+   ==> Step=    1 GR_pot:    1 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.070E-02
+   ==> Step=    3 GR_pot:    1 Error= 2.609E-03
+   ==> Step=    4 GR_pot:    1 Error= 9.261E-04
+   ==> Step=    5 GR_pot:    1 Error= 3.439E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.285E-04
+   ==> Step=    7 GR_pot:    1 Error= 4.805E-05
+   ==> Level=    7 igr=    1 Error= 4.805E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.182E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.739E-02
+   ==> Step=    3 GR_pot:    2 Error= 5.840E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.170E-03
+   ==> Step=    5 GR_pot:    2 Error= 8.111E-04
+   ==> Step=    6 GR_pot:    2 Error= 3.034E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.135E-04
+   ==> Step=    8 GR_pot:    2 Error= 4.246E-05
+   ==> Level=    7 igr=    2 Error= 4.246E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    3 Error= 8.478E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.038E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.526E-04
+   ==> Step=    5 GR_pot:    3 Error= 8.642E-05
+   ==> Level=    7 igr=    3 Error= 8.642E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.592E-01
+   ==> Step=    2 GR_pot:    4 Error= 9.020E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.333E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.244E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.651E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.740E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.507E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.434E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.107E-05
+   ==> Level=    7 igr=    4 Error= 9.107E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.116E-02
+   ==> Step=    2 GR_pot:    5 Error= 9.985E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.557E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.396E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.524E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.188E-04
+   ==> Step=    7 GR_pot:    5 Error= 8.667E-05
+   ==> Level=    7 igr=    5 Error= 8.667E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.116E-02
+   ==> Step=    2 GR_pot:    6 Error= 9.985E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.557E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.396E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.524E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.188E-04
+   ==> Step=    7 GR_pot:    6 Error= 8.667E-05
+   ==> Level=    7 igr=    6 Error= 8.667E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.067E-03
+   ==> Step=    3 GR_pot:    7 Error= 1.029E-03
+   ==> Step=    4 GR_pot:    7 Error= 3.074E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.129E-04
+   ==> Step=    6 GR_pot:    7 Error= 4.216E-05
+   ==> Level=    7 igr=    7 Error= 4.216E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.212E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.229E-03
+   ==> Step=    4 GR_pot:    8 Error= 4.010E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.487E-04
+   ==> Step=    6 GR_pot:    8 Error= 5.559E-05
+   ==> Level=    7 igr=    8 Error= 5.559E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.910E-03
+   ==> Step=    3 GR_pot:    9 Error= 8.329E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.067E-04
+   ==> Step=    5 GR_pot:    9 Error= 7.416E-05
+   ==> Level=    7 igr=    9 Error= 7.416E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.400E-01
+   ==> Step=    2 GR_pot:   10 Error= 3.510E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.254E-02
+   ==> Step=    4 GR_pot:   10 Error= 4.665E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.744E-03
+   ==> Step=    6 GR_pot:   10 Error= 6.522E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.440E-04
+   ==> Step=    8 GR_pot:   10 Error= 9.127E-05
+   ==> Level=    7 igr=   10 Error= 9.127E-05 Steps=    8
+   0.100000E+01  -0.222213E+01   0.397454E-01  -0.218238E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     60 mcons= 0.00E+00 econs=-3.35E-01 epot=-7.31E-04 ekin= 2.51E-04
+ Fine step=     60 t=-2.22213E+00 dt= 3.975E-02 a= 3.288E-01 mem=16.1% 71.4%
+ Time elapsed since last coarse step:   49.69 s       47.38 mus/pt       35.13 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2266.18994     s
+   ==> Step=    1 GR_pot:    1 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.051E-02
+   ==> Step=    3 GR_pot:    1 Error= 2.519E-03
+   ==> Step=    4 GR_pot:    1 Error= 8.928E-04
+   ==> Step=    5 GR_pot:    1 Error= 3.315E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.239E-04
+   ==> Step=    7 GR_pot:    1 Error= 4.632E-05
+   ==> Level=    7 igr=    1 Error= 4.632E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.176E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.672E-02
+   ==> Step=    3 GR_pot:    2 Error= 5.573E-03
+   ==> Step=    4 GR_pot:    2 Error= 2.070E-03
+   ==> Step=    5 GR_pot:    2 Error= 7.737E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.894E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.083E-04
+   ==> Step=    8 GR_pot:    2 Error= 4.050E-05
+   ==> Level=    7 igr=    2 Error= 4.050E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    3 Error= 8.416E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.019E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.473E-04
+   ==> Step=    5 GR_pot:    3 Error= 8.472E-05
+   ==> Level=    7 igr=    3 Error= 8.472E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.577E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.955E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.309E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.235E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.617E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.727E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.460E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.417E-04
+   ==> Step=    9 GR_pot:    4 Error= 9.041E-05
+   ==> Level=    7 igr=    4 Error= 9.041E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.107E-02
+   ==> Step=    2 GR_pot:    5 Error= 9.868E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.510E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.378E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.449E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.158E-04
+   ==> Step=    7 GR_pot:    5 Error= 8.550E-05
+   ==> Level=    7 igr=    5 Error= 8.550E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.107E-02
+   ==> Step=    2 GR_pot:    6 Error= 9.868E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.509E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.378E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.449E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.158E-04
+   ==> Step=    7 GR_pot:    6 Error= 8.550E-05
+   ==> Level=    7 igr=    6 Error= 8.550E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.021E-03
+   ==> Step=    3 GR_pot:    7 Error= 9.948E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.929E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.075E-04
+   ==> Step=    6 GR_pot:    7 Error= 4.012E-05
+   ==> Level=    7 igr=    7 Error= 4.012E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.085E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.142E-03
+   ==> Step=    4 GR_pot:    8 Error= 3.648E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.350E-04
+   ==> Step=    6 GR_pot:    8 Error= 5.048E-05
+   ==> Level=    7 igr=    8 Error= 5.048E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.874E-03
+   ==> Step=    3 GR_pot:    9 Error= 8.194E-04
+   ==> Step=    4 GR_pot:    9 Error= 2.014E-04
+   ==> Step=    5 GR_pot:    9 Error= 7.220E-05
+   ==> Level=    7 igr=    9 Error= 7.220E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.366E-01
+   ==> Step=    2 GR_pot:   10 Error= 3.308E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.176E-02
+   ==> Step=    4 GR_pot:   10 Error= 4.374E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.635E-03
+   ==> Step=    6 GR_pot:   10 Error= 6.114E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.287E-04
+   ==> Step=    8 GR_pot:   10 Error= 8.557E-05
+   ==> Level=    7 igr=   10 Error= 8.557E-05 Steps=    8
+   0.100000E+01  -0.218238E+01   0.393219E-01  -0.214306E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     61 mcons= 0.00E+00 econs=-3.35E-01 epot=-7.63E-04 ekin= 2.62E-04
+ Fine step=     61 t=-2.18238E+00 dt= 3.932E-02 a= 3.332E-01 mem=16.1% 71.4%
+ Time elapsed since last coarse step:   35.12 s       33.49 mus/pt       35.10 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2301.31006     s
+   ==> Step=    1 GR_pot:    1 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.038E-02
+   ==> Step=    3 GR_pot:    1 Error= 2.455E-03
+   ==> Step=    4 GR_pot:    1 Error= 8.690E-04
+   ==> Step=    5 GR_pot:    1 Error= 3.227E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.205E-04
+   ==> Step=    7 GR_pot:    1 Error= 4.508E-05
+   ==> Level=    7 igr=    1 Error= 4.508E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.172E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.601E-02
+   ==> Step=    3 GR_pot:    2 Error= 5.290E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.963E-03
+   ==> Step=    5 GR_pot:    2 Error= 7.340E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.746E-04
+   ==> Step=    7 GR_pot:    2 Error= 1.027E-04
+   ==> Step=    8 GR_pot:    2 Error= 3.842E-05
+   ==> Level=    7 igr=    2 Error= 3.842E-05 Steps=    8
+   ==> Step=    1 GR_pot:    3 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    3 Error= 8.359E-03
+   ==> Step=    3 GR_pot:    3 Error= 1.001E-03
+   ==> Step=    4 GR_pot:    3 Error= 2.424E-04
+   ==> Step=    5 GR_pot:    3 Error= 8.313E-05
+   ==> Level=    7 igr=    3 Error= 8.313E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.561E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.889E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.284E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.226E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.582E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.714E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.412E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.399E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.973E-05
+   ==> Level=    7 igr=    4 Error= 8.973E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.097E-02
+   ==> Step=    2 GR_pot:    5 Error= 9.770E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.469E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.362E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.386E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.133E-04
+   ==> Step=    7 GR_pot:    5 Error= 8.451E-05
+   ==> Level=    7 igr=    5 Error= 8.451E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.097E-02
+   ==> Step=    2 GR_pot:    6 Error= 9.770E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.469E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.362E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.386E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.133E-04
+   ==> Step=    7 GR_pot:    6 Error= 8.451E-05
+   ==> Level=    7 igr=    6 Error= 8.451E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    7 Error= 8.010E-03
+   ==> Step=    3 GR_pot:    7 Error= 9.806E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.865E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.051E-04
+   ==> Step=    6 GR_pot:    7 Error= 3.923E-05
+   ==> Level=    7 igr=    7 Error= 3.923E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.968E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.091E-03
+   ==> Step=    4 GR_pot:    8 Error= 3.445E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.274E-04
+   ==> Step=    6 GR_pot:    8 Error= 4.764E-05
+   ==> Level=    7 igr=    8 Error= 4.764E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.837E-03
+   ==> Step=    3 GR_pot:    9 Error= 8.083E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.971E-04
+   ==> Step=    5 GR_pot:    9 Error= 7.057E-05
+   ==> Level=    7 igr=    9 Error= 7.057E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.353E-01
+   ==> Step=    2 GR_pot:   10 Error= 3.227E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.145E-02
+   ==> Step=    4 GR_pot:   10 Error= 4.257E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.591E-03
+   ==> Step=    6 GR_pot:   10 Error= 5.951E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.226E-04
+   ==> Step=    8 GR_pot:   10 Error= 8.328E-05
+   ==> Level=    7 igr=   10 Error= 8.328E-05 Steps=    8
+   0.100000E+01  -0.214306E+01   0.383920E-01  -0.210467E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     62 mcons= 0.00E+00 econs=-3.35E-01 epot=-7.97E-04 ekin= 2.74E-04
+ Fine step=     62 t=-2.14306E+00 dt= 3.839E-02 a= 3.376E-01 mem=16.1% 71.4%
+ Time elapsed since last coarse step:   46.03 s       43.89 mus/pt       35.24 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2347.33984     s
+   ==> Step=    1 GR_pot:    1 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    1 Error= 1.023E-02
+   ==> Step=    3 GR_pot:    1 Error= 2.390E-03
+   ==> Step=    4 GR_pot:    1 Error= 8.447E-04
+   ==> Step=    5 GR_pot:    1 Error= 3.136E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.172E-04
+   ==> Step=    7 GR_pot:    1 Error= 4.382E-05
+   ==> Level=    7 igr=    1 Error= 4.382E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.165E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.527E-02
+   ==> Step=    3 GR_pot:    2 Error= 5.001E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.855E-03
+   ==> Step=    5 GR_pot:    2 Error= 6.935E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.594E-04
+   ==> Step=    7 GR_pot:    2 Error= 9.705E-05
+   ==> Level=    7 igr=    2 Error= 9.705E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    3 Error= 8.270E-03
+   ==> Step=    3 GR_pot:    3 Error= 9.807E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.373E-04
+   ==> Step=    5 GR_pot:    3 Error= 8.148E-05
+   ==> Level=    7 igr=    3 Error= 8.148E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.543E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.814E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.256E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.215E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.543E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.699E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.357E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.378E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.896E-05
+   ==> Level=    7 igr=    4 Error= 8.896E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.087E-02
+   ==> Step=    2 GR_pot:    5 Error= 9.686E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.434E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.348E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.332E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.112E-04
+   ==> Step=    7 GR_pot:    5 Error= 8.366E-05
+   ==> Level=    7 igr=    5 Error= 8.366E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.087E-02
+   ==> Step=    2 GR_pot:    6 Error= 9.686E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.434E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.348E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.332E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.112E-04
+   ==> Step=    7 GR_pot:    6 Error= 8.366E-05
+   ==> Level=    7 igr=    6 Error= 8.366E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.989E-03
+   ==> Step=    3 GR_pot:    7 Error= 9.680E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.811E-04
+   ==> Step=    5 GR_pot:    7 Error= 1.030E-04
+   ==> Step=    6 GR_pot:    7 Error= 3.846E-05
+   ==> Level=    7 igr=    7 Error= 3.846E-05 Steps=    6
+   ==> Step=    1 GR_pot:    8 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.852E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.049E-03
+   ==> Step=    4 GR_pot:    8 Error= 3.282E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.213E-04
+   ==> Step=    6 GR_pot:    8 Error= 4.535E-05
+   ==> Level=    7 igr=    8 Error= 4.535E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.776E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.945E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.920E-04
+   ==> Step=    5 GR_pot:    9 Error= 6.867E-05
+   ==> Level=    7 igr=    9 Error= 6.867E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.343E-01
+   ==> Step=    2 GR_pot:   10 Error= 3.160E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.119E-02
+   ==> Step=    4 GR_pot:   10 Error= 4.161E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.555E-03
+   ==> Step=    6 GR_pot:   10 Error= 5.816E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.176E-04
+   ==> Step=    8 GR_pot:   10 Error= 8.139E-05
+   ==> Level=    7 igr=   10 Error= 8.139E-05 Steps=    8
+   0.100000E+01  -0.210467E+01   0.369523E-01  -0.206771E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     63 mcons= 0.00E+00 econs=-3.35E-01 epot=-8.32E-04 ekin= 2.86E-04
+ Fine step=     63 t=-2.10467E+00 dt= 3.695E-02 a= 3.420E-01 mem=16.1% 71.5%
+ Time elapsed since last coarse step:   38.21 s       36.44 mus/pt       35.26 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2385.55005     s
+   ==> Step=    1 GR_pot:    1 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    1 Error= 9.975E-03
+   ==> Step=    3 GR_pot:    1 Error= 2.293E-03
+   ==> Step=    4 GR_pot:    1 Error= 8.090E-04
+   ==> Step=    5 GR_pot:    1 Error= 3.004E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.122E-04
+   ==> Step=    7 GR_pot:    1 Error= 4.196E-05
+   ==> Level=    7 igr=    1 Error= 4.196E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.155E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.478E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.812E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.785E-03
+   ==> Step=    5 GR_pot:    2 Error= 6.671E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.495E-04
+   ==> Step=    7 GR_pot:    2 Error= 9.334E-05
+   ==> Level=    7 igr=    2 Error= 9.334E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    3 Error= 8.170E-03
+   ==> Step=    3 GR_pot:    3 Error= 9.582E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.315E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.957E-05
+   ==> Level=    7 igr=    3 Error= 7.957E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.527E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.747E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.231E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.206E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.508E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.686E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.308E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.360E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.827E-05
+   ==> Level=    7 igr=    4 Error= 8.827E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.076E-02
+   ==> Step=    2 GR_pot:    5 Error= 9.583E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.392E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.332E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.267E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.086E-04
+   ==> Step=    7 GR_pot:    5 Error= 8.264E-05
+   ==> Level=    7 igr=    5 Error= 8.264E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.076E-02
+   ==> Step=    2 GR_pot:    6 Error= 9.583E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.392E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.332E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.267E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.086E-04
+   ==> Step=    7 GR_pot:    6 Error= 8.264E-05
+   ==> Level=    7 igr=    6 Error= 8.264E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.930E-03
+   ==> Step=    3 GR_pot:    7 Error= 9.462E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.725E-04
+   ==> Step=    5 GR_pot:    7 Error= 9.978E-05
+   ==> Level=    7 igr=    7 Error= 9.978E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.796E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.037E-03
+   ==> Step=    4 GR_pot:    8 Error= 3.240E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.198E-04
+   ==> Step=    6 GR_pot:    8 Error= 4.477E-05
+   ==> Level=    7 igr=    8 Error= 4.477E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.706E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.787E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.862E-04
+   ==> Step=    5 GR_pot:    9 Error= 6.652E-05
+   ==> Level=    7 igr=    9 Error= 6.652E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.340E-01
+   ==> Step=    2 GR_pot:   10 Error= 3.131E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.108E-02
+   ==> Step=    4 GR_pot:   10 Error= 4.121E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.540E-03
+   ==> Step=    6 GR_pot:   10 Error= 5.762E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.155E-04
+   ==> Step=    8 GR_pot:   10 Error= 8.063E-05
+   ==> Level=    7 igr=   10 Error= 8.063E-05 Steps=    8
+   0.100000E+01  -0.206771E+01   0.359197E-01  -0.203179E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     64 mcons= 0.00E+00 econs=-3.36E-01 epot=-8.67E-04 ekin= 2.98E-04
+ Fine step=     64 t=-2.06771E+00 dt= 3.592E-02 a= 3.463E-01 mem=16.1% 71.5%
+ Time elapsed since last coarse step:   36.01 s       34.34 mus/pt       35.25 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2421.56006     s
+   ==> Step=    1 GR_pot:    1 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    1 Error= 9.791E-03
+   ==> Step=    3 GR_pot:    1 Error= 2.212E-03
+   ==> Step=    4 GR_pot:    1 Error= 7.792E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.893E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.081E-04
+   ==> Step=    7 GR_pot:    1 Error= 4.042E-05
+   ==> Level=    7 igr=    1 Error= 4.042E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.152E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.461E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.737E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.756E-03
+   ==> Step=    5 GR_pot:    2 Error= 6.566E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.456E-04
+   ==> Step=    7 GR_pot:    2 Error= 9.187E-05
+   ==> Level=    7 igr=    2 Error= 9.187E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    3 Error= 8.069E-03
+   ==> Step=    3 GR_pot:    3 Error= 9.363E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.259E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.779E-05
+   ==> Level=    7 igr=    3 Error= 7.779E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.512E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.685E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.208E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.197E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.476E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.674E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.263E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.343E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.764E-05
+   ==> Level=    7 igr=    4 Error= 8.764E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.063E-02
+   ==> Step=    2 GR_pot:    5 Error= 9.488E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.354E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.316E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.206E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.062E-04
+   ==> Step=    7 GR_pot:    5 Error= 8.169E-05
+   ==> Level=    7 igr=    5 Error= 8.169E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.063E-02
+   ==> Step=    2 GR_pot:    6 Error= 9.488E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.354E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.316E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.206E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.062E-04
+   ==> Step=    7 GR_pot:    6 Error= 8.169E-05
+   ==> Level=    7 igr=    6 Error= 8.169E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.876E-03
+   ==> Step=    3 GR_pot:    7 Error= 9.153E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.592E-04
+   ==> Step=    5 GR_pot:    7 Error= 9.479E-05
+   ==> Level=    7 igr=    7 Error= 9.479E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.786E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.010E-03
+   ==> Step=    4 GR_pot:    8 Error= 3.113E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.149E-04
+   ==> Step=    6 GR_pot:    8 Error= 4.296E-05
+   ==> Level=    7 igr=    8 Error= 4.296E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.641E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.622E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.801E-04
+   ==> Step=    5 GR_pot:    9 Error= 6.425E-05
+   ==> Level=    7 igr=    9 Error= 6.425E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.317E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.986E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.052E-02
+   ==> Step=    4 GR_pot:   10 Error= 3.909E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.461E-03
+   ==> Step=    6 GR_pot:   10 Error= 5.465E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.044E-04
+   ==> Step=    8 GR_pot:   10 Error= 7.648E-05
+   ==> Level=    7 igr=   10 Error= 7.648E-05 Steps=    8
+   0.100000E+01  -0.203179E+01   0.356319E-01  -0.199616E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     65 mcons= 0.00E+00 econs=-3.36E-01 epot=-9.02E-04 ekin= 3.10E-04
+ Fine step=     65 t=-2.03179E+00 dt= 3.563E-02 a= 3.506E-01 mem=16.1% 71.5%
+ Time elapsed since last coarse step:   42.19 s       40.23 mus/pt       35.32 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2463.75000     s
+   ==> Step=    1 GR_pot:    1 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    1 Error= 9.627E-03
+   ==> Step=    3 GR_pot:    1 Error= 2.136E-03
+   ==> Step=    4 GR_pot:    1 Error= 7.509E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.787E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.041E-04
+   ==> Step=    7 GR_pot:    1 Error= 3.894E-05
+   ==> Level=    7 igr=    1 Error= 3.894E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.151E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.472E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.767E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.767E-03
+   ==> Step=    5 GR_pot:    2 Error= 6.607E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.471E-04
+   ==> Step=    7 GR_pot:    2 Error= 9.244E-05
+   ==> Level=    7 igr=    2 Error= 9.244E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.951E-03
+   ==> Step=    3 GR_pot:    3 Error= 9.146E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.207E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.615E-05
+   ==> Level=    7 igr=    3 Error= 7.615E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.499E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.631E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.188E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.190E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.448E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.664E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.224E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.328E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.710E-05
+   ==> Level=    7 igr=    4 Error= 8.710E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.044E-02
+   ==> Step=    2 GR_pot:    5 Error= 9.378E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.309E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.299E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.137E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.035E-04
+   ==> Step=    7 GR_pot:    5 Error= 8.061E-05
+   ==> Level=    7 igr=    5 Error= 8.061E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.044E-02
+   ==> Step=    2 GR_pot:    6 Error= 9.378E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.309E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.299E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.137E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.035E-04
+   ==> Step=    7 GR_pot:    6 Error= 8.061E-05
+   ==> Level=    7 igr=    6 Error= 8.061E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.811E-03
+   ==> Step=    3 GR_pot:    7 Error= 8.766E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.421E-04
+   ==> Step=    5 GR_pot:    7 Error= 8.831E-05
+   ==> Level=    7 igr=    7 Error= 8.831E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.839E-03
+   ==> Step=    3 GR_pot:    8 Error= 9.908E-04
+   ==> Step=    4 GR_pot:    8 Error= 3.001E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.107E-04
+   ==> Step=    6 GR_pot:    8 Error= 4.136E-05
+   ==> Level=    7 igr=    8 Error= 4.136E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.580E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.467E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.742E-04
+   ==> Step=    5 GR_pot:    9 Error= 6.206E-05
+   ==> Level=    7 igr=    9 Error= 6.206E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.290E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.804E-02
+   ==> Step=    3 GR_pot:   10 Error= 9.805E-03
+   ==> Step=    4 GR_pot:   10 Error= 3.643E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.361E-03
+   ==> Step=    6 GR_pot:   10 Error= 5.092E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.905E-04
+   ==> Step=    8 GR_pot:   10 Error= 7.126E-05
+   ==> Level=    7 igr=   10 Error= 7.126E-05 Steps=    8
+   0.100000E+01  -0.199616E+01   0.335332E-01  -0.196263E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     66 mcons= 0.00E+00 econs=-3.36E-01 epot=-9.39E-04 ekin= 3.23E-04
+ Fine step=     66 t=-1.99616E+00 dt= 3.353E-02 a= 3.549E-01 mem=16.1% 71.5%
+ Time elapsed since last coarse step:   37.67 s       35.93 mus/pt       35.33 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2501.42993     s
+   ==> Step=    1 GR_pot:    1 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    1 Error= 9.555E-03
+   ==> Step=    3 GR_pot:    1 Error= 2.100E-03
+   ==> Step=    4 GR_pot:    1 Error= 7.373E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.737E-04
+   ==> Step=    6 GR_pot:    1 Error= 1.022E-04
+   ==> Step=    7 GR_pot:    1 Error= 3.823E-05
+   ==> Level=    7 igr=    1 Error= 3.823E-05 Steps=    7
+   ==> Step=    1 GR_pot:    2 Error= 1.158E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.530E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.981E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.847E-03
+   ==> Step=    5 GR_pot:    2 Error= 6.905E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.583E-04
+   ==> Step=    7 GR_pot:    2 Error= 9.662E-05
+   ==> Level=    7 igr=    2 Error= 9.662E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.114E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.903E-03
+   ==> Step=    3 GR_pot:    3 Error= 9.094E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.201E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.604E-05
+   ==> Level=    7 igr=    3 Error= 7.604E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.495E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.614E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.182E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.187E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.439E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.660E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.211E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.324E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.692E-05
+   ==> Level=    7 igr=    4 Error= 8.692E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.029E-02
+   ==> Step=    2 GR_pot:    5 Error= 9.284E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.271E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.284E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.078E-04
+   ==> Step=    6 GR_pot:    5 Error= 2.011E-04
+   ==> Step=    7 GR_pot:    5 Error= 7.968E-05
+   ==> Level=    7 igr=    5 Error= 7.968E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.029E-02
+   ==> Step=    2 GR_pot:    6 Error= 9.284E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.271E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.284E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.078E-04
+   ==> Step=    6 GR_pot:    6 Error= 2.011E-04
+   ==> Step=    7 GR_pot:    6 Error= 7.968E-05
+   ==> Level=    7 igr=    6 Error= 7.968E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.781E-03
+   ==> Step=    3 GR_pot:    7 Error= 8.866E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.479E-04
+   ==> Step=    5 GR_pot:    7 Error= 9.055E-05
+   ==> Level=    7 igr=    7 Error= 9.055E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.068E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.116E-03
+   ==> Step=    4 GR_pot:    8 Error= 3.528E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.305E-04
+   ==> Step=    6 GR_pot:    8 Error= 4.878E-05
+   ==> Level=    7 igr=    8 Error= 4.878E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.576E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.494E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.752E-04
+   ==> Step=    5 GR_pot:    9 Error= 6.243E-05
+   ==> Level=    7 igr=    9 Error= 6.243E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.331E-01
+   ==> Step=    2 GR_pot:   10 Error= 3.075E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.086E-02
+   ==> Step=    4 GR_pot:   10 Error= 4.039E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.510E-03
+   ==> Step=    6 GR_pot:   10 Error= 5.646E-04
+   ==> Step=    7 GR_pot:   10 Error= 2.112E-04
+   ==> Step=    8 GR_pot:   10 Error= 7.901E-05
+   ==> Level=    7 igr=   10 Error= 7.901E-05 Steps=    8
+   0.100000E+01  -0.196263E+01   0.322783E-01  -0.193035E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     67 mcons= 0.00E+00 econs=-3.36E-01 epot=-9.76E-04 ekin= 3.35E-04
+ Fine step=     67 t=-1.96263E+00 dt= 3.228E-02 a= 3.591E-01 mem=16.1% 71.5%
+ Time elapsed since last coarse step:   34.25 s       32.67 mus/pt       35.29 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2535.67993     s
+   ==> Step=    1 GR_pot:    1 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    1 Error= 9.355E-03
+   ==> Step=    3 GR_pot:    1 Error= 2.027E-03
+   ==> Step=    4 GR_pot:    1 Error= 7.104E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.637E-04
+   ==> Step=    6 GR_pot:    1 Error= 9.850E-05
+   ==> Level=    7 igr=    1 Error= 9.850E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.155E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.520E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.934E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.829E-03
+   ==> Step=    5 GR_pot:    2 Error= 6.838E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.558E-04
+   ==> Step=    7 GR_pot:    2 Error= 9.568E-05
+   ==> Level=    7 igr=    2 Error= 9.568E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.110E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.837E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.958E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.169E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.510E-05
+   ==> Level=    7 igr=    3 Error= 7.510E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.483E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.563E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.162E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.180E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.412E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.650E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.174E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.310E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.640E-05
+   ==> Level=    7 igr=    4 Error= 8.640E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.020E-02
+   ==> Step=    2 GR_pot:    5 Error= 9.203E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.238E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.271E-03
+   ==> Step=    5 GR_pot:    5 Error= 5.026E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.991E-04
+   ==> Step=    7 GR_pot:    5 Error= 7.886E-05
+   ==> Level=    7 igr=    5 Error= 7.886E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.020E-02
+   ==> Step=    2 GR_pot:    6 Error= 9.203E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.238E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.271E-03
+   ==> Step=    5 GR_pot:    6 Error= 5.026E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.991E-04
+   ==> Step=    7 GR_pot:    6 Error= 7.886E-05
+   ==> Level=    7 igr=    6 Error= 7.886E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.683E-03
+   ==> Step=    3 GR_pot:    7 Error= 8.477E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.309E-04
+   ==> Step=    5 GR_pot:    7 Error= 8.413E-05
+   ==> Level=    7 igr=    7 Error= 8.413E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    8 Error= 8.046E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.073E-03
+   ==> Step=    4 GR_pot:    8 Error= 3.332E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.231E-04
+   ==> Step=    6 GR_pot:    8 Error= 4.601E-05
+   ==> Level=    7 igr=    8 Error= 4.601E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.553E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.399E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.711E-04
+   ==> Step=    5 GR_pot:    9 Error= 6.089E-05
+   ==> Level=    7 igr=    9 Error= 6.089E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.302E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.886E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.013E-02
+   ==> Step=    4 GR_pot:   10 Error= 3.763E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.406E-03
+   ==> Step=    6 GR_pot:   10 Error= 5.260E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.968E-04
+   ==> Step=    8 GR_pot:   10 Error= 7.361E-05
+   ==> Level=    7 igr=   10 Error= 7.361E-05 Steps=    8
+   0.100000E+01  -0.193035E+01   0.314346E-01  -0.189892E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     68 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.01E-03 ekin= 3.48E-04
+ Fine step=     68 t=-1.93035E+00 dt= 3.143E-02 a= 3.632E-01 mem=16.1% 71.5%
+ Time elapsed since last coarse step:   38.82 s       37.02 mus/pt       35.32 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2574.50000     s
+   ==> Step=    1 GR_pot:    1 Error= 1.102E-01
+   ==> Step=    2 GR_pot:    1 Error= 9.113E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.963E-03
+   ==> Step=    4 GR_pot:    1 Error= 6.875E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.551E-04
+   ==> Step=    6 GR_pot:    1 Error= 9.532E-05
+   ==> Level=    7 igr=    1 Error= 9.532E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.151E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.489E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.808E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.782E-03
+   ==> Step=    5 GR_pot:    2 Error= 6.661E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.491E-04
+   ==> Step=    7 GR_pot:    2 Error= 9.320E-05
+   ==> Level=    7 igr=    2 Error= 9.320E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.111E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.823E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.883E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.151E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.459E-05
+   ==> Level=    7 igr=    3 Error= 7.459E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.471E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.512E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.143E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.173E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.386E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.641E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.137E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.296E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.588E-05
+   ==> Level=    7 igr=    4 Error= 8.588E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.014E-02
+   ==> Step=    2 GR_pot:    5 Error= 9.120E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.204E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.257E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.972E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.969E-04
+   ==> Step=    7 GR_pot:    5 Error= 7.802E-05
+   ==> Level=    7 igr=    5 Error= 7.802E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.014E-02
+   ==> Step=    2 GR_pot:    6 Error= 9.120E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.204E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.257E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.972E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.969E-04
+   ==> Step=    7 GR_pot:    6 Error= 7.802E-05
+   ==> Level=    7 igr=    6 Error= 7.802E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.112E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.587E-03
+   ==> Step=    3 GR_pot:    7 Error= 8.242E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.215E-04
+   ==> Step=    5 GR_pot:    7 Error= 8.060E-05
+   ==> Level=    7 igr=    7 Error= 8.060E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.973E-03
+   ==> Step=    3 GR_pot:    8 Error= 1.031E-03
+   ==> Step=    4 GR_pot:    8 Error= 3.151E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.162E-04
+   ==> Step=    6 GR_pot:    8 Error= 4.344E-05
+   ==> Level=    7 igr=    8 Error= 4.344E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.556E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.347E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.682E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.980E-05
+   ==> Level=    7 igr=    9 Error= 5.980E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.284E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.761E-02
+   ==> Step=    3 GR_pot:   10 Error= 9.639E-03
+   ==> Step=    4 GR_pot:   10 Error= 3.581E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.338E-03
+   ==> Step=    6 GR_pot:   10 Error= 5.005E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.872E-04
+   ==> Step=    8 GR_pot:   10 Error= 7.004E-05
+   ==> Level=    7 igr=   10 Error= 7.004E-05 Steps=    8
+   0.100000E+01  -0.189892E+01   0.310462E-01  -0.186787E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     69 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.05E-03 ekin= 3.60E-04
+ Fine step=     69 t=-1.89892E+00 dt= 3.105E-02 a= 3.672E-01 mem=16.1% 71.5%
+ Time elapsed since last coarse step:   32.80 s       31.28 mus/pt       35.26 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2607.30005     s
+   ==> Step=    1 GR_pot:    1 Error= 1.084E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.843E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.890E-03
+   ==> Step=    4 GR_pot:    1 Error= 6.611E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.454E-04
+   ==> Step=    6 GR_pot:    1 Error= 9.166E-05
+   ==> Level=    7 igr=    1 Error= 9.166E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.148E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.449E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.644E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.721E-03
+   ==> Step=    5 GR_pot:    2 Error= 6.431E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.406E-04
+   ==> Step=    7 GR_pot:    2 Error= 8.999E-05
+   ==> Level=    7 igr=    2 Error= 8.999E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.818E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.824E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.137E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.422E-05
+   ==> Level=    7 igr=    3 Error= 7.422E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.457E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.453E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.122E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.165E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.355E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.629E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.094E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.280E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.528E-05
+   ==> Level=    7 igr=    4 Error= 8.528E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.012E-02
+   ==> Step=    2 GR_pot:    5 Error= 9.031E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.166E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.242E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.914E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.946E-04
+   ==> Step=    7 GR_pot:    5 Error= 7.711E-05
+   ==> Level=    7 igr=    5 Error= 7.711E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.012E-02
+   ==> Step=    2 GR_pot:    6 Error= 9.031E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.166E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.242E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.914E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.946E-04
+   ==> Step=    7 GR_pot:    6 Error= 7.711E-05
+   ==> Level=    7 igr=    6 Error= 7.711E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.107E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.477E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.953E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.099E-04
+   ==> Step=    5 GR_pot:    7 Error= 7.625E-05
+   ==> Level=    7 igr=    7 Error= 7.625E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.877E-03
+   ==> Step=    3 GR_pot:    8 Error= 9.780E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.924E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.077E-04
+   ==> Step=    6 GR_pot:    8 Error= 4.024E-05
+   ==> Level=    7 igr=    8 Error= 4.024E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.553E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.291E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.653E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.871E-05
+   ==> Level=    7 igr=    9 Error= 5.871E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.264E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.616E-02
+   ==> Step=    3 GR_pot:   10 Error= 9.070E-03
+   ==> Step=    4 GR_pot:   10 Error= 3.367E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.258E-03
+   ==> Step=    6 GR_pot:   10 Error= 4.707E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.761E-04
+   ==> Step=    8 GR_pot:   10 Error= 6.587E-05
+   ==> Level=    7 igr=   10 Error= 6.587E-05 Steps=    8
+   0.100000E+01  -0.186787E+01   0.299522E-01  -0.183792E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     70 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.09E-03 ekin= 3.73E-04
+ Fine step=     70 t=-1.86787E+00 dt= 2.995E-02 a= 3.713E-01 mem=16.1% 71.5%
+ Time elapsed since last coarse step:   35.48 s       33.84 mus/pt       35.24 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2642.78003     s
+   ==> Step=    1 GR_pot:    1 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.927E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.901E-03
+   ==> Step=    4 GR_pot:    1 Error= 6.648E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.467E-04
+   ==> Step=    6 GR_pot:    1 Error= 9.216E-05
+   ==> Level=    7 igr=    1 Error= 9.216E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.150E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.428E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.557E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.688E-03
+   ==> Step=    5 GR_pot:    2 Error= 6.309E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.360E-04
+   ==> Step=    7 GR_pot:    2 Error= 8.828E-05
+   ==> Level=    7 igr=    2 Error= 8.828E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.856E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.861E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.152E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.485E-05
+   ==> Level=    7 igr=    3 Error= 7.485E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.448E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.417E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.108E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.160E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.337E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.622E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.068E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.270E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.492E-05
+   ==> Level=    7 igr=    4 Error= 8.492E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.016E-02
+   ==> Step=    2 GR_pot:    5 Error= 8.947E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.131E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.229E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.859E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.925E-04
+   ==> Step=    7 GR_pot:    5 Error= 7.625E-05
+   ==> Level=    7 igr=    5 Error= 7.625E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.016E-02
+   ==> Step=    2 GR_pot:    6 Error= 8.947E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.131E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.229E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.859E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.925E-04
+   ==> Step=    7 GR_pot:    6 Error= 7.625E-05
+   ==> Level=    7 igr=    6 Error= 7.625E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.547E-03
+   ==> Step=    3 GR_pot:    7 Error= 8.105E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.157E-04
+   ==> Step=    5 GR_pot:    7 Error= 7.843E-05
+   ==> Level=    7 igr=    7 Error= 7.843E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.861E-03
+   ==> Step=    3 GR_pot:    8 Error= 9.910E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.995E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.104E-04
+   ==> Step=    6 GR_pot:    8 Error= 4.126E-05
+   ==> Level=    7 igr=    8 Error= 4.126E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.575E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.334E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.668E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.924E-05
+   ==> Level=    7 igr=    9 Error= 5.924E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.274E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.696E-02
+   ==> Step=    3 GR_pot:   10 Error= 9.386E-03
+   ==> Step=    4 GR_pot:   10 Error= 3.486E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.303E-03
+   ==> Step=    6 GR_pot:   10 Error= 4.873E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.823E-04
+   ==> Step=    8 GR_pot:   10 Error= 6.819E-05
+   ==> Level=    7 igr=   10 Error= 6.819E-05 Steps=    8
+   0.100000E+01  -0.183792E+01   0.298676E-01  -0.180805E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     71 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.12E-03 ekin= 3.86E-04
+ Fine step=     71 t=-1.83792E+00 dt= 2.987E-02 a= 3.753E-01 mem=16.1% 71.6%
+ Time elapsed since last coarse step:   27.74 s       26.46 mus/pt       35.12 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2670.52002     s
+   ==> Step=    1 GR_pot:    1 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    1 Error= 9.029E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.901E-03
+   ==> Step=    4 GR_pot:    1 Error= 6.637E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.463E-04
+   ==> Step=    6 GR_pot:    1 Error= 9.201E-05
+   ==> Level=    7 igr=    1 Error= 9.201E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.153E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.393E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.408E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.632E-03
+   ==> Step=    5 GR_pot:    2 Error= 6.100E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.282E-04
+   ==> Step=    7 GR_pot:    2 Error= 8.536E-05
+   ==> Level=    7 igr=    2 Error= 8.536E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.864E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.817E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.143E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.465E-05
+   ==> Level=    7 igr=    3 Error= 7.465E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.435E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.363E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.088E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.152E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.309E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.612E-03
+   ==> Step=    7 GR_pot:    4 Error= 6.029E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.255E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.437E-05
+   ==> Level=    7 igr=    4 Error= 8.437E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.022E-02
+   ==> Step=    2 GR_pot:    5 Error= 8.860E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.094E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.214E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.802E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.902E-04
+   ==> Step=    7 GR_pot:    5 Error= 7.534E-05
+   ==> Level=    7 igr=    5 Error= 7.534E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.022E-02
+   ==> Step=    2 GR_pot:    6 Error= 8.860E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.094E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.214E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.802E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.902E-04
+   ==> Step=    7 GR_pot:    6 Error= 7.534E-05
+   ==> Level=    7 igr=    6 Error= 7.534E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.595E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.980E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.078E-04
+   ==> Step=    5 GR_pot:    7 Error= 7.538E-05
+   ==> Level=    7 igr=    7 Error= 7.538E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.779E-03
+   ==> Step=    3 GR_pot:    8 Error= 9.200E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.671E-04
+   ==> Step=    5 GR_pot:    8 Error= 9.810E-05
+   ==> Level=    7 igr=    8 Error= 9.810E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.576E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.288E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.645E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.836E-05
+   ==> Level=    7 igr=    9 Error= 5.836E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.242E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.468E-02
+   ==> Step=    3 GR_pot:   10 Error= 8.483E-03
+   ==> Step=    4 GR_pot:   10 Error= 3.147E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.176E-03
+   ==> Step=    6 GR_pot:   10 Error= 4.399E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.646E-04
+   ==> Step=    8 GR_pot:   10 Error= 6.156E-05
+   ==> Level=    7 igr=   10 Error= 6.156E-05 Steps=    8
+   0.100000E+01  -0.180805E+01   0.302544E-01  -0.177780E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     72 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.16E-03 ekin= 3.99E-04
+ Fine step=     72 t=-1.80805E+00 dt= 3.025E-02 a= 3.794E-01 mem=16.1% 71.6%
+ Time elapsed since last coarse step:   27.34 s       26.07 mus/pt       35.00 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2697.85986     s
+   ==> Step=    1 GR_pot:    1 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    1 Error= 9.072E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.899E-03
+   ==> Step=    4 GR_pot:    1 Error= 6.627E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.459E-04
+   ==> Step=    6 GR_pot:    1 Error= 9.188E-05
+   ==> Level=    7 igr=    1 Error= 9.188E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.157E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.367E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.297E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.590E-03
+   ==> Step=    5 GR_pot:    2 Error= 5.943E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.223E-04
+   ==> Step=    7 GR_pot:    2 Error= 8.316E-05
+   ==> Level=    7 igr=    2 Error= 8.316E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.867E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.806E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.145E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.485E-05
+   ==> Level=    7 igr=    3 Error= 7.485E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.424E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.317E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.071E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.146E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.285E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.603E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.995E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.243E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.390E-05
+   ==> Level=    7 igr=    4 Error= 8.390E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.019E-02
+   ==> Step=    2 GR_pot:    5 Error= 8.761E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.053E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.198E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.738E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.876E-04
+   ==> Step=    7 GR_pot:    5 Error= 7.434E-05
+   ==> Level=    7 igr=    5 Error= 7.434E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.019E-02
+   ==> Step=    2 GR_pot:    6 Error= 8.761E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.053E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.198E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.738E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.876E-04
+   ==> Step=    7 GR_pot:    6 Error= 7.434E-05
+   ==> Level=    7 igr=    6 Error= 7.434E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.628E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.919E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.035E-04
+   ==> Step=    5 GR_pot:    7 Error= 7.369E-05
+   ==> Level=    7 igr=    7 Error= 7.369E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.735E-03
+   ==> Step=    3 GR_pot:    8 Error= 8.834E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.501E-04
+   ==> Step=    5 GR_pot:    8 Error= 9.165E-05
+   ==> Level=    7 igr=    8 Error= 9.165E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.583E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.286E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.641E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.824E-05
+   ==> Level=    7 igr=    9 Error= 5.824E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.226E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.353E-02
+   ==> Step=    3 GR_pot:   10 Error= 8.020E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.973E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.111E-03
+   ==> Step=    6 GR_pot:   10 Error= 4.156E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.555E-04
+   ==> Step=    8 GR_pot:   10 Error= 5.815E-05
+   ==> Level=    7 igr=   10 Error= 5.815E-05 Steps=    8
+   0.100000E+01  -0.177780E+01   0.307426E-01  -0.174705E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     73 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.20E-03 ekin= 4.13E-04
+ Fine step=     73 t=-1.77780E+00 dt= 3.074E-02 a= 3.836E-01 mem=16.1% 71.6%
+ Time elapsed since last coarse step:   27.36 s       26.09 mus/pt       34.87 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2725.21997     s
+   ==> Step=    1 GR_pot:    1 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    1 Error= 9.091E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.904E-03
+   ==> Step=    4 GR_pot:    1 Error= 6.641E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.464E-04
+   ==> Step=    6 GR_pot:    1 Error= 9.207E-05
+   ==> Level=    7 igr=    1 Error= 9.207E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.162E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.347E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.207E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.556E-03
+   ==> Step=    5 GR_pot:    2 Error= 5.817E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.176E-04
+   ==> Step=    7 GR_pot:    2 Error= 8.139E-05
+   ==> Level=    7 igr=    2 Error= 8.139E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.874E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.803E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.148E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.506E-05
+   ==> Level=    7 igr=    3 Error= 7.506E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.414E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.275E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.055E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.140E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.263E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.594E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.965E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.231E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.347E-05
+   ==> Level=    7 igr=    4 Error= 8.347E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.014E-02
+   ==> Step=    2 GR_pot:    5 Error= 8.656E-03
+   ==> Step=    3 GR_pot:    5 Error= 3.009E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.181E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.669E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.849E-04
+   ==> Step=    7 GR_pot:    5 Error= 7.327E-05
+   ==> Level=    7 igr=    5 Error= 7.327E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.014E-02
+   ==> Step=    2 GR_pot:    6 Error= 8.656E-03
+   ==> Step=    3 GR_pot:    6 Error= 3.009E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.181E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.669E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.849E-04
+   ==> Step=    7 GR_pot:    6 Error= 7.327E-05
+   ==> Level=    7 igr=    6 Error= 7.327E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.664E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.932E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.027E-04
+   ==> Step=    5 GR_pot:    7 Error= 7.337E-05
+   ==> Level=    7 igr=    7 Error= 7.337E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.717E-03
+   ==> Step=    3 GR_pot:    8 Error= 8.651E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.414E-04
+   ==> Step=    5 GR_pot:    8 Error= 8.835E-05
+   ==> Level=    7 igr=    8 Error= 8.835E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.595E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.300E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.645E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.838E-05
+   ==> Level=    7 igr=    9 Error= 5.838E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.219E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.296E-02
+   ==> Step=    3 GR_pot:   10 Error= 7.791E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.888E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.079E-03
+   ==> Step=    6 GR_pot:   10 Error= 4.036E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.510E-04
+   ==> Step=    8 GR_pot:   10 Error= 5.647E-05
+   ==> Level=    7 igr=   10 Error= 5.647E-05 Steps=    8
+   0.100000E+01  -0.174705E+01   0.299412E-01  -0.171711E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     74 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.25E-03 ekin= 4.28E-04
+ Fine step=     74 t=-1.74705E+00 dt= 2.994E-02 a= 3.879E-01 mem=16.1% 71.6%
+ Time elapsed since last coarse step:   27.42 s       26.15 mus/pt       34.76 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2752.63989     s
+   ==> Step=    1 GR_pot:    1 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    1 Error= 9.071E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.905E-03
+   ==> Step=    4 GR_pot:    1 Error= 6.648E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.467E-04
+   ==> Step=    6 GR_pot:    1 Error= 9.216E-05
+   ==> Level=    7 igr=    1 Error= 9.216E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.167E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.348E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.202E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.554E-03
+   ==> Step=    5 GR_pot:    2 Error= 5.809E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.173E-04
+   ==> Step=    7 GR_pot:    2 Error= 8.129E-05
+   ==> Level=    7 igr=    2 Error= 8.129E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.901E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.873E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.171E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.596E-05
+   ==> Level=    7 igr=    3 Error= 7.596E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.407E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.247E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.045E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.136E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.248E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.589E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.944E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.224E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.318E-05
+   ==> Level=    7 igr=    4 Error= 8.318E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 8.005E-02
+   ==> Step=    2 GR_pot:    5 Error= 8.549E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.964E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.163E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.600E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.822E-04
+   ==> Step=    7 GR_pot:    5 Error= 7.217E-05
+   ==> Level=    7 igr=    5 Error= 7.217E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 8.005E-02
+   ==> Step=    2 GR_pot:    6 Error= 8.549E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.964E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.163E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.600E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.822E-04
+   ==> Step=    7 GR_pot:    6 Error= 7.217E-05
+   ==> Level=    7 igr=    6 Error= 7.217E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.687E-03
+   ==> Step=    3 GR_pot:    7 Error= 8.121E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.121E-04
+   ==> Step=    5 GR_pot:    7 Error= 7.696E-05
+   ==> Level=    7 igr=    7 Error= 7.696E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.762E-03
+   ==> Step=    3 GR_pot:    8 Error= 9.101E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.633E-04
+   ==> Step=    5 GR_pot:    8 Error= 9.668E-05
+   ==> Level=    7 igr=    8 Error= 9.668E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.634E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.401E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.682E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.977E-05
+   ==> Level=    7 igr=    9 Error= 5.977E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.242E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.470E-02
+   ==> Step=    3 GR_pot:   10 Error= 8.486E-03
+   ==> Step=    4 GR_pot:   10 Error= 3.149E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.177E-03
+   ==> Step=    6 GR_pot:   10 Error= 4.401E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.646E-04
+   ==> Step=    8 GR_pot:   10 Error= 6.158E-05
+   ==> Level=    7 igr=   10 Error= 6.158E-05 Steps=    8
+   0.100000E+01  -0.171711E+01   0.294891E-01  -0.168762E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     75 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.29E-03 ekin= 4.43E-04
+ Fine step=     75 t=-1.71711E+00 dt= 2.949E-02 a= 3.922E-01 mem=16.1% 71.6%
+ Time elapsed since last coarse step:   27.34 s       26.07 mus/pt       34.64 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2779.97998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    1 Error= 9.006E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.873E-03
+   ==> Step=    4 GR_pot:    1 Error= 6.528E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.422E-04
+   ==> Step=    6 GR_pot:    1 Error= 9.049E-05
+   ==> Level=    7 igr=    1 Error= 9.049E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.167E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.331E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.128E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.526E-03
+   ==> Step=    5 GR_pot:    2 Error= 5.705E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.134E-04
+   ==> Step=    7 GR_pot:    2 Error= 7.983E-05
+   ==> Level=    7 igr=    2 Error= 7.983E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.107E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.825E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.765E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.146E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.516E-05
+   ==> Level=    7 igr=    3 Error= 7.516E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.394E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.193E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.025E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.129E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.220E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.578E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.905E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.209E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.263E-05
+   ==> Level=    7 igr=    4 Error= 8.263E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.996E-02
+   ==> Step=    2 GR_pot:    5 Error= 8.442E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.920E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.145E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.530E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.794E-04
+   ==> Step=    7 GR_pot:    5 Error= 7.108E-05
+   ==> Level=    7 igr=    5 Error= 7.108E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.996E-02
+   ==> Step=    2 GR_pot:    6 Error= 8.442E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.920E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.145E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.530E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.794E-04
+   ==> Step=    7 GR_pot:    6 Error= 7.108E-05
+   ==> Level=    7 igr=    6 Error= 7.108E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.673E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.987E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.059E-04
+   ==> Step=    5 GR_pot:    7 Error= 7.461E-05
+   ==> Level=    7 igr=    7 Error= 7.461E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.728E-03
+   ==> Step=    3 GR_pot:    8 Error= 8.826E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.502E-04
+   ==> Step=    5 GR_pot:    8 Error= 9.171E-05
+   ==> Level=    7 igr=    8 Error= 9.171E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.600E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.329E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.655E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.879E-05
+   ==> Level=    7 igr=    9 Error= 5.879E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.229E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.366E-02
+   ==> Step=    3 GR_pot:   10 Error= 8.071E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.993E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.118E-03
+   ==> Step=    6 GR_pot:   10 Error= 4.183E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.565E-04
+   ==> Step=    8 GR_pot:   10 Error= 5.854E-05
+   ==> Level=    7 igr=   10 Error= 5.854E-05 Steps=    8
+   0.100000E+01  -0.168762E+01   0.298499E-01  -0.165777E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     76 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.34E-03 ekin= 4.58E-04
+ Fine step=     76 t=-1.68762E+00 dt= 2.985E-02 a= 3.965E-01 mem=16.1% 71.6%
+ Time elapsed since last coarse step:   27.38 s       26.11 mus/pt       34.53 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2807.34985     s
+   ==> Step=    1 GR_pot:    1 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.871E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.819E-03
+   ==> Step=    4 GR_pot:    1 Error= 6.327E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.348E-04
+   ==> Step=    6 GR_pot:    1 Error= 8.771E-05
+   ==> Level=    7 igr=    1 Error= 8.771E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.161E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.307E-02
+   ==> Step=    3 GR_pot:    2 Error= 4.027E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.488E-03
+   ==> Step=    5 GR_pot:    2 Error= 5.563E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.081E-04
+   ==> Step=    7 GR_pot:    2 Error= 7.784E-05
+   ==> Level=    7 igr=    2 Error= 7.784E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.097E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.735E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.616E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.108E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.393E-05
+   ==> Level=    7 igr=    3 Error= 7.393E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.379E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.128E-02
+   ==> Step=    3 GR_pot:    4 Error= 3.000E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.120E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.186E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.566E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.857E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.191E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.197E-05
+   ==> Level=    7 igr=    4 Error= 8.197E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.985E-02
+   ==> Step=    2 GR_pot:    5 Error= 8.332E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.873E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.127E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.458E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.766E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.995E-05
+   ==> Level=    7 igr=    5 Error= 6.995E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.985E-02
+   ==> Step=    2 GR_pot:    6 Error= 8.332E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.873E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.127E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.458E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.766E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.995E-05
+   ==> Level=    7 igr=    6 Error= 6.995E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.597E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.693E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.932E-04
+   ==> Step=    5 GR_pot:    7 Error= 6.979E-05
+   ==> Level=    7 igr=    7 Error= 6.979E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.657E-03
+   ==> Step=    3 GR_pot:    8 Error= 8.329E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.263E-04
+   ==> Step=    5 GR_pot:    8 Error= 8.258E-05
+   ==> Level=    7 igr=    8 Error= 8.258E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.555E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.218E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.612E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.719E-05
+   ==> Level=    7 igr=    9 Error= 5.719E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.207E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.180E-02
+   ==> Step=    3 GR_pot:   10 Error= 7.321E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.711E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.013E-03
+   ==> Step=    6 GR_pot:   10 Error= 3.789E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.417E-04
+   ==> Step=    8 GR_pot:   10 Error= 5.302E-05
+   ==> Level=    7 igr=   10 Error= 5.302E-05 Steps=    8
+   0.100000E+01  -0.165777E+01   0.295853E-01  -0.162819E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     77 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.38E-03 ekin= 4.75E-04
+ Fine step=     77 t=-1.65777E+00 dt= 2.959E-02 a= 4.010E-01 mem=16.1% 71.6%
+ Time elapsed since last coarse step:   27.36 s       26.09 mus/pt       34.43 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2834.70996     s
+   ==> Step=    1 GR_pot:    1 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.769E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.782E-03
+   ==> Step=    4 GR_pot:    1 Error= 6.195E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.299E-04
+   ==> Step=    6 GR_pot:    1 Error= 8.587E-05
+   ==> Level=    7 igr=    1 Error= 8.587E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.153E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.297E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.992E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.475E-03
+   ==> Step=    5 GR_pot:    2 Error= 5.514E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.062E-04
+   ==> Step=    7 GR_pot:    2 Error= 7.715E-05
+   ==> Level=    7 igr=    2 Error= 7.715E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.094E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.721E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.572E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.098E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.362E-05
+   ==> Level=    7 igr=    3 Error= 7.362E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.367E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.076E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.981E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.112E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.159E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.556E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.819E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.177E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.144E-05
+   ==> Level=    7 igr=    4 Error= 8.144E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.977E-02
+   ==> Step=    2 GR_pot:    5 Error= 8.232E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.831E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.110E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.392E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.740E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.892E-05
+   ==> Level=    7 igr=    5 Error= 6.892E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.977E-02
+   ==> Step=    2 GR_pot:    6 Error= 8.232E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.831E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.110E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.392E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.740E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.892E-05
+   ==> Level=    7 igr=    6 Error= 6.892E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.530E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.609E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.916E-04
+   ==> Step=    5 GR_pot:    7 Error= 6.925E-05
+   ==> Level=    7 igr=    7 Error= 6.925E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.633E-03
+   ==> Step=    3 GR_pot:    8 Error= 8.416E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.315E-04
+   ==> Step=    5 GR_pot:    8 Error= 8.459E-05
+   ==> Level=    7 igr=    8 Error= 8.459E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.567E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.213E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.607E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.698E-05
+   ==> Level=    7 igr=    9 Error= 5.698E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.213E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.221E-02
+   ==> Step=    3 GR_pot:   10 Error= 7.489E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.774E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.037E-03
+   ==> Step=    6 GR_pot:   10 Error= 3.877E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.450E-04
+   ==> Step=    8 GR_pot:   10 Error= 5.426E-05
+   ==> Level=    7 igr=   10 Error= 5.426E-05 Steps=    8
+   0.100000E+01  -0.162819E+01   0.291892E-01  -0.159900E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     78 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.44E-03 ekin= 4.92E-04
+ Fine step=     78 t=-1.62819E+00 dt= 2.919E-02 a= 4.055E-01 mem=16.1% 71.6%
+ Time elapsed since last coarse step:   27.35 s       26.09 mus/pt       34.32 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2862.06982     s
+   ==> Step=    1 GR_pot:    1 Error= 1.114E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.675E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.751E-03
+   ==> Step=    4 GR_pot:    1 Error= 6.081E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.256E-04
+   ==> Step=    6 GR_pot:    1 Error= 8.429E-05
+   ==> Level=    7 igr=    1 Error= 8.429E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.145E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.282E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.932E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.453E-03
+   ==> Step=    5 GR_pot:    2 Error= 5.429E-04
+   ==> Step=    6 GR_pot:    2 Error= 2.031E-04
+   ==> Step=    7 GR_pot:    2 Error= 7.597E-05
+   ==> Level=    7 igr=    2 Error= 7.597E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.098E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.718E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.521E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.083E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.317E-05
+   ==> Level=    7 igr=    3 Error= 7.317E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.354E-01
+   ==> Step=    2 GR_pot:    4 Error= 8.020E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.960E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.105E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.130E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.545E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.779E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.162E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.087E-05
+   ==> Level=    7 igr=    4 Error= 8.087E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.971E-02
+   ==> Step=    2 GR_pot:    5 Error= 8.131E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.789E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.094E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.326E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.713E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.788E-05
+   ==> Level=    7 igr=    5 Error= 6.788E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.971E-02
+   ==> Step=    2 GR_pot:    6 Error= 8.131E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.789E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.094E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.326E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.713E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.788E-05
+   ==> Level=    7 igr=    6 Error= 6.788E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.468E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.481E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.873E-04
+   ==> Step=    5 GR_pot:    7 Error= 6.766E-05
+   ==> Level=    7 igr=    7 Error= 6.766E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.611E-03
+   ==> Step=    3 GR_pot:    8 Error= 8.325E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.271E-04
+   ==> Step=    5 GR_pot:    8 Error= 8.293E-05
+   ==> Level=    7 igr=    8 Error= 8.293E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.579E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.189E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.592E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.642E-05
+   ==> Level=    7 igr=    9 Error= 5.642E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.210E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.187E-02
+   ==> Step=    3 GR_pot:   10 Error= 7.354E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.724E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.018E-03
+   ==> Step=    6 GR_pot:   10 Error= 3.807E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.424E-04
+   ==> Step=    8 GR_pot:   10 Error= 5.327E-05
+   ==> Level=    7 igr=   10 Error= 5.327E-05 Steps=    8
+   0.100000E+01  -0.159900E+01   0.287409E-01  -0.157026E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     79 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.49E-03 ekin= 5.10E-04
+ Fine step=     79 t=-1.59900E+00 dt= 2.874E-02 a= 4.100E-01 mem=16.1% 71.6%
+ Time elapsed since last coarse step:   27.41 s       26.14 mus/pt       34.22 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2889.47998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.112E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.594E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.723E-03
+   ==> Step=    4 GR_pot:    1 Error= 5.981E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.219E-04
+   ==> Step=    6 GR_pot:    1 Error= 8.291E-05
+   ==> Level=    7 igr=    1 Error= 8.291E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.266E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.868E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.429E-03
+   ==> Step=    5 GR_pot:    2 Error= 5.340E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.997E-04
+   ==> Step=    7 GR_pot:    2 Error= 7.472E-05
+   ==> Level=    7 igr=    2 Error= 7.472E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.104E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.712E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.440E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.057E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.229E-05
+   ==> Level=    7 igr=    3 Error= 7.229E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.341E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.963E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.939E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.097E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.100E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.534E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.737E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.146E-04
+   ==> Step=    9 GR_pot:    4 Error= 8.029E-05
+   ==> Level=    7 igr=    4 Error= 8.029E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.968E-02
+   ==> Step=    2 GR_pot:    5 Error= 8.034E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.747E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.077E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.261E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.688E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.686E-05
+   ==> Level=    7 igr=    5 Error= 6.686E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.968E-02
+   ==> Step=    2 GR_pot:    6 Error= 8.034E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.747E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.077E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.261E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.688E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.686E-05
+   ==> Level=    7 igr=    6 Error= 6.686E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.421E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.368E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.831E-04
+   ==> Step=    5 GR_pot:    7 Error= 6.612E-05
+   ==> Level=    7 igr=    7 Error= 6.612E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.602E-03
+   ==> Step=    3 GR_pot:    8 Error= 8.208E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.209E-04
+   ==> Step=    5 GR_pot:    8 Error= 8.054E-05
+   ==> Level=    7 igr=    8 Error= 8.054E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.592E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.150E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.569E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.552E-05
+   ==> Level=    7 igr=    9 Error= 5.552E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.205E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.138E-02
+   ==> Step=    3 GR_pot:   10 Error= 7.155E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.649E-03
+   ==> Step=    5 GR_pot:   10 Error= 9.899E-04
+   ==> Step=    6 GR_pot:   10 Error= 3.703E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.385E-04
+   ==> Step=    8 GR_pot:   10 Error= 5.181E-05
+   ==> Level=    7 igr=   10 Error= 5.181E-05 Steps=    8
+   0.100000E+01  -0.157026E+01   0.285293E-01  -0.154173E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     80 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.54E-03 ekin= 5.28E-04
+ Fine step=     80 t=-1.57026E+00 dt= 2.853E-02 a= 4.145E-01 mem=16.1% 71.6%
+ Time elapsed since last coarse step:   27.40 s       26.13 mus/pt       34.12 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2916.87988     s
+   ==> Step=    1 GR_pot:    1 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.542E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.698E-03
+   ==> Step=    4 GR_pot:    1 Error= 5.890E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.185E-04
+   ==> Step=    6 GR_pot:    1 Error= 8.164E-05
+   ==> Level=    7 igr=    1 Error= 8.164E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.245E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.777E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.394E-03
+   ==> Step=    5 GR_pot:    2 Error= 5.212E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.949E-04
+   ==> Step=    7 GR_pot:    2 Error= 7.292E-05
+   ==> Level=    7 igr=    2 Error= 7.292E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.742E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.389E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.034E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.152E-05
+   ==> Level=    7 igr=    3 Error= 7.152E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.326E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.901E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.915E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.088E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.067E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.521E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.691E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.129E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.965E-05
+   ==> Level=    7 igr=    4 Error= 7.965E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.967E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.929E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.703E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.060E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.192E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.660E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.577E-05
+   ==> Level=    7 igr=    5 Error= 6.577E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.967E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.929E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.703E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.060E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.192E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.660E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.577E-05
+   ==> Level=    7 igr=    6 Error= 6.577E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.399E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.253E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.777E-04
+   ==> Step=    5 GR_pot:    7 Error= 6.404E-05
+   ==> Level=    7 igr=    7 Error= 6.404E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.593E-03
+   ==> Step=    3 GR_pot:    8 Error= 7.979E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.085E-04
+   ==> Step=    5 GR_pot:    8 Error= 7.575E-05
+   ==> Level=    7 igr=    8 Error= 7.575E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.617E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.114E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.539E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.437E-05
+   ==> Level=    7 igr=    9 Error= 5.437E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.194E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.043E-02
+   ==> Step=    3 GR_pot:   10 Error= 6.765E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.503E-03
+   ==> Step=    5 GR_pot:   10 Error= 9.351E-04
+   ==> Step=    6 GR_pot:   10 Error= 3.497E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.308E-04
+   ==> Step=    8 GR_pot:   10 Error= 4.894E-05
+   ==> Level=    7 igr=   10 Error= 4.894E-05 Steps=    8
+   0.100000E+01  -0.154173E+01   0.283017E-01  -0.151343E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     81 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.60E-03 ekin= 5.48E-04
+ Fine step=     81 t=-1.54173E+00 dt= 2.830E-02 a= 4.191E-01 mem=16.1% 71.7%
+ Time elapsed since last coarse step:   27.35 s       26.08 mus/pt       34.02 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2944.22998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.590E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.696E-03
+   ==> Step=    4 GR_pot:    1 Error= 5.875E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.180E-04
+   ==> Step=    6 GR_pot:    1 Error= 8.144E-05
+   ==> Level=    7 igr=    1 Error= 8.144E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.228E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.698E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.365E-03
+   ==> Step=    5 GR_pot:    2 Error= 5.100E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.908E-04
+   ==> Step=    7 GR_pot:    2 Error= 7.136E-05
+   ==> Level=    7 igr=    2 Error= 7.136E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.768E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.343E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.013E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.079E-05
+   ==> Level=    7 igr=    3 Error= 7.079E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.312E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.841E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.893E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.080E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.037E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.510E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.648E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.113E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.904E-05
+   ==> Level=    7 igr=    4 Error= 7.904E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.967E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.837E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.663E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.044E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.131E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.636E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.481E-05
+   ==> Level=    7 igr=    5 Error= 6.481E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.967E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.837E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.663E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.044E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.131E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.636E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.481E-05
+   ==> Level=    7 igr=    6 Error= 6.481E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.430E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.233E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.755E-04
+   ==> Step=    5 GR_pot:    7 Error= 6.316E-05
+   ==> Level=    7 igr=    7 Error= 6.316E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.606E-03
+   ==> Step=    3 GR_pot:    8 Error= 7.857E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.011E-04
+   ==> Step=    5 GR_pot:    8 Error= 7.292E-05
+   ==> Level=    7 igr=    8 Error= 7.292E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.639E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.087E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.514E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.335E-05
+   ==> Level=    7 igr=    9 Error= 5.335E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.187E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.987E-02
+   ==> Step=    3 GR_pot:   10 Error= 6.537E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.417E-03
+   ==> Step=    5 GR_pot:   10 Error= 9.031E-04
+   ==> Step=    6 GR_pot:   10 Error= 3.378E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.263E-04
+   ==> Step=    8 GR_pot:   10 Error= 4.726E-05
+   ==> Level=    7 igr=   10 Error= 4.726E-05 Steps=    8
+   0.100000E+01  -0.151343E+01   0.273582E-01  -0.148607E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     82 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.66E-03 ekin= 5.68E-04
+ Fine step=     82 t=-1.51343E+00 dt= 2.736E-02 a= 4.238E-01 mem=16.1% 71.7%
+ Time elapsed since last coarse step:   27.36 s       26.09 mus/pt       33.92 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2971.58984     s
+   ==> Step=    1 GR_pot:    1 Error= 1.147E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.603E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.688E-03
+   ==> Step=    4 GR_pot:    1 Error= 5.846E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.169E-04
+   ==> Step=    6 GR_pot:    1 Error= 8.104E-05
+   ==> Level=    7 igr=    1 Error= 8.104E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.216E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.640E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.343E-03
+   ==> Step=    5 GR_pot:    2 Error= 5.018E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.877E-04
+   ==> Step=    7 GR_pot:    2 Error= 7.021E-05
+   ==> Level=    7 igr=    2 Error= 7.021E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.718E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.218E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.973E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.940E-05
+   ==> Level=    7 igr=    3 Error= 6.940E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.299E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.786E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.873E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.072E-02
+   ==> Step=    5 GR_pot:    4 Error= 4.008E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.499E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.608E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.098E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.848E-05
+   ==> Level=    7 igr=    4 Error= 7.848E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.963E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.751E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.627E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.030E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.074E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.613E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.392E-05
+   ==> Level=    7 igr=    5 Error= 6.392E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.963E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.751E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.627E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.030E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.074E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.613E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.392E-05
+   ==> Level=    7 igr=    6 Error= 6.392E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.445E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.275E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.772E-04
+   ==> Step=    5 GR_pot:    7 Error= 6.382E-05
+   ==> Level=    7 igr=    7 Error= 6.382E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.635E-03
+   ==> Step=    3 GR_pot:    8 Error= 7.976E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.068E-04
+   ==> Step=    5 GR_pot:    8 Error= 7.509E-05
+   ==> Level=    7 igr=    8 Error= 7.509E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.621E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.032E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.488E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.235E-05
+   ==> Level=    7 igr=    9 Error= 5.235E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.192E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.033E-02
+   ==> Step=    3 GR_pot:   10 Error= 6.732E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.491E-03
+   ==> Step=    5 GR_pot:   10 Error= 9.307E-04
+   ==> Step=    6 GR_pot:   10 Error= 3.481E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.302E-04
+   ==> Step=    8 GR_pot:   10 Error= 4.871E-05
+   ==> Level=    7 igr=   10 Error= 4.871E-05 Steps=    8
+   0.100000E+01  -0.148607E+01   0.268020E-01  -0.145927E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     83 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.72E-03 ekin= 5.89E-04
+ Fine step=     83 t=-1.48607E+00 dt= 2.680E-02 a= 4.283E-01 mem=16.1% 71.7%
+ Time elapsed since last coarse step:   27.39 s       26.12 mus/pt       33.83 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   2998.97998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.145E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.474E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.637E-03
+   ==> Step=    4 GR_pot:    1 Error= 5.657E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.099E-04
+   ==> Step=    6 GR_pot:    1 Error= 7.841E-05
+   ==> Level=    7 igr=    1 Error= 7.841E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.186E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.505E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.291E-03
+   ==> Step=    5 GR_pot:    2 Error= 4.826E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.805E-04
+   ==> Step=    7 GR_pot:    2 Error= 6.753E-05
+   ==> Level=    7 igr=    2 Error= 6.753E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.646E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.038E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.915E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.735E-05
+   ==> Level=    7 igr=    3 Error= 6.735E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.281E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.707E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.843E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.061E-02
+   ==> Step=    5 GR_pot:    4 Error= 3.967E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.484E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.551E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.076E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.768E-05
+   ==> Level=    7 igr=    4 Error= 7.768E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.955E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.667E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.592E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.016E-03
+   ==> Step=    5 GR_pot:    5 Error= 4.019E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.592E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.306E-05
+   ==> Level=    7 igr=    5 Error= 6.306E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.955E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.667E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.592E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.016E-03
+   ==> Step=    5 GR_pot:    6 Error= 4.019E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.592E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.306E-05
+   ==> Level=    7 igr=    6 Error= 6.306E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.422E-03
+   ==> Step=    3 GR_pot:    7 Error= 7.086E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.668E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.983E-05
+   ==> Level=    7 igr=    7 Error= 5.983E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.614E-03
+   ==> Step=    3 GR_pot:    8 Error= 7.689E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.913E-04
+   ==> Step=    5 GR_pot:    8 Error= 6.914E-05
+   ==> Level=    7 igr=    8 Error= 6.914E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.587E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.911E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.428E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.003E-05
+   ==> Level=    7 igr=    9 Error= 5.003E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.180E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.912E-02
+   ==> Step=    3 GR_pot:   10 Error= 6.230E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.302E-03
+   ==> Step=    5 GR_pot:   10 Error= 8.601E-04
+   ==> Step=    6 GR_pot:   10 Error= 3.217E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.203E-04
+   ==> Step=    8 GR_pot:   10 Error= 4.502E-05
+   ==> Level=    7 igr=   10 Error= 4.502E-05 Steps=    8
+   0.100000E+01  -0.145927E+01   0.267747E-01  -0.143249E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     84 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.78E-03 ekin= 6.10E-04
+ Fine step=     84 t=-1.45927E+00 dt= 2.677E-02 a= 4.329E-01 mem=16.1% 71.7%
+ Time elapsed since last coarse step:   27.42 s       26.15 mus/pt       33.74 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3026.39990     s
+   ==> Step=    1 GR_pot:    1 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.312E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.576E-03
+   ==> Step=    4 GR_pot:    1 Error= 5.428E-04
+   ==> Step=    5 GR_pot:    1 Error= 2.013E-04
+   ==> Step=    6 GR_pot:    1 Error= 7.522E-05
+   ==> Level=    7 igr=    1 Error= 7.522E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.152E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.357E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.236E-03
+   ==> Step=    5 GR_pot:    2 Error= 4.617E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.727E-04
+   ==> Step=    7 GR_pot:    2 Error= 6.461E-05
+   ==> Level=    7 igr=    2 Error= 6.461E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.624E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.906E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.866E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.558E-05
+   ==> Level=    7 igr=    3 Error= 6.558E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.258E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.609E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.807E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.047E-02
+   ==> Step=    5 GR_pot:    4 Error= 3.916E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.465E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.479E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.050E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.668E-05
+   ==> Level=    7 igr=    4 Error= 7.668E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.951E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.600E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.562E-03
+   ==> Step=    4 GR_pot:    5 Error= 1.005E-03
+   ==> Step=    5 GR_pot:    5 Error= 3.973E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.574E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.234E-05
+   ==> Level=    7 igr=    5 Error= 6.234E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.951E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.600E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.562E-03
+   ==> Step=    4 GR_pot:    6 Error= 1.005E-03
+   ==> Step=    5 GR_pot:    6 Error= 3.973E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.574E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.234E-05
+   ==> Level=    7 igr=    6 Error= 6.234E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.394E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.862E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.538E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.478E-05
+   ==> Level=    7 igr=    7 Error= 5.478E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.591E-03
+   ==> Step=    3 GR_pot:    8 Error= 7.375E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.737E-04
+   ==> Step=    5 GR_pot:    8 Error= 6.230E-05
+   ==> Level=    7 igr=    8 Error= 6.230E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.576E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.797E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.361E-04
+   ==> Step=    5 GR_pot:    9 Error= 4.743E-05
+   ==> Level=    7 igr=    9 Error= 4.743E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.166E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.764E-02
+   ==> Step=    3 GR_pot:   10 Error= 5.607E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.068E-03
+   ==> Step=    5 GR_pot:   10 Error= 7.724E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.889E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.081E-04
+   ==> Step=    8 GR_pot:   10 Error= 4.042E-05
+   ==> Level=    7 igr=   10 Error= 4.042E-05 Steps=    8
+   0.100000E+01  -0.143249E+01   0.255929E-01  -0.140690E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     85 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.84E-03 ekin= 6.32E-04
+ Fine step=     85 t=-1.43249E+00 dt= 2.559E-02 a= 4.375E-01 mem=16.1% 71.7%
+ Time elapsed since last coarse step:   27.36 s       26.09 mus/pt       33.65 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3053.76001     s
+   ==> Step=    1 GR_pot:    1 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.242E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.553E-03
+   ==> Step=    4 GR_pot:    1 Error= 5.336E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.979E-04
+   ==> Step=    6 GR_pot:    1 Error= 7.394E-05
+   ==> Level=    7 igr=    1 Error= 7.394E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.145E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.312E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.219E-03
+   ==> Step=    5 GR_pot:    2 Error= 4.554E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.703E-04
+   ==> Step=    7 GR_pot:    2 Error= 6.372E-05
+   ==> Level=    7 igr=    2 Error= 6.372E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.625E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.832E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.837E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.456E-05
+   ==> Level=    7 igr=    3 Error= 6.456E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.244E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.549E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.785E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.039E-02
+   ==> Step=    5 GR_pot:    4 Error= 3.885E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.453E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.436E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.034E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.607E-05
+   ==> Level=    7 igr=    4 Error= 7.607E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.952E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.559E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.543E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.969E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.943E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.562E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.187E-05
+   ==> Level=    7 igr=    5 Error= 6.187E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.952E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.559E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.543E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.969E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.943E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.562E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.187E-05
+   ==> Level=    7 igr=    6 Error= 6.187E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.396E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.916E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.564E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.577E-05
+   ==> Level=    7 igr=    7 Error= 5.577E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.630E-03
+   ==> Step=    3 GR_pot:    8 Error= 7.613E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.867E-04
+   ==> Step=    5 GR_pot:    8 Error= 6.736E-05
+   ==> Level=    7 igr=    8 Error= 6.736E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.560E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.746E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.338E-04
+   ==> Step=    5 GR_pot:    9 Error= 4.654E-05
+   ==> Level=    7 igr=    9 Error= 4.654E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.176E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.865E-02
+   ==> Step=    3 GR_pot:   10 Error= 6.044E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.233E-03
+   ==> Step=    5 GR_pot:   10 Error= 8.342E-04
+   ==> Step=    6 GR_pot:   10 Error= 3.120E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.167E-04
+   ==> Step=    8 GR_pot:   10 Error= 4.366E-05
+   ==> Level=    7 igr=   10 Error= 4.366E-05 Steps=    8
+   0.100000E+01  -0.140690E+01   0.252871E-01  -0.138161E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     86 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.91E-03 ekin= 6.54E-04
+ Fine step=     86 t=-1.40690E+00 dt= 2.529E-02 a= 4.421E-01 mem=16.1% 71.7%
+ Time elapsed since last coarse step:   27.32 s       26.06 mus/pt       33.56 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3081.07983     s
+   ==> Step=    1 GR_pot:    1 Error= 1.103E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.081E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.473E-03
+   ==> Step=    4 GR_pot:    1 Error= 5.033E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.866E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.971E-05
+   ==> Level=    7 igr=    1 Error= 6.971E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.118E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.181E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.169E-03
+   ==> Step=    5 GR_pot:    2 Error= 4.368E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.634E-04
+   ==> Step=    7 GR_pot:    2 Error= 6.113E-05
+   ==> Level=    7 igr=    2 Error= 6.113E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.518E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.611E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.766E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.200E-05
+   ==> Level=    7 igr=    3 Error= 6.200E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.219E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.439E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.743E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.024E-02
+   ==> Step=    5 GR_pot:    4 Error= 3.828E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.432E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.356E-04
+   ==> Step=    8 GR_pot:    4 Error= 2.004E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.495E-05
+   ==> Level=    7 igr=    4 Error= 7.495E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.951E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.534E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.531E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.921E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.924E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.554E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.157E-05
+   ==> Level=    7 igr=    5 Error= 6.157E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.952E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.534E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.531E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.921E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.924E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.554E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.157E-05
+   ==> Level=    7 igr=    6 Error= 6.157E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.395E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.699E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.425E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.034E-05
+   ==> Level=    7 igr=    7 Error= 5.034E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.631E-03
+   ==> Step=    3 GR_pot:    8 Error= 7.276E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.665E-04
+   ==> Step=    5 GR_pot:    8 Error= 5.949E-05
+   ==> Level=    7 igr=    8 Error= 5.949E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.506E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.593E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.262E-04
+   ==> Step=    5 GR_pot:    9 Error= 4.360E-05
+   ==> Level=    7 igr=    9 Error= 4.360E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.159E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.683E-02
+   ==> Step=    3 GR_pot:   10 Error= 5.268E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.941E-03
+   ==> Step=    5 GR_pot:   10 Error= 7.248E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.711E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.014E-04
+   ==> Step=    8 GR_pot:   10 Error= 3.794E-05
+   ==> Level=    7 igr=   10 Error= 3.794E-05 Steps=    8
+   0.100000E+01  -0.138161E+01   0.248056E-01  -0.135681E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     87 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.97E-03 ekin= 6.77E-04
+ Fine step=     87 t=-1.38161E+00 dt= 2.481E-02 a= 4.466E-01 mem=16.1% 71.8%
+ Time elapsed since last coarse step:   27.41 s       26.14 mus/pt       33.48 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3108.48999     s
+   ==> Step=    1 GR_pot:    1 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.049E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.437E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.886E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.811E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.767E-05
+   ==> Level=    7 igr=    1 Error= 6.767E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.104E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.104E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.140E-03
+   ==> Step=    5 GR_pot:    2 Error= 4.258E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.593E-04
+   ==> Step=    7 GR_pot:    2 Error= 5.958E-05
+   ==> Level=    7 igr=    2 Error= 5.958E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.425E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.471E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.725E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.055E-05
+   ==> Level=    7 igr=    3 Error= 6.055E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.202E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.365E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.716E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.013E-02
+   ==> Step=    5 GR_pot:    4 Error= 3.789E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.417E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.302E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.984E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.420E-05
+   ==> Level=    7 igr=    4 Error= 7.420E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.949E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.514E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.520E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.878E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.907E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.547E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.130E-05
+   ==> Level=    7 igr=    5 Error= 6.130E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.949E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.514E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.520E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.878E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.907E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.547E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.130E-05
+   ==> Level=    7 igr=    6 Error= 6.130E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.436E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.682E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.396E-04
+   ==> Step=    5 GR_pot:    7 Error= 4.915E-05
+   ==> Level=    7 igr=    7 Error= 4.915E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.642E-03
+   ==> Step=    3 GR_pot:    8 Error= 7.224E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.633E-04
+   ==> Step=    5 GR_pot:    8 Error= 5.827E-05
+   ==> Level=    7 igr=    8 Error= 5.827E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.479E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.521E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.225E-04
+   ==> Step=    5 GR_pot:    9 Error= 4.215E-05
+   ==> Level=    7 igr=    9 Error= 4.215E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.156E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.651E-02
+   ==> Step=    3 GR_pot:   10 Error= 5.129E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.888E-03
+   ==> Step=    5 GR_pot:   10 Error= 7.053E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.638E-04
+   ==> Step=    7 GR_pot:   10 Error= 9.868E-05
+   ==> Level=    7 igr=   10 Error= 9.868E-05 Steps=    7
+   0.100000E+01  -0.135681E+01   0.235054E-01  -0.133330E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     88 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.04E-03 ekin= 7.00E-04
+ Fine step=     88 t=-1.35681E+00 dt= 2.351E-02 a= 4.511E-01 mem=16.1% 71.8%
+ Time elapsed since last coarse step:   27.14 s       25.89 mus/pt       33.39 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3135.62988     s
+   ==> Step=    1 GR_pot:    1 Error= 1.111E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.153E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.444E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.900E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.816E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.784E-05
+   ==> Level=    7 igr=    1 Error= 6.784E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.095E-02
+   ==> Step=    3 GR_pot:    2 Error= 3.057E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.122E-03
+   ==> Step=    5 GR_pot:    2 Error= 4.192E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.568E-04
+   ==> Step=    7 GR_pot:    2 Error= 5.866E-05
+   ==> Level=    7 igr=    2 Error= 5.866E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.105E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.379E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.414E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.711E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.010E-05
+   ==> Level=    7 igr=    3 Error= 6.010E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.192E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.322E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.700E-02
+   ==> Step=    4 GR_pot:    4 Error= 1.007E-02
+   ==> Step=    5 GR_pot:    4 Error= 3.767E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.409E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.271E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.972E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.376E-05
+   ==> Level=    7 igr=    4 Error= 7.376E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.941E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.471E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.501E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.801E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.877E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.535E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.083E-05
+   ==> Level=    7 igr=    5 Error= 6.083E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.941E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.471E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.501E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.801E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.877E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.535E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.083E-05
+   ==> Level=    7 igr=    6 Error= 6.083E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.511E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.827E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.458E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.152E-05
+   ==> Level=    7 igr=    7 Error= 5.152E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.652E-03
+   ==> Step=    3 GR_pot:    8 Error= 7.350E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.716E-04
+   ==> Step=    5 GR_pot:    8 Error= 6.152E-05
+   ==> Level=    7 igr=    8 Error= 6.152E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.474E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.508E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.219E-04
+   ==> Step=    5 GR_pot:    9 Error= 4.191E-05
+   ==> Level=    7 igr=    9 Error= 4.191E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.163E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.725E-02
+   ==> Step=    3 GR_pot:   10 Error= 5.459E-03
+   ==> Step=    4 GR_pot:   10 Error= 2.013E-03
+   ==> Step=    5 GR_pot:   10 Error= 7.520E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.813E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.052E-04
+   ==> Step=    8 GR_pot:   10 Error= 3.936E-05
+   ==> Level=    7 igr=   10 Error= 3.936E-05 Steps=    8
+   0.100000E+01  -0.133330E+01   0.224536E-01  -0.131085E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     89 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.10E-03 ekin= 7.22E-04
+ Fine step=     89 t=-1.33330E+00 dt= 2.245E-02 a= 4.555E-01 mem=16.1% 71.8%
+ Time elapsed since last coarse step:   27.36 s       26.09 mus/pt       33.31 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3163.00000     s
+   ==> Step=    1 GR_pot:    1 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.169E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.426E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.825E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.788E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.680E-05
+   ==> Level=    7 igr=    1 Error= 6.680E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.078E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.972E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.090E-03
+   ==> Step=    5 GR_pot:    2 Error= 4.072E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.523E-04
+   ==> Step=    7 GR_pot:    2 Error= 5.697E-05
+   ==> Level=    7 igr=    2 Error= 5.697E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.386E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.326E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.678E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.892E-05
+   ==> Level=    7 igr=    3 Error= 5.892E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.175E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.247E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.672E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.970E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.728E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.394E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.216E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.951E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.299E-05
+   ==> Level=    7 igr=    4 Error= 7.299E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.934E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.422E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.479E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.716E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.843E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.522E-04
+   ==> Step=    7 GR_pot:    5 Error= 6.030E-05
+   ==> Level=    7 igr=    5 Error= 6.030E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.934E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.422E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.479E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.716E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.843E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.522E-04
+   ==> Step=    7 GR_pot:    6 Error= 6.030E-05
+   ==> Level=    7 igr=    6 Error= 6.030E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.537E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.812E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.438E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.071E-05
+   ==> Level=    7 igr=    7 Error= 5.071E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.633E-03
+   ==> Step=    3 GR_pot:    8 Error= 7.184E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.627E-04
+   ==> Step=    5 GR_pot:    8 Error= 5.809E-05
+   ==> Level=    7 igr=    8 Error= 5.809E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.490E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.453E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.181E-04
+   ==> Step=    5 GR_pot:    9 Error= 4.040E-05
+   ==> Level=    7 igr=    9 Error= 4.040E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.157E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.648E-02
+   ==> Step=    3 GR_pot:   10 Error= 5.125E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.887E-03
+   ==> Step=    5 GR_pot:   10 Error= 7.049E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.636E-04
+   ==> Step=    7 GR_pot:   10 Error= 9.862E-05
+   ==> Level=    7 igr=   10 Error= 9.862E-05 Steps=    7
+   0.100000E+01  -0.131085E+01   0.213844E-01  -0.128946E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     90 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.17E-03 ekin= 7.43E-04
+ Fine step=     90 t=-1.31085E+00 dt= 2.138E-02 a= 4.598E-01 mem=16.1% 71.8%
+ Time elapsed since last coarse step:   27.09 s       25.83 mus/pt       33.23 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3190.08984     s
+   ==> Step=    1 GR_pot:    1 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.215E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.426E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.821E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.786E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.674E-05
+   ==> Level=    7 igr=    1 Error= 6.674E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.065E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.905E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.064E-03
+   ==> Step=    5 GR_pot:    2 Error= 3.976E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.487E-04
+   ==> Step=    7 GR_pot:    2 Error= 5.564E-05
+   ==> Level=    7 igr=    2 Error= 5.564E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.475E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.361E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.678E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.891E-05
+   ==> Level=    7 igr=    3 Error= 5.891E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.162E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.193E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.652E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.894E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.699E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.384E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.176E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.936E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.244E-05
+   ==> Level=    7 igr=    4 Error= 7.244E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.927E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.383E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.461E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.644E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.814E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.511E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.985E-05
+   ==> Level=    7 igr=    5 Error= 5.985E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.927E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.383E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.461E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.644E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.814E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.511E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.985E-05
+   ==> Level=    7 igr=    6 Error= 5.985E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.564E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.864E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.458E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.146E-05
+   ==> Level=    7 igr=    7 Error= 5.146E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.621E-03
+   ==> Step=    3 GR_pot:    8 Error= 7.107E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.590E-04
+   ==> Step=    5 GR_pot:    8 Error= 5.668E-05
+   ==> Level=    7 igr=    8 Error= 5.668E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.548E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.468E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.168E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.981E-05
+   ==> Level=    7 igr=    9 Error= 3.981E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.154E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.621E-02
+   ==> Step=    3 GR_pot:   10 Error= 5.012E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.845E-03
+   ==> Step=    5 GR_pot:   10 Error= 6.889E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.577E-04
+   ==> Step=    7 GR_pot:   10 Error= 9.639E-05
+   ==> Level=    7 igr=   10 Error= 9.639E-05 Steps=    7
+   0.100000E+01  -0.128946E+01   0.210177E-01  -0.126844E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     91 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.23E-03 ekin= 7.65E-04
+ Fine step=     91 t=-1.28946E+00 dt= 2.102E-02 a= 4.639E-01 mem=16.1% 71.9%
+ Time elapsed since last coarse step:   27.14 s       25.88 mus/pt       33.15 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3217.21997     s
+   ==> Step=    1 GR_pot:    1 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.224E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.415E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.771E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.767E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.603E-05
+   ==> Level=    7 igr=    1 Error= 6.603E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.039E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.781E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.018E-03
+   ==> Step=    5 GR_pot:    2 Error= 3.801E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.422E-04
+   ==> Step=    7 GR_pot:    2 Error= 5.319E-05
+   ==> Level=    7 igr=    2 Error= 5.319E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.558E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.411E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.682E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.902E-05
+   ==> Level=    7 igr=    3 Error= 5.902E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.145E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.118E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.624E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.790E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.661E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.369E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.122E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.916E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.168E-05
+   ==> Level=    7 igr=    4 Error= 7.168E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.919E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.348E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.444E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.579E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.789E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.501E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.945E-05
+   ==> Level=    7 igr=    5 Error= 5.945E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.919E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.348E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.444E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.579E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.789E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.501E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.945E-05
+   ==> Level=    7 igr=    6 Error= 5.945E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.572E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.806E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.412E-04
+   ==> Step=    5 GR_pot:    7 Error= 4.962E-05
+   ==> Level=    7 igr=    7 Error= 4.962E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.574E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.820E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.431E-04
+   ==> Step=    5 GR_pot:    8 Error= 5.046E-05
+   ==> Level=    7 igr=    8 Error= 5.046E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.140E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.625E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.496E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.145E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.882E-05
+   ==> Level=    7 igr=    9 Error= 3.882E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.144E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.492E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.433E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.625E-03
+   ==> Step=    5 GR_pot:   10 Error= 6.068E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.269E-04
+   ==> Step=    7 GR_pot:   10 Error= 8.489E-05
+   ==> Level=    7 igr=   10 Error= 8.489E-05 Steps=    7
+   0.100000E+01  -0.126844E+01   0.205309E-01  -0.124791E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     92 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.29E-03 ekin= 7.86E-04
+ Fine step=     92 t=-1.26844E+00 dt= 2.053E-02 a= 4.680E-01 mem=16.1% 71.9%
+ Time elapsed since last coarse step:   28.53 s       27.21 mus/pt       33.09 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3245.75000     s
+   ==> Step=    1 GR_pot:    1 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.249E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.428E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.817E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.785E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.667E-05
+   ==> Level=    7 igr=    1 Error= 6.667E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.024E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.706E-03
+   ==> Step=    4 GR_pot:    2 Error= 9.895E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.696E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.383E-04
+   ==> Step=    7 GR_pot:    2 Error= 5.172E-05
+   ==> Level=    7 igr=    2 Error= 5.172E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.566E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.457E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.698E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.962E-05
+   ==> Level=    7 igr=    3 Error= 5.962E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.137E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.078E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.609E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.735E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.640E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.362E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.093E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.905E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.128E-05
+   ==> Level=    7 igr=    4 Error= 7.128E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.909E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.298E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.422E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.490E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.754E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.487E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.890E-05
+   ==> Level=    7 igr=    5 Error= 5.890E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.909E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.298E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.422E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.490E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.754E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.487E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.890E-05
+   ==> Level=    7 igr=    6 Error= 5.890E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.573E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.879E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.447E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.097E-05
+   ==> Level=    7 igr=    7 Error= 5.097E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.548E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.748E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.400E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.929E-05
+   ==> Level=    7 igr=    8 Error= 4.929E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.661E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.536E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.150E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.895E-05
+   ==> Level=    7 igr=    9 Error= 3.895E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.143E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.480E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.378E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.604E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.989E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.240E-04
+   ==> Step=    7 GR_pot:   10 Error= 8.378E-05
+   ==> Level=    7 igr=   10 Error= 8.378E-05 Steps=    7
+   0.100000E+01  -0.124791E+01   0.203481E-01  -0.122757E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     93 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.35E-03 ekin= 8.07E-04
+ Fine step=     93 t=-1.24791E+00 dt= 2.035E-02 a= 4.721E-01 mem=16.1% 71.9%
+ Time elapsed since last coarse step:   27.61 s       26.33 mus/pt       33.02 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3273.35986     s
+   ==> Step=    1 GR_pot:    1 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.257E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.436E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.846E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.795E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.707E-05
+   ==> Level=    7 igr=    1 Error= 6.707E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.010E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.636E-03
+   ==> Step=    4 GR_pot:    2 Error= 9.627E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.596E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.345E-04
+   ==> Step=    7 GR_pot:    2 Error= 5.031E-05
+   ==> Level=    7 igr=    2 Error= 5.031E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.563E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.490E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.709E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.006E-05
+   ==> Level=    7 igr=    3 Error= 6.006E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.125E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.023E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.588E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.658E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.611E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.351E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.053E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.890E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.071E-05
+   ==> Level=    7 igr=    4 Error= 7.071E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.903E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.249E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.400E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.402E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.719E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.473E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.835E-05
+   ==> Level=    7 igr=    5 Error= 5.835E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.903E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.249E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.400E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.402E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.719E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.473E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.835E-05
+   ==> Level=    7 igr=    6 Error= 5.835E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.566E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.896E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.447E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.093E-05
+   ==> Level=    7 igr=    7 Error= 5.093E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.535E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.623E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.324E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.627E-05
+   ==> Level=    7 igr=    8 Error= 4.627E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.685E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.550E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.140E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.849E-05
+   ==> Level=    7 igr=    9 Error= 3.849E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.138E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.416E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.082E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.491E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.567E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.082E-04
+   ==> Step=    7 GR_pot:   10 Error= 7.788E-05
+   ==> Level=    7 igr=   10 Error= 7.788E-05 Steps=    7
+   0.100000E+01  -0.122757E+01   0.200093E-01  -0.120756E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     94 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.42E-03 ekin= 8.29E-04
+ Fine step=     94 t=-1.22757E+00 dt= 2.001E-02 a= 4.762E-01 mem=16.1% 71.9%
+ Time elapsed since last coarse step:   27.48 s       26.20 mus/pt       32.94 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3300.82983     s
+   ==> Step=    1 GR_pot:    1 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.241E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.439E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.859E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.800E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.724E-05
+   ==> Level=    7 igr=    1 Error= 6.724E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.147E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.007E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.611E-03
+   ==> Step=    4 GR_pot:    2 Error= 9.531E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.560E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.332E-04
+   ==> Step=    7 GR_pot:    2 Error= 4.981E-05
+   ==> Level=    7 igr=    2 Error= 4.981E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.601E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.598E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.749E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.157E-05
+   ==> Level=    7 igr=    3 Error= 6.157E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.121E-01
+   ==> Step=    2 GR_pot:    4 Error= 7.006E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.582E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.634E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.602E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.347E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.040E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.886E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.054E-05
+   ==> Level=    7 igr=    4 Error= 7.054E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.902E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.201E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.377E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.314E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.684E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.459E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.780E-05
+   ==> Level=    7 igr=    5 Error= 5.780E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.902E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.201E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.377E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.314E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.684E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.459E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.780E-05
+   ==> Level=    7 igr=    6 Error= 5.780E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.547E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.949E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.477E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.207E-05
+   ==> Level=    7 igr=    7 Error= 5.207E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.540E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.620E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.319E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.608E-05
+   ==> Level=    7 igr=    8 Error= 4.608E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.707E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.596E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.158E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.919E-05
+   ==> Level=    7 igr=    9 Error= 3.919E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.138E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.419E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.091E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.495E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.580E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.087E-04
+   ==> Step=    7 GR_pot:   10 Error= 7.806E-05
+   ==> Level=    7 igr=   10 Error= 7.806E-05 Steps=    7
+   0.100000E+01  -0.120756E+01   0.199364E-01  -0.118762E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     95 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.48E-03 ekin= 8.51E-04
+ Fine step=     95 t=-1.20756E+00 dt= 1.994E-02 a= 4.802E-01 mem=16.1% 71.9%
+ Time elapsed since last coarse step:   27.48 s       26.20 mus/pt       32.87 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3328.30981     s
+   ==> Step=    1 GR_pot:    1 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.187E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.429E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.820E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.786E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.670E-05
+   ==> Level=    7 igr=    1 Error= 6.670E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.943E-03
+   ==> Step=    3 GR_pot:    2 Error= 2.553E-03
+   ==> Step=    4 GR_pot:    2 Error= 9.314E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.479E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.301E-04
+   ==> Step=    7 GR_pot:    2 Error= 4.868E-05
+   ==> Level=    7 igr=    2 Error= 4.868E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.651E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.639E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.761E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.205E-05
+   ==> Level=    7 igr=    3 Error= 6.205E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.112E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.968E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.568E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.582E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.583E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.340E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.013E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.875E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.015E-05
+   ==> Level=    7 igr=    4 Error= 7.015E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.904E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.146E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.352E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.216E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.645E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.444E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.720E-05
+   ==> Level=    7 igr=    5 Error= 5.720E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.904E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.146E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.352E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.216E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.645E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.444E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.720E-05
+   ==> Level=    7 igr=    6 Error= 5.720E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.516E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.905E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.456E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.125E-05
+   ==> Level=    7 igr=    7 Error= 5.125E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.527E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.536E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.265E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.392E-05
+   ==> Level=    7 igr=    8 Error= 4.392E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.731E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.613E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.158E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.915E-05
+   ==> Level=    7 igr=    9 Error= 3.915E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.134E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.373E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.868E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.410E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.260E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.967E-04
+   ==> Step=    7 GR_pot:   10 Error= 7.358E-05
+   ==> Level=    7 igr=   10 Error= 7.358E-05 Steps=    7
+   0.100000E+01  -0.118762E+01   0.197864E-01  -0.116783E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     96 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.55E-03 ekin= 8.74E-04
+ Fine step=     96 t=-1.18762E+00 dt= 1.979E-02 a= 4.844E-01 mem=16.1% 71.9%
+ Time elapsed since last coarse step:   27.49 s       26.22 mus/pt       32.81 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3355.79980     s
+   ==> Step=    1 GR_pot:    1 Error= 1.106E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.187E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.431E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.826E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.788E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.678E-05
+   ==> Level=    7 igr=    1 Error= 6.678E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.142E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.803E-03
+   ==> Step=    3 GR_pot:    2 Error= 2.500E-03
+   ==> Step=    4 GR_pot:    2 Error= 9.115E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.404E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.273E-04
+   ==> Step=    7 GR_pot:    2 Error= 4.763E-05
+   ==> Level=    7 igr=    2 Error= 4.763E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.149E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.709E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.665E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.767E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.228E-05
+   ==> Level=    7 igr=    3 Error= 6.228E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.106E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.944E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.559E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.548E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.570E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.335E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.995E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.869E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.991E-05
+   ==> Level=    7 igr=    4 Error= 6.991E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.909E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.092E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.327E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.117E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.606E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.428E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.658E-05
+   ==> Level=    7 igr=    5 Error= 5.658E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.909E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.092E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.327E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.117E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.606E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.428E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.658E-05
+   ==> Level=    7 igr=    6 Error= 5.658E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.491E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.899E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.461E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.144E-05
+   ==> Level=    7 igr=    7 Error= 5.144E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.495E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.483E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.244E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.310E-05
+   ==> Level=    7 igr=    8 Error= 4.310E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.147E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.745E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.635E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.169E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.960E-05
+   ==> Level=    7 igr=    9 Error= 3.960E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.132E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.366E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.832E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.396E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.208E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.948E-04
+   ==> Step=    7 GR_pot:   10 Error= 7.285E-05
+   ==> Level=    7 igr=   10 Error= 7.285E-05 Steps=    7
+   0.100000E+01  -0.116783E+01   0.195900E-01  -0.114824E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     97 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.62E-03 ekin= 8.97E-04
+ Fine step=     97 t=-1.16783E+00 dt= 1.959E-02 a= 4.886E-01 mem=16.1% 72.0%
+ Time elapsed since last coarse step:   27.47 s       26.20 mus/pt       32.74 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3383.27002     s
+   ==> Step=    1 GR_pot:    1 Error= 1.095E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.119E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.412E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.756E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.762E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.581E-05
+   ==> Level=    7 igr=    1 Error= 6.581E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.645E-03
+   ==> Step=    3 GR_pot:    2 Error= 2.446E-03
+   ==> Step=    4 GR_pot:    2 Error= 8.914E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.329E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.245E-04
+   ==> Step=    7 GR_pot:    2 Error= 4.659E-05
+   ==> Level=    7 igr=    2 Error= 4.659E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.155E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.751E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.678E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.767E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.232E-05
+   ==> Level=    7 igr=    3 Error= 6.232E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.099E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.912E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.547E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.503E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.553E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.329E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.972E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.860E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.958E-05
+   ==> Level=    7 igr=    4 Error= 6.958E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.916E-02
+   ==> Step=    2 GR_pot:    5 Error= 7.035E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.301E-03
+   ==> Step=    4 GR_pot:    5 Error= 9.014E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.565E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.412E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.594E-05
+   ==> Level=    7 igr=    5 Error= 5.594E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.916E-02
+   ==> Step=    2 GR_pot:    6 Error= 7.035E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.301E-03
+   ==> Step=    4 GR_pot:    6 Error= 9.014E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.565E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.412E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.594E-05
+   ==> Level=    7 igr=    6 Error= 5.594E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.109E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.423E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.803E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.437E-04
+   ==> Step=    5 GR_pot:    7 Error= 5.059E-05
+   ==> Level=    7 igr=    7 Error= 5.059E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.453E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.423E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.221E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.218E-05
+   ==> Level=    7 igr=    8 Error= 4.218E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.147E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.748E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.643E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.176E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.988E-05
+   ==> Level=    7 igr=    9 Error= 3.988E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.131E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.354E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.776E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.374E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.126E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.917E-04
+   ==> Step=    7 GR_pot:   10 Error= 7.171E-05
+   ==> Level=    7 igr=   10 Error= 7.171E-05 Steps=    7
+   0.100000E+01  -0.114824E+01   0.198410E-01  -0.112840E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     98 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.69E-03 ekin= 9.20E-04
+ Fine step=     98 t=-1.14824E+00 dt= 1.984E-02 a= 4.928E-01 mem=16.1% 72.0%
+ Time elapsed since last coarse step:   27.54 s       26.26 mus/pt       32.67 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3410.80981     s
+   ==> Step=    1 GR_pot:    1 Error= 1.092E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.988E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.359E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.558E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.688E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.307E-05
+   ==> Level=    7 igr=    1 Error= 6.307E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.471E-03
+   ==> Step=    3 GR_pot:    2 Error= 2.374E-03
+   ==> Step=    4 GR_pot:    2 Error= 8.641E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.227E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.207E-04
+   ==> Step=    7 GR_pot:    2 Error= 4.515E-05
+   ==> Level=    7 igr=    2 Error= 4.515E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.155E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.810E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.700E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.763E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.217E-05
+   ==> Level=    7 igr=    3 Error= 6.217E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.084E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.843E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.521E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.408E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.517E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.316E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.922E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.841E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.888E-05
+   ==> Level=    7 igr=    4 Error= 6.888E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.925E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.970E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.272E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.900E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.520E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.394E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.523E-05
+   ==> Level=    7 igr=    5 Error= 5.523E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.925E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.970E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.272E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.900E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.520E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.394E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.523E-05
+   ==> Level=    7 igr=    6 Error= 5.523E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.109E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.351E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.577E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.342E-04
+   ==> Step=    5 GR_pot:    7 Error= 4.700E-05
+   ==> Level=    7 igr=    7 Error= 4.700E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.422E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.327E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.163E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.985E-05
+   ==> Level=    7 igr=    8 Error= 3.985E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.775E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.649E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.164E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.939E-05
+   ==> Level=    7 igr=    9 Error= 3.939E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.128E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.300E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.506E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.271E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.739E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.772E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.629E-05
+   ==> Level=    7 igr=   10 Error= 6.629E-05 Steps=    7
+   0.100000E+01  -0.112840E+01   0.132064E-01  -0.111520E+01  -0.111520E+01   0.500000E+00
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=     99 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.76E-03 ekin= 9.45E-04
+ Fine step=     99 t=-1.12840E+00 dt= 1.321E-02 a= 4.971E-01 mem=16.1% 72.0%
+ Time elapsed since last coarse step:   27.47 s       26.20 mus/pt       32.61 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3438.27002     s
+   ==> Step=    1 GR_pot:    1 Error= 1.083E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.270E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.442E-03
+   ==> Step=    4 GR_pot:    1 Error= 4.835E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.790E-04
+   ==> Step=    6 GR_pot:    1 Error= 6.686E-05
+   ==> Level=    7 igr=    1 Error= 6.686E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    2 Error= 1.047E-02
+   ==> Step=    3 GR_pot:    2 Error= 2.836E-03
+   ==> Step=    4 GR_pot:    2 Error= 1.038E-03
+   ==> Step=    5 GR_pot:    2 Error= 3.879E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.451E-04
+   ==> Step=    7 GR_pot:    2 Error= 5.428E-05
+   ==> Level=    7 igr=    2 Error= 5.428E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.907E-03
+   ==> Step=    3 GR_pot:    3 Error= 8.389E-04
+   ==> Step=    4 GR_pot:    3 Error= 2.031E-04
+   ==> Step=    5 GR_pot:    3 Error= 7.198E-05
+   ==> Level=    7 igr=    3 Error= 7.198E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.111E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.975E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.568E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.581E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.582E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.340E-03
+   ==> Step=    7 GR_pot:    4 Error= 5.013E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.875E-04
+   ==> Step=    9 GR_pot:    4 Error= 7.015E-05
+   ==> Level=    7 igr=    4 Error= 7.015E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.930E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.922E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.251E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.817E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.487E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.381E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.472E-05
+   ==> Level=    7 igr=    5 Error= 5.472E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.930E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.922E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.251E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.817E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.487E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.381E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.472E-05
+   ==> Level=    7 igr=    6 Error= 5.472E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.101E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.678E-03
+   ==> Step=    3 GR_pot:    7 Error= 8.215E-04
+   ==> Step=    4 GR_pot:    7 Error= 2.121E-04
+   ==> Step=    5 GR_pot:    7 Error= 7.670E-05
+   ==> Level=    7 igr=    7 Error= 7.670E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.779E-03
+   ==> Step=    3 GR_pot:    8 Error= 9.493E-04
+   ==> Step=    4 GR_pot:    8 Error= 2.837E-04
+   ==> Step=    5 GR_pot:    8 Error= 1.045E-04
+   ==> Step=    6 GR_pot:    8 Error= 3.907E-05
+   ==> Level=    7 igr=    8 Error= 3.907E-05 Steps=    6
+   ==> Step=    1 GR_pot:    9 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.818E-03
+   ==> Step=    3 GR_pot:    9 Error= 7.349E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.566E-04
+   ==> Step=    5 GR_pot:    9 Error= 5.510E-05
+   ==> Level=    7 igr=    9 Error= 5.510E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.283E-01
+   ==> Step=    2 GR_pot:   10 Error= 2.757E-02
+   ==> Step=    3 GR_pot:   10 Error= 9.637E-03
+   ==> Step=    4 GR_pot:   10 Error= 3.581E-03
+   ==> Step=    5 GR_pot:   10 Error= 1.338E-03
+   ==> Step=    6 GR_pot:   10 Error= 5.005E-04
+   ==> Step=    7 GR_pot:   10 Error= 1.872E-04
+   ==> Step=    8 GR_pot:   10 Error= 7.005E-05
+   ==> Level=    7 igr=   10 Error= 7.005E-05 Steps=    8
+   0.100000E+01  -0.111520E+01   0.201136E-01  -0.109508E+01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    100 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.81E-03 ekin= 9.62E-04
+ Fine step=    100 t=-1.11520E+00 dt= 2.011E-02 a= 5.000E-01 mem=16.1% 72.0%
+ Time elapsed since last coarse step:   28.97 s       27.63 mus/pt       32.56 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3467.23999     s
+   ==> Step=    1 GR_pot:    1 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.489E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.077E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.479E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.286E-04
+   ==> Step=    6 GR_pot:    1 Error= 4.805E-05
+   ==> Level=    7 igr=    1 Error= 4.805E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.637E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.946E-03
+   ==> Step=    4 GR_pot:    2 Error= 7.011E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.617E-04
+   ==> Step=    6 GR_pot:    2 Error= 9.789E-05
+   ==> Level=    7 igr=    2 Error= 9.789E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.157E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.760E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.251E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.552E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.426E-05
+   ==> Level=    7 igr=    3 Error= 5.426E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.925E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.115E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.250E-02
+   ==> Step=    4 GR_pot:    4 Error= 8.396E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.139E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.174E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.393E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.643E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.147E-05
+   ==> Level=    7 igr=    4 Error= 6.147E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.932E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.860E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.224E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.710E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.445E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.364E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.406E-05
+   ==> Level=    7 igr=    5 Error= 5.406E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.932E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.860E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.224E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.710E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.445E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.364E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.406E-05
+   ==> Level=    7 igr=    6 Error= 5.406E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.177E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.685E-04
+   ==> Step=    4 GR_pot:    7 Error= 8.431E-05
+   ==> Level=    7 igr=    7 Error= 8.431E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.440E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.846E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.522E-04
+   ==> Step=    5 GR_pot:    8 Error= 5.418E-05
+   ==> Level=    7 igr=    8 Error= 5.418E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.150E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.816E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.404E-04
+   ==> Step=    4 GR_pot:    9 Error= 9.124E-05
+   ==> Level=    7 igr=    9 Error= 9.124E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.157E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.583E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.851E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.782E-03
+   ==> Step=    5 GR_pot:   10 Error= 6.652E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.488E-04
+   ==> Step=    7 GR_pot:   10 Error= 9.305E-05
+   ==> Level=    7 igr=   10 Error= 9.305E-05 Steps=    7
+   0.100000E+01  -0.109508E+01   0.200185E-01  -0.107506E+01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    101 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.89E-03 ekin= 9.88E-04
+ Fine step=    101 t=-1.09508E+00 dt= 2.002E-02 a= 5.045E-01 mem=16.1% 72.0%
+ Time elapsed since last coarse step:   26.65 s       25.42 mus/pt       32.49 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3493.88989     s
+   ==> Step=    1 GR_pot:    1 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.680E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.201E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.960E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.465E-04
+   ==> Step=    6 GR_pot:    1 Error= 5.474E-05
+   ==> Level=    7 igr=    1 Error= 5.474E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.321E-03
+   ==> Step=    3 GR_pot:    2 Error= 2.316E-03
+   ==> Step=    4 GR_pot:    2 Error= 8.424E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.146E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.177E-04
+   ==> Step=    7 GR_pot:    2 Error= 4.402E-05
+   ==> Level=    7 igr=    2 Error= 4.402E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.773E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.757E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.799E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.357E-05
+   ==> Level=    7 igr=    3 Error= 6.357E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.055E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.717E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.474E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.231E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.451E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.291E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.829E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.807E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.758E-05
+   ==> Level=    7 igr=    4 Error= 6.758E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.935E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.780E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.191E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.578E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.393E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.344E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.324E-05
+   ==> Level=    7 igr=    5 Error= 5.324E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.935E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.780E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.191E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.578E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.393E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.344E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.324E-05
+   ==> Level=    7 igr=    6 Error= 5.324E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.190E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.145E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.181E-04
+   ==> Step=    5 GR_pot:    7 Error= 4.093E-05
+   ==> Level=    7 igr=    7 Error= 4.093E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.412E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.318E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.144E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.901E-05
+   ==> Level=    7 igr=    8 Error= 3.901E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.140E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.742E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.690E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.198E-04
+   ==> Step=    5 GR_pot:    9 Error= 4.073E-05
+   ==> Level=    7 igr=    9 Error= 4.073E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.127E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.293E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.478E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.260E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.698E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.757E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.572E-05
+   ==> Level=    7 igr=   10 Error= 6.572E-05 Steps=    7
+   0.100000E+01  -0.107506E+01   0.196340E-01  -0.105543E+01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    102 mcons= 0.00E+00 econs=-3.36E-01 epot=-2.97E-03 ekin= 1.01E-03
+ Fine step=    102 t=-1.07506E+00 dt= 1.963E-02 a= 5.091E-01 mem=16.1% 72.0%
+ Time elapsed since last coarse step:   27.49 s       26.22 mus/pt       32.43 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3521.37988     s
+   ==> Step=    1 GR_pot:    1 Error= 1.111E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.606E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.166E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.823E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.414E-04
+   ==> Step=    6 GR_pot:    1 Error= 5.281E-05
+   ==> Level=    7 igr=    1 Error= 5.281E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.360E-03
+   ==> Step=    3 GR_pot:    2 Error= 2.329E-03
+   ==> Step=    4 GR_pot:    2 Error= 8.472E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.164E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.183E-04
+   ==> Step=    7 GR_pot:    2 Error= 4.427E-05
+   ==> Level=    7 igr=    2 Error= 4.427E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.716E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.732E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.801E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.367E-05
+   ==> Level=    7 igr=    3 Error= 6.367E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.045E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.673E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.457E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.169E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.428E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.282E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.797E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.795E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.713E-05
+   ==> Level=    7 igr=    4 Error= 6.713E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.937E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.705E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.159E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.455E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.344E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.324E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.247E-05
+   ==> Level=    7 igr=    5 Error= 5.247E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.937E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.705E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.159E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.455E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.344E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.324E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.247E-05
+   ==> Level=    7 igr=    6 Error= 5.247E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.188E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.119E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.158E-04
+   ==> Step=    5 GR_pot:    7 Error= 4.001E-05
+   ==> Level=    7 igr=    7 Error= 4.001E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.443E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.367E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.149E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.914E-05
+   ==> Level=    7 igr=    8 Error= 3.914E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.715E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.689E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.201E-04
+   ==> Step=    5 GR_pot:    9 Error= 4.081E-05
+   ==> Level=    7 igr=    9 Error= 4.081E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.126E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.305E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.533E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.281E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.777E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.786E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.682E-05
+   ==> Level=    7 igr=   10 Error= 6.682E-05 Steps=    7
+   0.100000E+01  -0.105543E+01   0.191824E-01  -0.103625E+01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    103 mcons= 0.00E+00 econs=-3.36E-01 epot=-3.05E-03 ekin= 1.04E-03
+ Fine step=    103 t=-1.05543E+00 dt= 1.918E-02 a= 5.136E-01 mem=16.1% 72.0%
+ Time elapsed since last coarse step:   27.53 s       26.25 mus/pt       32.37 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3548.90991     s
+   ==> Step=    1 GR_pot:    1 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.604E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.146E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.734E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.380E-04
+   ==> Step=    6 GR_pot:    1 Error= 5.156E-05
+   ==> Level=    7 igr=    1 Error= 5.156E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.394E-03
+   ==> Step=    3 GR_pot:    2 Error= 2.336E-03
+   ==> Step=    4 GR_pot:    2 Error= 8.495E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.172E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.187E-04
+   ==> Step=    7 GR_pot:    2 Error= 4.439E-05
+   ==> Level=    7 igr=    2 Error= 4.439E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.642E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.697E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.798E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.356E-05
+   ==> Level=    7 igr=    3 Error= 6.356E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.034E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.626E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.439E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.102E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.403E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.273E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.762E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.781E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.664E-05
+   ==> Level=    7 igr=    4 Error= 6.664E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.932E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.633E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.130E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.340E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.299E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.307E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.176E-05
+   ==> Level=    7 igr=    5 Error= 5.176E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.932E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.633E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.130E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.340E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.299E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.307E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.176E-05
+   ==> Level=    7 igr=    6 Error= 5.176E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.206E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.118E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.136E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.903E-05
+   ==> Level=    7 igr=    7 Error= 3.903E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.480E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.406E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.141E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.867E-05
+   ==> Level=    7 igr=    8 Error= 3.867E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.691E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.694E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.200E-04
+   ==> Step=    5 GR_pot:    9 Error= 4.071E-05
+   ==> Level=    7 igr=    9 Error= 4.071E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.124E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.304E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.524E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.277E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.762E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.781E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.661E-05
+   ==> Level=    7 igr=   10 Error= 6.661E-05 Steps=    7
+   0.100000E+01  -0.103625E+01   0.188146E-01  -0.101743E+01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    104 mcons= 0.00E+00 econs=-3.36E-01 epot=-3.13E-03 ekin= 1.07E-03
+ Fine step=    104 t=-1.03625E+00 dt= 1.881E-02 a= 5.181E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   27.47 s       26.20 mus/pt       32.31 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3576.37988     s
+   ==> Step=    1 GR_pot:    1 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.616E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.129E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.656E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.351E-04
+   ==> Step=    6 GR_pot:    1 Error= 5.046E-05
+   ==> Level=    7 igr=    1 Error= 5.046E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.377E-03
+   ==> Step=    3 GR_pot:    2 Error= 2.321E-03
+   ==> Step=    4 GR_pot:    2 Error= 8.434E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.150E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.178E-04
+   ==> Step=    7 GR_pot:    2 Error= 4.407E-05
+   ==> Level=    7 igr=    2 Error= 4.407E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.590E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.640E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.777E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.280E-05
+   ==> Level=    7 igr=    3 Error= 6.280E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 2.018E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.556E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.413E-02
+   ==> Step=    4 GR_pot:    4 Error= 9.004E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.367E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.259E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.711E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.762E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.593E-05
+   ==> Level=    7 igr=    4 Error= 6.593E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.920E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.553E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.099E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.218E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.250E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.287E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.100E-05
+   ==> Level=    7 igr=    5 Error= 5.100E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.920E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.553E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.099E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.218E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.250E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.287E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.100E-05
+   ==> Level=    7 igr=    6 Error= 5.100E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.240E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.127E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.109E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.784E-05
+   ==> Level=    7 igr=    7 Error= 3.784E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.508E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.414E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.112E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.738E-05
+   ==> Level=    7 igr=    8 Error= 3.738E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.682E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.683E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.181E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.987E-05
+   ==> Level=    7 igr=    9 Error= 3.987E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.121E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.291E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.449E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.248E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.654E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.740E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.510E-05
+   ==> Level=    7 igr=   10 Error= 6.510E-05 Steps=    7
+   0.100000E+01  -0.101743E+01   0.187313E-01  -0.998702E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    105 mcons= 0.00E+00 econs=-3.36E-01 epot=-3.22E-03 ekin= 1.10E-03
+ Fine step=    105 t=-1.01743E+00 dt= 1.873E-02 a= 5.226E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   27.45 s       26.18 mus/pt       32.25 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3603.82983     s
+   ==> Step=    1 GR_pot:    1 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.650E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.112E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.577E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.321E-04
+   ==> Step=    6 GR_pot:    1 Error= 4.936E-05
+   ==> Level=    7 igr=    1 Error= 4.936E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.291E-03
+   ==> Step=    3 GR_pot:    2 Error= 2.272E-03
+   ==> Step=    4 GR_pot:    2 Error= 8.245E-04
+   ==> Step=    5 GR_pot:    2 Error= 3.078E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.151E-04
+   ==> Step=    7 GR_pot:    2 Error= 4.307E-05
+   ==> Level=    7 igr=    2 Error= 4.307E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.112E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.581E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.603E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.754E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.188E-05
+   ==> Level=    7 igr=    3 Error= 6.188E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.996E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.461E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.378E-02
+   ==> Step=    4 GR_pot:    4 Error= 8.871E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.317E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.241E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.641E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.736E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.495E-05
+   ==> Level=    7 igr=    4 Error= 6.495E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.903E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.479E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.070E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.105E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.206E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.270E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.030E-05
+   ==> Level=    7 igr=    5 Error= 5.030E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.903E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.479E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.070E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.105E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.206E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.270E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.030E-05
+   ==> Level=    7 igr=    6 Error= 5.030E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.307E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.157E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.077E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.638E-05
+   ==> Level=    7 igr=    7 Error= 3.638E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.538E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.393E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.065E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.534E-05
+   ==> Level=    7 igr=    8 Error= 3.534E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.703E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.674E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.147E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.841E-05
+   ==> Level=    7 igr=    9 Error= 3.841E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.119E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.267E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.317E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.197E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.463E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.669E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.243E-05
+   ==> Level=    7 igr=   10 Error= 6.243E-05 Steps=    7
+   0.100000E+01  -0.998702E+00   0.185985E-01  -0.980103E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    106 mcons= 0.00E+00 econs=-3.36E-01 epot=-3.30E-03 ekin= 1.12E-03
+ Fine step=    106 t=-9.98702E-01 dt= 1.860E-02 a= 5.271E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   27.45 s       26.18 mus/pt       32.19 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3631.28003     s
+   ==> Step=    1 GR_pot:    1 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.685E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.107E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.545E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.309E-04
+   ==> Step=    6 GR_pot:    1 Error= 4.889E-05
+   ==> Level=    7 igr=    1 Error= 4.889E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.110E-01
+   ==> Step=    2 GR_pot:    2 Error= 9.145E-03
+   ==> Step=    3 GR_pot:    2 Error= 2.200E-03
+   ==> Step=    4 GR_pot:    2 Error= 7.969E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.975E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.113E-04
+   ==> Step=    7 GR_pot:    2 Error= 4.163E-05
+   ==> Level=    7 igr=    2 Error= 4.163E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.098E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.591E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.605E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.738E-04
+   ==> Step=    5 GR_pot:    3 Error= 6.124E-05
+   ==> Level=    7 igr=    3 Error= 6.124E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.974E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.357E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.339E-02
+   ==> Step=    4 GR_pot:    4 Error= 8.725E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.262E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.220E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.565E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.708E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.388E-05
+   ==> Level=    7 igr=    4 Error= 6.388E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.880E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.413E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.046E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.008E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.167E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.254E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.970E-05
+   ==> Level=    7 igr=    5 Error= 4.970E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.880E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.413E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.046E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.008E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.167E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.254E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.970E-05
+   ==> Level=    7 igr=    6 Error= 4.970E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.385E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.241E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.073E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.601E-05
+   ==> Level=    7 igr=    7 Error= 3.601E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.548E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.344E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.016E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.330E-05
+   ==> Level=    7 igr=    8 Error= 3.330E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.744E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.687E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.121E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.722E-05
+   ==> Level=    7 igr=    9 Error= 3.722E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.120E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.253E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.244E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.169E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.358E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.630E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.096E-05
+   ==> Level=    7 igr=   10 Error= 6.096E-05 Steps=    7
+   0.100000E+01  -0.980103E+00   0.179401E-01  -0.962163E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    107 mcons= 0.00E+00 econs=-3.36E-01 epot=-3.39E-03 ekin= 1.15E-03
+ Fine step=    107 t=-9.80103E-01 dt= 1.794E-02 a= 5.317E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   27.44 s       26.17 mus/pt       32.14 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3658.71997     s
+   ==> Step=    1 GR_pot:    1 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.812E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.121E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.571E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.318E-04
+   ==> Step=    6 GR_pot:    1 Error= 4.923E-05
+   ==> Level=    7 igr=    1 Error= 4.923E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.102E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.966E-03
+   ==> Step=    3 GR_pot:    2 Error= 2.107E-03
+   ==> Step=    4 GR_pot:    2 Error= 7.614E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.842E-04
+   ==> Step=    6 GR_pot:    2 Error= 1.063E-04
+   ==> Step=    7 GR_pot:    2 Error= 3.977E-05
+   ==> Level=    7 igr=    2 Error= 3.977E-05 Steps=    7
+   ==> Step=    1 GR_pot:    3 Error= 1.097E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.619E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.566E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.706E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.999E-05
+   ==> Level=    7 igr=    3 Error= 5.999E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.949E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.241E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.295E-02
+   ==> Step=    4 GR_pot:    4 Error= 8.561E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.201E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.197E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.479E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.676E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.268E-05
+   ==> Level=    7 igr=    4 Error= 6.268E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.863E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.370E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.030E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.946E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.143E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.245E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.931E-05
+   ==> Level=    7 igr=    5 Error= 4.931E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.863E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.370E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.030E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.946E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.143E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.245E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.931E-05
+   ==> Level=    7 igr=    6 Error= 4.931E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.508E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.407E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.104E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.703E-05
+   ==> Level=    7 igr=    7 Error= 3.703E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.542E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.272E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.684E-05
+   ==> Level=    7 igr=    8 Error= 9.684E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.756E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.651E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.093E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.605E-05
+   ==> Level=    7 igr=    9 Error= 3.605E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.122E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.249E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.227E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.163E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.337E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.622E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.067E-05
+   ==> Level=    7 igr=   10 Error= 6.067E-05 Steps=    7
+   0.100000E+01  -0.962163E+00   0.176348E-01  -0.944529E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    108 mcons= 0.00E+00 econs=-3.36E-01 epot=-3.48E-03 ekin= 1.18E-03
+ Fine step=    108 t=-9.62163E-01 dt= 1.763E-02 a= 5.362E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   27.16 s       25.90 mus/pt       32.08 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3685.87988     s
+   ==> Step=    1 GR_pot:    1 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.938E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.125E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.560E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.313E-04
+   ==> Step=    6 GR_pot:    1 Error= 4.904E-05
+   ==> Level=    7 igr=    1 Error= 4.904E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.107E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.718E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.959E-03
+   ==> Step=    4 GR_pot:    2 Error= 7.043E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.629E-04
+   ==> Step=    6 GR_pot:    2 Error= 9.831E-05
+   ==> Level=    7 igr=    2 Error= 9.831E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.107E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.584E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.343E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.609E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.633E-05
+   ==> Level=    7 igr=    3 Error= 5.633E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.910E-01
+   ==> Step=    2 GR_pot:    4 Error= 6.061E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.227E-02
+   ==> Step=    4 GR_pot:    4 Error= 8.310E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.107E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.162E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.347E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.626E-04
+   ==> Step=    9 GR_pot:    4 Error= 6.084E-05
+   ==> Level=    7 igr=    4 Error= 6.084E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.857E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.353E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.023E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.920E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.133E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.241E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.915E-05
+   ==> Level=    7 igr=    5 Error= 4.915E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.857E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.353E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.023E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.920E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.133E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.241E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.915E-05
+   ==> Level=    7 igr=    6 Error= 4.915E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.602E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.466E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.074E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.559E-05
+   ==> Level=    7 igr=    7 Error= 3.559E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.530E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.186E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.110E-05
+   ==> Level=    7 igr=    8 Error= 9.110E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.718E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.507E-04
+   ==> Step=    4 GR_pot:    9 Error= 1.016E-04
+   ==> Step=    5 GR_pot:    9 Error= 3.293E-05
+   ==> Level=    7 igr=    9 Error= 3.293E-05 Steps=    5
+   ==> Step=    1 GR_pot:   10 Error= 1.121E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.214E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.046E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.094E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.078E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.525E-04
+   ==> Step=    7 GR_pot:   10 Error= 5.704E-05
+   ==> Level=    7 igr=   10 Error= 5.704E-05 Steps=    7
+   0.100000E+01  -0.944529E+00   0.173977E-01  -0.927131E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    109 mcons= 0.00E+00 econs=-3.36E-01 epot=-3.58E-03 ekin= 1.22E-03
+ Fine step=    109 t=-9.44529E-01 dt= 1.740E-02 a= 5.407E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   26.83 s       25.59 mus/pt       32.02 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3712.70996     s
+   ==> Step=    1 GR_pot:    1 Error= 1.147E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.044E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.124E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.529E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.301E-04
+   ==> Step=    6 GR_pot:    1 Error= 4.859E-05
+   ==> Level=    7 igr=    1 Error= 4.859E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.558E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.828E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.532E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.437E-04
+   ==> Step=    6 GR_pot:    2 Error= 9.115E-05
+   ==> Level=    7 igr=    2 Error= 9.115E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.568E-03
+   ==> Step=    3 GR_pot:    3 Error= 7.126E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.509E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.256E-05
+   ==> Level=    7 igr=    3 Error= 5.256E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.873E-01
+   ==> Step=    2 GR_pot:    4 Error= 5.889E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.163E-02
+   ==> Step=    4 GR_pot:    4 Error= 8.070E-03
+   ==> Step=    5 GR_pot:    4 Error= 3.017E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.129E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.222E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.579E-04
+   ==> Step=    9 GR_pot:    4 Error= 5.908E-05
+   ==> Level=    7 igr=    4 Error= 5.908E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.858E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.356E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.024E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.921E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.133E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.241E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.916E-05
+   ==> Level=    7 igr=    5 Error= 4.916E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.858E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.356E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.024E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.921E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.133E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.241E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.916E-05
+   ==> Level=    7 igr=    6 Error= 4.916E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.674E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.519E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.053E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.451E-05
+   ==> Level=    7 igr=    7 Error= 3.451E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.528E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.114E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.622E-05
+   ==> Level=    7 igr=    8 Error= 8.622E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.680E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.379E-04
+   ==> Step=    4 GR_pot:    9 Error= 9.508E-05
+   ==> Level=    7 igr=    9 Error= 9.508E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.120E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.183E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.892E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.035E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.857E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.442E-04
+   ==> Step=    7 GR_pot:   10 Error= 5.395E-05
+   ==> Level=    7 igr=   10 Error= 5.395E-05 Steps=    7
+   0.100000E+01  -0.927131E+00   0.173302E-01  -0.909801E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    110 mcons= 0.00E+00 econs=-3.36E-01 epot=-3.67E-03 ekin= 1.25E-03
+ Fine step=    110 t=-9.27131E-01 dt= 1.733E-02 a= 5.452E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   26.55 s       25.32 mus/pt       31.96 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3739.26001     s
+   ==> Step=    1 GR_pot:    1 Error= 1.147E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.061E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.105E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.437E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.266E-04
+   ==> Step=    6 GR_pot:    1 Error= 4.729E-05
+   ==> Level=    7 igr=    1 Error= 4.729E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.437E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.708E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.061E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.261E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.455E-05
+   ==> Level=    7 igr=    2 Error= 8.455E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.145E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.568E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.940E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.416E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.899E-05
+   ==> Level=    7 igr=    3 Error= 4.899E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.831E-01
+   ==> Step=    2 GR_pot:    4 Error= 5.692E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.089E-02
+   ==> Step=    4 GR_pot:    4 Error= 7.793E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.914E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.090E-03
+   ==> Step=    7 GR_pot:    4 Error= 4.077E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.525E-04
+   ==> Step=    9 GR_pot:    4 Error= 5.706E-05
+   ==> Level=    7 igr=    4 Error= 5.706E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.858E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.370E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.029E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.943E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.142E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.244E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.929E-05
+   ==> Level=    7 igr=    5 Error= 4.929E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.858E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.371E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.029E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.943E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.142E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.244E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.929E-05
+   ==> Level=    7 igr=    6 Error= 4.929E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.703E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.507E-04
+   ==> Step=    4 GR_pot:    7 Error= 1.011E-04
+   ==> Step=    5 GR_pot:    7 Error= 3.263E-05
+   ==> Level=    7 igr=    7 Error= 3.263E-05 Steps=    5
+   ==> Step=    1 GR_pot:    8 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.546E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.081E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.258E-05
+   ==> Level=    7 igr=    8 Error= 8.258E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.657E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.290E-04
+   ==> Step=    4 GR_pot:    9 Error= 8.984E-05
+   ==> Level=    7 igr=    9 Error= 8.984E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.119E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.160E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.768E-03
+   ==> Step=    4 GR_pot:   10 Error= 9.871E-04
+   ==> Step=    5 GR_pot:   10 Error= 3.677E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.375E-04
+   ==> Step=    7 GR_pot:   10 Error= 5.144E-05
+   ==> Level=    7 igr=   10 Error= 5.144E-05 Steps=    7
+   0.100000E+01  -0.909801E+00   0.170015E-01  -0.892799E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    111 mcons= 0.00E+00 econs=-3.37E-01 epot=-3.77E-03 ekin= 1.28E-03
+ Fine step=    111 t=-9.09801E-01 dt= 1.700E-02 a= 5.498E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   26.51 s       25.28 mus/pt       31.90 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3765.77002     s
+   ==> Step=    1 GR_pot:    1 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    1 Error= 8.013E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.070E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.286E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.209E-04
+   ==> Step=    6 GR_pot:    1 Error= 4.515E-05
+   ==> Level=    7 igr=    1 Error= 4.515E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.389E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.648E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.817E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.169E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.113E-05
+   ==> Level=    7 igr=    2 Error= 8.113E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.151E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.519E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.775E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.342E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.617E-05
+   ==> Level=    7 igr=    3 Error= 4.617E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.800E-01
+   ==> Step=    2 GR_pot:    4 Error= 5.542E-02
+   ==> Step=    3 GR_pot:    4 Error= 2.033E-02
+   ==> Step=    4 GR_pot:    4 Error= 7.583E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.835E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.061E-03
+   ==> Step=    7 GR_pot:    4 Error= 3.967E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.484E-04
+   ==> Step=    9 GR_pot:    4 Error= 5.552E-05
+   ==> Level=    7 igr=    4 Error= 5.552E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.852E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.391E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.038E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.978E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.155E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.250E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.951E-05
+   ==> Level=    7 igr=    5 Error= 4.951E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.852E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.391E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.038E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.978E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.155E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.250E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.951E-05
+   ==> Level=    7 igr=    6 Error= 4.951E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.716E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.486E-04
+   ==> Step=    4 GR_pot:    7 Error= 9.805E-05
+   ==> Level=    7 igr=    7 Error= 9.805E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.585E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.086E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.026E-05
+   ==> Level=    7 igr=    8 Error= 8.026E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.645E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.241E-04
+   ==> Step=    4 GR_pot:    9 Error= 8.612E-05
+   ==> Level=    7 igr=    9 Error= 8.612E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.118E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.140E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.654E-03
+   ==> Step=    4 GR_pot:   10 Error= 9.425E-04
+   ==> Step=    5 GR_pot:   10 Error= 3.510E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.313E-04
+   ==> Step=    7 GR_pot:   10 Error= 4.910E-05
+   ==> Level=    7 igr=   10 Error= 4.910E-05 Steps=    7
+   0.100000E+01  -0.892799E+00   0.169970E-01  -0.875802E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    112 mcons= 0.00E+00 econs=-3.37E-01 epot=-3.88E-03 ekin= 1.32E-03
+ Fine step=    112 t=-8.92799E-01 dt= 1.700E-02 a= 5.543E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   26.22 s       25.00 mus/pt       31.84 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3791.97998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.861E-03
+   ==> Step=    3 GR_pot:    1 Error= 1.009E-03
+   ==> Step=    4 GR_pot:    1 Error= 3.041E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.118E-04
+   ==> Step=    6 GR_pot:    1 Error= 4.173E-05
+   ==> Level=    7 igr=    1 Error= 4.173E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.319E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.591E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.588E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.083E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.791E-05
+   ==> Level=    7 igr=    2 Error= 7.791E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.422E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.585E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.262E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.311E-05
+   ==> Level=    7 igr=    3 Error= 4.311E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.759E-01
+   ==> Step=    2 GR_pot:    4 Error= 5.337E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.956E-02
+   ==> Step=    4 GR_pot:    4 Error= 7.295E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.727E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.020E-03
+   ==> Step=    7 GR_pot:    4 Error= 3.816E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.428E-04
+   ==> Step=    9 GR_pot:    4 Error= 5.341E-05
+   ==> Level=    7 igr=    4 Error= 5.341E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.846E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.406E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.044E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.003E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.165E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.254E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.967E-05
+   ==> Level=    7 igr=    5 Error= 4.967E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.846E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.406E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.044E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.003E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.165E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.254E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.967E-05
+   ==> Level=    7 igr=    6 Error= 4.967E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.669E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.356E-04
+   ==> Step=    4 GR_pot:    7 Error= 9.117E-05
+   ==> Level=    7 igr=    7 Error= 9.117E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.620E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.115E-04
+   ==> Step=    4 GR_pot:    8 Error= 7.972E-05
+   ==> Level=    7 igr=    8 Error= 7.972E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.140E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.620E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.179E-04
+   ==> Step=    4 GR_pot:    9 Error= 8.113E-05
+   ==> Level=    7 igr=    9 Error= 8.113E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.119E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.122E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.540E-03
+   ==> Step=    4 GR_pot:   10 Error= 8.979E-04
+   ==> Step=    5 GR_pot:   10 Error= 3.343E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.250E-04
+   ==> Step=    7 GR_pot:   10 Error= 4.675E-05
+   ==> Level=    7 igr=   10 Error= 4.675E-05 Steps=    7
+   0.100000E+01  -0.875802E+00   0.166962E-01  -0.859106E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    113 mcons= 0.00E+00 econs=-3.37E-01 epot=-3.98E-03 ekin= 1.36E-03
+ Fine step=    113 t=-8.75802E-01 dt= 1.670E-02 a= 5.589E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   26.23 s       25.01 mus/pt       31.78 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3818.20996     s
+   ==> Step=    1 GR_pot:    1 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.692E-03
+   ==> Step=    3 GR_pot:    1 Error= 9.550E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.832E-04
+   ==> Step=    5 GR_pot:    1 Error= 1.040E-04
+   ==> Step=    6 GR_pot:    1 Error= 3.881E-05
+   ==> Level=    7 igr=    1 Error= 3.881E-05 Steps=    6
+   ==> Step=    1 GR_pot:    2 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.305E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.585E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.564E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.074E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.756E-05
+   ==> Level=    7 igr=    2 Error= 7.756E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.341E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.478E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.215E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.131E-05
+   ==> Level=    7 igr=    3 Error= 4.131E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.736E-01
+   ==> Step=    2 GR_pot:    4 Error= 5.207E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.907E-02
+   ==> Step=    4 GR_pot:    4 Error= 7.112E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.659E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.947E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.721E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.392E-04
+   ==> Step=    9 GR_pot:    4 Error= 5.207E-05
+   ==> Level=    7 igr=    4 Error= 5.207E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.838E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.427E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.054E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.040E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.180E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.260E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.990E-05
+   ==> Level=    7 igr=    5 Error= 4.990E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.838E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.427E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.054E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.040E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.180E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.260E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.990E-05
+   ==> Level=    7 igr=    6 Error= 4.990E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.592E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.231E-04
+   ==> Step=    4 GR_pot:    7 Error= 8.678E-05
+   ==> Level=    7 igr=    7 Error= 8.678E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.630E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.110E-04
+   ==> Step=    4 GR_pot:    8 Error= 7.866E-05
+   ==> Level=    7 igr=    8 Error= 7.866E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.596E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.149E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.859E-05
+   ==> Level=    7 igr=    9 Error= 7.859E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.122E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.105E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.424E-03
+   ==> Step=    4 GR_pot:   10 Error= 8.516E-04
+   ==> Step=    5 GR_pot:   10 Error= 3.169E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.185E-04
+   ==> Step=    7 GR_pot:   10 Error= 4.432E-05
+   ==> Level=    7 igr=   10 Error= 4.432E-05 Steps=    7
+   0.100000E+01  -0.859106E+00   0.162763E-01  -0.842830E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    114 mcons= 0.00E+00 econs=-3.37E-01 epot=-4.09E-03 ekin= 1.39E-03
+ Fine step=    114 t=-8.59106E-01 dt= 1.628E-02 a= 5.635E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   26.24 s       25.03 mus/pt       31.72 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3844.44995     s
+   ==> Step=    1 GR_pot:    1 Error= 1.111E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.478E-03
+   ==> Step=    3 GR_pot:    1 Error= 8.920E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.592E-04
+   ==> Step=    5 GR_pot:    1 Error= 9.498E-05
+   ==> Level=    7 igr=    1 Error= 9.498E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.348E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.599E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.616E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.093E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.830E-05
+   ==> Level=    7 igr=    2 Error= 7.830E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.103E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.284E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.420E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.181E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.991E-05
+   ==> Level=    7 igr=    3 Error= 3.991E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.715E-01
+   ==> Step=    2 GR_pot:    4 Error= 5.096E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.865E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.955E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.601E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.727E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.639E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.361E-04
+   ==> Step=    9 GR_pot:    4 Error= 5.092E-05
+   ==> Level=    7 igr=    4 Error= 5.092E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.833E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.466E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.070E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.105E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.206E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.270E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.030E-05
+   ==> Level=    7 igr=    5 Error= 5.030E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.833E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.466E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.070E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.105E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.206E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.270E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.030E-05
+   ==> Level=    7 igr=    6 Error= 5.030E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.476E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.055E-04
+   ==> Step=    4 GR_pot:    7 Error= 8.051E-05
+   ==> Level=    7 igr=    7 Error= 8.051E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.639E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.110E-04
+   ==> Step=    4 GR_pot:    8 Error= 7.900E-05
+   ==> Level=    7 igr=    8 Error= 7.900E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.597E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.155E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.660E-05
+   ==> Level=    7 igr=    9 Error= 7.660E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.124E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.088E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.297E-03
+   ==> Step=    4 GR_pot:   10 Error= 8.007E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.977E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.113E-04
+   ==> Step=    7 GR_pot:   10 Error= 4.164E-05
+   ==> Level=    7 igr=   10 Error= 4.164E-05 Steps=    7
+   0.100000E+01  -0.842830E+00   0.159336E-01  -0.826896E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    115 mcons= 0.00E+00 econs=-3.37E-01 epot=-4.19E-03 ekin= 1.43E-03
+ Fine step=    115 t=-8.42830E-01 dt= 1.593E-02 a= 5.681E-01 mem=16.1% 72.1%
+ Time elapsed since last coarse step:   26.08 s       24.88 mus/pt       31.66 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3870.53979     s
+   ==> Step=    1 GR_pot:    1 Error= 1.107E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.277E-03
+   ==> Step=    3 GR_pot:    1 Error= 8.355E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.378E-04
+   ==> Step=    5 GR_pot:    1 Error= 8.700E-05
+   ==> Level=    7 igr=    1 Error= 8.700E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.372E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.618E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.695E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.123E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.940E-05
+   ==> Level=    7 igr=    2 Error= 7.940E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.092E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.233E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.331E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.134E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.808E-05
+   ==> Level=    7 igr=    3 Error= 3.808E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.694E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.990E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.825E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.806E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.545E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.518E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.561E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.332E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.983E-05
+   ==> Level=    7 igr=    4 Error= 4.983E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.827E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.481E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.078E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.134E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.217E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.274E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.048E-05
+   ==> Level=    7 igr=    5 Error= 5.048E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.827E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.481E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.078E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.134E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.217E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.274E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.048E-05
+   ==> Level=    7 igr=    6 Error= 5.048E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.363E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.907E-04
+   ==> Step=    4 GR_pot:    7 Error= 7.617E-05
+   ==> Level=    7 igr=    7 Error= 7.617E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.628E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.109E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.055E-05
+   ==> Level=    7 igr=    8 Error= 8.055E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.591E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.143E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.416E-05
+   ==> Level=    7 igr=    9 Error= 7.416E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.126E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.077E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.210E-03
+   ==> Step=    4 GR_pot:   10 Error= 7.649E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.842E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.063E-04
+   ==> Step=    7 GR_pot:   10 Error= 3.975E-05
+   ==> Level=    7 igr=   10 Error= 3.975E-05 Steps=    7
+   0.100000E+01  -0.826896E+00   0.157656E-01  -0.811130E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    116 mcons= 0.00E+00 econs=-3.36E-01 epot=-4.29E-03 ekin= 1.46E-03
+ Fine step=    116 t=-8.26896E-01 dt= 1.577E-02 a= 5.726E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   26.00 s       24.79 mus/pt       31.61 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3896.53979     s
+   ==> Step=    1 GR_pot:    1 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.189E-03
+   ==> Step=    3 GR_pot:    1 Error= 8.026E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.245E-04
+   ==> Step=    5 GR_pot:    1 Error= 8.200E-05
+   ==> Level=    7 igr=    1 Error= 8.200E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.434E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.656E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.843E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.178E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.148E-05
+   ==> Level=    7 igr=    2 Error= 8.148E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.092E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.211E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.274E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.102E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.677E-05
+   ==> Level=    7 igr=    3 Error= 3.677E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.679E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.913E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.796E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.697E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.504E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.366E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.504E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.311E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.903E-05
+   ==> Level=    7 igr=    4 Error= 4.903E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.820E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.472E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.075E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.125E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.214E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.273E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.042E-05
+   ==> Level=    7 igr=    5 Error= 5.042E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.820E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.472E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.075E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.125E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.214E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.273E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.042E-05
+   ==> Level=    7 igr=    6 Error= 5.042E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.307E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.829E-04
+   ==> Step=    4 GR_pot:    7 Error= 7.282E-05
+   ==> Level=    7 igr=    7 Error= 7.282E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.626E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.131E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.351E-05
+   ==> Level=    7 igr=    8 Error= 8.351E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.591E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.134E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.217E-05
+   ==> Level=    7 igr=    9 Error= 7.217E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.126E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.069E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.137E-03
+   ==> Step=    4 GR_pot:   10 Error= 7.347E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.729E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.020E-04
+   ==> Step=    7 GR_pot:   10 Error= 3.815E-05
+   ==> Level=    7 igr=   10 Error= 3.815E-05 Steps=    7
+   0.100000E+01  -0.811130E+00   0.157371E-01  -0.795393E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    117 mcons= 0.00E+00 econs=-3.36E-01 epot=-4.39E-03 ekin= 1.49E-03
+ Fine step=    117 t=-8.11130E-01 dt= 1.574E-02 a= 5.772E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   25.97 s       24.76 mus/pt       31.55 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3922.50000     s
+   ==> Step=    1 GR_pot:    1 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.264E-03
+   ==> Step=    3 GR_pot:    1 Error= 8.082E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.249E-04
+   ==> Step=    5 GR_pot:    1 Error= 8.209E-05
+   ==> Level=    7 igr=    1 Error= 8.209E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.545E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.715E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.072E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.264E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.468E-05
+   ==> Level=    7 igr=    2 Error= 8.468E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.114E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.382E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.408E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.110E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.689E-05
+   ==> Level=    7 igr=    3 Error= 3.689E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.672E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.887E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.786E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.661E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.490E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.315E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.485E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.304E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.877E-05
+   ==> Level=    7 igr=    4 Error= 4.877E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.819E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.451E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.067E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.092E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.201E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.268E-04
+   ==> Step=    7 GR_pot:    5 Error= 5.022E-05
+   ==> Level=    7 igr=    5 Error= 5.022E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.819E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.451E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.067E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.092E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.201E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.268E-04
+   ==> Step=    7 GR_pot:    6 Error= 5.022E-05
+   ==> Level=    7 igr=    6 Error= 5.022E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.350E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.872E-04
+   ==> Step=    4 GR_pot:    7 Error= 7.198E-05
+   ==> Level=    7 igr=    7 Error= 7.198E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.634E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.178E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.774E-05
+   ==> Level=    7 igr=    8 Error= 8.774E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.676E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.204E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.167E-05
+   ==> Level=    7 igr=    9 Error= 7.167E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.125E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.066E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.097E-03
+   ==> Step=    4 GR_pot:   10 Error= 7.177E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.664E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.959E-05
+   ==> Level=    7 igr=   10 Error= 9.959E-05 Steps=    6
+   0.100000E+01  -0.795393E+00   0.155436E-01  -0.779850E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    118 mcons= 0.00E+00 econs=-3.36E-01 epot=-4.49E-03 ekin= 1.53E-03
+ Fine step=    118 t=-7.95393E-01 dt= 1.554E-02 a= 5.818E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   25.57 s       24.38 mus/pt       31.49 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3948.06982     s
+   ==> Step=    1 GR_pot:    1 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.444E-03
+   ==> Step=    3 GR_pot:    1 Error= 8.431E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.362E-04
+   ==> Step=    5 GR_pot:    1 Error= 8.625E-05
+   ==> Level=    7 igr=    1 Error= 8.625E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.650E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.793E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.379E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.380E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.900E-05
+   ==> Level=    7 igr=    2 Error= 8.900E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.607E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.604E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.137E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.774E-05
+   ==> Level=    7 igr=    3 Error= 3.774E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.680E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.932E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.803E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.723E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.514E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.402E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.517E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.316E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.922E-05
+   ==> Level=    7 igr=    4 Error= 4.922E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.822E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.426E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.057E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.054E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.186E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.262E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.998E-05
+   ==> Level=    7 igr=    5 Error= 4.998E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.822E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.426E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.057E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.054E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.186E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.262E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.998E-05
+   ==> Level=    7 igr=    6 Error= 4.998E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.462E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.014E-04
+   ==> Step=    4 GR_pot:    7 Error= 7.377E-05
+   ==> Level=    7 igr=    7 Error= 7.377E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.608E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.188E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.118E-05
+   ==> Level=    7 igr=    8 Error= 9.118E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.774E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.291E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.234E-05
+   ==> Level=    7 igr=    9 Error= 7.234E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.123E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.063E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.054E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.994E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.595E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.699E-05
+   ==> Level=    7 igr=   10 Error= 9.699E-05 Steps=    6
+   0.100000E+01  -0.779850E+00   0.151321E-01  -0.764717E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    119 mcons= 0.00E+00 econs=-3.37E-01 epot=-4.59E-03 ekin= 1.56E-03
+ Fine step=    119 t=-7.79850E-01 dt= 1.513E-02 a= 5.864E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   25.57 s       24.39 mus/pt       31.43 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3973.63989     s
+   ==> Step=    1 GR_pot:    1 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.555E-03
+   ==> Step=    3 GR_pot:    1 Error= 8.723E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.465E-04
+   ==> Step=    5 GR_pot:    1 Error= 9.006E-05
+   ==> Level=    7 igr=    1 Error= 9.006E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.688E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.853E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.619E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.469E-04
+   ==> Step=    6 GR_pot:    2 Error= 9.236E-05
+   ==> Level=    7 igr=    2 Error= 9.236E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.163E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.730E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.696E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.149E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.809E-05
+   ==> Level=    7 igr=    3 Error= 3.809E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.687E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.977E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.819E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.786E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.537E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.490E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.550E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.328E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.968E-05
+   ==> Level=    7 igr=    4 Error= 4.968E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.823E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.403E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.048E-03
+   ==> Step=    4 GR_pot:    5 Error= 8.017E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.171E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.256E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.975E-05
+   ==> Level=    7 igr=    5 Error= 4.975E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.823E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.403E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.048E-03
+   ==> Step=    4 GR_pot:    6 Error= 8.017E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.171E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.256E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.975E-05
+   ==> Level=    7 igr=    6 Error= 4.975E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.551E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.136E-04
+   ==> Step=    4 GR_pot:    7 Error= 7.539E-05
+   ==> Level=    7 igr=    7 Error= 7.539E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.528E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.132E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.286E-05
+   ==> Level=    7 igr=    8 Error= 9.286E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.821E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.328E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.268E-05
+   ==> Level=    7 igr=    9 Error= 7.268E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.120E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.057E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.000E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.770E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.511E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.383E-05
+   ==> Level=    7 igr=   10 Error= 9.383E-05 Steps=    6
+   0.100000E+01  -0.764717E+00   0.149279E-01  -0.749790E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    120 mcons= 0.00E+00 econs=-3.37E-01 epot=-4.69E-03 ekin= 1.59E-03
+ Fine step=    120 t=-7.64717E-01 dt= 1.493E-02 a= 5.910E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   25.63 s       24.45 mus/pt       31.37 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   3999.27002     s
+   ==> Step=    1 GR_pot:    1 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.619E-03
+   ==> Step=    3 GR_pot:    1 Error= 8.833E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.495E-04
+   ==> Step=    5 GR_pot:    1 Error= 9.116E-05
+   ==> Level=    7 igr=    1 Error= 9.116E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.623E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.855E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.636E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.476E-04
+   ==> Step=    6 GR_pot:    2 Error= 9.261E-05
+   ==> Level=    7 igr=    2 Error= 9.261E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.161E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.752E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.696E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.138E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.766E-05
+   ==> Level=    7 igr=    3 Error= 3.766E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.678E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.940E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.806E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.734E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.518E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.418E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.523E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.318E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.930E-05
+   ==> Level=    7 igr=    4 Error= 4.930E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.824E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.386E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.039E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.982E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.157E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.250E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.954E-05
+   ==> Level=    7 igr=    5 Error= 4.954E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.824E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.386E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.039E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.982E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.157E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.250E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.954E-05
+   ==> Level=    7 igr=    6 Error= 4.954E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.112E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.609E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.186E-04
+   ==> Step=    4 GR_pot:    7 Error= 7.399E-05
+   ==> Level=    7 igr=    7 Error= 7.399E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.457E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.081E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.395E-05
+   ==> Level=    7 igr=    8 Error= 9.395E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.834E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.320E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.127E-05
+   ==> Level=    7 igr=    9 Error= 7.127E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.118E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.049E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.953E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.582E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.440E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.118E-05
+   ==> Level=    7 igr=   10 Error= 9.118E-05 Steps=    6
+   0.100000E+01  -0.749790E+00   0.149489E-01  -0.734841E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    121 mcons= 0.00E+00 econs=-3.37E-01 epot=-4.79E-03 ekin= 1.62E-03
+ Fine step=    121 t=-7.49790E-01 dt= 1.495E-02 a= 5.956E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   25.65 s       24.46 mus/pt       31.31 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4024.91992     s
+   ==> Step=    1 GR_pot:    1 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.589E-03
+   ==> Step=    3 GR_pot:    1 Error= 8.703E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.441E-04
+   ==> Step=    5 GR_pot:    1 Error= 8.913E-05
+   ==> Level=    7 igr=    1 Error= 8.913E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.468E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.806E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.455E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.408E-04
+   ==> Step=    6 GR_pot:    2 Error= 9.008E-05
+   ==> Level=    7 igr=    2 Error= 9.008E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.682E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.628E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.121E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.708E-05
+   ==> Level=    7 igr=    3 Error= 3.708E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.663E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.867E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.778E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.632E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.480E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.275E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.470E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.298E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.856E-05
+   ==> Level=    7 igr=    4 Error= 4.856E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.824E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.375E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.032E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.953E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.146E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.246E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.936E-05
+   ==> Level=    7 igr=    5 Error= 4.936E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.824E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.375E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.032E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.953E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.146E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.246E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.936E-05
+   ==> Level=    7 igr=    6 Error= 4.936E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.597E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.123E-04
+   ==> Step=    4 GR_pot:    7 Error= 7.041E-05
+   ==> Level=    7 igr=    7 Error= 7.041E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.383E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.002E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.321E-05
+   ==> Level=    7 igr=    8 Error= 9.321E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.813E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.271E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.929E-05
+   ==> Level=    7 igr=    9 Error= 6.929E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.117E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.037E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.903E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.392E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.369E-04
+   ==> Step=    6 GR_pot:   10 Error= 8.853E-05
+   ==> Level=    7 igr=   10 Error= 8.853E-05 Steps=    6
+   0.100000E+01  -0.734841E+00   0.147877E-01  -0.720053E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    122 mcons= 0.00E+00 econs=-3.37E-01 epot=-4.89E-03 ekin= 1.65E-03
+ Fine step=    122 t=-7.34841E-01 dt= 1.479E-02 a= 6.002E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   25.66 s       24.47 mus/pt       31.26 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4050.57983     s
+   ==> Step=    1 GR_pot:    1 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.520E-03
+   ==> Step=    3 GR_pot:    1 Error= 8.526E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.377E-04
+   ==> Step=    5 GR_pot:    1 Error= 8.676E-05
+   ==> Level=    7 igr=    1 Error= 8.676E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.379E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.766E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.304E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.352E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.797E-05
+   ==> Level=    7 igr=    2 Error= 8.797E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.112E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.517E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.468E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.094E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.622E-05
+   ==> Level=    7 igr=    3 Error= 3.622E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.652E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.808E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.756E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.551E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.449E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.162E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.427E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.282E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.796E-05
+   ==> Level=    7 igr=    4 Error= 4.796E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.824E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.366E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.024E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.922E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.133E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.241E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.917E-05
+   ==> Level=    7 igr=    5 Error= 4.917E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.824E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.366E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.024E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.922E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.133E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.241E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.917E-05
+   ==> Level=    7 igr=    6 Error= 4.917E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.551E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.022E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.733E-05
+   ==> Level=    7 igr=    7 Error= 6.733E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.326E-03
+   ==> Step=    3 GR_pot:    8 Error= 5.905E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.986E-05
+   ==> Level=    7 igr=    8 Error= 8.986E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.744E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.170E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.748E-05
+   ==> Level=    7 igr=    9 Error= 6.748E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.118E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.014E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.787E-03
+   ==> Step=    4 GR_pot:   10 Error= 5.936E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.198E-04
+   ==> Step=    6 GR_pot:   10 Error= 8.214E-05
+   ==> Level=    7 igr=   10 Error= 8.214E-05 Steps=    6
+   0.100000E+01  -0.720053E+00   0.144000E-01  -0.705653E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    123 mcons= 0.00E+00 econs=-3.37E-01 epot=-5.00E-03 ekin= 1.68E-03
+ Fine step=    123 t=-7.20053E-01 dt= 1.440E-02 a= 6.049E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   25.56 s       24.37 mus/pt       31.20 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4076.13989     s
+   ==> Step=    1 GR_pot:    1 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.445E-03
+   ==> Step=    3 GR_pot:    1 Error= 8.284E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.288E-04
+   ==> Step=    5 GR_pot:    1 Error= 8.345E-05
+   ==> Level=    7 igr=    1 Error= 8.345E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.322E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.730E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.165E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.300E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.602E-05
+   ==> Level=    7 igr=    2 Error= 8.602E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.085E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.335E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.274E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.060E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.514E-05
+   ==> Level=    7 igr=    3 Error= 3.514E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.641E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.740E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.731E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.456E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.414E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.029E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.378E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.264E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.727E-05
+   ==> Level=    7 igr=    4 Error= 4.727E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.824E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.353E-03
+   ==> Step=    3 GR_pot:    5 Error= 2.013E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.879E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.116E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.234E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.890E-05
+   ==> Level=    7 igr=    5 Error= 4.890E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.824E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.353E-03
+   ==> Step=    3 GR_pot:    6 Error= 2.013E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.879E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.116E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.234E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.890E-05
+   ==> Level=    7 igr=    6 Error= 4.890E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.515E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.919E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.421E-05
+   ==> Level=    7 igr=    7 Error= 6.421E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.306E-03
+   ==> Step=    3 GR_pot:    8 Error= 5.851E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.659E-05
+   ==> Level=    7 igr=    8 Error= 8.659E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.661E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.044E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.547E-05
+   ==> Level=    7 igr=    9 Error= 6.547E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.120E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.925E-03
+   ==> Step=    3 GR_pot:   10 Error= 1.671E-03
+   ==> Step=    4 GR_pot:   10 Error= 5.479E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.027E-04
+   ==> Step=    6 GR_pot:   10 Error= 7.573E-05
+   ==> Level=    7 igr=   10 Error= 7.573E-05 Steps=    6
+   0.100000E+01  -0.705653E+00   0.143906E-01  -0.691262E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    124 mcons= 0.00E+00 econs=-3.37E-01 epot=-5.10E-03 ekin= 1.72E-03
+ Fine step=    124 t=-7.05653E-01 dt= 1.439E-02 a= 6.095E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   25.53 s       24.35 mus/pt       31.15 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4101.65967     s
+   ==> Step=    1 GR_pot:    1 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.387E-03
+   ==> Step=    3 GR_pot:    1 Error= 8.011E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.181E-04
+   ==> Step=    5 GR_pot:    1 Error= 7.949E-05
+   ==> Level=    7 igr=    1 Error= 7.949E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.158E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.654E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.872E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.190E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.192E-05
+   ==> Level=    7 igr=    2 Error= 8.192E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.080E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.268E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.150E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.030E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.416E-05
+   ==> Level=    7 igr=    3 Error= 3.416E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.623E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.639E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.693E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.316E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.362E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.834E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.305E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.236E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.625E-05
+   ==> Level=    7 igr=    4 Error= 4.625E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.827E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.330E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.998E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.819E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.093E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.225E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.852E-05
+   ==> Level=    7 igr=    5 Error= 4.852E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.827E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.330E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.998E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.819E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.093E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.225E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.852E-05
+   ==> Level=    7 igr=    6 Error= 4.852E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.502E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.813E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.978E-05
+   ==> Level=    7 igr=    7 Error= 5.978E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.298E-03
+   ==> Step=    3 GR_pot:    8 Error= 5.834E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.510E-05
+   ==> Level=    7 igr=    8 Error= 8.510E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.621E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.938E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.275E-05
+   ==> Level=    7 igr=    9 Error= 6.275E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.123E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.836E-03
+   ==> Step=    3 GR_pot:   10 Error= 1.649E-03
+   ==> Step=    4 GR_pot:   10 Error= 5.415E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.003E-04
+   ==> Step=    6 GR_pot:   10 Error= 7.486E-05
+   ==> Level=    7 igr=   10 Error= 7.486E-05 Steps=    6
+   0.100000E+01  -0.691262E+00   0.142846E-01  -0.676978E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    125 mcons= 0.00E+00 econs=-3.37E-01 epot=-5.21E-03 ekin= 1.75E-03
+ Fine step=    125 t=-6.91262E-01 dt= 1.428E-02 a= 6.142E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   25.70 s       24.51 mus/pt       31.09 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4127.35986     s
+   ==> Step=    1 GR_pot:    1 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.352E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.740E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.079E-04
+   ==> Step=    5 GR_pot:    1 Error= 7.570E-05
+   ==> Level=    7 igr=    1 Error= 7.570E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.111E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.072E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.613E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.714E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.131E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.970E-05
+   ==> Level=    7 igr=    2 Error= 7.970E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.095E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.212E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.008E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.004E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.337E-05
+   ==> Level=    7 igr=    3 Error= 3.337E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.619E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.608E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.682E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.274E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.346E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.775E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.282E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.228E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.594E-05
+   ==> Level=    7 igr=    4 Error= 4.594E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.831E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.270E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.968E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.700E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.045E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.206E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.779E-05
+   ==> Level=    7 igr=    5 Error= 4.779E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.831E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.270E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.968E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.700E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.045E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.206E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.779E-05
+   ==> Level=    7 igr=    6 Error= 4.779E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.476E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.705E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.696E-05
+   ==> Level=    7 igr=    7 Error= 5.696E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.324E-03
+   ==> Step=    3 GR_pot:    8 Error= 5.852E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.326E-05
+   ==> Level=    7 igr=    8 Error= 8.326E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.560E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.806E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.087E-05
+   ==> Level=    7 igr=    9 Error= 6.087E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.127E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.700E-03
+   ==> Step=    3 GR_pot:   10 Error= 1.581E-03
+   ==> Step=    4 GR_pot:   10 Error= 5.146E-04
+   ==> Step=    5 GR_pot:   10 Error= 1.903E-04
+   ==> Step=    6 GR_pot:   10 Error= 7.109E-05
+   ==> Level=    7 igr=   10 Error= 7.109E-05 Steps=    6
+   0.100000E+01  -0.676978E+00   0.143621E-01  -0.662616E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    126 mcons= 0.00E+00 econs=-3.36E-01 epot=-5.32E-03 ekin= 1.78E-03
+ Fine step=    126 t=-6.76978E-01 dt= 1.436E-02 a= 6.190E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   25.68 s       24.49 mus/pt       31.04 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4153.04004     s
+   ==> Step=    1 GR_pot:    1 Error= 1.158E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.314E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.429E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.960E-04
+   ==> Step=    5 GR_pot:    1 Error= 7.132E-05
+   ==> Level=    7 igr=    1 Error= 7.132E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.112E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.124E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.597E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.638E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.102E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.863E-05
+   ==> Level=    7 igr=    2 Error= 7.863E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.192E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.860E-04
+   ==> Step=    4 GR_pot:    3 Error= 9.686E-05
+   ==> Level=    7 igr=    3 Error= 9.686E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.616E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.584E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.673E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.241E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.334E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.729E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.265E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.221E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.569E-05
+   ==> Level=    7 igr=    4 Error= 4.569E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.838E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.191E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.930E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.549E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.986E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.183E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.685E-05
+   ==> Level=    7 igr=    5 Error= 4.685E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.838E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.191E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.930E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.549E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.986E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.183E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.685E-05
+   ==> Level=    7 igr=    6 Error= 4.685E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.155E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.440E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.588E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.408E-05
+   ==> Level=    7 igr=    7 Error= 5.408E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.416E-03
+   ==> Step=    3 GR_pot:    8 Error= 5.951E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.370E-05
+   ==> Level=    7 igr=    8 Error= 8.370E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.150E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.493E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.661E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.800E-05
+   ==> Level=    7 igr=    9 Error= 5.800E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.130E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.668E-03
+   ==> Step=    3 GR_pot:   10 Error= 1.583E-03
+   ==> Step=    4 GR_pot:   10 Error= 5.170E-04
+   ==> Step=    5 GR_pot:   10 Error= 1.912E-04
+   ==> Step=    6 GR_pot:   10 Error= 7.144E-05
+   ==> Level=    7 igr=   10 Error= 7.144E-05 Steps=    6
+   0.100000E+01  -0.662616E+00   0.138169E-01  -0.648799E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    127 mcons= 0.00E+00 econs=-3.37E-01 epot=-5.43E-03 ekin= 1.82E-03
+ Fine step=    127 t=-6.62616E-01 dt= 1.382E-02 a= 6.238E-01 mem=16.1% 72.2%
+ Time elapsed since last coarse step:   25.36 s       24.19 mus/pt       30.99 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4178.39990     s
+   ==> Step=    1 GR_pot:    1 Error= 1.168E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.359E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.438E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.965E-04
+   ==> Step=    5 GR_pot:    1 Error= 7.153E-05
+   ==> Level=    7 igr=    1 Error= 7.153E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.266E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.612E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.677E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.116E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.915E-05
+   ==> Level=    7 igr=    2 Error= 7.915E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.154E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.217E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.862E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.004E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.376E-05
+   ==> Level=    7 igr=    3 Error= 3.376E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.636E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.679E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.709E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.376E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.384E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.917E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.336E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.248E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.668E-05
+   ==> Level=    7 igr=    4 Error= 4.668E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.843E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.111E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.892E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.398E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.926E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.159E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.591E-05
+   ==> Level=    7 igr=    5 Error= 4.591E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.843E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.111E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.892E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.398E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.926E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.159E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.591E-05
+   ==> Level=    7 igr=    6 Error= 4.591E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.161E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.439E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.553E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.421E-05
+   ==> Level=    7 igr=    7 Error= 5.421E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.530E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.043E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.204E-05
+   ==> Level=    7 igr=    8 Error= 8.204E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.162E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.422E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.564E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.039E-05
+   ==> Level=    7 igr=    9 Error= 6.039E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.133E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.547E-03
+   ==> Step=    3 GR_pot:   10 Error= 1.491E-03
+   ==> Step=    4 GR_pot:   10 Error= 4.786E-04
+   ==> Step=    5 GR_pot:   10 Error= 1.768E-04
+   ==> Step=    6 GR_pot:   10 Error= 6.604E-05
+   ==> Level=    7 igr=   10 Error= 6.604E-05 Steps=    6
+   0.100000E+01  -0.648799E+00   0.136453E-01  -0.635154E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    128 mcons= 0.00E+00 econs=-3.37E-01 epot=-5.55E-03 ekin= 1.86E-03
+ Fine step=    128 t=-6.48799E-01 dt= 1.365E-02 a= 6.286E-01 mem=16.1% 72.3%
+ Time elapsed since last coarse step:   25.55 s       24.36 mus/pt       30.94 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4203.94971     s
+   ==> Step=    1 GR_pot:    1 Error= 1.167E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.306E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.412E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.980E-04
+   ==> Step=    5 GR_pot:    1 Error= 7.216E-05
+   ==> Level=    7 igr=    1 Error= 7.216E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.390E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.609E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.647E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.105E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.872E-05
+   ==> Level=    7 igr=    2 Error= 7.872E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.177E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.198E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.825E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.025E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.475E-05
+   ==> Level=    7 igr=    3 Error= 3.475E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.653E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.764E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.742E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.497E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.429E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.087E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.399E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.272E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.757E-05
+   ==> Level=    7 igr=    4 Error= 4.757E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.842E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.024E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.852E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.243E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.865E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.135E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.495E-05
+   ==> Level=    7 igr=    5 Error= 4.495E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.842E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.024E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.852E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.243E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.865E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.135E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.495E-05
+   ==> Level=    7 igr=    6 Error= 4.495E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.160E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.361E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.452E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.299E-05
+   ==> Level=    7 igr=    7 Error= 5.299E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.650E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.170E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.379E-05
+   ==> Level=    7 igr=    8 Error= 8.379E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.166E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.305E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.430E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.916E-05
+   ==> Level=    7 igr=    9 Error= 5.916E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.136E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.647E-03
+   ==> Step=    3 GR_pot:   10 Error= 1.576E-03
+   ==> Step=    4 GR_pot:   10 Error= 5.143E-04
+   ==> Step=    5 GR_pot:   10 Error= 1.902E-04
+   ==> Step=    6 GR_pot:   10 Error= 7.105E-05
+   ==> Level=    7 igr=   10 Error= 7.105E-05 Steps=    6
+   0.100000E+01  -0.635154E+00   0.133904E-01  -0.621763E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    129 mcons= 0.00E+00 econs=-3.37E-01 epot=-5.67E-03 ekin= 1.89E-03
+ Fine step=    129 t=-6.35154E-01 dt= 1.339E-02 a= 6.333E-01 mem=16.1% 72.3%
+ Time elapsed since last coarse step:   25.56 s       24.38 mus/pt       30.89 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4229.50977     s
+   ==> Step=    1 GR_pot:    1 Error= 1.149E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.103E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.259E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.964E-04
+   ==> Step=    5 GR_pot:    1 Error= 7.166E-05
+   ==> Level=    7 igr=    1 Error= 7.166E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.459E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.602E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.606E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.089E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.814E-05
+   ==> Level=    7 igr=    2 Error= 7.814E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.169E-01
+   ==> Step=    2 GR_pot:    3 Error= 6.999E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.695E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.049E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.594E-05
+   ==> Level=    7 igr=    3 Error= 3.594E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.677E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.878E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.785E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.657E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.489E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.311E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.483E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.303E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.874E-05
+   ==> Level=    7 igr=    4 Error= 4.874E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.839E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.923E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.808E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.069E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.796E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.107E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.387E-05
+   ==> Level=    7 igr=    5 Error= 4.387E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.839E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.923E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.808E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.069E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.796E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.107E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.387E-05
+   ==> Level=    7 igr=    6 Error= 4.387E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.151E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.230E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.341E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.269E-05
+   ==> Level=    7 igr=    7 Error= 5.269E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.717E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.230E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.402E-05
+   ==> Level=    7 igr=    8 Error= 8.402E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.156E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.130E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.299E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.997E-05
+   ==> Level=    7 igr=    9 Error= 5.997E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.137E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.696E-03
+   ==> Step=    3 GR_pot:   10 Error= 1.611E-03
+   ==> Step=    4 GR_pot:   10 Error= 5.285E-04
+   ==> Step=    5 GR_pot:   10 Error= 1.954E-04
+   ==> Step=    6 GR_pot:   10 Error= 7.302E-05
+   ==> Level=    7 igr=   10 Error= 7.302E-05 Steps=    6
+   0.100000E+01  -0.621763E+00   0.134096E-01  -0.608354E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    130 mcons= 0.00E+00 econs=-3.36E-01 epot=-5.78E-03 ekin= 1.93E-03
+ Fine step=    130 t=-6.21763E-01 dt= 1.341E-02 a= 6.380E-01 mem=16.1% 72.3%
+ Time elapsed since last coarse step:   25.67 s       24.48 mus/pt       30.84 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4255.17969     s
+   ==> Step=    1 GR_pot:    1 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.968E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.210E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.976E-04
+   ==> Step=    5 GR_pot:    1 Error= 7.219E-05
+   ==> Level=    7 igr=    1 Error= 7.219E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.442E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.578E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.511E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.054E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.680E-05
+   ==> Level=    7 igr=    2 Error= 7.680E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    3 Error= 6.789E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.621E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.085E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.753E-05
+   ==> Level=    7 igr=    3 Error= 3.753E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.696E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.974E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.821E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.794E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.540E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.502E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.554E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.330E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.974E-05
+   ==> Level=    7 igr=    4 Error= 4.974E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.839E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.833E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.768E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.912E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.734E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.083E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.290E-05
+   ==> Level=    7 igr=    5 Error= 4.290E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.839E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.833E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.768E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.912E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.734E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.083E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.290E-05
+   ==> Level=    7 igr=    6 Error= 4.290E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.159E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.298E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.315E-05
+   ==> Level=    7 igr=    7 Error= 5.315E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.142E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.725E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.246E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.543E-05
+   ==> Level=    7 igr=    8 Error= 8.543E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    9 Error= 6.999E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.256E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.147E-05
+   ==> Level=    7 igr=    9 Error= 6.147E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.136E-01
+   ==> Step=    2 GR_pot:   10 Error= 9.920E-03
+   ==> Step=    3 GR_pot:   10 Error= 1.772E-03
+   ==> Step=    4 GR_pot:   10 Error= 5.938E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.200E-04
+   ==> Step=    6 GR_pot:   10 Error= 8.220E-05
+   ==> Level=    7 igr=   10 Error= 8.220E-05 Steps=    6
+   0.100000E+01  -0.608354E+00   0.132346E-01  -0.595119E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    131 mcons= 0.00E+00 econs=-3.36E-01 epot=-5.91E-03 ekin= 1.97E-03
+ Fine step=    131 t=-6.08354E-01 dt= 1.323E-02 a= 6.428E-01 mem=16.1% 72.3%
+ Time elapsed since last coarse step:   25.68 s       24.49 mus/pt       30.79 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4280.85986     s
+   ==> Step=    1 GR_pot:    1 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.036E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.515E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.096E-04
+   ==> Step=    5 GR_pot:    1 Error= 7.668E-05
+   ==> Level=    7 igr=    1 Error= 7.668E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.422E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.578E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.515E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.055E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.687E-05
+   ==> Level=    7 igr=    2 Error= 7.687E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    3 Error= 6.687E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.792E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.207E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.225E-05
+   ==> Level=    7 igr=    3 Error= 4.225E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.729E-01
+   ==> Step=    2 GR_pot:    4 Error= 5.146E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.886E-02
+   ==> Step=    4 GR_pot:    4 Error= 7.036E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.631E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.840E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.681E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.377E-04
+   ==> Step=    9 GR_pot:    4 Error= 5.151E-05
+   ==> Level=    7 igr=    4 Error= 5.151E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.845E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.779E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.745E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.819E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.697E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.068E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.232E-05
+   ==> Level=    7 igr=    5 Error= 4.232E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.845E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.779E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.745E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.819E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.697E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.068E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.232E-05
+   ==> Level=    7 igr=    6 Error= 4.232E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.238E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.429E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.639E-05
+   ==> Level=    7 igr=    7 Error= 5.639E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.689E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.204E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.500E-05
+   ==> Level=    7 igr=    8 Error= 8.500E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    9 Error= 6.995E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.379E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.672E-05
+   ==> Level=    7 igr=    9 Error= 6.672E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.132E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.003E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.817E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.099E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.260E-04
+   ==> Step=    6 GR_pot:   10 Error= 8.444E-05
+   ==> Level=    7 igr=   10 Error= 8.444E-05 Steps=    6
+   0.100000E+01  -0.595119E+00   0.133267E-01  -0.581792E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    132 mcons= 0.00E+00 econs=-3.36E-01 epot=-6.03E-03 ekin= 2.01E-03
+ Fine step=    132 t=-5.95119E-01 dt= 1.333E-02 a= 6.477E-01 mem=16.1% 72.3%
+ Time elapsed since last coarse step:   25.71 s       24.52 mus/pt       30.74 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4306.56982     s
+   ==> Step=    1 GR_pot:    1 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.189E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.765E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.169E-04
+   ==> Step=    5 GR_pot:    1 Error= 7.934E-05
+   ==> Level=    7 igr=    1 Error= 7.934E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.140E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.349E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.568E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.483E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.043E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.641E-05
+   ==> Level=    7 igr=    2 Error= 7.641E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.102E-01
+   ==> Step=    2 GR_pot:    3 Error= 6.683E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.969E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.290E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.538E-05
+   ==> Level=    7 igr=    3 Error= 4.538E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.742E-01
+   ==> Step=    2 GR_pot:    4 Error= 5.227E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.916E-02
+   ==> Step=    4 GR_pot:    4 Error= 7.149E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.673E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.998E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.740E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.399E-04
+   ==> Step=    9 GR_pot:    4 Error= 5.234E-05
+   ==> Level=    7 igr=    4 Error= 5.234E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.854E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.739E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.727E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.749E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.669E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.057E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.188E-05
+   ==> Level=    7 igr=    5 Error= 4.188E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.854E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.739E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.727E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.749E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.669E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.057E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.188E-05
+   ==> Level=    7 igr=    6 Error= 4.188E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.379E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.611E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.967E-05
+   ==> Level=    7 igr=    7 Error= 5.967E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.628E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.173E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.725E-05
+   ==> Level=    7 igr=    8 Error= 8.725E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.109E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.112E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.604E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.035E-05
+   ==> Level=    7 igr=    9 Error= 7.035E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.127E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.036E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.012E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.875E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.551E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.533E-05
+   ==> Level=    7 igr=   10 Error= 9.533E-05 Steps=    6
+   0.100000E+01  -0.581792E+00   0.132625E-01  -0.568530E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    133 mcons= 0.00E+00 econs=-3.36E-01 epot=-6.16E-03 ekin= 2.05E-03
+ Fine step=    133 t=-5.81792E-01 dt= 1.326E-02 a= 6.526E-01 mem=16.1% 72.4%
+ Time elapsed since last coarse step:   25.52 s       24.34 mus/pt       30.70 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4332.08984     s
+   ==> Step=    1 GR_pot:    1 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.388E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.946E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.199E-04
+   ==> Step=    5 GR_pot:    1 Error= 8.033E-05
+   ==> Level=    7 igr=    1 Error= 8.033E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.332E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.589E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.573E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.077E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.769E-05
+   ==> Level=    7 igr=    2 Error= 7.769E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    3 Error= 6.879E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.181E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.346E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.741E-05
+   ==> Level=    7 igr=    3 Error= 4.741E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.747E-01
+   ==> Step=    2 GR_pot:    4 Error= 5.269E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.932E-02
+   ==> Step=    4 GR_pot:    4 Error= 7.207E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.695E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.008E-03
+   ==> Step=    7 GR_pot:    4 Error= 3.771E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.411E-04
+   ==> Step=    9 GR_pot:    4 Error= 5.277E-05
+   ==> Level=    7 igr=    4 Error= 5.277E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.869E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.716E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.716E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.707E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.653E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.051E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.162E-05
+   ==> Level=    7 igr=    5 Error= 4.162E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.869E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.717E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.716E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.707E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.653E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.051E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.162E-05
+   ==> Level=    7 igr=    6 Error= 4.162E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.519E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.772E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.226E-05
+   ==> Level=    7 igr=    7 Error= 6.226E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.585E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.160E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.830E-05
+   ==> Level=    7 igr=    8 Error= 8.830E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.285E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.813E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.322E-05
+   ==> Level=    7 igr=    9 Error= 7.322E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.122E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.039E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.015E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.872E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.549E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.527E-05
+   ==> Level=    7 igr=   10 Error= 9.527E-05 Steps=    6
+   0.100000E+01  -0.568530E+00   0.127605E-01  -0.555769E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    134 mcons= 0.00E+00 econs=-3.36E-01 epot=-6.30E-03 ekin= 2.10E-03
+ Fine step=    134 t=-5.68530E-01 dt= 1.276E-02 a= 6.576E-01 mem=16.1% 72.4%
+ Time elapsed since last coarse step:   25.54 s       24.35 mus/pt       30.65 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4357.62012     s
+   ==> Step=    1 GR_pot:    1 Error= 1.155E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.468E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.868E-04
+   ==> Step=    4 GR_pot:    1 Error= 2.132E-04
+   ==> Step=    5 GR_pot:    1 Error= 7.774E-05
+   ==> Level=    7 igr=    1 Error= 7.774E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.406E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.647E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.798E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.161E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.084E-05
+   ==> Level=    7 igr=    2 Error= 8.084E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.177E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.043E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.285E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.353E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.754E-05
+   ==> Level=    7 igr=    3 Error= 4.754E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.742E-01
+   ==> Step=    2 GR_pot:    4 Error= 5.259E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.928E-02
+   ==> Step=    4 GR_pot:    4 Error= 7.194E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.690E-03
+   ==> Step=    6 GR_pot:    4 Error= 1.006E-03
+   ==> Step=    7 GR_pot:    4 Error= 3.764E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.408E-04
+   ==> Step=    9 GR_pot:    4 Error= 5.267E-05
+   ==> Level=    7 igr=    4 Error= 5.267E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.891E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.717E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.715E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.704E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.652E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.050E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.160E-05
+   ==> Level=    7 igr=    5 Error= 4.160E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.891E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.717E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.715E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.704E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.652E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.050E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.160E-05
+   ==> Level=    7 igr=    6 Error= 4.160E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.149E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.569E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.838E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.323E-05
+   ==> Level=    7 igr=    7 Error= 6.323E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.588E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.199E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.892E-05
+   ==> Level=    7 igr=    8 Error= 8.892E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.422E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.949E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.482E-05
+   ==> Level=    7 igr=    9 Error= 7.482E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.118E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.021E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.879E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.313E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.339E-04
+   ==> Step=    6 GR_pot:   10 Error= 8.740E-05
+   ==> Level=    7 igr=   10 Error= 8.740E-05 Steps=    6
+   0.100000E+01  -0.555769E+00   0.125259E-01  -0.543243E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    135 mcons= 0.00E+00 econs=-3.36E-01 epot=-6.44E-03 ekin= 2.14E-03
+ Fine step=    135 t=-5.55769E-01 dt= 1.253E-02 a= 6.624E-01 mem=16.1% 72.5%
+ Time elapsed since last coarse step:   25.70 s       24.51 mus/pt       30.60 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4383.31982     s
+   ==> Step=    1 GR_pot:    1 Error= 1.152E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.345E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.454E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.951E-04
+   ==> Step=    5 GR_pot:    1 Error= 7.089E-05
+   ==> Level=    7 igr=    1 Error= 7.089E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.472E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.673E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.894E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.197E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.217E-05
+   ==> Level=    7 igr=    2 Error= 8.217E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.167E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.098E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.240E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.283E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.472E-05
+   ==> Level=    7 igr=    3 Error= 4.472E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.709E-01
+   ==> Step=    2 GR_pot:    4 Error= 5.105E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.870E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.977E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.609E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.759E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.651E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.366E-04
+   ==> Step=    9 GR_pot:    4 Error= 5.109E-05
+   ==> Level=    7 igr=    4 Error= 5.109E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.911E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.728E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.719E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.720E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.658E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.053E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.170E-05
+   ==> Level=    7 igr=    5 Error= 4.170E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.911E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.728E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.719E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.720E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.658E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.053E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.170E-05
+   ==> Level=    7 igr=    6 Error= 4.170E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.531E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.837E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.312E-05
+   ==> Level=    7 igr=    7 Error= 6.312E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.646E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.332E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.361E-05
+   ==> Level=    7 igr=    8 Error= 9.361E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.539E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.062E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.336E-05
+   ==> Level=    7 igr=    9 Error= 7.336E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.117E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.036E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.961E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.642E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.462E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.202E-05
+   ==> Level=    7 igr=   10 Error= 9.202E-05 Steps=    6
+   0.100000E+01  -0.543243E+00   0.125721E-01  -0.530671E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    136 mcons= 0.00E+00 econs=-3.36E-01 epot=-6.58E-03 ekin= 2.19E-03
+ Fine step=    136 t=-5.43243E-01 dt= 1.257E-02 a= 6.673E-01 mem=16.1% 72.5%
+ Time elapsed since last coarse step:   25.66 s       24.47 mus/pt       30.56 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4408.97998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.207E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.025E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.755E-04
+   ==> Step=    5 GR_pot:    1 Error= 6.343E-05
+   ==> Level=    7 igr=    1 Error= 6.343E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.572E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.687E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.933E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.211E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.270E-05
+   ==> Level=    7 igr=    2 Error= 8.270E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.090E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.173E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.207E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.162E-05
+   ==> Level=    7 igr=    3 Error= 4.162E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.664E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.874E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.783E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.651E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.487E-03
+   ==> Step=    6 GR_pot:    4 Error= 9.302E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.480E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.302E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.870E-05
+   ==> Level=    7 igr=    4 Error= 4.870E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.923E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.739E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.725E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.741E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.666E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.056E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.183E-05
+   ==> Level=    7 igr=    5 Error= 4.183E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.923E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.739E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.725E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.741E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.666E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.056E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.183E-05
+   ==> Level=    7 igr=    6 Error= 4.183E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.508E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.852E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.306E-05
+   ==> Level=    7 igr=    7 Error= 6.306E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.759E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.508E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.854E-05
+   ==> Level=    7 igr=    8 Error= 9.854E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.624E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.148E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.183E-05
+   ==> Level=    7 igr=    9 Error= 7.183E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.119E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.053E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.053E-03
+   ==> Step=    4 GR_pot:   10 Error= 7.004E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.598E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.711E-05
+   ==> Level=    7 igr=   10 Error= 9.711E-05 Steps=    6
+   0.100000E+01  -0.530671E+00   0.123646E-01  -0.518307E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    137 mcons= 0.00E+00 econs=-3.36E-01 epot=-6.72E-03 ekin= 2.24E-03
+ Fine step=    137 t=-5.30671E-01 dt= 1.236E-02 a= 6.722E-01 mem=16.1% 72.5%
+ Time elapsed since last coarse step:   25.68 s       24.49 mus/pt       30.51 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4434.65967     s
+   ==> Step=    1 GR_pot:    1 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.216E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.785E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.609E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.781E-05
+   ==> Level=    7 igr=    1 Error= 5.781E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.725E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.711E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.009E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.240E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.376E-05
+   ==> Level=    7 igr=    2 Error= 8.376E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.166E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.191E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.164E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.980E-05
+   ==> Level=    7 igr=    3 Error= 3.980E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.630E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.690E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.713E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.390E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.389E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.937E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.343E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.251E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.678E-05
+   ==> Level=    7 igr=    4 Error= 4.678E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.930E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.787E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.747E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.829E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.701E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.070E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.238E-05
+   ==> Level=    7 igr=    5 Error= 4.238E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.930E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.787E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.747E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.829E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.701E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.070E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.238E-05
+   ==> Level=    7 igr=    6 Error= 4.238E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.140E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.537E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.889E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.281E-05
+   ==> Level=    7 igr=    7 Error= 6.281E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.857E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.593E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.747E-05
+   ==> Level=    7 igr=    8 Error= 9.747E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.679E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.189E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.139E-05
+   ==> Level=    7 igr=    9 Error= 7.139E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.121E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.040E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.931E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.502E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.410E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.005E-05
+   ==> Level=    7 igr=   10 Error= 9.005E-05 Steps=    6
+   0.100000E+01  -0.518307E+00   0.121575E-01  -0.506149E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    138 mcons= 0.00E+00 econs=-3.36E-01 epot=-6.87E-03 ekin= 2.29E-03
+ Fine step=    138 t=-5.18307E-01 dt= 1.216E-02 a= 6.772E-01 mem=16.1% 72.5%
+ Time elapsed since last coarse step:   25.61 s       24.43 mus/pt       30.47 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4460.27002     s
+   ==> Step=    1 GR_pot:    1 Error= 1.167E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.384E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.691E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.482E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.270E-05
+   ==> Level=    7 igr=    1 Error= 5.270E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.154E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.718E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.658E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.792E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.158E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.070E-05
+   ==> Level=    7 igr=    2 Error= 8.070E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.142E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.334E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.271E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.126E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.802E-05
+   ==> Level=    7 igr=    3 Error= 3.802E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.589E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.474E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.631E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.083E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.274E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.507E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.182E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.191E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.454E-05
+   ==> Level=    7 igr=    4 Error= 4.454E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.930E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.832E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.769E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.918E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.736E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.084E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.293E-05
+   ==> Level=    7 igr=    5 Error= 4.293E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.930E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.832E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.769E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.918E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.736E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.084E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.293E-05
+   ==> Level=    7 igr=    6 Error= 4.293E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.650E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.012E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.368E-05
+   ==> Level=    7 igr=    7 Error= 6.368E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.140E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.864E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.556E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.483E-05
+   ==> Level=    7 igr=    8 Error= 9.483E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.756E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.260E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.113E-05
+   ==> Level=    7 igr=    9 Error= 7.113E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.123E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.042E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.910E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.406E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.373E-04
+   ==> Step=    6 GR_pot:   10 Error= 8.870E-05
+   ==> Level=    7 igr=   10 Error= 8.870E-05 Steps=    6
+   0.100000E+01  -0.506149E+00   0.121468E-01  -0.494002E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    139 mcons= 0.00E+00 econs=-3.36E-01 epot=-7.03E-03 ekin= 2.34E-03
+ Fine step=    139 t=-5.06149E-01 dt= 1.215E-02 a= 6.821E-01 mem=16.1% 72.5%
+ Time elapsed since last coarse step:   25.54 s       24.36 mus/pt       30.43 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4485.81982     s
+   ==> Step=    1 GR_pot:    1 Error= 1.197E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.631E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.691E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.370E-04
+   ==> Step=    5 GR_pot:    1 Error= 4.809E-05
+   ==> Level=    7 igr=    1 Error= 4.809E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.159E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.521E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.543E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.347E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.991E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.447E-05
+   ==> Level=    7 igr=    2 Error= 7.447E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.176E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.611E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.428E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.094E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.638E-05
+   ==> Level=    7 igr=    3 Error= 3.638E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.544E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.227E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.537E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.731E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.143E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.015E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.998E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.122E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.196E-05
+   ==> Level=    7 igr=    4 Error= 4.196E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.920E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.870E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.791E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.002E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.769E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.097E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.346E-05
+   ==> Level=    7 igr=    5 Error= 4.346E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.920E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.870E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.791E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.002E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.769E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.097E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.346E-05
+   ==> Level=    7 igr=    6 Error= 4.346E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.151E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.792E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.157E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.498E-05
+   ==> Level=    7 igr=    7 Error= 6.498E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.142E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.787E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.429E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.174E-05
+   ==> Level=    7 igr=    8 Error= 9.174E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.874E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.370E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.106E-05
+   ==> Level=    7 igr=    9 Error= 7.106E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.125E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.054E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.963E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.618E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.454E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.169E-05
+   ==> Level=    7 igr=   10 Error= 9.169E-05 Steps=    6
+   0.100000E+01  -0.494002E+00   0.118478E-01  -0.482154E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    140 mcons= 0.00E+00 econs=-3.36E-01 epot=-7.18E-03 ekin= 2.39E-03
+ Fine step=    140 t=-4.94002E-01 dt= 1.185E-02 a= 6.871E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.72 s       24.52 mus/pt       30.39 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4511.52979     s
+   ==> Step=    1 GR_pot:    1 Error= 1.209E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.759E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.683E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.300E-04
+   ==> Step=    5 GR_pot:    1 Error= 4.518E-05
+   ==> Level=    7 igr=    1 Error= 4.518E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.149E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.296E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.470E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.077E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.890E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.069E-05
+   ==> Level=    7 igr=    2 Error= 7.069E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.202E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.790E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.537E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.084E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.573E-05
+   ==> Level=    7 igr=    3 Error= 3.573E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.525E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.112E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.493E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.566E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.081E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.785E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.912E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.089E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.075E-05
+   ==> Level=    7 igr=    4 Error= 4.075E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.901E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.928E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.821E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.121E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.816E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.115E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.419E-05
+   ==> Level=    7 igr=    5 Error= 4.419E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.902E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.928E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.821E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.121E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.816E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.115E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.419E-05
+   ==> Level=    7 igr=    6 Error= 4.419E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.154E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.871E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.230E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.533E-05
+   ==> Level=    7 igr=    7 Error= 6.533E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.669E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.247E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.557E-05
+   ==> Level=    7 igr=    8 Error= 8.557E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.147E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.954E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.447E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.184E-05
+   ==> Level=    7 igr=    9 Error= 7.184E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.128E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.045E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.873E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.242E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.312E-04
+   ==> Step=    6 GR_pot:   10 Error= 8.639E-05
+   ==> Level=    7 igr=   10 Error= 8.639E-05 Steps=    6
+   0.100000E+01  -0.482154E+00   0.117067E-01  -0.470448E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    141 mcons= 0.00E+00 econs=-3.36E-01 epot=-7.34E-03 ekin= 2.44E-03
+ Fine step=    141 t=-4.82154E-01 dt= 1.171E-02 a= 6.921E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.70 s       24.51 mus/pt       30.34 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4537.22998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.197E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.736E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.538E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.195E-04
+   ==> Step=    5 GR_pot:    1 Error= 4.095E-05
+   ==> Level=    7 igr=    1 Error= 4.095E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.079E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.402E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.824E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.796E-04
+   ==> Step=    6 GR_pot:    2 Error= 6.716E-05
+   ==> Level=    7 igr=    2 Error= 6.716E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.202E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.848E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.574E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.061E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.465E-05
+   ==> Level=    7 igr=    3 Error= 3.465E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.492E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.913E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.417E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.282E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.975E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.387E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.763E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.034E-04
+   ==> Step=    9 GR_pot:    4 Error= 3.867E-05
+   ==> Level=    7 igr=    4 Error= 3.867E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.886E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.988E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.850E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.239E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.863E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.134E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.492E-05
+   ==> Level=    7 igr=    5 Error= 4.492E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.886E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.988E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.850E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.239E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.863E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.134E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.492E-05
+   ==> Level=    7 igr=    6 Error= 4.492E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.151E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.870E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.230E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.509E-05
+   ==> Level=    7 igr=    7 Error= 6.509E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.566E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.129E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.388E-05
+   ==> Level=    7 igr=    8 Error= 8.388E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    9 Error= 8.001E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.499E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.140E-05
+   ==> Level=    7 igr=    9 Error= 7.140E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.130E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.052E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.920E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.445E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.389E-04
+   ==> Step=    6 GR_pot:   10 Error= 8.928E-05
+   ==> Level=    7 igr=   10 Error= 8.928E-05 Steps=    6
+   0.100000E+01  -0.470448E+00   0.115917E-01  -0.458856E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    142 mcons= 0.00E+00 econs=-3.36E-01 epot=-7.50E-03 ekin= 2.50E-03
+ Fine step=    142 t=-4.70448E-01 dt= 1.159E-02 a= 6.971E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.72 s       24.52 mus/pt       30.30 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4562.94971     s
+   ==> Step=    1 GR_pot:    1 Error= 1.171E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.588E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.324E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.101E-04
+   ==> Step=    5 GR_pot:    1 Error= 3.725E-05
+   ==> Level=    7 igr=    1 Error= 3.725E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.114E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.914E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.377E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.742E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.766E-04
+   ==> Step=    6 GR_pot:    2 Error= 6.603E-05
+   ==> Level=    7 igr=    2 Error= 6.603E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.185E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.813E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.544E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.036E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.353E-05
+   ==> Level=    7 igr=    3 Error= 3.353E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.468E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.759E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.358E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.062E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.893E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.080E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.648E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.907E-05
+   ==> Level=    7 igr=    4 Error= 9.907E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.874E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.048E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.879E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.350E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.907E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.151E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.562E-05
+   ==> Level=    7 igr=    5 Error= 4.562E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.874E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.048E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.879E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.350E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.907E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.151E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.562E-05
+   ==> Level=    7 igr=    6 Error= 4.562E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.792E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.150E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.394E-05
+   ==> Level=    7 igr=    7 Error= 6.394E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.471E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.031E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.266E-05
+   ==> Level=    7 igr=    8 Error= 8.266E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.142E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.991E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.488E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.033E-05
+   ==> Level=    7 igr=    9 Error= 7.033E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.132E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.050E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.930E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.499E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.410E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.007E-05
+   ==> Level=    7 igr=   10 Error= 9.007E-05 Steps=    6
+   0.100000E+01  -0.458856E+00   0.115830E-01  -0.447273E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    143 mcons= 0.00E+00 econs=-3.36E-01 epot=-7.66E-03 ekin= 2.55E-03
+ Fine step=    143 t=-4.58856E-01 dt= 1.158E-02 a= 7.021E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.34 s       24.16 mus/pt       30.26 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4588.27979     s
+   ==> Step=    1 GR_pot:    1 Error= 1.151E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.368E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.027E-04
+   ==> Step=    4 GR_pot:    1 Error= 9.983E-05
+   ==> Level=    7 igr=    1 Error= 9.983E-05 Steps=    4
+   ==> Step=    1 GR_pot:    2 Error= 1.100E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.893E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.400E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.840E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.802E-04
+   ==> Step=    6 GR_pot:    2 Error= 6.740E-05
+   ==> Level=    7 igr=    2 Error= 6.740E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.163E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.715E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.445E-04
+   ==> Step=    4 GR_pot:    3 Error= 9.976E-05
+   ==> Level=    7 igr=    3 Error= 9.976E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.442E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.608E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.301E-02
+   ==> Step=    4 GR_pot:    4 Error= 4.849E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.813E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.782E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.537E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.490E-05
+   ==> Level=    7 igr=    4 Error= 9.490E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.875E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.137E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.918E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.505E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.969E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.176E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.658E-05
+   ==> Level=    7 igr=    5 Error= 4.658E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.875E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.137E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.918E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.505E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.969E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.176E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.658E-05
+   ==> Level=    7 igr=    6 Error= 4.658E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.659E-03
+   ==> Step=    3 GR_pot:    7 Error= 6.009E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.228E-05
+   ==> Level=    7 igr=    7 Error= 6.228E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.435E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.018E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.462E-05
+   ==> Level=    7 igr=    8 Error= 8.462E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.945E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.431E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.803E-05
+   ==> Level=    7 igr=    9 Error= 6.803E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.132E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.050E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.976E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.707E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.489E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.303E-05
+   ==> Level=    7 igr=   10 Error= 9.303E-05 Steps=    6
+   0.100000E+01  -0.447273E+00   0.116898E-01  -0.435583E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    144 mcons= 0.00E+00 econs=-3.36E-01 epot=-7.82E-03 ekin= 2.60E-03
+ Fine step=    144 t=-4.47273E-01 dt= 1.169E-02 a= 7.071E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   24.68 s       23.54 mus/pt       30.21 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4612.96973     s
+   ==> Step=    1 GR_pot:    1 Error= 1.153E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.240E-03
+   ==> Step=    3 GR_pot:    1 Error= 5.820E-04
+   ==> Step=    4 GR_pot:    1 Error= 9.293E-05
+   ==> Level=    7 igr=    1 Error= 9.293E-05 Steps=    4
+   ==> Step=    1 GR_pot:    2 Error= 1.099E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.000E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.465E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.093E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.897E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.096E-05
+   ==> Level=    7 igr=    2 Error= 7.096E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.575E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.299E-04
+   ==> Step=    4 GR_pot:    3 Error= 9.627E-05
+   ==> Level=    7 igr=    3 Error= 9.627E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.421E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.494E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.258E-02
+   ==> Step=    4 GR_pot:    4 Error= 4.688E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.753E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.556E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.453E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.175E-05
+   ==> Level=    7 igr=    4 Error= 9.175E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.883E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.202E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.946E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.616E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.012E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.193E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.727E-05
+   ==> Level=    7 igr=    5 Error= 4.727E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.883E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.202E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.946E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.616E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.012E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.193E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.727E-05
+   ==> Level=    7 igr=    6 Error= 4.727E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.140E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.557E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.886E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.065E-05
+   ==> Level=    7 igr=    7 Error= 6.065E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.442E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.076E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.928E-05
+   ==> Level=    7 igr=    8 Error= 8.928E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.857E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.325E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.574E-05
+   ==> Level=    7 igr=    9 Error= 6.574E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.129E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.048E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.019E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.905E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.564E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.584E-05
+   ==> Level=    7 igr=   10 Error= 9.584E-05 Steps=    6
+   0.100000E+01  -0.435583E+00   0.111916E-01  -0.424392E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    145 mcons= 0.00E+00 econs=-3.36E-01 epot=-7.98E-03 ekin= 2.65E-03
+ Fine step=    145 t=-4.35583E-01 dt= 1.119E-02 a= 7.123E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   24.84 s       23.69 mus/pt       30.17 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4637.81006     s
+   ==> Step=    1 GR_pot:    1 Error= 1.171E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.242E-03
+   ==> Step=    3 GR_pot:    1 Error= 5.798E-04
+   ==> Step=    4 GR_pot:    1 Error= 9.410E-05
+   ==> Level=    7 igr=    1 Error= 9.410E-05 Steps=    4
+   ==> Step=    1 GR_pot:    2 Error= 1.101E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.232E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.599E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.619E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.094E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.833E-05
+   ==> Level=    7 igr=    2 Error= 7.833E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.434E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.169E-04
+   ==> Step=    4 GR_pot:    3 Error= 9.583E-05
+   ==> Level=    7 igr=    3 Error= 9.583E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.439E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.623E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.308E-02
+   ==> Step=    4 GR_pot:    4 Error= 4.877E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.823E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.820E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.551E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.544E-05
+   ==> Level=    7 igr=    4 Error= 9.544E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.890E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.239E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.963E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.683E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.039E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.204E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.768E-05
+   ==> Level=    7 igr=    5 Error= 4.768E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.890E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.239E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.963E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.683E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.039E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.204E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.768E-05
+   ==> Level=    7 igr=    6 Error= 4.768E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.499E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.799E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.921E-05
+   ==> Level=    7 igr=    7 Error= 5.921E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.466E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.097E-04
+   ==> Step=    4 GR_pot:    8 Error= 8.797E-05
+   ==> Level=    7 igr=    8 Error= 8.797E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.722E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.166E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.391E-05
+   ==> Level=    7 igr=    9 Error= 6.391E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.125E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.022E-02
+   ==> Step=    3 GR_pot:   10 Error= 1.892E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.409E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.378E-04
+   ==> Step=    6 GR_pot:   10 Error= 8.890E-05
+   ==> Level=    7 igr=   10 Error= 8.890E-05 Steps=    6
+   0.100000E+01  -0.424392E+00   0.110271E-01  -0.413365E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    146 mcons= 0.00E+00 econs=-3.37E-01 epot=-8.14E-03 ekin= 2.70E-03
+ Fine step=    146 t=-4.24392E-01 dt= 1.103E-02 a= 7.174E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   24.85 s       23.70 mus/pt       30.13 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4662.65967     s
+   ==> Step=    1 GR_pot:    1 Error= 1.189E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.264E-03
+   ==> Step=    3 GR_pot:    1 Error= 5.771E-04
+   ==> Step=    4 GR_pot:    1 Error= 9.245E-05
+   ==> Level=    7 igr=    1 Error= 9.245E-05 Steps=    4
+   ==> Step=    1 GR_pot:    2 Error= 1.105E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.391E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.677E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.916E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.205E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.248E-05
+   ==> Level=    7 igr=    2 Error= 8.248E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.341E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.005E-04
+   ==> Step=    4 GR_pot:    3 Error= 9.067E-05
+   ==> Level=    7 igr=    3 Error= 9.067E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.424E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.566E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.287E-02
+   ==> Step=    4 GR_pot:    4 Error= 4.798E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.794E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.710E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.510E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.390E-05
+   ==> Level=    7 igr=    4 Error= 9.390E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.895E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.262E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.975E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.729E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.057E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.211E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.797E-05
+   ==> Level=    7 igr=    5 Error= 4.797E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.895E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.262E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.975E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.729E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.057E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.211E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.797E-05
+   ==> Level=    7 igr=    6 Error= 4.797E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.153E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.509E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.801E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.964E-05
+   ==> Level=    7 igr=    7 Error= 5.964E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.513E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.238E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.702E-05
+   ==> Level=    7 igr=    8 Error= 9.702E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.617E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.022E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.013E-05
+   ==> Level=    7 igr=    9 Error= 6.013E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.121E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.036E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.031E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.988E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.597E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.707E-05
+   ==> Level=    7 igr=   10 Error= 9.707E-05 Steps=    6
+   0.100000E+01  -0.413365E+00   0.108143E-01  -0.402550E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    147 mcons= 0.00E+00 econs=-3.37E-01 epot=-8.28E-03 ekin= 2.74E-03
+ Fine step=    147 t=-4.13365E-01 dt= 1.081E-02 a= 7.225E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   24.69 s       23.55 mus/pt       30.08 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4687.35010     s
+   ==> Step=    1 GR_pot:    1 Error= 1.173E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.156E-03
+   ==> Step=    3 GR_pot:    1 Error= 5.737E-04
+   ==> Step=    4 GR_pot:    1 Error= 9.546E-05
+   ==> Level=    7 igr=    1 Error= 9.546E-05 Steps=    4
+   ==> Step=    1 GR_pot:    2 Error= 1.106E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.511E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.732E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.128E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.285E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.545E-05
+   ==> Level=    7 igr=    2 Error= 8.545E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.153E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.287E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.916E-04
+   ==> Step=    4 GR_pot:    3 Error= 8.885E-05
+   ==> Level=    7 igr=    3 Error= 8.885E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.436E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.644E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.317E-02
+   ==> Step=    4 GR_pot:    4 Error= 4.911E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.836E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.868E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.569E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.612E-05
+   ==> Level=    7 igr=    4 Error= 9.612E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.888E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.254E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.974E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.727E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.056E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.211E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.796E-05
+   ==> Level=    7 igr=    5 Error= 4.796E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.888E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.254E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.974E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.727E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.056E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.211E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.796E-05
+   ==> Level=    7 igr=    6 Error= 4.796E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.150E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.495E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.794E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.999E-05
+   ==> Level=    7 igr=    7 Error= 5.999E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.539E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.297E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.004E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.293E-05
+   ==> Level=    7 igr=    8 Error= 3.293E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.520E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.888E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.723E-05
+   ==> Level=    7 igr=    9 Error= 5.723E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.119E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.041E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.100E-03
+   ==> Step=    4 GR_pot:   10 Error= 7.277E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.706E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.011E-04
+   ==> Step=    7 GR_pot:   10 Error= 3.783E-05
+   ==> Level=    7 igr=   10 Error= 3.783E-05 Steps=    7
+   0.100000E+01  -0.402550E+00   0.106786E-01  -0.391872E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    148 mcons= 0.00E+00 econs=-3.37E-01 epot=-8.43E-03 ekin= 2.78E-03
+ Fine step=    148 t=-4.02550E-01 dt= 1.068E-02 a= 7.275E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.49 s       24.31 mus/pt       30.04 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4712.83984     s
+   ==> Step=    1 GR_pot:    1 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.961E-03
+   ==> Step=    3 GR_pot:    1 Error= 5.710E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.010E-04
+   ==> Step=    5 GR_pot:    1 Error= 3.443E-05
+   ==> Level=    7 igr=    1 Error= 3.443E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.501E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.702E-03
+   ==> Step=    4 GR_pot:    2 Error= 6.006E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.239E-04
+   ==> Step=    6 GR_pot:    2 Error= 8.375E-05
+   ==> Level=    7 igr=    2 Error= 8.375E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.154E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.271E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.886E-04
+   ==> Step=    4 GR_pot:    3 Error= 8.817E-05
+   ==> Level=    7 igr=    3 Error= 8.817E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.448E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.697E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.338E-02
+   ==> Step=    4 GR_pot:    4 Error= 4.987E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.865E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.975E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.609E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.761E-05
+   ==> Level=    7 igr=    4 Error= 9.761E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.871E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.207E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.958E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.665E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.032E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.201E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.757E-05
+   ==> Level=    7 igr=    5 Error= 4.757E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.871E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.207E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.958E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.665E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.032E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.201E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.757E-05
+   ==> Level=    7 igr=    6 Error= 4.757E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.463E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.784E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.036E-05
+   ==> Level=    7 igr=    7 Error= 6.036E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.527E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.267E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.005E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.309E-05
+   ==> Level=    7 igr=    8 Error= 3.309E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.457E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.786E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.448E-05
+   ==> Level=    7 igr=    9 Error= 5.448E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.120E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.049E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.173E-03
+   ==> Step=    4 GR_pot:   10 Error= 7.572E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.816E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.053E-04
+   ==> Step=    7 GR_pot:   10 Error= 3.938E-05
+   ==> Level=    7 igr=   10 Error= 3.938E-05 Steps=    7
+   0.100000E+01  -0.391872E+00   0.106146E-01  -0.381257E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    149 mcons= 0.00E+00 econs=-3.37E-01 epot=-8.56E-03 ekin= 2.82E-03
+ Fine step=    149 t=-3.91872E-01 dt= 1.061E-02 a= 7.326E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.71 s       24.52 mus/pt       30.01 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4738.54980     s
+   ==> Step=    1 GR_pot:    1 Error= 1.078E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.807E-03
+   ==> Step=    3 GR_pot:    1 Error= 5.753E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.087E-04
+   ==> Step=    5 GR_pot:    1 Error= 3.756E-05
+   ==> Level=    7 igr=    1 Error= 3.756E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.378E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.618E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.682E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.118E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.920E-05
+   ==> Level=    7 igr=    2 Error= 7.920E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.167E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.817E-04
+   ==> Step=    4 GR_pot:    3 Error= 8.786E-05
+   ==> Level=    7 igr=    3 Error= 8.786E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.460E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.751E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.358E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.064E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.893E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.083E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.650E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.912E-05
+   ==> Level=    7 igr=    4 Error= 9.912E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.847E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.148E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.938E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.587E-04
+   ==> Step=    5 GR_pot:    5 Error= 3.001E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.189E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.709E-05
+   ==> Level=    7 igr=    5 Error= 4.709E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.847E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.148E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.938E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.587E-04
+   ==> Step=    5 GR_pot:    6 Error= 3.001E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.189E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.709E-05
+   ==> Level=    7 igr=    6 Error= 4.709E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.420E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.761E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.111E-05
+   ==> Level=    7 igr=    7 Error= 6.111E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.491E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.193E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.912E-05
+   ==> Level=    7 igr=    8 Error= 9.912E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.406E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.709E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.228E-05
+   ==> Level=    7 igr=    9 Error= 5.228E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.123E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.064E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.275E-03
+   ==> Step=    4 GR_pot:   10 Error= 7.979E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.969E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.110E-04
+   ==> Step=    7 GR_pot:   10 Error= 4.152E-05
+   ==> Level=    7 igr=   10 Error= 4.152E-05 Steps=    7
+   0.100000E+01  -0.381257E+00   0.104823E-01  -0.370775E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    150 mcons= 0.00E+00 econs=-3.36E-01 epot=-8.70E-03 ekin= 2.86E-03
+ Fine step=    150 t=-3.81257E-01 dt= 1.048E-02 a= 7.377E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.36 s       24.19 mus/pt       29.97 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4763.90967     s
+   ==> Step=    1 GR_pot:    1 Error= 1.073E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.824E-03
+   ==> Step=    3 GR_pot:    1 Error= 5.938E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.205E-04
+   ==> Step=    5 GR_pot:    1 Error= 4.224E-05
+   ==> Level=    7 igr=    1 Error= 4.224E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.259E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.547E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.405E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.014E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.533E-05
+   ==> Level=    7 igr=    2 Error= 7.533E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.109E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.024E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.724E-04
+   ==> Step=    4 GR_pot:    3 Error= 8.840E-05
+   ==> Level=    7 igr=    3 Error= 8.840E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.483E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.870E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.403E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.233E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.957E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.318E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.738E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.024E-04
+   ==> Step=    9 GR_pot:    4 Error= 3.831E-05
+   ==> Level=    7 igr=    4 Error= 3.831E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.830E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.093E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.919E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.510E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.971E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.177E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.661E-05
+   ==> Level=    7 igr=    5 Error= 4.661E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.830E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.093E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.919E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.510E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.971E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.177E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.661E-05
+   ==> Level=    7 igr=    6 Error= 4.661E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.404E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.735E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.146E-05
+   ==> Level=    7 igr=    7 Error= 6.146E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.467E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.127E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.696E-05
+   ==> Level=    7 igr=    8 Error= 9.696E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.374E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.658E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.102E-05
+   ==> Level=    7 igr=    9 Error= 5.102E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.127E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.078E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.357E-03
+   ==> Step=    4 GR_pot:   10 Error= 8.301E-04
+   ==> Step=    5 GR_pot:   10 Error= 3.090E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.155E-04
+   ==> Step=    7 GR_pot:   10 Error= 4.322E-05
+   ==> Level=    7 igr=   10 Error= 4.322E-05 Steps=    7
+   0.100000E+01  -0.370775E+00   0.106008E-01  -0.360174E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    151 mcons= 0.00E+00 econs=-3.36E-01 epot=-8.83E-03 ekin= 2.90E-03
+ Fine step=    151 t=-3.70775E-01 dt= 1.060E-02 a= 7.428E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.64 s       24.45 mus/pt       29.93 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4789.54980     s
+   ==> Step=    1 GR_pot:    1 Error= 1.106E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.964E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.137E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.296E-04
+   ==> Step=    5 GR_pot:    1 Error= 4.576E-05
+   ==> Level=    7 igr=    1 Error= 4.576E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.135E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.473E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.120E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.907E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.133E-05
+   ==> Level=    7 igr=    2 Error= 7.133E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.108E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.036E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.735E-04
+   ==> Step=    4 GR_pot:    3 Error= 8.874E-05
+   ==> Level=    7 igr=    3 Error= 8.874E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.489E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.908E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.417E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.285E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.976E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.391E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.765E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.034E-04
+   ==> Step=    9 GR_pot:    4 Error= 3.869E-05
+   ==> Level=    7 igr=    4 Error= 3.869E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.818E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.040E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.900E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.436E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.941E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.165E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.615E-05
+   ==> Level=    7 igr=    5 Error= 4.615E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.818E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.040E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.900E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.436E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.941E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.165E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.615E-05
+   ==> Level=    7 igr=    6 Error= 4.615E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.407E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.722E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.248E-05
+   ==> Level=    7 igr=    7 Error= 6.248E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.463E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.134E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.944E-05
+   ==> Level=    7 igr=    8 Error= 9.944E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.431E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.693E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.046E-05
+   ==> Level=    7 igr=    9 Error= 5.046E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.131E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.119E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.577E-03
+   ==> Step=    4 GR_pot:   10 Error= 9.158E-04
+   ==> Step=    5 GR_pot:   10 Error= 3.411E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.275E-04
+   ==> Step=    7 GR_pot:   10 Error= 4.771E-05
+   ==> Level=    7 igr=   10 Error= 4.771E-05 Steps=    7
+   0.100000E+01  -0.360174E+00   0.105139E-01  -0.349660E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    152 mcons= 0.00E+00 econs=-3.36E-01 epot=-8.96E-03 ekin= 2.93E-03
+ Fine step=    152 t=-3.60174E-01 dt= 1.051E-02 a= 7.481E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.28 s       24.11 mus/pt       29.89 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4814.83008     s
+   ==> Step=    1 GR_pot:    1 Error= 1.156E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.036E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.266E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.395E-04
+   ==> Step=    5 GR_pot:    1 Error= 4.970E-05
+   ==> Level=    7 igr=    1 Error= 4.970E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.150E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.465E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.085E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.894E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.085E-05
+   ==> Level=    7 igr=    2 Error= 7.085E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.140E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.267E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.969E-04
+   ==> Step=    4 GR_pot:    3 Error= 9.496E-05
+   ==> Level=    7 igr=    3 Error= 9.496E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.516E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.070E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.479E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.514E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.062E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.712E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.885E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.079E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.037E-05
+   ==> Level=    7 igr=    4 Error= 4.037E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.820E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.002E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.885E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.376E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.917E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.156E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.578E-05
+   ==> Level=    7 igr=    5 Error= 4.578E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.820E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.002E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.885E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.376E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.917E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.156E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.578E-05
+   ==> Level=    7 igr=    6 Error= 4.578E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.157E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.283E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.548E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.039E-05
+   ==> Level=    7 igr=    7 Error= 6.039E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.483E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.124E-04
+   ==> Step=    4 GR_pot:    8 Error= 9.745E-05
+   ==> Level=    7 igr=    8 Error= 9.745E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.148E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.527E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.768E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.150E-05
+   ==> Level=    7 igr=    9 Error= 5.150E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.132E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.123E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.597E-03
+   ==> Step=    4 GR_pot:   10 Error= 9.232E-04
+   ==> Step=    5 GR_pot:   10 Error= 3.439E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.286E-04
+   ==> Step=    7 GR_pot:   10 Error= 4.809E-05
+   ==> Level=    7 igr=   10 Error= 4.809E-05 Steps=    7
+   0.100000E+01  -0.349660E+00   0.104940E-01  -0.339166E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    153 mcons= 0.00E+00 econs=-3.36E-01 epot=-9.10E-03 ekin= 2.97E-03
+ Fine step=    153 t=-3.49660E-01 dt= 1.049E-02 a= 7.534E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.72 s       24.52 mus/pt       29.86 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4840.54004     s
+   ==> Step=    1 GR_pot:    1 Error= 1.181E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.011E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.278E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.439E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.151E-05
+   ==> Level=    7 igr=    1 Error= 5.151E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.189E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.464E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.075E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.890E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.070E-05
+   ==> Level=    7 igr=    2 Error= 7.070E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.171E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.478E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.151E-04
+   ==> Step=    4 GR_pot:    3 Error= 9.846E-05
+   ==> Level=    7 igr=    3 Error= 9.846E-05 Steps=    4
+   ==> Step=    1 GR_pot:    4 Error= 1.526E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.135E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.503E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.605E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.096E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.840E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.933E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.097E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.104E-05
+   ==> Level=    7 igr=    4 Error= 4.104E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.829E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.983E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.876E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.341E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.904E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.150E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.556E-05
+   ==> Level=    7 igr=    5 Error= 4.556E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.829E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.983E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.876E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.341E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.904E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.150E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.556E-05
+   ==> Level=    7 igr=    6 Error= 4.556E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.161E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.170E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.412E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.903E-05
+   ==> Level=    7 igr=    7 Error= 5.903E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.518E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.187E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.004E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.333E-05
+   ==> Level=    7 igr=    8 Error= 3.333E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.156E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.593E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.822E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.221E-05
+   ==> Level=    7 igr=    9 Error= 5.221E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.134E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.150E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.746E-03
+   ==> Step=    4 GR_pot:   10 Error= 9.806E-04
+   ==> Step=    5 GR_pot:   10 Error= 3.654E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.366E-04
+   ==> Step=    7 GR_pot:   10 Error= 5.111E-05
+   ==> Level=    7 igr=   10 Error= 5.111E-05 Steps=    7
+   0.100000E+01  -0.339166E+00   0.105513E-01  -0.328615E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    154 mcons= 0.00E+00 econs=-3.36E-01 epot=-9.23E-03 ekin= 3.00E-03
+ Fine step=    154 t=-3.39166E-01 dt= 1.055E-02 a= 7.587E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.01 s       24.80 mus/pt       29.82 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4866.54980     s
+   ==> Step=    1 GR_pot:    1 Error= 1.190E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.959E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.304E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.488E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.347E-05
+   ==> Level=    7 igr=    1 Error= 5.347E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.142E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.230E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.473E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.107E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.902E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.115E-05
+   ==> Level=    7 igr=    2 Error= 7.115E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.181E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.559E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.250E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.016E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.331E-05
+   ==> Level=    7 igr=    3 Error= 3.331E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.541E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.224E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.537E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.732E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.143E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.017E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.999E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.122E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.197E-05
+   ==> Level=    7 igr=    4 Error= 4.197E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.845E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.976E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.870E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.320E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.895E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.147E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.543E-05
+   ==> Level=    7 igr=    5 Error= 4.543E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.845E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.976E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.870E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.320E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.895E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.147E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.543E-05
+   ==> Level=    7 igr=    6 Error= 4.543E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.160E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.091E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.329E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.853E-05
+   ==> Level=    7 igr=    7 Error= 5.853E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.540E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.241E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.031E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.439E-05
+   ==> Level=    7 igr=    8 Error= 3.439E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.155E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.596E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.839E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.326E-05
+   ==> Level=    7 igr=    9 Error= 5.326E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.135E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.177E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.888E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.035E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.858E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.443E-04
+   ==> Step=    7 GR_pot:   10 Error= 5.397E-05
+   ==> Level=    7 igr=   10 Error= 5.397E-05 Steps=    7
+   0.100000E+01  -0.328615E+00   0.103716E-01  -0.318243E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    155 mcons= 0.00E+00 econs=-3.36E-01 epot=-9.37E-03 ekin= 3.04E-03
+ Fine step=    155 t=-3.28615E-01 dt= 1.037E-02 a= 7.642E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.24 s       25.02 mus/pt       29.79 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4892.79004     s
+   ==> Step=    1 GR_pot:    1 Error= 1.182E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.759E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.163E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.495E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.391E-05
+   ==> Level=    7 igr=    1 Error= 5.391E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.298E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.516E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.272E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.964E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.346E-05
+   ==> Level=    7 igr=    2 Error= 7.346E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.172E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.474E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.247E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.055E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.498E-05
+   ==> Level=    7 igr=    3 Error= 3.498E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.569E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.379E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.596E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.952E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.225E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.324E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.114E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.165E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.358E-05
+   ==> Level=    7 igr=    4 Error= 4.358E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.856E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.970E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.865E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.299E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.887E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.143E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.530E-05
+   ==> Level=    7 igr=    5 Error= 4.530E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.856E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.970E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.865E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.299E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.887E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.143E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.530E-05
+   ==> Level=    7 igr=    6 Error= 4.530E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.151E-01
+   ==> Step=    2 GR_pot:    7 Error= 6.926E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.149E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.548E-05
+   ==> Level=    7 igr=    7 Error= 5.548E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.539E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.242E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.023E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.404E-05
+   ==> Level=    7 igr=    8 Error= 3.404E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.148E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.510E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.776E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.400E-05
+   ==> Level=    7 igr=    9 Error= 5.400E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.135E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.168E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.849E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.020E-03
+   ==> Step=    5 GR_pot:   10 Error= 3.803E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.422E-04
+   ==> Step=    7 GR_pot:   10 Error= 5.319E-05
+   ==> Level=    7 igr=   10 Error= 5.319E-05 Steps=    7
+   0.100000E+01  -0.318243E+00   0.103671E-01  -0.307876E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    156 mcons= 0.00E+00 econs=-3.36E-01 epot=-9.50E-03 ekin= 3.07E-03
+ Fine step=    156 t=-3.18243E-01 dt= 1.037E-02 a= 7.697E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.35 s       25.13 mus/pt       29.76 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4919.12988     s
+   ==> Step=    1 GR_pot:    1 Error= 1.155E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.579E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.022E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.471E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.311E-05
+   ==> Level=    7 igr=    1 Error= 5.311E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.280E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.526E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.314E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.980E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.405E-05
+   ==> Level=    7 igr=    2 Error= 7.405E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.156E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.372E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.227E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.084E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.625E-05
+   ==> Level=    7 igr=    3 Error= 3.625E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.575E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.411E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.608E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.997E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.242E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.388E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.138E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.174E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.391E-05
+   ==> Level=    7 igr=    4 Error= 4.391E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.865E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.986E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.868E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.311E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.892E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.145E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.538E-05
+   ==> Level=    7 igr=    5 Error= 4.538E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.865E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.986E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.868E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.311E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.892E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.145E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.538E-05
+   ==> Level=    7 igr=    6 Error= 4.538E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    7 Error= 6.823E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.060E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.442E-05
+   ==> Level=    7 igr=    7 Error= 5.442E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.513E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.287E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.073E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.613E-05
+   ==> Level=    7 igr=    8 Error= 3.613E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.140E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.423E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.712E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.415E-05
+   ==> Level=    7 igr=    9 Error= 5.415E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.137E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.201E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.042E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.095E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.083E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.527E-04
+   ==> Step=    7 GR_pot:   10 Error= 5.710E-05
+   ==> Level=    7 igr=   10 Error= 5.710E-05 Steps=    7
+   0.100000E+01  -0.307876E+00   0.105087E-01  -0.297368E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    157 mcons= 0.00E+00 econs=-3.36E-01 epot=-9.64E-03 ekin= 3.11E-03
+ Fine step=    157 t=-3.07876E-01 dt= 1.051E-02 a= 7.753E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.19 s       24.98 mus/pt       29.73 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4945.31982     s
+   ==> Step=    1 GR_pot:    1 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.517E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.052E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.490E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.380E-05
+   ==> Level=    7 igr=    1 Error= 5.380E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.255E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.535E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.356E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.996E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.463E-05
+   ==> Level=    7 igr=    2 Error= 7.463E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.348E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.335E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.153E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.901E-05
+   ==> Level=    7 igr=    3 Error= 3.901E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.585E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.460E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.626E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.067E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.268E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.485E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.174E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.187E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.442E-05
+   ==> Level=    7 igr=    4 Error= 4.442E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.873E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.025E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.880E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.358E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.910E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.153E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.567E-05
+   ==> Level=    7 igr=    5 Error= 4.567E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.873E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.025E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.880E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.358E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.910E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.153E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.567E-05
+   ==> Level=    7 igr=    6 Error= 4.567E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    7 Error= 6.813E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.072E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.457E-05
+   ==> Level=    7 igr=    7 Error= 5.457E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.487E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.329E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.120E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.811E-05
+   ==> Level=    7 igr=    8 Error= 3.811E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.393E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.711E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.536E-05
+   ==> Level=    7 igr=    9 Error= 5.536E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.139E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.237E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.243E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.173E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.373E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.635E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.116E-05
+   ==> Level=    7 igr=   10 Error= 6.116E-05 Steps=    7
+   0.100000E+01  -0.297368E+00   0.104413E-01  -0.286926E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    158 mcons= 0.00E+00 econs=-3.36E-01 epot=-9.78E-03 ekin= 3.14E-03
+ Fine step=    158 t=-2.97368E-01 dt= 1.044E-02 a= 7.810E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.18 s       24.97 mus/pt       29.70 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4971.50000     s
+   ==> Step=    1 GR_pot:    1 Error= 1.111E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.539E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.144E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.521E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.494E-05
+   ==> Level=    7 igr=    1 Error= 5.494E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.273E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.561E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.461E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.035E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.611E-05
+   ==> Level=    7 igr=    2 Error= 7.611E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.260E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.437E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.251E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.294E-05
+   ==> Level=    7 igr=    3 Error= 4.294E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.601E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.549E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.660E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.193E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.316E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.661E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.240E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.212E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.534E-05
+   ==> Level=    7 igr=    4 Error= 4.534E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.875E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.058E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.890E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.397E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.926E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.159E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.591E-05
+   ==> Level=    7 igr=    5 Error= 4.591E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.875E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.058E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.890E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.397E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.926E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.159E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.591E-05
+   ==> Level=    7 igr=    6 Error= 4.591E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    7 Error= 6.854E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.108E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.354E-05
+   ==> Level=    7 igr=    7 Error= 5.354E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.459E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.285E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.102E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.738E-05
+   ==> Level=    7 igr=    8 Error= 3.738E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.329E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.686E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.810E-05
+   ==> Level=    7 igr=    9 Error= 5.810E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.136E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.220E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.176E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.147E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.279E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.600E-04
+   ==> Step=    7 GR_pot:   10 Error= 5.985E-05
+   ==> Level=    7 igr=   10 Error= 5.985E-05 Steps=    7
+   0.100000E+01  -0.286926E+00   0.104840E-01  -0.276442E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    159 mcons= 0.00E+00 econs=-3.36E-01 epot=-9.93E-03 ekin= 3.18E-03
+ Fine step=    159 t=-2.86926E-01 dt= 1.048E-02 a= 7.868E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.25 s       25.04 mus/pt       29.67 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   4997.75977     s
+   ==> Step=    1 GR_pot:    1 Error= 1.105E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.624E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.237E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.531E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.525E-05
+   ==> Level=    7 igr=    1 Error= 5.525E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.267E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.561E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.460E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.035E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.610E-05
+   ==> Level=    7 igr=    2 Error= 7.610E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.227E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.506E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.311E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.535E-05
+   ==> Level=    7 igr=    3 Error= 4.535E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.599E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.553E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.662E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.199E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.318E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.670E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.243E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.213E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.539E-05
+   ==> Level=    7 igr=    4 Error= 4.539E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.874E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.081E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.897E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.424E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.937E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.163E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.608E-05
+   ==> Level=    7 igr=    5 Error= 4.608E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.874E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.081E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.897E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.424E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.937E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.163E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.608E-05
+   ==> Level=    7 igr=    6 Error= 4.608E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    7 Error= 6.947E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.204E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.411E-05
+   ==> Level=    7 igr=    7 Error= 5.411E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.465E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.325E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.131E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.856E-05
+   ==> Level=    7 igr=    8 Error= 3.856E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.327E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.707E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.989E-05
+   ==> Level=    7 igr=    9 Error= 5.989E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.134E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.243E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.303E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.196E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.462E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.669E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.242E-05
+   ==> Level=    7 igr=   10 Error= 6.242E-05 Steps=    7
+   0.100000E+01  -0.276442E+00   0.105081E-01  -0.265934E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    160 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.01E-02 ekin= 3.21E-03
+ Fine step=    160 t=-2.76442E-01 dt= 1.051E-02 a= 7.927E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.28 s       25.06 mus/pt       29.65 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5024.02979     s
+   ==> Step=    1 GR_pot:    1 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.795E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.388E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.549E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.580E-05
+   ==> Level=    7 igr=    1 Error= 5.580E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.276E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.568E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.487E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.045E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.648E-05
+   ==> Level=    7 igr=    2 Error= 7.648E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.258E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.640E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.379E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.798E-05
+   ==> Level=    7 igr=    3 Error= 4.798E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.600E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.570E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.668E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.223E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.327E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.704E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.256E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.218E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.556E-05
+   ==> Level=    7 igr=    4 Error= 4.556E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.873E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.103E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.904E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.450E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.947E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.167E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.624E-05
+   ==> Level=    7 igr=    5 Error= 4.624E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.873E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.103E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.904E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.450E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.947E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.167E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.624E-05
+   ==> Level=    7 igr=    6 Error= 4.624E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.096E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.350E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.486E-05
+   ==> Level=    7 igr=    7 Error= 5.486E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.490E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.356E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.139E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.887E-05
+   ==> Level=    7 igr=    8 Error= 3.887E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.371E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.778E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.266E-05
+   ==> Level=    7 igr=    9 Error= 6.266E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.131E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.250E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.335E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.209E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.508E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.686E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.306E-05
+   ==> Level=    7 igr=   10 Error= 6.306E-05 Steps=    7
+   0.100000E+01  -0.265934E+00   0.104420E-01  -0.255492E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    161 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.02E-02 ekin= 3.25E-03
+ Fine step=    161 t=-2.65934E-01 dt= 1.044E-02 a= 7.988E-01 mem=16.1% 72.5%
+ Time elapsed since last coarse step:   26.38 s       25.16 mus/pt       29.62 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5050.40967     s
+   ==> Step=    1 GR_pot:    1 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.963E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.573E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.580E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.684E-05
+   ==> Level=    7 igr=    1 Error= 5.684E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.295E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.578E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.526E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.060E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.703E-05
+   ==> Level=    7 igr=    2 Error= 7.703E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.361E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.844E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.455E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.082E-05
+   ==> Level=    7 igr=    3 Error= 5.082E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.601E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.585E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.674E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.242E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.334E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.730E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.266E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.222E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.570E-05
+   ==> Level=    7 igr=    4 Error= 4.570E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.869E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.118E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.909E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.468E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.954E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.170E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.635E-05
+   ==> Level=    7 igr=    5 Error= 4.635E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.870E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.118E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.909E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.468E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.954E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.170E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.635E-05
+   ==> Level=    7 igr=    6 Error= 4.635E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.259E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.519E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.583E-05
+   ==> Level=    7 igr=    7 Error= 5.583E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.521E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.376E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.133E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.855E-05
+   ==> Level=    7 igr=    8 Error= 3.855E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.463E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.893E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.618E-05
+   ==> Level=    7 igr=    9 Error= 6.618E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.128E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.246E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.304E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.197E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.463E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.669E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.243E-05
+   ==> Level=    7 igr=   10 Error= 6.243E-05 Steps=    7
+   0.100000E+01  -0.255492E+00   0.104717E-01  -0.245020E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    162 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.04E-02 ekin= 3.29E-03
+ Fine step=    162 t=-2.55492E-01 dt= 1.047E-02 a= 8.049E-01 mem=16.1% 72.5%
+ Time elapsed since last coarse step:   26.27 s       25.05 mus/pt       29.59 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5076.68994     s
+   ==> Step=    1 GR_pot:    1 Error= 1.121E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.113E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.725E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.603E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.757E-05
+   ==> Level=    7 igr=    1 Error= 5.757E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.292E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.567E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.479E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.042E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.636E-05
+   ==> Level=    7 igr=    2 Error= 7.636E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.409E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.946E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.489E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.212E-05
+   ==> Level=    7 igr=    3 Error= 5.212E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.595E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.560E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.664E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.207E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.321E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.682E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.248E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.215E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.545E-05
+   ==> Level=    7 igr=    4 Error= 4.545E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.862E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.127E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.912E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.479E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.958E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.172E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.642E-05
+   ==> Level=    7 igr=    5 Error= 4.642E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.862E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.127E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.912E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.479E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.958E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.172E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.642E-05
+   ==> Level=    7 igr=    6 Error= 4.642E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.389E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.658E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.721E-05
+   ==> Level=    7 igr=    7 Error= 5.721E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.559E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.432E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.152E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.926E-05
+   ==> Level=    7 igr=    8 Error= 3.926E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.547E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.985E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.790E-05
+   ==> Level=    7 igr=    9 Error= 6.790E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.129E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.267E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.403E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.234E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.605E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.722E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.441E-05
+   ==> Level=    7 igr=   10 Error= 6.441E-05 Steps=    7
+   0.100000E+01  -0.245020E+00   0.104589E-01  -0.234562E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    163 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.06E-02 ekin= 3.33E-03
+ Fine step=    163 t=-2.45020E-01 dt= 1.046E-02 a= 8.111E-01 mem=16.1% 72.5%
+ Time elapsed since last coarse step:   26.24 s       25.02 mus/pt       29.56 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5102.91992     s
+   ==> Step=    1 GR_pot:    1 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.197E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.844E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.623E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.825E-05
+   ==> Level=    7 igr=    1 Error= 5.825E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.308E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.560E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.450E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.031E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.595E-05
+   ==> Level=    7 igr=    2 Error= 7.595E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.111E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.377E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.960E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.502E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.265E-05
+   ==> Level=    7 igr=    3 Error= 5.265E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.589E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.527E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.651E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.159E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.303E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.614E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.222E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.205E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.510E-05
+   ==> Level=    7 igr=    4 Error= 4.510E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.850E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.124E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.910E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.472E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.955E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.171E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.637E-05
+   ==> Level=    7 igr=    5 Error= 4.637E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.850E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.124E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.910E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.472E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.955E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.171E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.637E-05
+   ==> Level=    7 igr=    6 Error= 4.637E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.477E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.761E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.794E-05
+   ==> Level=    7 igr=    7 Error= 5.794E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.602E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.461E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.145E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.893E-05
+   ==> Level=    7 igr=    8 Error= 3.893E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.599E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.042E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.948E-05
+   ==> Level=    7 igr=    9 Error= 6.948E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.130E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.264E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.380E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.226E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.572E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.710E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.396E-05
+   ==> Level=    7 igr=   10 Error= 6.396E-05 Steps=    7
+   0.100000E+01  -0.234562E+00   0.101250E-01  -0.224437E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    164 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.07E-02 ekin= 3.38E-03
+ Fine step=    164 t=-2.34562E-01 dt= 1.012E-02 a= 8.175E-01 mem=16.1% 72.5%
+ Time elapsed since last coarse step:   26.25 s       25.03 mus/pt       29.54 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5129.16992     s
+   ==> Step=    1 GR_pot:    1 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.262E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.946E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.642E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.890E-05
+   ==> Level=    7 igr=    1 Error= 5.890E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.368E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.567E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.471E-04
+   ==> Step=    5 GR_pot:    2 Error= 2.039E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.624E-05
+   ==> Level=    7 igr=    2 Error= 7.624E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.093E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.318E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.923E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.498E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.254E-05
+   ==> Level=    7 igr=    3 Error= 5.254E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.583E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.490E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.637E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.105E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.283E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.538E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.194E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.195E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.470E-05
+   ==> Level=    7 igr=    4 Error= 4.470E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.838E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.120E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.907E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.463E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.952E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.169E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.632E-05
+   ==> Level=    7 igr=    5 Error= 4.632E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.838E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.120E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.907E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.463E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.952E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.169E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.632E-05
+   ==> Level=    7 igr=    6 Error= 4.632E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.542E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.837E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.779E-05
+   ==> Level=    7 igr=    7 Error= 5.779E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.643E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.425E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.086E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.643E-05
+   ==> Level=    7 igr=    8 Error= 3.643E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.615E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.068E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.172E-05
+   ==> Level=    7 igr=    9 Error= 7.172E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.128E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.217E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.124E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.127E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.204E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.572E-04
+   ==> Step=    7 GR_pot:   10 Error= 5.880E-05
+   ==> Level=    7 igr=   10 Error= 5.880E-05 Steps=    7
+   0.100000E+01  -0.224437E+00   0.100915E-01  -0.214345E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    165 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.09E-02 ekin= 3.42E-03
+ Fine step=    165 t=-2.24437E-01 dt= 1.009E-02 a= 8.237E-01 mem=16.1% 72.5%
+ Time elapsed since last coarse step:   26.27 s       25.05 mus/pt       29.51 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5155.43994     s
+   ==> Step=    1 GR_pot:    1 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.266E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.944E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.632E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.849E-05
+   ==> Level=    7 igr=    1 Error= 5.849E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.355E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.527E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.306E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.977E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.392E-05
+   ==> Level=    7 igr=    2 Error= 7.392E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.083E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.239E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.803E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.461E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.119E-05
+   ==> Level=    7 igr=    3 Error= 5.119E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.574E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.436E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.617E-02
+   ==> Step=    4 GR_pot:    4 Error= 6.030E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.255E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.434E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.155E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.180E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.415E-05
+   ==> Level=    7 igr=    4 Error= 4.415E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.828E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.105E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.900E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.434E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.941E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.165E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.614E-05
+   ==> Level=    7 igr=    5 Error= 4.614E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.829E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.105E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.900E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.434E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.941E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.165E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.614E-05
+   ==> Level=    7 igr=    6 Error= 4.614E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.538E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.852E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.896E-05
+   ==> Level=    7 igr=    7 Error= 5.896E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.679E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.507E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.133E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.833E-05
+   ==> Level=    7 igr=    8 Error= 3.833E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.593E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.023E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.973E-05
+   ==> Level=    7 igr=    9 Error= 6.973E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.134E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.266E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.379E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.225E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.571E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.709E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.395E-05
+   ==> Level=    7 igr=   10 Error= 6.395E-05 Steps=    7
+   0.100000E+01  -0.214345E+00   0.102183E-01  -0.204127E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    166 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.11E-02 ekin= 3.47E-03
+ Fine step=    166 t=-2.14345E-01 dt= 1.022E-02 a= 8.301E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.14 s       24.93 mus/pt       29.48 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5181.58008     s
+   ==> Step=    1 GR_pot:    1 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.317E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.976E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.631E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.837E-05
+   ==> Level=    7 igr=    1 Error= 5.837E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.142E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.338E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.493E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.167E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.924E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.197E-05
+   ==> Level=    7 igr=    2 Error= 7.197E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.088E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.241E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.759E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.441E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.043E-05
+   ==> Level=    7 igr=    3 Error= 5.043E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.565E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.389E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.599E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.963E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.230E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.340E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.120E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.167E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.366E-05
+   ==> Level=    7 igr=    4 Error= 4.366E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.819E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.087E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.892E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.402E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.928E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.160E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.594E-05
+   ==> Level=    7 igr=    5 Error= 4.594E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.819E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.087E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.892E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.402E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.928E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.160E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.594E-05
+   ==> Level=    7 igr=    6 Error= 4.594E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.550E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.873E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.997E-05
+   ==> Level=    7 igr=    7 Error= 5.997E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.698E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.546E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.156E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.927E-05
+   ==> Level=    7 igr=    8 Error= 3.927E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.590E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.000E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.860E-05
+   ==> Level=    7 igr=    9 Error= 6.860E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.139E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.297E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.537E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.286E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.798E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.794E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.712E-05
+   ==> Level=    7 igr=   10 Error= 6.712E-05 Steps=    7
+   0.100000E+01  -0.204127E+00   0.100267E-01  -0.194100E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    167 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.13E-02 ekin= 3.52E-03
+ Fine step=    167 t=-2.04127E-01 dt= 1.003E-02 a= 8.366E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.27 s       25.05 mus/pt       29.45 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5207.85986     s
+   ==> Step=    1 GR_pot:    1 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.421E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.078E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.650E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.902E-05
+   ==> Level=    7 igr=    1 Error= 5.902E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.147E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.340E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.483E-03
+   ==> Step=    4 GR_pot:    2 Error= 5.126E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.909E-04
+   ==> Step=    6 GR_pot:    2 Error= 7.139E-05
+   ==> Level=    7 igr=    2 Error= 7.139E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.105E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.316E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.787E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.439E-04
+   ==> Step=    5 GR_pot:    3 Error= 5.032E-05
+   ==> Level=    7 igr=    3 Error= 5.032E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.558E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.349E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.583E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.904E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.208E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.258E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.089E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.156E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.323E-05
+   ==> Level=    7 igr=    4 Error= 4.323E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.809E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.064E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.881E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.359E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.911E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.153E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.567E-05
+   ==> Level=    7 igr=    5 Error= 4.567E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.809E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.064E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.881E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.359E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.911E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.153E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.567E-05
+   ==> Level=    7 igr=    6 Error= 4.567E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.604E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.924E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.983E-05
+   ==> Level=    7 igr=    7 Error= 5.983E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.696E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.463E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.090E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.653E-05
+   ==> Level=    7 igr=    8 Error= 3.653E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.621E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.028E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.013E-05
+   ==> Level=    7 igr=    9 Error= 7.013E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.135E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.252E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.303E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.197E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.463E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.669E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.244E-05
+   ==> Level=    7 igr=   10 Error= 6.244E-05 Steps=    7
+   0.100000E+01  -0.194100E+00   0.101011E-01  -0.183999E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    168 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.15E-02 ekin= 3.58E-03
+ Fine step=    168 t=-1.94100E-01 dt= 1.010E-02 a= 8.432E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.39 s       25.16 mus/pt       29.43 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5234.23975     s
+   ==> Step=    1 GR_pot:    1 Error= 1.156E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.526E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.120E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.639E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.854E-05
+   ==> Level=    7 igr=    1 Error= 5.854E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.150E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.298E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.449E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.991E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.858E-04
+   ==> Step=    6 GR_pot:    2 Error= 6.949E-05
+   ==> Level=    7 igr=    2 Error= 6.949E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.379E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.756E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.415E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.942E-05
+   ==> Level=    7 igr=    3 Error= 4.942E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.548E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.295E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.563E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.829E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.179E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.152E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.050E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.141E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.268E-05
+   ==> Level=    7 igr=    4 Error= 4.268E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.801E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.040E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.870E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.313E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.893E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.146E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.539E-05
+   ==> Level=    7 igr=    5 Error= 4.539E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.801E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.040E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.870E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.313E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.893E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.146E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.539E-05
+   ==> Level=    7 igr=    6 Error= 4.539E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.634E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.952E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.109E-05
+   ==> Level=    7 igr=    7 Error= 6.109E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.700E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.517E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.134E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.833E-05
+   ==> Level=    7 igr=    8 Error= 3.833E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.624E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.999E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.820E-05
+   ==> Level=    7 igr=    9 Error= 6.820E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.141E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.298E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.541E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.288E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.806E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.797E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.724E-05
+   ==> Level=    7 igr=   10 Error= 6.724E-05 Steps=    7
+   0.100000E+01  -0.183999E+00   0.101961E-01  -0.173803E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    169 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.17E-02 ekin= 3.64E-03
+ Fine step=    169 t=-1.83999E-01 dt= 1.020E-02 a= 8.499E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.30 s       25.09 mus/pt       29.40 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5260.54980     s
+   ==> Step=    1 GR_pot:    1 Error= 1.168E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.640E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.211E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.649E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.885E-05
+   ==> Level=    7 igr=    1 Error= 5.885E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.147E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.276E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.434E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.930E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.835E-04
+   ==> Step=    6 GR_pot:    2 Error= 6.864E-05
+   ==> Level=    7 igr=    2 Error= 6.864E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.159E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.485E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.785E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.408E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.907E-05
+   ==> Level=    7 igr=    3 Error= 4.907E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.540E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.252E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.547E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.768E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.157E-03
+   ==> Step=    6 GR_pot:    4 Error= 8.067E-04
+   ==> Step=    7 GR_pot:    4 Error= 3.018E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.129E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.223E-05
+   ==> Level=    7 igr=    4 Error= 4.223E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.790E-02
+   ==> Step=    2 GR_pot:    5 Error= 6.016E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.858E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.266E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.874E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.138E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.509E-05
+   ==> Level=    7 igr=    5 Error= 4.509E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.791E-02
+   ==> Step=    2 GR_pot:    6 Error= 6.016E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.858E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.266E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.874E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.138E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.510E-05
+   ==> Level=    7 igr=    6 Error= 4.510E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.149E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.664E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.980E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.174E-05
+   ==> Level=    7 igr=    7 Error= 6.174E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.145E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.698E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.524E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.138E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.853E-05
+   ==> Level=    7 igr=    8 Error= 3.853E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.154E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.639E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.000E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.771E-05
+   ==> Level=    7 igr=    9 Error= 6.771E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.142E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.311E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.602E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.311E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.894E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.830E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.846E-05
+   ==> Level=    7 igr=   10 Error= 6.846E-05 Steps=    7
+   0.100000E+01  -0.173803E+00   0.101964E-01  -0.163607E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    170 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.19E-02 ekin= 3.70E-03
+ Fine step=    170 t=-1.73803E-01 dt= 1.020E-02 a= 8.568E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.26 s       25.05 mus/pt       29.38 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5286.81006     s
+   ==> Step=    1 GR_pot:    1 Error= 1.164E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.663E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.263E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.663E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.934E-05
+   ==> Level=    7 igr=    1 Error= 5.934E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.139E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.211E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.416E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.862E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.810E-04
+   ==> Step=    6 GR_pot:    2 Error= 6.769E-05
+   ==> Level=    7 igr=    2 Error= 6.769E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.170E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.530E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.818E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.409E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.910E-05
+   ==> Level=    7 igr=    3 Error= 4.910E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.534E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.218E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.534E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.719E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.138E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.998E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.992E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.119E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.187E-05
+   ==> Level=    7 igr=    4 Error= 4.187E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.776E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.986E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.843E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.209E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.851E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.129E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.474E-05
+   ==> Level=    7 igr=    5 Error= 4.474E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.776E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.986E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.843E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.209E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.851E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.129E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.474E-05
+   ==> Level=    7 igr=    6 Error= 4.474E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.659E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.982E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.195E-05
+   ==> Level=    7 igr=    7 Error= 6.195E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.142E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.677E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.490E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.121E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.782E-05
+   ==> Level=    7 igr=    8 Error= 3.782E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.154E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.626E-03
+   ==> Step=    3 GR_pot:    9 Error= 6.000E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.795E-05
+   ==> Level=    7 igr=    9 Error= 6.795E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.143E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.308E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.586E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.305E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.871E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.822E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.815E-05
+   ==> Level=    7 igr=   10 Error= 6.815E-05 Steps=    7
+   0.100000E+01  -0.163607E+00   0.100969E-01  -0.153510E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    171 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.21E-02 ekin= 3.77E-03
+ Fine step=    171 t=-1.63607E-01 dt= 1.010E-02 a= 8.638E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.22 s       25.00 mus/pt       29.35 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5313.02002     s
+   ==> Step=    1 GR_pot:    1 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.564E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.221E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.662E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.931E-05
+   ==> Level=    7 igr=    1 Error= 5.931E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.112E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.389E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.763E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.773E-04
+   ==> Step=    6 GR_pot:    2 Error= 6.630E-05
+   ==> Level=    7 igr=    2 Error= 6.630E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.154E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.429E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.737E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.390E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.840E-05
+   ==> Level=    7 igr=    3 Error= 4.840E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.529E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.186E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.521E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.673E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.121E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.934E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.968E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.110E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.154E-05
+   ==> Level=    7 igr=    4 Error= 4.154E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.755E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.949E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.827E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.143E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.825E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.119E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.433E-05
+   ==> Level=    7 igr=    5 Error= 4.433E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.755E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.949E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.827E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.143E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.825E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.119E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.433E-05
+   ==> Level=    7 igr=    6 Error= 4.433E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.606E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.950E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.198E-05
+   ==> Level=    7 igr=    7 Error= 6.198E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.646E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.445E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.102E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.706E-05
+   ==> Level=    7 igr=    8 Error= 3.706E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.143E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.538E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.938E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.736E-05
+   ==> Level=    7 igr=    9 Error= 6.736E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.143E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.305E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.574E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.301E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.855E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.816E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.793E-05
+   ==> Level=    7 igr=   10 Error= 6.793E-05 Steps=    7
+   0.100000E+01  -0.153510E+00   0.981567E-02  -0.143694E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    172 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.24E-02 ekin= 3.84E-03
+ Fine step=    172 t=-1.53510E-01 dt= 9.816E-03 a= 8.709E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   31.18 s       29.74 mus/pt       29.35 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5344.20996     s
+   ==> Step=    1 GR_pot:    1 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.464E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.195E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.667E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.956E-05
+   ==> Level=    7 igr=    1 Error= 5.956E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    2 Error= 8.033E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.365E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.671E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.739E-04
+   ==> Step=    6 GR_pot:    2 Error= 6.502E-05
+   ==> Level=    7 igr=    2 Error= 6.502E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.295E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.644E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.370E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.764E-05
+   ==> Level=    7 igr=    3 Error= 4.764E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.524E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.155E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.509E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.628E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.104E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.870E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.944E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.101E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.120E-05
+   ==> Level=    7 igr=    4 Error= 4.120E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.740E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.909E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.808E-03
+   ==> Step=    4 GR_pot:    5 Error= 7.068E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.796E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.107E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.387E-05
+   ==> Level=    7 igr=    5 Error= 4.387E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.740E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.909E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.808E-03
+   ==> Step=    4 GR_pot:    6 Error= 7.068E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.796E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.107E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.387E-05
+   ==> Level=    7 igr=    6 Error= 4.387E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.567E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.932E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.198E-05
+   ==> Level=    7 igr=    7 Error= 6.198E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.622E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.390E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.069E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.574E-05
+   ==> Level=    7 igr=    8 Error= 3.574E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.447E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.881E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.711E-05
+   ==> Level=    7 igr=    9 Error= 6.711E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.142E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.290E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.499E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.272E-03
+   ==> Step=    5 GR_pot:   10 Error= 4.748E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.776E-04
+   ==> Step=    7 GR_pot:   10 Error= 6.643E-05
+   ==> Level=    7 igr=   10 Error= 6.643E-05 Steps=    7
+   0.100000E+01  -0.143694E+00   0.972532E-02  -0.133969E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    173 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.26E-02 ekin= 3.91E-03
+ Fine step=    173 t=-1.43694E-01 dt= 9.725E-03 a= 8.780E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.77 s       25.53 mus/pt       29.33 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5370.96973     s
+   ==> Step=    1 GR_pot:    1 Error= 1.092E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.361E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.151E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.668E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.963E-05
+   ==> Level=    7 igr=    1 Error= 5.963E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.951E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.324E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.512E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.679E-04
+   ==> Step=    6 GR_pot:    2 Error= 6.279E-05
+   ==> Level=    7 igr=    2 Error= 6.279E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.106E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.176E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.518E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.334E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.631E-05
+   ==> Level=    7 igr=    3 Error= 4.631E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.518E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.110E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.492E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.564E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.080E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.782E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.911E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.089E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.074E-05
+   ==> Level=    7 igr=    4 Error= 4.074E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.727E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.868E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.788E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.989E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.765E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.095E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.338E-05
+   ==> Level=    7 igr=    5 Error= 4.338E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.727E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.868E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.788E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.989E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.765E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.095E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.338E-05
+   ==> Level=    7 igr=    6 Error= 4.338E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.524E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.911E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.312E-05
+   ==> Level=    7 igr=    7 Error= 6.312E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.598E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.405E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.103E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.721E-05
+   ==> Level=    7 igr=    8 Error= 3.721E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.373E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.809E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.481E-05
+   ==> Level=    7 igr=    9 Error= 6.481E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.148E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.334E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.721E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.358E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.067E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.895E-04
+   ==> Step=    7 GR_pot:   10 Error= 7.089E-05
+   ==> Level=    7 igr=   10 Error= 7.089E-05 Steps=    7
+   0.100000E+01  -0.133969E+00   0.976236E-02  -0.124206E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    174 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.29E-02 ekin= 3.98E-03
+ Fine step=    174 t=-1.33969E-01 dt= 9.762E-03 a= 8.851E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.31 s       24.14 mus/pt       29.30 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5396.29004     s
+   ==> Step=    1 GR_pot:    1 Error= 1.082E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.294E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.140E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.684E-04
+   ==> Step=    5 GR_pot:    1 Error= 6.027E-05
+   ==> Level=    7 igr=    1 Error= 6.027E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.884E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.291E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.384E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.631E-04
+   ==> Step=    6 GR_pot:    2 Error= 6.099E-05
+   ==> Level=    7 igr=    2 Error= 6.099E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.103E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.139E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.436E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.302E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.513E-05
+   ==> Level=    7 igr=    3 Error= 4.513E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.513E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.074E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.479E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.513E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.061E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.710E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.884E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.079E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.036E-05
+   ==> Level=    7 igr=    4 Error= 4.036E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.717E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.828E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.768E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.910E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.733E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.082E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.288E-05
+   ==> Level=    7 igr=    5 Error= 4.288E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.717E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.828E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.768E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.910E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.733E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.082E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.288E-05
+   ==> Level=    7 igr=    6 Error= 4.288E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.484E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.886E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.429E-05
+   ==> Level=    7 igr=    7 Error= 6.429E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.572E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.408E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.128E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.833E-05
+   ==> Level=    7 igr=    8 Error= 3.833E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.342E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.761E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.285E-05
+   ==> Level=    7 igr=    9 Error= 6.285E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.153E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.374E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.917E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.432E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.347E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.000E-04
+   ==> Step=    7 GR_pot:   10 Error= 7.481E-05
+   ==> Level=    7 igr=   10 Error= 7.481E-05 Steps=    7
+   0.100000E+01  -0.124206E+00   0.947342E-02  -0.114733E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    175 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.31E-02 ekin= 4.06E-03
+ Fine step=    175 t=-1.24206E-01 dt= 9.473E-03 a= 8.924E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   25.92 s       24.72 mus/pt       29.28 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5422.20996     s
+   ==> Step=    1 GR_pot:    1 Error= 1.088E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.316E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.209E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.718E-04
+   ==> Step=    5 GR_pot:    1 Error= 6.160E-05
+   ==> Level=    7 igr=    1 Error= 6.160E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.118E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.848E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.281E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.349E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.618E-04
+   ==> Step=    6 GR_pot:    2 Error= 6.051E-05
+   ==> Level=    7 igr=    2 Error= 6.051E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.105E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.152E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.434E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.296E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.488E-05
+   ==> Level=    7 igr=    3 Error= 4.488E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.508E-01
+   ==> Step=    2 GR_pot:    4 Error= 4.050E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.469E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.477E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.048E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.659E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.865E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.072E-04
+   ==> Step=    9 GR_pot:    4 Error= 4.010E-05
+   ==> Level=    7 igr=    4 Error= 4.010E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.711E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.778E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.743E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.812E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.695E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.067E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.228E-05
+   ==> Level=    7 igr=    5 Error= 4.228E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.711E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.778E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.743E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.812E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.695E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.067E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.228E-05
+   ==> Level=    7 igr=    6 Error= 4.228E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.493E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.888E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.394E-05
+   ==> Level=    7 igr=    7 Error= 6.394E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.539E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.308E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.072E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.607E-05
+   ==> Level=    7 igr=    8 Error= 3.607E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.345E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.766E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.360E-05
+   ==> Level=    7 igr=    9 Error= 6.360E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.150E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.337E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.740E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.365E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.097E-04
+   ==> Step=    6 GR_pot:   10 Error= 1.906E-04
+   ==> Step=    7 GR_pot:   10 Error= 7.131E-05
+   ==> Level=    7 igr=   10 Error= 7.131E-05 Steps=    7
+   0.100000E+01  -0.114733E+00   0.938872E-02  -0.105344E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    176 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.34E-02 ekin= 4.14E-03
+ Fine step=    176 t=-1.14733E-01 dt= 9.389E-03 a= 8.996E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   29.15 s       27.80 mus/pt       29.27 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5451.35986     s
+   ==> Step=    1 GR_pot:    1 Error= 1.105E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.355E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.190E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.708E-04
+   ==> Step=    5 GR_pot:    1 Error= 6.122E-05
+   ==> Level=    7 igr=    1 Error= 6.122E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.777E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.249E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.224E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.571E-04
+   ==> Step=    6 GR_pot:    2 Error= 5.876E-05
+   ==> Level=    7 igr=    2 Error= 5.876E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.101E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.132E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.359E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.263E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.362E-05
+   ==> Level=    7 igr=    3 Error= 4.362E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.500E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.994E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.448E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.398E-03
+   ==> Step=    5 GR_pot:    4 Error= 2.018E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.550E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.824E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.057E-04
+   ==> Step=    9 GR_pot:    4 Error= 3.952E-05
+   ==> Level=    7 igr=    4 Error= 3.952E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.709E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.725E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.717E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.708E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.653E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.051E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.163E-05
+   ==> Level=    7 igr=    5 Error= 4.163E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.709E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.725E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.717E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.708E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.653E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.051E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.163E-05
+   ==> Level=    7 igr=    6 Error= 4.163E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.479E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.854E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.459E-05
+   ==> Level=    7 igr=    7 Error= 6.459E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.133E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.520E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.339E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.116E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.794E-05
+   ==> Level=    7 igr=    8 Error= 3.794E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.333E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.721E-04
+   ==> Step=    4 GR_pot:    9 Error= 6.114E-05
+   ==> Level=    7 igr=    9 Error= 6.114E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.156E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.383E-02
+   ==> Step=    3 GR_pot:   10 Error= 3.974E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.455E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.432E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.031E-04
+   ==> Step=    7 GR_pot:   10 Error= 7.599E-05
+   ==> Level=    7 igr=   10 Error= 7.599E-05 Steps=    7
+   0.100000E+01  -0.105344E+00   0.962553E-02  -0.957187E-01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    177 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.37E-02 ekin= 4.22E-03
+ Fine step=    177 t=-1.05344E-01 dt= 9.626E-03 a= 9.069E-01 mem=16.1% 72.7%
+ Time elapsed since last coarse step:   35.23 s       33.60 mus/pt       29.29 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5486.58984     s
+   ==> Step=    1 GR_pot:    1 Error= 1.109E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.343E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.112E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.680E-04
+   ==> Step=    5 GR_pot:    1 Error= 6.018E-05
+   ==> Level=    7 igr=    1 Error= 6.018E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.115E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.688E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.212E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.081E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.518E-04
+   ==> Step=    6 GR_pot:    2 Error= 5.675E-05
+   ==> Level=    7 igr=    2 Error= 5.675E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.095E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.138E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.312E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.234E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.249E-05
+   ==> Level=    7 igr=    3 Error= 4.249E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.491E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.932E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.425E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.311E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.986E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.428E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.779E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.039E-04
+   ==> Step=    9 GR_pot:    4 Error= 3.889E-05
+   ==> Level=    7 igr=    4 Error= 3.889E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.712E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.673E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.691E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.604E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.612E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.035E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.099E-05
+   ==> Level=    7 igr=    5 Error= 4.099E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.712E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.673E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.691E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.604E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.612E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.035E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.099E-05
+   ==> Level=    7 igr=    6 Error= 4.099E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.433E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.792E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.526E-05
+   ==> Level=    7 igr=    7 Error= 6.526E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.132E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.500E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.404E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.185E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.080E-05
+   ==> Level=    7 igr=    8 Error= 4.080E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.341E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.683E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.820E-05
+   ==> Level=    7 igr=    9 Error= 5.820E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.165E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.452E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.306E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.581E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.906E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.209E-04
+   ==> Step=    7 GR_pot:   10 Error= 8.263E-05
+   ==> Level=    7 igr=   10 Error= 8.263E-05 Steps=    7
+   0.100000E+01  -0.957187E-01   0.950996E-02  -0.862087E-01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    178 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.40E-02 ekin= 4.31E-03
+ Fine step=    178 t=-9.57187E-02 dt= 9.510E-03 a= 9.145E-01 mem=16.1% 72.7%
+ Time elapsed since last coarse step:   29.40 s       28.04 mus/pt       29.29 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5516.00000     s
+   ==> Step=    1 GR_pot:    1 Error= 1.106E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.317E-03
+   ==> Step=    3 GR_pot:    1 Error= 7.095E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.685E-04
+   ==> Step=    5 GR_pot:    1 Error= 6.041E-05
+   ==> Level=    7 igr=    1 Error= 6.041E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.113E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.636E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.202E-03
+   ==> Step=    4 GR_pot:    2 Error= 4.050E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.506E-04
+   ==> Step=    6 GR_pot:    2 Error= 5.632E-05
+   ==> Level=    7 igr=    2 Error= 5.632E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.096E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.191E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.356E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.235E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.247E-05
+   ==> Level=    7 igr=    3 Error= 4.247E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.488E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.910E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.416E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.278E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.973E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.381E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.761E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.033E-04
+   ==> Step=    9 GR_pot:    4 Error= 3.864E-05
+   ==> Level=    7 igr=    4 Error= 3.864E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.717E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.619E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.663E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.495E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.569E-04
+   ==> Step=    6 GR_pot:    5 Error= 1.018E-04
+   ==> Step=    7 GR_pot:    5 Error= 4.031E-05
+   ==> Level=    7 igr=    5 Error= 4.031E-05 Steps=    7
+   ==> Step=    1 GR_pot:    6 Error= 7.717E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.619E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.663E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.495E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.569E-04
+   ==> Step=    6 GR_pot:    6 Error= 1.018E-04
+   ==> Step=    7 GR_pot:    6 Error= 4.031E-05
+   ==> Level=    7 igr=    6 Error= 4.031E-05 Steps=    7
+   ==> Step=    1 GR_pot:    7 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.391E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.726E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.336E-05
+   ==> Level=    7 igr=    7 Error= 6.336E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.462E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.304E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.130E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.862E-05
+   ==> Level=    7 igr=    8 Error= 3.862E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.376E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.709E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.904E-05
+   ==> Level=    7 igr=    9 Error= 5.904E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.162E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.407E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.100E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.504E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.615E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.100E-04
+   ==> Step=    7 GR_pot:   10 Error= 7.856E-05
+   ==> Level=    7 igr=   10 Error= 7.856E-05 Steps=    7
+   0.100000E+01  -0.862087E-01   0.940496E-02  -0.768038E-01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    179 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.43E-02 ekin= 4.40E-03
+ Fine step=    179 t=-8.62087E-02 dt= 9.405E-03 a= 9.222E-01 mem=16.1% 72.7%
+ Time elapsed since last coarse step:   31.98 s       30.50 mus/pt       29.29 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5547.97998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.110E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.248E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.942E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.639E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.876E-05
+   ==> Level=    7 igr=    1 Error= 5.876E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.119E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.584E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.175E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.945E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.467E-04
+   ==> Step=    6 GR_pot:    2 Error= 5.485E-05
+   ==> Level=    7 igr=    2 Error= 5.485E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.106E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.212E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.327E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.218E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.185E-05
+   ==> Level=    7 igr=    3 Error= 4.185E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.481E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.864E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.398E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.212E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.949E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.289E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.727E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.020E-04
+   ==> Step=    9 GR_pot:    4 Error= 3.816E-05
+   ==> Level=    7 igr=    4 Error= 3.816E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.729E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.563E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.634E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.382E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.524E-04
+   ==> Step=    6 GR_pot:    5 Error= 9.997E-05
+   ==> Level=    7 igr=    5 Error= 9.997E-05 Steps=    6
+   ==> Step=    1 GR_pot:    6 Error= 7.729E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.563E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.634E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.382E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.524E-04
+   ==> Step=    6 GR_pot:    6 Error= 9.997E-05
+   ==> Level=    7 igr=    6 Error= 9.997E-05 Steps=    6
+   ==> Step=    1 GR_pot:    7 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.329E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.637E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.220E-05
+   ==> Level=    7 igr=    7 Error= 6.220E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.438E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.290E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.138E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.898E-05
+   ==> Level=    7 igr=    8 Error= 3.898E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.381E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.682E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.779E-05
+   ==> Level=    7 igr=    9 Error= 5.779E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.165E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.419E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.167E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.530E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.713E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.137E-04
+   ==> Step=    7 GR_pot:   10 Error= 7.992E-05
+   ==> Level=    7 igr=   10 Error= 7.992E-05 Steps=    7
+   0.100000E+01  -0.768038E-01   0.931596E-02  -0.674878E-01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    180 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.46E-02 ekin= 4.49E-03
+ Fine step=    180 t=-7.68038E-02 dt= 9.316E-03 a= 9.299E-01 mem=16.1% 72.7%
+ Time elapsed since last coarse step:   31.55 s       30.09 mus/pt       29.30 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5579.52979     s
+   ==> Step=    1 GR_pot:    1 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.239E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.837E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.601E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.734E-05
+   ==> Level=    7 igr=    1 Error= 5.734E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.122E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.527E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.150E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.849E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.431E-04
+   ==> Step=    6 GR_pot:    2 Error= 5.351E-05
+   ==> Level=    7 igr=    2 Error= 5.351E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.123E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.248E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.299E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.203E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.130E-05
+   ==> Level=    7 igr=    3 Error= 4.130E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.476E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.824E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.383E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.155E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.928E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.210E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.697E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.009E-04
+   ==> Step=    9 GR_pot:    4 Error= 3.774E-05
+   ==> Level=    7 igr=    4 Error= 3.774E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.743E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.510E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.608E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.277E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.483E-04
+   ==> Step=    6 GR_pot:    5 Error= 9.833E-05
+   ==> Level=    7 igr=    5 Error= 9.833E-05 Steps=    6
+   ==> Step=    1 GR_pot:    6 Error= 7.743E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.510E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.608E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.277E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.483E-04
+   ==> Step=    6 GR_pot:    6 Error= 9.833E-05
+   ==> Level=    7 igr=    6 Error= 9.833E-05 Steps=    6
+   ==> Step=    1 GR_pot:    7 Error= 1.136E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.310E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.586E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.145E-05
+   ==> Level=    7 igr=    7 Error= 6.145E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.415E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.286E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.150E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.948E-05
+   ==> Level=    7 igr=    8 Error= 3.948E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.396E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.660E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.656E-05
+   ==> Level=    7 igr=    9 Error= 5.656E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.168E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.436E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.247E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.560E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.827E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.179E-04
+   ==> Step=    7 GR_pot:   10 Error= 8.153E-05
+   ==> Level=    7 igr=   10 Error= 8.153E-05 Steps=    7
+   0.100000E+01  -0.674878E-01   0.912674E-02  -0.583611E-01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    181 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.49E-02 ekin= 4.59E-03
+ Fine step=    181 t=-6.74878E-02 dt= 9.127E-03 a= 9.378E-01 mem=16.1% 72.7%
+ Time elapsed since last coarse step:   29.94 s       28.56 mus/pt       29.29 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5609.46973     s
+   ==> Step=    1 GR_pot:    1 Error= 1.137E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.255E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.782E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.581E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.662E-05
+   ==> Level=    7 igr=    1 Error= 5.662E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.124E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.494E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.134E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.787E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.408E-04
+   ==> Step=    6 GR_pot:    2 Error= 5.263E-05
+   ==> Level=    7 igr=    2 Error= 5.263E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.142E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.302E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.300E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.196E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.103E-05
+   ==> Level=    7 igr=    3 Error= 4.103E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.473E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.794E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.372E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.113E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.912E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.151E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.675E-04
+   ==> Step=    8 GR_pot:    4 Error= 1.001E-04
+   ==> Step=    9 GR_pot:    4 Error= 3.743E-05
+   ==> Level=    7 igr=    4 Error= 3.743E-05 Steps=    9
+   ==> Step=    1 GR_pot:    5 Error= 7.753E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.453E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.579E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.163E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.438E-04
+   ==> Step=    6 GR_pot:    5 Error= 9.655E-05
+   ==> Level=    7 igr=    5 Error= 9.655E-05 Steps=    6
+   ==> Step=    1 GR_pot:    6 Error= 7.753E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.453E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.579E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.163E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.438E-04
+   ==> Step=    6 GR_pot:    6 Error= 9.655E-05
+   ==> Level=    7 igr=    6 Error= 9.655E-05 Steps=    6
+   ==> Step=    1 GR_pot:    7 Error= 1.141E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.293E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.539E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.040E-05
+   ==> Level=    7 igr=    7 Error= 6.040E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.398E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.262E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.140E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.909E-05
+   ==> Level=    7 igr=    8 Error= 3.909E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.145E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.411E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.648E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.602E-05
+   ==> Level=    7 igr=    9 Error= 5.602E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.169E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.432E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.234E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.555E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.809E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.173E-04
+   ==> Step=    7 GR_pot:   10 Error= 8.128E-05
+   ==> Level=    7 igr=   10 Error= 8.128E-05 Steps=    7
+   0.100000E+01  -0.583611E-01   0.899286E-02  -0.493682E-01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    182 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.52E-02 ekin= 4.69E-03
+ Fine step=    182 t=-5.83611E-02 dt= 8.993E-03 a= 9.456E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   30.47 s       29.05 mus/pt       29.29 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5639.95996     s
+   ==> Step=    1 GR_pot:    1 Error= 1.148E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.232E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.685E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.550E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.550E-05
+   ==> Level=    7 igr=    1 Error= 5.550E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.458E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.112E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.695E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.373E-04
+   ==> Step=    6 GR_pot:    2 Error= 5.135E-05
+   ==> Level=    7 igr=    2 Error= 5.135E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.155E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.312E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.249E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.175E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.022E-05
+   ==> Level=    7 igr=    3 Error= 4.022E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.466E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.747E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.354E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.047E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.887E-03
+   ==> Step=    6 GR_pot:    4 Error= 7.058E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.640E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.877E-05
+   ==> Level=    7 igr=    4 Error= 9.877E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.759E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.391E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.549E-03
+   ==> Step=    4 GR_pot:    5 Error= 6.042E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.390E-04
+   ==> Step=    6 GR_pot:    5 Error= 9.466E-05
+   ==> Level=    7 igr=    5 Error= 9.466E-05 Steps=    6
+   ==> Step=    1 GR_pot:    6 Error= 7.759E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.391E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.549E-03
+   ==> Step=    4 GR_pot:    6 Error= 6.043E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.390E-04
+   ==> Step=    6 GR_pot:    6 Error= 9.466E-05
+   ==> Level=    7 igr=    6 Error= 9.466E-05 Steps=    6
+   ==> Step=    1 GR_pot:    7 Error= 1.146E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.255E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.477E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.968E-05
+   ==> Level=    7 igr=    7 Error= 5.968E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.397E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.283E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.155E-04
+   ==> Step=    5 GR_pot:    8 Error= 3.970E-05
+   ==> Level=    7 igr=    8 Error= 3.970E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.150E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.392E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.599E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.445E-05
+   ==> Level=    7 igr=    9 Error= 5.445E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.172E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.451E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.327E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.591E-03
+   ==> Step=    5 GR_pot:   10 Error= 5.942E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.222E-04
+   ==> Step=    7 GR_pot:   10 Error= 8.314E-05
+   ==> Level=    7 igr=   10 Error= 8.314E-05 Steps=    7
+   0.100000E+01  -0.493682E-01   0.886408E-02  -0.405041E-01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    183 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.56E-02 ekin= 4.80E-03
+ Fine step=    183 t=-4.93682E-02 dt= 8.864E-03 a= 9.535E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   26.37 s       25.15 mus/pt       29.27 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5666.33008     s
+   ==> Step=    1 GR_pot:    1 Error= 1.150E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.199E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.619E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.532E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.489E-05
+   ==> Level=    7 igr=    1 Error= 5.489E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.456E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.099E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.640E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.352E-04
+   ==> Step=    6 GR_pot:    2 Error= 5.057E-05
+   ==> Level=    7 igr=    2 Error= 5.057E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.162E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.308E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.200E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.157E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.959E-05
+   ==> Level=    7 igr=    3 Error= 3.959E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.462E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.715E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.342E-02
+   ==> Step=    4 GR_pot:    4 Error= 5.001E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.870E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.994E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.616E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.787E-05
+   ==> Level=    7 igr=    4 Error= 9.787E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.764E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.330E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.519E-03
+   ==> Step=    4 GR_pot:    5 Error= 5.927E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.344E-04
+   ==> Step=    6 GR_pot:    5 Error= 9.286E-05
+   ==> Level=    7 igr=    5 Error= 9.286E-05 Steps=    6
+   ==> Step=    1 GR_pot:    6 Error= 7.764E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.330E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.519E-03
+   ==> Step=    4 GR_pot:    6 Error= 5.927E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.344E-04
+   ==> Step=    6 GR_pot:    6 Error= 9.286E-05
+   ==> Level=    7 igr=    6 Error= 9.286E-05 Steps=    6
+   ==> Step=    1 GR_pot:    7 Error= 1.147E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.226E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.437E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.917E-05
+   ==> Level=    7 igr=    7 Error= 5.917E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.424E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.326E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.168E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.018E-05
+   ==> Level=    7 igr=    8 Error= 4.018E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.153E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.360E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.543E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.315E-05
+   ==> Level=    7 igr=    9 Error= 5.315E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.174E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.465E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.395E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.617E-03
+   ==> Step=    5 GR_pot:   10 Error= 6.039E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.259E-04
+   ==> Step=    7 GR_pot:   10 Error= 8.449E-05
+   ==> Level=    7 igr=   10 Error= 8.449E-05 Steps=    7
+   0.100000E+01  -0.405041E-01   0.877273E-02  -0.317314E-01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    184 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.59E-02 ekin= 4.91E-03
+ Fine step=    184 t=-4.05041E-02 dt= 8.773E-03 a= 9.615E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   28.43 s       27.12 mus/pt       29.26 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5694.77002     s
+   ==> Step=    1 GR_pot:    1 Error= 1.145E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.149E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.573E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.528E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.478E-05
+   ==> Level=    7 igr=    1 Error= 5.478E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.461E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.089E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.593E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.335E-04
+   ==> Step=    6 GR_pot:    2 Error= 4.991E-05
+   ==> Level=    7 igr=    2 Error= 4.991E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.163E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.286E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.151E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.145E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.917E-05
+   ==> Level=    7 igr=    3 Error= 3.917E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.459E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.692E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.333E-02
+   ==> Step=    4 GR_pot:    4 Error= 4.970E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.858E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.950E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.600E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.726E-05
+   ==> Level=    7 igr=    4 Error= 9.726E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.768E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.274E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.493E-03
+   ==> Step=    4 GR_pot:    5 Error= 5.824E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.304E-04
+   ==> Step=    6 GR_pot:    5 Error= 9.124E-05
+   ==> Level=    7 igr=    5 Error= 9.124E-05 Steps=    6
+   ==> Step=    1 GR_pot:    6 Error= 7.768E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.274E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.493E-03
+   ==> Step=    4 GR_pot:    6 Error= 5.824E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.304E-04
+   ==> Step=    6 GR_pot:    6 Error= 9.124E-05
+   ==> Level=    7 igr=    6 Error= 9.124E-05 Steps=    6
+   ==> Step=    1 GR_pot:    7 Error= 1.145E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.195E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.405E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.903E-05
+   ==> Level=    7 igr=    7 Error= 5.903E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.475E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.402E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.190E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.100E-05
+   ==> Level=    7 igr=    8 Error= 4.100E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.152E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.323E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.485E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.188E-05
+   ==> Level=    7 igr=    9 Error= 5.188E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.175E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.488E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.502E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.657E-03
+   ==> Step=    5 GR_pot:   10 Error= 6.190E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.315E-04
+   ==> Step=    7 GR_pot:   10 Error= 8.661E-05
+   ==> Level=    7 igr=   10 Error= 8.661E-05 Steps=    7
+   0.100000E+01  -0.317314E-01   0.868509E-02  -0.230463E-01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    185 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.63E-02 ekin= 5.02E-03
+ Fine step=    185 t=-3.17314E-02 dt= 8.685E-03 a= 9.695E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   30.22 s       28.82 mus/pt       29.26 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5724.98975     s
+   ==> Step=    1 GR_pot:    1 Error= 1.134E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.064E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.521E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.529E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.488E-05
+   ==> Level=    7 igr=    1 Error= 5.488E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.455E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.074E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.530E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.311E-04
+   ==> Step=    6 GR_pot:    2 Error= 4.902E-05
+   ==> Level=    7 igr=    2 Error= 4.902E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.156E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.231E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.081E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.130E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.870E-05
+   ==> Level=    7 igr=    3 Error= 3.870E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.456E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.673E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.326E-02
+   ==> Step=    4 GR_pot:    4 Error= 4.943E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.848E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.912E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.586E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.673E-05
+   ==> Level=    7 igr=    4 Error= 9.673E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.767E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.218E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.468E-03
+   ==> Step=    4 GR_pot:    5 Error= 5.726E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.265E-04
+   ==> Step=    6 GR_pot:    5 Error= 8.970E-05
+   ==> Level=    7 igr=    5 Error= 8.970E-05 Steps=    6
+   ==> Step=    1 GR_pot:    6 Error= 7.767E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.218E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.468E-03
+   ==> Step=    4 GR_pot:    6 Error= 5.726E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.265E-04
+   ==> Step=    6 GR_pot:    6 Error= 8.970E-05
+   ==> Level=    7 igr=    6 Error= 8.970E-05 Steps=    6
+   ==> Step=    1 GR_pot:    7 Error= 1.140E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.138E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.354E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.862E-05
+   ==> Level=    7 igr=    7 Error= 5.862E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.511E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.447E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.198E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.126E-05
+   ==> Level=    7 igr=    8 Error= 4.126E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.149E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.278E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.424E-04
+   ==> Step=    4 GR_pot:    9 Error= 5.081E-05
+   ==> Level=    7 igr=    9 Error= 5.081E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.174E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.502E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.571E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.684E-03
+   ==> Step=    5 GR_pot:   10 Error= 6.289E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.352E-04
+   ==> Step=    7 GR_pot:   10 Error= 8.799E-05
+   ==> Level=    7 igr=   10 Error= 8.799E-05 Steps=    7
+   0.100000E+01  -0.230463E-01   0.869997E-02  -0.143464E-01   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    186 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.67E-02 ekin= 5.14E-03
+ Fine step=    186 t=-2.30463E-02 dt= 8.700E-03 a= 9.776E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   29.65 s       28.28 mus/pt       29.25 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5754.72998     s
+   ==> Step=    1 GR_pot:    1 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.971E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.424E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.510E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.424E-05
+   ==> Level=    7 igr=    1 Error= 5.424E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.126E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.456E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.049E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.418E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.269E-04
+   ==> Step=    6 GR_pot:    2 Error= 4.744E-05
+   ==> Level=    7 igr=    2 Error= 4.744E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.110E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.940E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.105E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.790E-05
+   ==> Level=    7 igr=    3 Error= 3.790E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.449E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.635E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.312E-02
+   ==> Step=    4 GR_pot:    4 Error= 4.891E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.829E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.840E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.559E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.572E-05
+   ==> Level=    7 igr=    4 Error= 9.572E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.766E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.157E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.442E-03
+   ==> Step=    4 GR_pot:    5 Error= 5.620E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.223E-04
+   ==> Step=    6 GR_pot:    5 Error= 8.804E-05
+   ==> Level=    7 igr=    5 Error= 8.804E-05 Steps=    6
+   ==> Step=    1 GR_pot:    6 Error= 7.766E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.157E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.442E-03
+   ==> Step=    4 GR_pot:    6 Error= 5.620E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.223E-04
+   ==> Step=    6 GR_pot:    6 Error= 8.805E-05
+   ==> Level=    7 igr=    6 Error= 8.805E-05 Steps=    6
+   ==> Step=    1 GR_pot:    7 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.082E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.306E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.834E-05
+   ==> Level=    7 igr=    7 Error= 5.834E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.129E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.559E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.509E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.214E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.183E-05
+   ==> Level=    7 igr=    8 Error= 4.183E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.144E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.203E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.329E-04
+   ==> Step=    4 GR_pot:    9 Error= 4.925E-05
+   ==> Level=    7 igr=    9 Error= 4.925E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.173E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.525E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.685E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.726E-03
+   ==> Step=    5 GR_pot:   10 Error= 6.450E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.412E-04
+   ==> Step=    7 GR_pot:   10 Error= 9.024E-05
+   ==> Level=    7 igr=   10 Error= 9.024E-05 Steps=    7
+   0.100000E+01  -0.143464E-01   0.856262E-02  -0.578373E-02   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    187 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.71E-02 ekin= 5.26E-03
+ Fine step=    187 t=-1.43464E-02 dt= 8.563E-03 a= 9.859E-01 mem=16.1% 72.6%
+ Time elapsed since last coarse step:   62.86 s       59.95 mus/pt       29.41 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5817.58984     s
+   ==> Step=    1 GR_pot:    1 Error= 1.117E-01
+   ==> Step=    2 GR_pot:    1 Error= 6.891E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.366E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.508E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.421E-05
+   ==> Level=    7 igr=    1 Error= 5.421E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.465E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.034E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.346E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.241E-04
+   ==> Step=    6 GR_pot:    2 Error= 4.641E-05
+   ==> Level=    7 igr=    2 Error= 4.641E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.131E-01
+   ==> Step=    2 GR_pot:    3 Error= 6.963E-03
+   ==> Step=    3 GR_pot:    3 Error= 5.785E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.082E-04
+   ==> Step=    5 GR_pot:    3 Error= 3.719E-05
+   ==> Level=    7 igr=    3 Error= 3.719E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.444E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.619E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.307E-02
+   ==> Step=    4 GR_pot:    4 Error= 4.870E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.821E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.810E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.547E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.530E-05
+   ==> Level=    7 igr=    4 Error= 9.530E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.763E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.093E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.414E-03
+   ==> Step=    4 GR_pot:    5 Error= 5.513E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.180E-04
+   ==> Step=    6 GR_pot:    5 Error= 8.635E-05
+   ==> Level=    7 igr=    5 Error= 8.635E-05 Steps=    6
+   ==> Step=    1 GR_pot:    6 Error= 7.763E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.093E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.414E-03
+   ==> Step=    4 GR_pot:    6 Error= 5.513E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.180E-04
+   ==> Step=    6 GR_pot:    6 Error= 8.636E-05
+   ==> Level=    7 igr=    6 Error= 8.636E-05 Steps=    6
+   ==> Step=    1 GR_pot:    7 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.037E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.267E-04
+   ==> Step=    4 GR_pot:    7 Error= 5.738E-05
+   ==> Level=    7 igr=    7 Error= 5.738E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.130E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.591E-03
+   ==> Step=    3 GR_pot:    8 Error= 6.495E-04
+   ==> Step=    4 GR_pot:    8 Error= 1.183E-04
+   ==> Step=    5 GR_pot:    8 Error= 4.052E-05
+   ==> Level=    7 igr=    8 Error= 4.052E-05 Steps=    5
+   ==> Step=    1 GR_pot:    9 Error= 1.138E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.109E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.225E-04
+   ==> Step=    4 GR_pot:    9 Error= 4.860E-05
+   ==> Level=    7 igr=    9 Error= 4.860E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.167E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.504E-02
+   ==> Step=    3 GR_pot:   10 Error= 4.600E-03
+   ==> Step=    4 GR_pot:   10 Error= 1.694E-03
+   ==> Step=    5 GR_pot:   10 Error= 6.330E-04
+   ==> Step=    6 GR_pot:   10 Error= 2.368E-04
+   ==> Step=    7 GR_pot:   10 Error= 8.857E-05
+   ==> Level=    7 igr=   10 Error= 8.857E-05 Steps=    7
+   0.100000E+01  -0.578373E-02   0.578373E-02   0.000000E+00   0.000000E+00   0.100000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    188 mcons= 0.00E+00 econs=-3.36E-01 epot=-1.75E-02 ekin= 5.39E-03
+ Fine step=    188 t=-5.78373E-03 dt= 5.784E-03 a= 9.943E-01 mem=16.1% 72.5%
+ Time elapsed since last coarse step:   40.37 s       38.50 mus/pt       29.46 mus/pt (av)
+ Used memory:    1.797 GB
+ Total running time:   5858.25977     s
+   ==> Step=    1 GR_pot:    1 Error= 1.120E-01
+   ==> Step=    2 GR_pot:    1 Error= 7.152E-03
+   ==> Step=    3 GR_pot:    1 Error= 6.761E-04
+   ==> Step=    4 GR_pot:    1 Error= 1.590E-04
+   ==> Step=    5 GR_pot:    1 Error= 5.698E-05
+   ==> Level=    7 igr=    1 Error= 5.698E-05 Steps=    5
+   ==> Step=    1 GR_pot:    2 Error= 1.116E-01
+   ==> Step=    2 GR_pot:    2 Error= 7.578E-03
+   ==> Step=    3 GR_pot:    2 Error= 1.165E-03
+   ==> Step=    4 GR_pot:    2 Error= 3.900E-04
+   ==> Step=    5 GR_pot:    2 Error= 1.450E-04
+   ==> Step=    6 GR_pot:    2 Error= 5.421E-05
+   ==> Level=    7 igr=    2 Error= 5.421E-05 Steps=    6
+   ==> Step=    1 GR_pot:    3 Error= 1.128E-01
+   ==> Step=    2 GR_pot:    3 Error= 7.391E-03
+   ==> Step=    3 GR_pot:    3 Error= 6.420E-04
+   ==> Step=    4 GR_pot:    3 Error= 1.190E-04
+   ==> Step=    5 GR_pot:    3 Error= 4.054E-05
+   ==> Level=    7 igr=    3 Error= 4.054E-05 Steps=    5
+   ==> Step=    1 GR_pot:    4 Error= 1.415E-01
+   ==> Step=    2 GR_pot:    4 Error= 3.503E-02
+   ==> Step=    3 GR_pot:    4 Error= 1.258E-02
+   ==> Step=    4 GR_pot:    4 Error= 4.684E-03
+   ==> Step=    5 GR_pot:    4 Error= 1.751E-03
+   ==> Step=    6 GR_pot:    4 Error= 6.549E-04
+   ==> Step=    7 GR_pot:    4 Error= 2.450E-04
+   ==> Step=    8 GR_pot:    4 Error= 9.165E-05
+   ==> Level=    7 igr=    4 Error= 9.165E-05 Steps=    8
+   ==> Step=    1 GR_pot:    5 Error= 7.762E-02
+   ==> Step=    2 GR_pot:    5 Error= 5.044E-03
+   ==> Step=    3 GR_pot:    5 Error= 1.394E-03
+   ==> Step=    4 GR_pot:    5 Error= 5.432E-04
+   ==> Step=    5 GR_pot:    5 Error= 2.148E-04
+   ==> Step=    6 GR_pot:    5 Error= 8.509E-05
+   ==> Level=    7 igr=    5 Error= 8.509E-05 Steps=    6
+   ==> Step=    1 GR_pot:    6 Error= 7.762E-02
+   ==> Step=    2 GR_pot:    6 Error= 5.044E-03
+   ==> Step=    3 GR_pot:    6 Error= 1.394E-03
+   ==> Step=    4 GR_pot:    6 Error= 5.432E-04
+   ==> Step=    5 GR_pot:    6 Error= 2.148E-04
+   ==> Step=    6 GR_pot:    6 Error= 8.509E-05
+   ==> Level=    7 igr=    6 Error= 8.509E-05 Steps=    6
+   ==> Step=    1 GR_pot:    7 Error= 1.127E-01
+   ==> Step=    2 GR_pot:    7 Error= 7.277E-03
+   ==> Step=    3 GR_pot:    7 Error= 5.624E-04
+   ==> Step=    4 GR_pot:    7 Error= 6.207E-05
+   ==> Level=    7 igr=    7 Error= 6.207E-05 Steps=    4
+   ==> Step=    1 GR_pot:    8 Error= 1.125E-01
+   ==> Step=    2 GR_pot:    8 Error= 7.466E-03
+   ==> Step=    3 GR_pot:    8 Error= 5.807E-04
+   ==> Step=    4 GR_pot:    8 Error= 6.256E-05
+   ==> Level=    7 igr=    8 Error= 6.256E-05 Steps=    4
+   ==> Step=    1 GR_pot:    9 Error= 1.135E-01
+   ==> Step=    2 GR_pot:    9 Error= 7.530E-03
+   ==> Step=    3 GR_pot:    9 Error= 5.930E-04
+   ==> Step=    4 GR_pot:    9 Error= 7.030E-05
+   ==> Level=    7 igr=    9 Error= 7.030E-05 Steps=    4
+   ==> Step=    1 GR_pot:   10 Error= 1.124E-01
+   ==> Step=    2 GR_pot:   10 Error= 1.034E-02
+   ==> Step=    3 GR_pot:   10 Error= 2.023E-03
+   ==> Step=    4 GR_pot:   10 Error= 6.952E-04
+   ==> Step=    5 GR_pot:   10 Error= 2.583E-04
+   ==> Step=    6 GR_pot:   10 Error= 9.654E-05
+   ==> Level=    7 igr=   10 Error= 9.654E-05 Steps=    6
+   0.100000E+01   0.000000E+00   0.830914E-02   0.830914E-02   0.100498E+00   0.110000E+01
+ Mesh structure
+ Level  1 has          1 grids (       0,       1,       0,)
+ Level  2 has          8 grids (       4,       4,       4,)
+ Level  3 has         64 grids (      32,      32,      32,)
+ Level  4 has        512 grids (     256,     256,     256,)
+ Level  5 has       4096 grids (    2047,    2049,    2048,)
+ Level  6 has      32768 grids (   16379,   16389,   16384,)
+ Level  7 has     262144 grids (  131035,  131109,  131072,)
+ Main step=    189 mcons= 0.00E+00 econs=-3.37E-01 epot=-1.78E-02 ekin= 5.48E-03
+ Fine step=    189 t= 0.00000E+00 dt= 8.309E-03 a= 1.000E+00 mem=16.1% 72.6%
+ Run completed
+ Total elapsed time:   5825.9168257409992     
+ --------------------------------------------------------------------
+
+     minimum       average       maximum  standard dev        std/av       %   rmn   rmx  TIMER
+     740.583       745.855       751.128         5.273         0.007    12.7     2   1    particles               
+    4994.789      4994.846      4994.903         0.057         0.000    84.9     2   1    poisson                 
+     110.954       112.654       114.354         1.700         0.015     1.9     1   2    rho                     
+       7.670         7.685         7.701         0.015         0.002     0.1     1   2    io                      
+      11.025        13.033        15.040         2.008         0.154     0.2     1   2    courant                 
+       6.286         6.298         6.311         0.012         0.002     0.1     1   2    cooling                 
+    5882.651     100.0    TOTAL
diff --git a/namelist/advect1d.nml b/namelist/advect1d.nml
deleted file mode 100644
index 35d42c886b3589f9657cee9dbfe6ec60dbcdeefa..0000000000000000000000000000000000000000
--- a/namelist/advect1d.nml
+++ /dev/null
@@ -1,47 +0,0 @@
-This namelist contains various input parameters for RAMSES runs
-
-&RUN_PARAMS
-hydro=.true.
-ncontrol=10000
-nremap=20
-/
-
-&AMR_PARAMS 
-levelmin=4
-levelmax=10
-ngridmax=1000
-nexpand=1
-boxlen=1.0
-/
-
-&INIT_PARAMS
-nregion=2
-region_type(1)='square'
-region_type(2)='square'
-x_center=0.5,0.5
-length_x=1.0,0.1
-d_region=1.0,2.0
-u_region=1.0,1.0
-p_region=1.0,1.0
-/
-
-&OUTPUT_PARAMS
-noutput=1
-tout=10.0
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-scheme='muscl'
-slope_type=2
-riemann='hllc'
-/
-
-&REFINE_PARAMS 
-err_grad_d=0.05
-interpol_type=1
-/
-
-
-
diff --git a/namelist/blast1d.nml b/namelist/blast1d.nml
deleted file mode 100644
index 7fc023111d2dad17e063c29d29d50dd8707867b4..0000000000000000000000000000000000000000
--- a/namelist/blast1d.nml
+++ /dev/null
@@ -1,58 +0,0 @@
-This namelist contains various input parameters for RAMSES runs
-
-&RUN_PARAMS
-hydro=.true.
-nremap=1
-ncontrol=10
-nsubcycle=3*1,2
-/
-
-&AMR_PARAMS
-levelmin=4
-levelmax=10
-ngridmax=10000
-nexpand=1
-boxlen=1.0
-/
-
-&BOUNDARY_PARAMS
-nboundary=2
-bound_type= 1, 1
-ibound_min=-1,+1
-ibound_max=-1,+1
-/
-
-&INIT_PARAMS
-nregion=3
-region_type(1)='square'
-region_type(2)='square'
-region_type(3)='square'
-x_center=0.05,0.5,0.95
-length_x= 0.1,0.8,0.1
-d_region= 1.0,1.0,1.0
-u_region= 0.0,0.0,0.0
-p_region=1.e3,0.01,1.e2
-/
-
-&OUTPUT_PARAMS
-noutput=8
-tout=0.006,0.016,0.026,0.028,0.030,0.032,0.034,0.038
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-slope_type=2
-scheme='plmde'
-/
-
-&REFINE_PARAMS
-err_grad_d=0.01
-err_grad_u=0.01
-err_grad_p=0.01
-interpol_var=0
-interpol_type=2
-/
-
-
-
diff --git a/namelist/cosmo.nml b/namelist/cosmo.nml
deleted file mode 100644
index 2be5e03538aa942cbed54005df16c39ca95e7f6b..0000000000000000000000000000000000000000
--- a/namelist/cosmo.nml
+++ /dev/null
@@ -1,34 +0,0 @@
-
-&RUN_PARAMS 
-cosmo=.true.
-pic=.true.
-poisson=.true.
-nrestart=0
-nremap=10
-nsubcycle=1,2
-ncontrol=1
-/
-
-&OUTPUT_PARAMS
-noutput=10
-aout=0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0
-/
-
-&INIT_PARAMS
-filetype='grafic'
-initfile(1)='/scratchdir/grafic_files'
-/
-
-&AMR_PARAMS
-levelmin=7
-levelmax=14
-ngridtot=2000000
-nparttot=3000000
-nexpand=1
-/
-
-&REFINE_PARAMS 
-m_refine=7*8.
-/
-
-
diff --git a/namelist/cosmo_gal.nml b/namelist/cosmo_gal.nml
deleted file mode 100644
index e4bd7aabcbd77f821d03d6fd5dc277c2b983b1d5..0000000000000000000000000000000000000000
--- a/namelist/cosmo_gal.nml
+++ /dev/null
@@ -1,60 +0,0 @@
-
-&RUN_PARAMS 
-cosmo=.true.
-pic=.true.
-poisson=.true.
-hydro=.true.
-nrestart=0
-nremap=10
-nsubcycle=1,2
-ncontrol=1
-/
-
-&OUTPUT_PARAMS
-foutput=10
-noutput=1
-aout=1.
-/
-
-&INIT_PARAMS
-filetype='grafic'
-initfile(1)='/scratchdir/teyssier/boxlen6p25_n128/ic_files'
-/
-
-&AMR_PARAMS
-levelmin=7
-levelmax=14
-ngridmax=400000
-npartmax=300000
-nexpand=1
-/
-
-&POISSON_PARAMS 
-epsilon=1.d-3
-/
-
-&HYDRO_PARAMS
-gamma=1.6666667
-courant_factor=0.8
-slope_type=1
-pressure_fix=.true.
-scheme='muscl'
-/
-
-&PHYSICS_PARAMS
-cooling=.true.
-metal=.true.
-t_star=8.0
-n_star=0.1
-T2_star=1d4
-eta_sn=0.1
-yield=0.1
-/
-
-&REFINE_PARAMS 
-m_refine=7*8.
-interpol_var=1
-interpol_type=0
-/
-
-
diff --git a/namelist/d-pointmass.nml b/namelist/d-pointmass.nml
deleted file mode 100644
index 1e4478ef029467fda8493041fa877e89eefb3793..0000000000000000000000000000000000000000
--- a/namelist/d-pointmass.nml
+++ /dev/null
@@ -1,70 +0,0 @@
-
-&RUN_PARAMS 
-poisson=.true.
-hydro=.true.
-nrestart=0
-nremap=0
-ncontrol=1
-nstepmax=1
-nsubcycle=10*1
-verbose=.false.
-/
-
-&AMR_PARAMS
-levelmin=4
-levelmax=12
-ngridmax=1000000
-nexpand=4
-/
-
-&OUTPUT_PARAMS
-foutput=1
-noutput=1
-tout=10.0,
-/
-
-&INIT_PARAMS
-nregion=2
-region_type='square','point'
-x_center=0.5,0.5
-y_center=0.5,0.5
-z_center=0.5,0.5
-length_x=10.0,0.0
-length_y=10.0,0.0
-length_z=10.0,0.0
-exp_region=10.0,10.0
-d_region=1d-10,1.0
-u_region=0.0,0.0
-v_region=0.0,0.0
-p_region=1.0,0.0
-/
-
-&HYDRO_PARAMS
-courant_factor=0d0
-/
-
-&BOUNDARY_PARAMS
-nboundary=4
-ibound_min=-1,+1,-1,-1
-ibound_max=-1,+1,+1,+1
-jbound_min= 0, 0,+1,-1
-jbound_max= 0, 0,+1,-1
-bound_type= 2, 2, 2, 2
-/
-
-
-&POISSON_PARAMS
-gravity_type=0
-epsilon=1d-4
-cg_levelmin=100
-/
-
-&REFINE_PARAMS 
-m_refine=7*1.
-mass_sph=0.1
-!x_refine=7*0.5
-!y_refine=7*0.5
-!z_refine=7*0.5
-!r_refine=7*0.5
-/
-
diff --git a/namelist/detente.nml b/namelist/detente.nml
deleted file mode 100644
index 77718e4d3c1e341fe22688011299351881d21201..0000000000000000000000000000000000000000
--- a/namelist/detente.nml
+++ /dev/null
@@ -1,62 +0,0 @@
-This namelist contains various input parameters for RAMSES runs
-
-&RUN_PARAMS
-hydro=.true.
-simple_boundary=.true.
-nremap=100000
-ncontrol=10
-nbackup=1000
-nsubcycle=3*1,2
-verbose=.false.
-/
-
-&AMR_PARAMS 
-levelmin=8
-levelmax=8
-ngridmax=10000
-nexpand=1
-boxlen=1.0
-/
-
-&BOUNDARY_PARAMS
-nboundary=2
-ibound_min=-1,+1
-ibound_max=-1,+1
-bound_type= 2, 2
-d_bound=1.0,1.0
-u_bound =-0.5,0.5
-p_bound =1e-4,1e-4
-/
-
-&INIT_PARAMS
-nregion=2
-region_type(1)='square'
-region_type(2)='square'
-x_center=0.25,0.75
-length_x=0.5,0.5
-d_region=1.0,1.0
-u_region =-0.5,0.5
-p_region =1d-4,1d-4
-/
-
-&OUTPUT_PARAMS
-noutput=1
-tout=0.25,
-/
-
-&HYDRO_PARAMS
-courant_factor=0.1
-riemann='exact'
-slope_type=2
-scheme='plmde'
-/
-
-&REFINE_PARAMS 
-floor_u=1d-3
-err_grad_u=0.2
-interpol_var=0
-interpol_type=0
-/
-
-
-
diff --git a/namelist/gr_sim.nml b/namelist/gr_sim.nml
deleted file mode 100644
index ea39f246af9b29a66edf7fe75b97b5d7a8c880f6..0000000000000000000000000000000000000000
--- a/namelist/gr_sim.nml
+++ /dev/null
@@ -1,37 +0,0 @@
-
-&RUN_PARAMS 
-verbose=.true. 
-cosmo=.true.
-pic=.true.
-poisson=.true.
-gr=.true.
-gr_newtonian=.false.
-nrestart=0
-nremap=10
-nsubcycle=1,2,2,2,2,2,2,2,2,2
-ncontrol=1
-/
-
-&OUTPUT_PARAMS
-noutput=8
-aout=0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0
-/
-
-&INIT_PARAMS
-filetype='gadget'
-initfile(1)='/cosma/home/dp004/dc-barr3/IC_2LPTtic/ics'
-/
-
-&AMR_PARAMS
-levelmin=9
-levelmax=20
-ngridtot=300000000
-nparttot=200000000
-nexpand=1
-/
-
-&REFINE_PARAMS 
-m_refine=8,8,8,8,8,8,8,8,8,8
-/
-
-
diff --git a/namelist/iliev1.nml b/namelist/iliev1.nml
deleted file mode 100644
index 150cc45462be1b3a25e55f0c6602129a355d6227..0000000000000000000000000000000000000000
--- a/namelist/iliev1.nml
+++ /dev/null
@@ -1,88 +0,0 @@
-&RUN_PARAMS 
-hydro=.true.
-static=.true.
-nrestart=0
-rt=.true.
-/
-
-&INIT_PARAMS
-nregion=1
-region_type(1)='square'
-x_center=0.5
-y_center=0.5
-z_center=0.5
-length_x=100.0
-length_y=100.0
-exp_region=10.0
-d_region=1.d-3	  		! cm-3
-p_region= 8.69869d-8		! =10^4 K
-var_region(1,1)=1.2d-3          ! HII fraction
-/
-
-&AMR_PARAMS 
-levelmin=6
-levelmax=6 ! Currently it is impossible to refine with static=.true.
-ngridmax=50000
-boxlen=6.6			!  6.6 kpc
-/
-
-&OUTPUT_PARAMS
-noutput=5
-tout=10,30,100,200,500
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-scheme='muscl'
-slope_type=1
-/
-
-&PHYSICS_PARAMS
-cooling=.false.
-units_density=1.66d-24		! gram per proton
-units_time=3.1557d13		! 1 Myr in seconds
-units_length=3.0857d21 		! 1 kpc in cm
-/
-
-&REFINE_PARAMS
-err_grad_d=0.1
-/
-
-&RT_PARAMS
-X=1d0
-Y=0d0
-rt_TConst=1d4			! Kelvin
-rt_flux_scheme='glf'
-rt_c_fraction=0.01
-rt_otsa=.false.			! no OTSA
-rt_is_init_xion=.false.
-rt_nsource=1   			!-----------------------------------------
-rt_source_type(1)='point'
-rt_src_x_center=0.0
-rt_src_y_center=0.0
-rt_src_z_center=0.0
-rt_src_length_x=1.0
-rt_src_length_y=1.0
-rt_src_length_z=1.0
-rt_n_source=5.d48	        ! 5E48 photons per sec emitted from source
-rt_err_grad_xHII=0.8 
-rt_err_grad_xHI=0.8 
-/
-
-&RT_GROUPS
-group_csn=6.3d-18, 0., 0.         ! monochromatic source at 13.6 eV
-group_cse=6.3d-18, 0., 0.         ! monochromatic source at 13.6 eV
-group_egy=13.6d0
-/
-
-&BOUNDARY_PARAMS
-nboundary=6
-ibound_min=-1,+1,-1,-1,-1,-1
-ibound_max=-1,+1,+1,+1,+1,+1
-jbound_min= 0, 0,-1,+1,-1,-1
-jbound_max= 0, 0,-1,+1,+1,+1
-kbound_min= 0, 0, 0, 0,-1,+1
-kbound_max= 0, 0, 0, 0,-1,+1
-bound_type= 1, 2, 1, 2, 1, 2	! Reflective+outflow boundaries
-/
diff --git a/namelist/iliev2.nml b/namelist/iliev2.nml
deleted file mode 100644
index da1a4c4621ddd73c79ed76bc37fccb5ed3d0803b..0000000000000000000000000000000000000000
--- a/namelist/iliev2.nml
+++ /dev/null
@@ -1,86 +0,0 @@
-&RUN_PARAMS 
-hydro=.true.
-static=.true.
-nrestart=0
-rt=.true.
-/
-
-&INIT_PARAMS
-nregion=1
-region_type(1)='square'
-x_center=0.5
-y_center=0.5
-z_center=0.5
-length_x=100.0
-length_y=100.0
-length_z=100.0
-exp_region=10.0
-d_region=1.d-3			! cm-3
-p_region= 8.69869d-10		! =10^2 K
-var_region(1,1)=1d-6            ! HII fraction
-/
-
-&AMR_PARAMS 
-levelmin=7
-levelmax=7
-ngridmax=50000
-boxlen=6.6			!  6.6 kpc
-/
-
-&OUTPUT_PARAMS
-noutput=5
-tout=10,30,10,200,500
-/
-
-&HYDRO_PARAMS
-courant_factor=0.8
-slope_type=1
-/
-
-&PHYSICS_PARAMS
-cooling=.true.
-units_density=1.66d-24		! gram per proton
-units_time=3.1557d13		! 1 Myr in seconds
-units_length=3.0857d21 		! 1 kpc in cm
-/
-
-&RT_PARAMS
-X=1d0
-Y=0d0
-rt_flux_scheme='glf'
-rt_c_fraction=0.01
-rt_otsa=.false.			! no OTSA
-rt_is_init_xion=.false.
-rt_nsource=3   			!-----------------------------------------
-rt_source_type=3*'point'
-rt_src_x_center=3*0.0
-rt_src_y_center=3*0.0
-rt_src_z_center=3*0.0
-rt_src_length_x=3*1.0
-rt_src_length_y=3*1.0
-rt_src_length_z=3*1.0
-rt_src_group=1,2,3
-rt_n_source=2.235d48, 2.47d48, 0.295d48 ! 5E48 photons per s emitted
-/
-
-&RT_GROUPS			  ! Blackbody at T=1d5 Kelvin
-group_csn(1,:)= 3.00d-18, 0.,0.   ! pck 1-> HI, HeI, HeII
-group_cse(1,:)= 2.78d-18, 0.,0.   ! pck 1-> HI, HeI, HeII
-group_csn(2,:)= 5.69d-19, 0.,0.   ! pck 2-> HI, HeI, HeII
-group_cse(2,:)= 5.04d-19, 0.,0.   ! pck 2-> HI, HeI, HeII
-group_csn(3,:)= 7.89d-20, 0.,0.   ! pck 3-> HI, HeI, HeII
-group_cse(3,:)= 7.46d-20, 0.,0.   ! pck 3-> HI, HeI, HeII
-group_egy = 18.85, 35.079, 65.666
-spec2group    = 1,2,3             ! HI, HeI, HeII -> pck
-/
-
-&BOUNDARY_PARAMS
-nboundary=6
-ibound_min=-1,+1,-1,-1,-1,-1
-ibound_max=-1,+1,+1,+1,+1,+1
-jbound_min= 0, 0,-1,+1,-1,-1
-jbound_max= 0, 0,-1,+1,+1,+1
-kbound_min= 0, 0, 0, 0,-1,+1
-kbound_max= 0, 0, 0, 0,-1,+1
-bound_type= 1, 2, 1, 2, 1, 2	! Reflective+outflow boundaries
-/
diff --git a/namelist/iliev3.nml b/namelist/iliev3.nml
deleted file mode 100644
index 4a69a0742583e4561e8daebbab4019f7c297f2d8..0000000000000000000000000000000000000000
--- a/namelist/iliev3.nml
+++ /dev/null
@@ -1,114 +0,0 @@
-&RUN_PARAMS 
-hydro=.true.
-nrestart=0
-nremap=10
-nsubcycle=10*2
-verbose=.false.
-static=.true.
-rt=.true.
-/
-
-&INIT_PARAMS
-nregion=2
-region_type(1)='square'
-region_type(2)='square'
-x_center=3.3, 5.
-y_center=3.3, 3.3
-z_center=3.3, 3.3
-length_x=10.0, 1.6
-length_y=10.0, 1.6
-length_z=10.0, 1.6
-exp_region=10.0, 2.
-d_region=2.d-4, 4.d-2			! (1=1e-3 cm-3)
-u_region=0.0, 0.0								
-v_region=0.0, 0.0     
-p_region= 1.391794d-08, 1.391795d-08	! 8000 K and 40 K
-var_region(:,1)=1d-6                    ! HII fraction
-/
-
-&AMR_PARAMS 
-levelmin=6
-levelmax=7
-ngridtot=1000000
-nexpand=1
-boxlen=6.6			!  6.6 kpc
-/
-
-&OUTPUT_PARAMS
-noutput=5
-tout=1,2,3,5,15
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-scheme='muscl'
-slope_type=1
-/
-
-&PHYSICS_PARAMS
-cooling=.true.
-units_density=1.66000d-24
-units_time=3.1556926d13		! 1 Myr in seconds
-units_length=3.08568025d21 	! 1 kpc in cm
-/
-
-&REFINE_PARAMS
-mass_sph=0
-m_refine=0
-x_refine=5.5
-y_refine=3.3
-z_refine=3.3
-r_refine=3.
-b_refine=.6
-a_refine=.6
-exp_refine=10.
-/
-
-&RT_PARAMS
-X=1d0                           ! Hydrogen mass fraction
-Y=0d0                           ! Helium mass fraction
-rt_output_coolstats=.true.
-rt_flux_scheme='hll'            ! HLL or GLF
-hll_evals_file='/Users/romain/ramses/trunk/ramses/rt/hll_evals.list'
-rt_courant_factor=0.8           ! Courant number for RT timesteps
-rt_c_fraction=0.1              ! Light speed fraction
-rt_smooth=.true.                ! Smoothed RT to battle operator splitting
-rt_otsa=.true.                  ! On-the-spot approximation?
-rt_is_init_xion=.false.
-rt_nsource=3                    !--Idealized radiation sources------------
-rt_source_type=3*'square'       ! Source geometry (point or square)
-rt_src_x_center=3*0.05            ! Source position [0, boxlen]
-rt_src_y_center=3*3.3
-rt_src_z_center=3*3.3
-rt_src_length_x=3*0.1             ! Source size [0, boxlen]
-rt_src_length_y=3*100.
-rt_src_length_z=3*100.
-rt_src_group=1,2,3                  ! Photon group emitted into
-rt_n_source=4.47d5,4.94d5,0.59d5 ! Source flux (photons per cm per sec)
-rt_u_source=1.,1.,1.            ! Reduced x-direction flux
-rt_v_source=0.,0.,0.            ! Reduced y-direction flux
-rt_w_source=0.,0.,0.            ! Reduced z-direction flux
-/
-
-&RT_GROUPS                                       ! Blackbody at T=1.d5 Kelvin
-group_csn(1,:)= 3.00d-18, 0.,       0.           ! pck 1-> HI, HeI, HeII
-group_cse(1,:)= 2.78d-18, 0.,       0.           ! pck 1-> HI, HeI, HeII
-group_csn(2,:)= 5.69d-19, 0.,       0.           ! pck 2-> HI, HeI, HeII
-group_cse(2,:)= 5.04d-19, 0.,       0.           ! pck 2-> HI, HeI, HeII
-group_csn(3,:)= 7.89d-20, 0.,       0.           ! pck 3-> HI, HeI, HeII
-group_cse(3,:)= 7.46d-20, 0.,       0.           ! pck 3-> HI, HeI, HeII
-group_egy     = 18.85,    35.08,     65.67
-spec2group    = 1,        2,        3            ! HI, HeI, HeII -> pck
-/
-
-&BOUNDARY_PARAMS
-nboundary=6
-ibound_min=-1,+1,-1,-1,-1,-1
-ibound_max=-1,+1,+1,+1,+1,+1
-jbound_min= 0, 0,-1,+1,-1,-1
-jbound_max= 0, 0,-1,+1,+1,+1
-kbound_min= 0, 0, 0, 0,-1,+1
-kbound_max= 0, 0, 0, 0,-1,+1
-bound_type= 2, 2, 0, 0, 0, 0	! user-defined, flow-through, periodic
-/
diff --git a/namelist/iliev4.nml b/namelist/iliev4.nml
deleted file mode 100644
index 630c8aae1e53da4ba78d4b6e4ae0402e54f0b575..0000000000000000000000000000000000000000
--- a/namelist/iliev4.nml
+++ /dev/null
@@ -1,73 +0,0 @@
-&RUN_PARAMS 
-hydro=.true.
-static=.true.
-nrestart=0
-rt=.true.
-/
-
-&INIT_PARAMS
-filetype='grafic'
-!initfile(1)='../IC'		! Point to Iliev's density cube
-initfile(1)='./IC_better'		! Point to Iliev's density cube
-/
-
-&AMR_PARAMS 
-levelmin=7
-levelmax=7
-ngridtot=500000
-boxlen=71.429			! 0.5 h-1 Mpc at z=9
-/
-
-&OUTPUT_PARAMS
-noutput=6
-tout= 0.01, 0.05, 0.1, 0.2, 0.3, 0.4 
-/
-
-&HYDRO_PARAMS
-courant_factor=0.8
-slope_type=1
-/
-
-&PHYSICS_PARAMS
-cooling=.true.
-units_density=1.66d-24		! gram per proton
-units_time=3.1557d13		! 1 Myr in seconds
-units_length=3.0857d21 		! 1 kpc in cm
-/
-
-&RT_PARAMS
-X=1d0
-Y=0d0
-rt_flux_scheme='glf'
-rt_c_fraction=1.
-rt_otsa=.false.
-rt_nsource=48
-rt_source_type=48*"point"	!----------------------------------------------
-rt_src_x_center=38.611577,38.611577,38.611577,38.047904,38.047904,38.047904,34.102196,34.102196,34.102196,43.684631,43.684631,43.684631,41.429940,41.429940,41.429940,56.085429,56.085429,56.085429,48.194012,48.194012,48.194012,17.192016,17.192016,17.192016,58.340120,58.340120,58.340120,22.828743,22.828743,22.828743,40.866268,40.866268,40.866268,36.356886,36.356886,36.356886,43.120958,43.120958,43.120958,63.413174,63.413174,63.413174,69.613573,69.613573,69.613573,45.375649,45.375649,45.375649
-rt_src_y_center=48.757685,48.757685,48.757685,67.358882,67.358882,67.358882,44.248304,44.248304,44.248304,54.958084,54.958084,54.958084,54.394411,54.394411,54.394411,25.083433,25.083433,25.083433,5.3548902,5.3548902,5.3548902,43.120958,43.120958,43.120958,30.720160,30.720160,30.720160,40.866268,40.866268,40.866268,49.885030,49.885030,49.885030,61.722156,61.722156,61.722156,51.012375,51.012375,51.012375,34.102196,34.102196,34.102196,34.665868,34.665868,34.665868,54.394411,54.394411,54.394411
-rt_src_z_center=49.321357,49.321357,49.321357,57.776447,57.776447,57.776447,36.356886,36.356886,36.356886,66.795210,66.795210,66.795210,69.049900,69.049900,69.049900,33.538523,33.538523,33.538523,14.937325,14.937325,14.937325,26.774451,26.774451,26.774451,34.665868,34.665868,34.665868,26.210779,26.210779,26.210779,53.830739,53.830739,53.830739,51.012375,51.012375,51.012375,59.467465,59.467465,59.467465,35.793214,35.793214,35.793214,34.102196,34.102196,34.102196,63.976846,63.976846,63.976846
-rt_src_group=1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3
-rt_n_source=2.8897523e+51,3.1935965e+51,3.8142146e+50,3.0723736e+51,3.3954196e+51,4.0552583e+50,3.2227703e+51,3.5616297e+51,4.2537684e+50,3.3301960e+51,3.6803508e+51,4.3955608e+50,3.5020767e+51,3.8703039e+51,4.6224279e+50,3.8888089e+51,4.2976992e+51,5.1328798e+50,4.0929198e+51,4.5232715e+51,5.4022880e+50,4.2003456e+51,4.6419926e+51,5.5440804e+50,5.4464840e+51,6.0191567e+51,7.1888715e+50,7.3264335e+51,8.0967743e+51,9.6702368e+50,8.9270738e+51,9.8657145e+51,1.1782939e+51,1.0162472e+52,1.1231009e+52,1.3413553e+51,1.0667370e+52,1.1788995e+52,1.4079974e+51,1.4566922e+52,1.6098567e+52,1.9227034e+51,2.5986276e+52,2.8718613e+52,3.4299559e+51,3.5622370e+52,3.9367899e+52,4.7018342e+51
-/
-
-&RT_GROUPS			! Blackbody at T=1d5 Kelvin
-group_csn(1,:)= 3.00d-18, 0.,0.   ! pck 1-> HI, HeI, HeII
-group_cse(1,:)= 2.78d-18, 0.,0.   ! pck 1-> HI, HeI, HeII
-group_csn(2,:)= 5.69d-19, 0.,0.   ! pck 2-> HI, HeI, HeII
-group_cse(2,:)= 5.04d-19, 0.,0.   ! pck 2-> HI, HeI, HeII
-group_csn(3,:)= 7.89d-20, 0.,0.   ! pck 3-> HI, HeI, HeII
-group_cse(3,:)= 7.46d-20, 0.,0.   ! pck 3-> HI, HeI, HeII
-group_egy     = 18.85, 35.079, 65.666
-spec2group    = 1,2,3             ! HI, HeI, HeII -> pck
-/
-
-&BOUNDARY_PARAMS
-nboundary=6
-ibound_min=-1,+1,-1,-1,-1,-1
-ibound_max=-1,+1,+1,+1,+1,+1
-jbound_min= 0, 0,-1,+1,-1,-1
-jbound_max= 0, 0,-1,+1,+1,+1
-kbound_min= 0, 0, 0, 0,-1,+1
-kbound_max= 0, 0, 0, 0,-1,+1
-bound_type= 2, 2, 2, 2, 2, 2	! Outflow boundaries
-/
diff --git a/namelist/iliev5.nml b/namelist/iliev5.nml
deleted file mode 100644
index aea674ad98f0049ed2001cb5767cec602f27dfbb..0000000000000000000000000000000000000000
--- a/namelist/iliev5.nml
+++ /dev/null
@@ -1,91 +0,0 @@
-&RUN_PARAMS 
-hydro=.true.
-nrestart=0
-nremap=20
-rt=.true.
-/
-
-&INIT_PARAMS
-nregion=1
-region_type(1)='square'
-x_center=0.5
-y_center=0.5
-z_center=0.5
-length_x=100.0
-length_y=100.0
-length_z=100.0
-exp_region=10.0
-d_region=1.d-3		! H atoms per cm3
-p_region= 8.69869d-10	! 100 K
-var_region(1,1)=1d-6
-/
-
-&AMR_PARAMS 
-levelmin=6
-levelmax=7
-ngridtot=500000
-boxlen=15.		!  15 kpc
-/
-
-&OUTPUT_PARAMS
-noutput=5
-tout=10,30,100,200,500
-/
-
-&HYDRO_PARAMS
-courant_factor=0.8
-slope_type=1
-/
-
-&PHYSICS_PARAMS
-cooling=.true.
-units_density=1.66d-24		! gram per proton
-units_time=3.1557d13		! 1 Myr in seconds
-units_length=3.0857d21 		! 1 kpc in cm
-/
-
-&REFINE_PARAMS
-err_grad_d=0.2
-/
-
-&RT_PARAMS
-X=1d0
-Y=0d0
-rt_flux_scheme='glf'
-rt_c_fraction=0.01
-rt_otsa=.false.
-rt_is_init_xion=.false.
-rt_err_grad_xHII=0.1
-rt_nsource=3   			!-----------------------------------------
-rt_source_type=3*'point'
-rt_src_x_center=3*0.0
-rt_src_y_center=3*0.0
-rt_src_z_center=3*0.0
-rt_src_length_x=3*1.0
-rt_src_length_y=3*1.0
-rt_src_length_z=3*1.0
-rt_src_group=1,2,3
-rt_n_source=2.235d48, 2.47d48, 0.295d48       ! 5E48 photons per s emitted
-/
-
-&RT_GROUP			! Blackbody at T=1d5 Kelvin
-group_csn(1,:)= 3.00d-18, 0.,0.   ! pck 1-> HI, HeI, HeII
-group_cse(1,:)= 2.78d-18, 0.,0.   ! pck 1-> HI, HeI, HeII
-group_csn(2,:)= 5.69d-19, 0.,0.   ! pck 2-> HI, HeI, HeII
-group_cse(2,:)= 5.04d-19, 0.,0.   ! pck 2-> HI, HeI, HeII
-group_csn(3,:)= 7.89d-20, 0.,0.   ! pck 3-> HI, HeI, HeII
-group_cse(3,:)= 7.46d-20, 0.,0.   ! pck 3-> HI, HeI, HeII
-group_egy = 18.85, 35.079, 65.666
-spec2group    = 1,2,3             ! HI, HeI, HeII -> group
-/
-
-&BOUNDARY_PARAMS
-nboundary=6
-ibound_min=-1,+1,-1,-1,-1,-1
-ibound_max=-1,+1,+1,+1,+1,+1
-jbound_min= 0, 0,-1,+1,-1,-1
-jbound_max= 0, 0,-1,+1,+1,+1
-kbound_min= 0, 0, 0, 0,-1,+1
-kbound_max= 0, 0, 0, 0,-1,+1
-bound_type= 1, 2, 1, 2, 1, 2	! Reflective+outflow boundaries
-/
diff --git a/namelist/iliev7.nml b/namelist/iliev7.nml
deleted file mode 100644
index 7b173adb87564d9abbff20f8eccdcd649e2dc2d1..0000000000000000000000000000000000000000
--- a/namelist/iliev7.nml
+++ /dev/null
@@ -1,108 +0,0 @@
-&RUN_PARAMS 
-hydro=.true.
-nrestart=0
-nremap=10
-nsubcycle=10*2
-verbose=.false.
-rt=.true.
-/
-
-&INIT_PARAMS
-nregion=2
-region_type(1)='square'
-region_type(2)='square'
-x_center=3.3, 5.
-y_center=3.3, 3.3
-z_center=3.3, 3.3
-length_x=10.0, 1.6
-length_y=10.0, 1.6
-length_z=10.0, 1.6
-exp_region=10.0, 2.
-d_region=2.d-4, 4.d-2			! (1=1e-3 cm-3)
-u_region=0.0, 0.0							
-v_region=0.0, 0.0     
-p_region= 1.391794d-08, 1.391795d-08	! 8000 K and 40 K
-/
-
-&AMR_PARAMS 
-levelmin=6
-levelmax=7
-ngridtot=1000000
-nexpand=1
-boxlen=6.6			!  6.6 kpc
-/
-
-&OUTPUT_PARAMS
-noutput=5
-tout=1,5,10,25,50
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-scheme='muscl'
-slope_type=1
-/
-
-&PHYSICS_PARAMS
-cooling=.true.
-units_density=1.66000d-24
-units_time=3.1556926d13		! 1 Myr in seconds
-units_length=3.08568025d21 	! 1 kpc in cm
-/
-
-&REFINE_PARAMS
-err_grad_d=0.3
-err_grad_p=0.3
-/
-
-&RT_PARAMS
-X=1d0                           ! Hydrogen mass fraction
-Y=0d0                           ! Helium mass fraction
-rt_output_coolstats=.true.
-!rt_flux_scheme='hll'            ! HLL or GLF
-hll_evals_file='/Users/romain/ramses/trunk/ramses/rt/hll_evals.list'
-rt_courant_factor=0.8           ! Courant number for RT timesteps
-rt_c_fraction=0.01              ! Light speed fraction
-rt_smooth=.true.                ! Smoothed RT to battle operator splitting
-rt_otsa=.true.                  ! On-the-spot approximation?
-rt_err_grad_xHII=0.3
-rt_err_grad_xHI=0.3
-rt_is_init_xion=.true.
-rt_nsource=3                    !--Idealized radiation sources------------
-rt_source_type=3*'square'       ! Source geometry (point or square)
-rt_src_x_center=3*0.05            ! Source position [0, boxlen]
-rt_src_y_center=3*3.3
-rt_src_z_center=3*3.3
-rt_src_length_x=3*0.1             ! Source size [0, boxlen]
-rt_src_length_y=3*100.
-rt_src_length_z=3*100.
-rt_src_group=1,2,3                  ! Photon group emitted into
-rt_n_source=4.47d5,4.94d5,0.59d5 ! Source flux (photons per cm per sec)
-rt_u_source=1.,1.,1.            ! Reduced x-direction flux
-rt_v_source=0.,0.,0.            ! Reduced y-direction flux
-rt_w_source=0.,0.,0.            ! Reduced z-direction flux
-/
-
-
-&RT_GROUPS                                       ! Blackbody at T=1.d5 Kelvin
-group_csn(1,:)= 3.00d-18, 0.,       0.           ! pck 1-> HI, HeI, HeII
-group_cse(1,:)= 2.78d-18, 0.,       0.           ! pck 1-> HI, HeI, HeII
-group_csn(2,:)= 5.69d-19, 0.,       0.           ! pck 2-> HI, HeI, HeII
-group_cse(2,:)= 5.04d-19, 0.,       0.           ! pck 2-> HI, HeI, HeII
-group_csn(3,:)= 7.89d-20, 0.,       0.           ! pck 3-> HI, HeI, HeII
-group_cse(3,:)= 7.46d-20, 0.,       0.           ! pck 3-> HI, HeI, HeII
-group_egy     = 18.85,    35.08,     65.67
-spec2group    = 1,        2,        3            ! HI, HeI, HeII -> pck
-/
-
-&BOUNDARY_PARAMS
-nboundary=6
-ibound_min=-1,+1,-1,-1,-1,-1
-ibound_max=-1,+1,+1,+1,+1,+1
-jbound_min= 0, 0,-1,+1,-1,-1
-jbound_max= 0, 0,-1,+1,+1,+1
-kbound_min= 0, 0, 0, 0,-1,+1
-kbound_max= 0, 0, 0, 0,-1,+1
-bound_type= 2, 2, 0, 0, 0, 0	! user-defined, flow-through, periodic
-/
diff --git a/namelist/p-pointmass.nml b/namelist/p-pointmass.nml
deleted file mode 100644
index 10bd3f1820d8213dc338621548648f72636ce943..0000000000000000000000000000000000000000
--- a/namelist/p-pointmass.nml
+++ /dev/null
@@ -1,56 +0,0 @@
-
-&RUN_PARAMS 
-poisson=.true.
-hydro=.true.
-nrestart=0
-nremap=0
-ncontrol=1
-nstepmax=1
-verbose=.false.
-/
-
-&AMR_PARAMS
-levelmin=4
-levelmax=7
-ngridmax=300000
-/
-
-&OUTPUT_PARAMS
-foutput=1
-noutput=1
-tout=10.0,
-/
-
-&INIT_PARAMS
-nregion=2
-region_type='square','point'
-x_center=0.5,0.5
-y_center=0.5,0.5
-z_center=0.5,0.5
-length_x=10.0,0.0
-length_y=10.0,0.0
-length_z=10.0,0.0
-exp_region=10.0,10.0
-d_region=1.0,1.0
-u_region=0.0,0.0
-v_region=0.0,0.0
-p_region=1.0,0.0
-/
-
-&HYDRO_PARAMS
-/
-
-&POISSON_PARAMS
-gravity_type=0
-epsilon=1d-4
-cg_levelmin=100
-/
-
-&REFINE_PARAMS 
-m_refine=7*1.
-x_refine=7*0.5
-y_refine=7*0.5
-z_refine=7*0.5
-r_refine=7*0.5
-/
-
diff --git a/namelist/p-pointmass3.nml b/namelist/p-pointmass3.nml
deleted file mode 100644
index c4ce1bc9040537cd751a724a315f00722e192bb6..0000000000000000000000000000000000000000
--- a/namelist/p-pointmass3.nml
+++ /dev/null
@@ -1,53 +0,0 @@
-
-&RUN_PARAMS 
-poisson=.true.
-hydro=.true.
-verbose=.false.
-nrestart=0
-nremap=0
-ncontrol=1
-nstepmax=1
-/
-
-&AMR_PARAMS
-levelmin=6
-levelmax=11
-ngridmax=520000
-/
-
-&OUTPUT_PARAMS
-foutput=1
-noutput=1
-tout=10.0,
-/
-
-&HYDRO_PARAMS
-courant_factor=0.0
-/
-
-&INIT_PARAMS
-nregion=4
-region_type='square','point','point','point'
-x_center=0.5,0.5,0.25,0.75
-y_center=0.5,0.5,0.5,0.5
-z_center=0.5,0.5,0.5,0.5
-length_x=10.0,0.0,0.0,0.0
-length_y=10.0,0.0,0.0,0.0
-length_z=10.0,0.0,0.0,0.0
-exp_region=10.0,10.0,10.0,10.0
-d_region=1d-10,1.0,1.0,1.0
-u_region=0.0,0.0,0.0,0.0
-v_region=0.0,0.0,0.0,0.0
-p_region=1.0,0.0,0.0,0.0
-/
-
-&POISSON_PARAMS
-gravity_type=0
-epsilon=1d-6
-cg_levelmin=100
-/
-
-&REFINE_PARAMS 
-err_grad_d=0.01
-/
-
diff --git a/namelist/rad_beams.nml b/namelist/rad_beams.nml
deleted file mode 100644
index e2e940f8fc9054058af8b93f72787e5247d38774..0000000000000000000000000000000000000000
--- a/namelist/rad_beams.nml
+++ /dev/null
@@ -1,81 +0,0 @@
-&RUN_PARAMS 
-hydro=.false.
-rt=.true.
-nrestart=0
-nremap=0
-nsubcycle=10*1
-verbose=.false.
-/
-
-&INIT_PARAMS
-nregion=1
-region_type(1)='square'
-x_center=0.5
-y_center=0.5
-z_center=0.5
-length_x=100.0
-length_y=100.0
-length_z=100.0
-exp_region=10.0
-d_region=1.d-3		   	  ! 1e-3 hydrogen atoms per cc
-p_region= 8.69869d-10		  ! 100 K
-/
-
-&AMR_PARAMS 
-levelmin=8
-levelmax=8
-ngridtot=3000000
-nexpand=1
-boxlen=1			!  1 kpc
-/
-
-&OUTPUT_PARAMS
-noutput=1
-foutput=50
-tout=5
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-scheme='muscl'
-slope_type=1
-/
-
-&PHYSICS_PARAMS
-cooling=.false.
-/
-
-&REFINE_PARAMS
-err_grad_d=0.4
-/
-
-&RT_PARAMS
-X=1d0
-Y=0d0
-rt_pp=.true.
-rt_freeflow=.true.
-rt_flux_scheme='hll'
-hll_evals_file='/Users/romain/ramses/trunk/ramses/rt/hll_evals.list'
-rt_courant_factor=1.
-rt_c_fraction=1	
-rt_nsource=2  
-rt_source_type=2*'point'
-rt_src_x_center=0.125,0.125
-rt_src_y_center=0.125,0.0625
-rt_src_length_x=1.0,1.0
-rt_src_length_y=1.0,1.0
-rt_src_group=1,1
-rt_n_source=1d50,1d50
-rt_u_source=.707107,1.
-rt_v_source=.707107,0.
-/
-
-&BOUNDARY_PARAMS 
-nboundary=4 
-ibound_min=-1,+1,-1,-1 
-ibound_max=-1,+1,+1,+1 
-jbound_min= 0, 0,+1,-1 
-jbound_max= 0, 0,+1,-1 
-bound_type= 2, 2, 2, 2 
-/
diff --git a/namelist/sedov1d.nml b/namelist/sedov1d.nml
deleted file mode 100644
index 4f77ecf6fcb6b754093506bfb290aae489a457e5..0000000000000000000000000000000000000000
--- a/namelist/sedov1d.nml
+++ /dev/null
@@ -1,53 +0,0 @@
-This namelist contains various input parameters for RAMSES runs
-
-&RUN_PARAMS 
-hydro=.true.
-nremap=10
-ncontrol=10
-nsubcycle=10*1
-/
-
-&AMR_PARAMS
-levelmin=3
-levelmax=10
-ngridmax=1000
-nexpand=1
-boxlen=0.5
-/
-
-&INIT_PARAMS
-nregion=2
-region_type(1)='square'
-region_type(2)='point'
-x_center=0.5,0.0
-length_x=1.0,1.0
-d_region=1.0,0.0
-u_region=0.0,0.0
-p_region=1e-5,0.4
-/
-
-&OUTPUT_PARAMS
-noutput=5
-tout=0.0125,0.025,0.05,0.1,0.2
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-slope_type=2
-riemann='hllc'
-/
-
-&REFINE_PARAMS 
-err_grad_p=0.1
-interpol_var=0
-interpol_type=2
-/
-
-&BOUNDARY_PARAMS
-nboundary = 2
-ibound_min=-1,+1
-ibound_max=-1,+1
-bound_type= 1, 1
-/
-
diff --git a/namelist/sedov2d.nml b/namelist/sedov2d.nml
deleted file mode 100644
index 2b3b0863acfb88af22942a4f9cc0913ff96a4659..0000000000000000000000000000000000000000
--- a/namelist/sedov2d.nml
+++ /dev/null
@@ -1,60 +0,0 @@
-This namelist contains various input parameters for RAMSES runs
-
-&RUN_PARAMS 
-hydro=.true.
-ncontrol=10
-nsubcycle=1,1,1,1,1,2
-nremap=10
-/
-
-&AMR_PARAMS 
-levelmin=4
-levelmax=10
-ngridmax=100000
-boxlen=1.0
-/
-
-&BOUNDARY_PARAMS
-nboundary = 4
-ibound_min= 0, 0,-1,+1
-ibound_max= 0, 0,-1,+1
-jbound_min=-1,+1,-1,-1
-jbound_max=-1,+1,+1,+1
-bound_type= 1, 1, 1, 1
-/
-
-&INIT_PARAMS
-nregion=2
-region_type(1)='square'
-region_type(2)='point'
-x_center=0.5,0.0
-y_center=0.5,0.0
-length_x=10.0,1.0
-length_y=10.0,1.0
-exp_region=10.0,10.0
-d_region=1.0,0.0
-u_region=0.0,0.0
-v_region=0.0,0.0
-p_region=1e-5,0.4
-/
-
-&OUTPUT_PARAMS
-noutput=1
-tout=1.0
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-slope_type=1
-scheme='muscl'
-/
-
-&REFINE_PARAMS 
-interpol_var=0
-interpol_type=2
-err_grad_p=0.1
-/
-
-
-
diff --git a/namelist/sedov3d.nml b/namelist/sedov3d.nml
deleted file mode 100644
index c007bb37fb6ad5519374333331219e2e1685642e..0000000000000000000000000000000000000000
--- a/namelist/sedov3d.nml
+++ /dev/null
@@ -1,49 +0,0 @@
-
-&RUN_PARAMS 
-hydro=.true.
-ncontrol=1
-nrestart=0
-nremap=0
-nsubcycle=10*1
-nstepmax=10
-/
-
-&AMR_PARAMS 
-levelmin=8
-levelmax=8
-ngridtot=3000000
-nexpand=1
-boxlen=0.5
-/
-
-&INIT_PARAMS
-nregion=2
-region_type(1)='square'
-region_type(2)='point'
-x_center=0.5,0.0
-y_center=0.5,0.0
-z_center=0.5,0.0
-length_x=10.0,1.0
-length_y=10.0,1.0
-length_z=10.0,1.0
-exp_region=10.0,10.0
-d_region=1.0,0.0
-u_region=0.0,0.0
-v_region=0.0,0.0
-p_region=1e-5,0.4
-/
-
-&OUTPUT_PARAMS
-noutput=1
-tout=1.0
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-scheme='muscl'
-slope_type=1
-/
-
-
-
diff --git a/namelist/static.nml b/namelist/static.nml
deleted file mode 100644
index d053df7bf472a149e79b6798ed3d53fa943cd833..0000000000000000000000000000000000000000
--- a/namelist/static.nml
+++ /dev/null
@@ -1,36 +0,0 @@
-
-&RUN_PARAMS 
-pic=.true.
-poisson=.true.
-nrestart=0
-nremap=1
-nsubcycle=8*1,
-ncontrol=1
-static=.true.
-nstepmax=5
-/
-
-&OUTPUT_PARAMS
-foutput=1
-noutput=1
-tout=1.0
-/
-
-&INIT_PARAMS
-filetype='ascii'
-initfile(1)='/dmnfs/teyssier/point_mass/part_test.ascii'
-/
-
-&AMR_PARAMS
-levelmin=5
-levelmax=10
-ngridmax=400000
-npartmax=1500000
-nexpand=2
-boxlen=1.
-/
-
-&REFINE_PARAMS 
-m_refine=7*1.
-/
-
diff --git a/namelist/stromgren.nml b/namelist/stromgren.nml
deleted file mode 100644
index 2917626619c66b7d1219827b034b43957eda8858..0000000000000000000000000000000000000000
--- a/namelist/stromgren.nml
+++ /dev/null
@@ -1,109 +0,0 @@
-&RUN_PARAMS 
-hydro=.true.
-rt=.true.
-nrestart=0
-nremap=0
-nsubcycle=10*1
-verbose=.false.
-/
-
-&INIT_PARAMS
-nregion=1
-region_type(1)='square'
-x_center=7.5
-y_center=7.5
-z_center=7.5
-length_x=100.0
-length_y=100.0
-length_z=100.0
-exp_region=10.0
-d_region=1d-3		   	  ! 1e-3 hydrogen atoms per cc
-p_region=8.69869d-10		  ! 100 K
-/
-
-&AMR_PARAMS 
-levelmin=7
-levelmax=7
-ngridmax=300000
-nexpand=1
-boxlen=15.			!  1 kpc
-/
-
-&OUTPUT_PARAMS
-delta_tout=10.
-tend=500.
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-scheme='muscl'
-slope_type=2
-riemann='hllc'
-/
-
-&PHYSICS_PARAMS
-cooling=.false.
-units_density=1.66d-24
-units_time=3.1556926d13
-units_length=3.08568025d21
-/
-
-&REFINE_PARAMS
-err_grad_d=0.4
-/
-
-&RT_PARAMS
-X=1d0
-Y=0d0
-rt_flux_scheme='glf'
-hll_evals_file='/Users/romain/ramses/trunk/ramses/rt/hll_evals.list'
-rt_courant_factor=0.8
-rt_c_fraction=0.01
-rt_cooling=.true.
-rt_nsource=3
-rt_source_type=3*'point'
-rt_src_x_center=3*0.
-rt_src_y_center=3*0.
-rt_src_z_center=3*0.
-rt_src_length_x=3*1.0
-rt_src_length_y=3*1.0
-rt_src_length_z=3*1.0
-rt_src_group=1,2,3
-rt_n_source=2.235d48,2.47d48,0.295d48 ! Total = 5d48
-rt_u_source=3*0
-rt_v_source=3*0
-rt_w_source=3*0
-rt_nregion=1
-rt_region_type(1)='square'
-rt_reg_x_center=7.5
-rt_reg_y_center=7.5
-rt_reg_z_center=7.5
-rt_reg_length_x=100.0
-rt_reg_length_y=100.0
-rt_reg_length_z=100.0
-rt_exp_region=10.0
-rt_xion_region=1.d-6    ! hydrogen ionization state in box (no Helium)
-/
-
-&RT_GROUPS			! Blackbody at T=1d5 Kelvin
-group_csn(1,:)= 3.00d-18, 0.,0.   ! pck 1-> HI, HeI, HeII
-group_cse(1,:)= 2.78d-18, 0.,0.   ! pck 1-> HI, HeI, HeII
-group_csn(2,:)= 5.69d-19, 0.,0.   ! pck 2-> HI, HeI, HeII
-group_cse(2,:)= 5.04d-19, 0.,0.   ! pck 2-> HI, HeI, HeII
-group_csn(3,:)= 7.89d-20, 0.,0.   ! pck 3-> HI, HeI, HeII
-group_cse(3,:)= 7.46d-20, 0.,0.   ! pck 3-> HI, HeI, HeII
-group_egy = 18.85, 35.079, 65.666
-spec2group    = 1,2,3             ! HI, HeI, HeII -> pck
-/
-
-&BOUNDARY_PARAMS 
-nboundary=6
-bound_type= 1, 2,  1,  2,  1,  2
-ibound_min=-1, 1, -1, -1, -1, -1
-ibound_max=-1, 1,  1,  1,  1,  1
-jbound_min= 0, 0, -1,  1, -1, -1
-jbound_max= 0, 0, -1,  1,  1,  1
-kbound_min= 0, 0,  0,  0, -1,  1
-kbound_max= 0, 0,  0,  0, -1,  1
-/
diff --git a/namelist/tube1d.nml b/namelist/tube1d.nml
deleted file mode 100644
index e12475987a82fca6102efa602173d400ee32f16e..0000000000000000000000000000000000000000
--- a/namelist/tube1d.nml
+++ /dev/null
@@ -1,55 +0,0 @@
-This is the RAMSES parameter file for Sod's shock tube test.
-
-&RUN_PARAMS
-hydro=.true.
-nsubcycle=3*1,2
-/
-
-&AMR_PARAMS 
-levelmin=3
-levelmax=10
-ngridmax=2000
-nexpand=1
-boxlen=1.0
-/
-
-&BOUNDARY_PARAMS
-nboundary=2
-ibound_min=-1,+1
-ibound_max=-1,+1
-bound_type= 1, 1
-/
-
-&INIT_PARAMS
-nregion=2
-region_type(1)='square'
-region_type(2)='square'
-x_center=0.25,0.75
-length_x=0.5,0.5
-d_region=1.0,0.125
-u_region=0.0,0.0
-p_region=1.0,0.1
-/
-
-&OUTPUT_PARAMS
-noutput=1
-tout=0.245
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-slope_type=2
-riemann='hllc'
-/
-
-&REFINE_PARAMS 
-err_grad_d=0.05
-err_grad_u=0.05
-err_grad_p=0.05
-interpol_var=0
-interpol_type=2
-/
-
-
-
diff --git a/namelist/tube_mhd.nml b/namelist/tube_mhd.nml
deleted file mode 100644
index 3b1ef9e9f7ff92d227b4b0581f53025b8055597d..0000000000000000000000000000000000000000
--- a/namelist/tube_mhd.nml
+++ /dev/null
@@ -1,65 +0,0 @@
-This namelist contains various input parameters for RAMSES runs
-
-&RUN_PARAMS
-hydro=.true.
-nremap=0
-ncontrol=100
-nsubcycle=4*1,
-/
-
-&AMR_PARAMS 
-levelmin=8
-levelmax=8
-ngridmax=10000
-nexpand=1
-boxlen=2.0
-/
-
-&BOUNDARY_PARAMS
-nboundary=2
-ibound_min=-1,+1
-ibound_max=-1,+1
-bound_type= 2, 2
-/
-
-&INIT_PARAMS
-nregion=2
-region_type(1)='square'
-region_type(2)='square'
-x_center=0.5,1.5
-length_x=1.0,1.0
-d_region=1.0,0.2
-u_region=0.0,1.186
-v_region=0.0,2.967
-w_region=0.0,0.0
-p_region=2.0,0.1368
-A_region=1.0,1.0
-B_region=0.0,1.6405
-C_region=0.0,0.0
-/
-A_region=0.0,0.0
-B_region=0.0,0.0
-
-&OUTPUT_PARAMS
-foutput=10
-noutput=1
-tout=0.5
-/
-
-&HYDRO_PARAMS
-gamma=1.6666667
-courant_factor=0.8
-slope_type=0
-riemann='roe'
-/
-
-&REFINE_PARAMS 
-err_grad_d=0.01
-err_grad_u=0.05
-err_grad_p=0.05
-interpol_var=0
-interpol_type=2
-/
-
-
-
diff --git a/namelist/twin_rad_src.nml b/namelist/twin_rad_src.nml
deleted file mode 100644
index b48ec8ac4c4043c7e85a23a038a79c4a0187c56e..0000000000000000000000000000000000000000
--- a/namelist/twin_rad_src.nml
+++ /dev/null
@@ -1,79 +0,0 @@
-&RUN_PARAMS 
-hydro=.false.
-rt=.true.
-nrestart=0
-nremap=0
-nsubcycle=10*1
-verbose=.false.
-/
-
-&INIT_PARAMS
-nregion=1
-region_type(1)='square'
-x_center=0.5
-y_center=0.5
-z_center=0.5
-length_x=100.0
-length_y=100.0
-length_z=100.0
-exp_region=10.0
-d_region=1.d-3		   	  ! 1e-3 hydrogen atoms per cc
-p_region= 8.69869d-10		  ! 100 K
-/
-
-&AMR_PARAMS 
-levelmin=9
-levelmax=9
-ngridtot=3000000
-nexpand=1
-boxlen=1			!  1 kpc
-/
-
-&OUTPUT_PARAMS
-noutput=1
-foutput=50
-tout=5
-/
-
-&HYDRO_PARAMS
-gamma=1.4
-courant_factor=0.8
-scheme='muscl'
-slope_type=1
-/
-
-&PHYSICS_PARAMS
-cooling=.false.
-/
-
-&REFINE_PARAMS
-err_grad_d=0.4
-/
-
-&RT_PARAMS
-X=1d0
-Y=0d0
-rt_pp=.true.
-rt_freeflow=.true.
-rt_flux_scheme='llf'
-hll_evals_file='/Users/romain/ramses/trunk/ramses/rt/hll_evals.list'
-rt_courant_factor=1.
-rt_c_fraction=1	
-rt_nsource=2
-rt_source_type=2*'point'
-rt_src_x_center=0.46875,0.53125
-rt_src_y_center=0.5,0.5
-rt_src_length_x=1.0,1.0
-rt_src_length_y=1.0,1.0
-rt_src_group=1,1
-rt_n_source=1d50,1d50
-/
-
-&BOUNDARY_PARAMS 
-nboundary=4 
-ibound_min=-1,+1,-1,-1 
-ibound_max=-1,+1,+1,+1 
-jbound_min= 0, 0,+1,-1 
-jbound_max= 0, 0,+1,-1 
-bound_type= 2, 2, 2, 2 
-/
diff --git a/poisson/output_poisson.f90 b/poisson/output_poisson.f90
index 7f21080759c12362999b8195d4ea2eaec11ecfd0..e4d90efd7918074ffb786210423e31d778292f79 100644
--- a/poisson/output_poisson.f90
+++ b/poisson/output_poisson.f90
@@ -115,12 +115,12 @@ subroutine backup_poisson(filename)
                  end do
 
                  ! Write positions  ! Pos data in .amr files!
-!                 do ivar=1,ndim
-!                    do i=1,ncache
-!                        xdp(i)=xg(ind_grid(i),ivar)+xc(ind,ivar)
-!                    end do
-!                    write(ilun)xdp
-!                 end do
+                 do ivar=1,ndim
+                    do i=1,ncache
+                        xdp(i)=xg(ind_grid(i),ivar)+xc(ind,ivar)
+                    end do
+                    write(ilun)xdp
+                 end do
               end if
 
            end do
diff --git a/readgrav_gr.py b/readgrav_gr.py
index f6e8282c305d8aaa2b6b3fb443093ed7a5e7694f..ca0b9606e9e27046afb1e8313cf508a5e8fcd712 100644
--- a/readgrav_gr.py
+++ b/readgrav_gr.py
@@ -8,7 +8,8 @@ from struct import *
 import time
 import sys
 
-t1=time.clock()
+#t1=time.process_time()
+#t1=time.process_time()
 #simulation details
 levelmin=int(sys.argv[3])
 levelmax=levelmin
@@ -24,13 +25,14 @@ firstcount=1
 outfile=fileroot
 
 #internal variable
-datlis=[phi,f1,f2,f3,gr5,gr6,gr7,gr8,gr9,gr10,rho,gr_m1,gr_m2,gr_m3,gr_m4,x,y,z]=[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]]
+datlis=[phi,f1,f2,f3,gr5,gr6,gr7,gr8,gr9,gr10,rho,gr_m1,gr_m2,gr_m3,gr_m4]=[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]]
+print(len(datlis))
 Ngrid=0
 for i in range(firstcount, firstcount+numfiles):
     infile=fileroot+str(i).zfill(5)
     with open(path+infile,'rb') as f:
         content = f.read()
-    print('Reading '+path+infile+'  : '+str(time.clock()-t1)+' s')
+#    print('Reading '+path+infile+'  : '+str(time.process_time()-t1)+' s')
     pmin=0
     pmax=48
 
@@ -70,25 +72,30 @@ for i in range(firstcount, firstcount+numfiles):
             pmax=pmax0
     f.close()
 
-print('Transposing: '+str(time.clock()-t1)+' s')
+#print('Transposing: '+str(time.process_time()-t1)+' s')
 datlis=np.transpose(datlis)
-#print('Deleting repeating elements: '+str(time.clock()-t1)+' s')
+print(len(datlis))
+#print('Deleting repeating elements: '+str(time.process_time()-t1)+' s')
 #datlis=np.vstack({tuple(row) for row in datlis})
-#print('Saving to '+path+outfile+'  : '+str(time.clock()-t1)+' s')
+#print('Saving to '+path+outfile+'  : '+str(time.process_time()-t1)+' s')
 #np.save(path+outfile,datlis)
 
-print('Mapping to tuple: '+str(time.clock()-t1)+' s')
-datlis=map(tuple,datlis)
+#print('Mapping to tuple: '+str(time.process_time()-t1)+' s')
 
-print('Finding set of values: '+str(time.clock()-t1)+' s')
+datlis=list(map(tuple,datlis))
+print(len(datlis))
+
+#print('Finding set of values: '+str(time.process_time()-t1)+' s')
 datlis=set(datlis)
+print(len(datlis))
 
-print('Mapping back to array: '+str(time.clock()-t1)+' s')
-datlis=map(tuple,datlis)
+#print('Mapping back to array: '+str(time.process_time()-t1)+' s')
+datlis=list(map(tuple,datlis))
+print(len(datlis))
 
-data=np.zeros((G**3,18))
+data=np.zeros((G**3,15))
 for i in range(len(data)):
-    print(i)
+    print(i,len(data),len(datlis))
     data[i][0]=datlis[i][0]
     data[i][1]=datlis[i][1]
     data[i][2]=datlis[i][2]
@@ -104,12 +111,9 @@ for i in range(len(data)):
     data[i][12]=datlis[i][12]
     data[i][13]=datlis[i][13]
     data[i][14]=datlis[i][14]
-    data[i][15]=datlis[i][15]
-    data[i][16]=datlis[i][16]
-    data[i][17]=datlis[i][17]
 
-print('Saving to '+path+outfile+'  : '+str(time.clock()-t1)+' s')
+#print('Saving to '+path+outfile+'  : '+str(time.process_time()-t1)+' s')
 np.save(path+outfile,data)
 
-print('Done : '+str(time.clock()-t1)+' s, N = %d'%(len(datlis)))
+#print('Done : '+str(time.process_time()-t1)+' s, N = %d'%(len(datlis)))
 sys.exit()
diff --git a/readgrav_gr_full.py b/readgrav_gr_full.py
new file mode 100644
index 0000000000000000000000000000000000000000..b7b1f1ea9af09f191d42dd2058041b00fce3a016
--- /dev/null
+++ b/readgrav_gr_full.py
@@ -0,0 +1,116 @@
+# This script read data from grav_ files and save to .npy
+# Fortran unformatted files seem to be composed with several blocks of different datatype.
+# Each block looks like this:
+# |(int) Size of DATA || (dtype) DATA ||(int) Size of DATA |
+
+import numpy as np
+from struct import *
+import time
+import sys
+
+#t1=time.process_time()
+#t1=time.process_time()
+#simulation details
+levelmin=int(sys.argv[3])
+levelmax=levelmin
+twotondim=8
+G=int(sys.argv[4])
+
+#files to be read
+path=sys.argv[1]
+#outpath=sys.argv[2]
+fileroot='grav_'+sys.argv[1][-6:-1]+'.out'
+numfiles=int(sys.argv[2])
+firstcount=1
+outfile=fileroot
+
+#internal variable
+datlis=[phi,f1,f2,f3,gr5,gr6,gr7,gr8,gr9,gr10,rho,gr_m1,gr_m2,gr_m3,gr_m4,x,y,z]=[[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]]
+Ngrid=0
+for i in range(firstcount, firstcount+numfiles):
+    infile=fileroot+str(i).zfill(5)
+    with open(path+infile,'rb') as f:
+        content = f.read()
+#    print('Reading '+path+infile+'  : '+str(time.process_time()-t1)+' s')
+    pmin=0
+    pmax=48
+
+    ############ 'header info'############
+    info=unpack('i'*3*4,content[pmin:pmax])
+    [ncpu,ndim,nlevelmax,nboundary]=[info[1],info[4],info[7],info[10]]
+
+    ############ levels ############
+    for ilevel in range(levelmin,levelmax+1):
+        ############ nboundary+ncpu ############
+        for ibound in range(1,nboundary+ncpu+1):
+            pmin0=pmax
+            pmax0=pmin0+4*3*2
+            info=unpack('i'*3*2,content[pmin0:pmax0])
+            [currlevel,ncache]=[info[1],info[4]]
+            Ngrid+=ncache*twotondim
+            #print pmin0, pmax0, currlevel, ncache
+            if ncache==0:
+                pmax=pmax0
+                continue
+            ############ twotondim ############
+            for ind in range(1,twotondim+1):
+                j=0
+                ############ parameters ############
+                for N in ([1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]):
+                    ipar=datlis[j]
+                    pmin=pmax0+(8*N-4)+(N-1)*8*ncache
+                    pmax=pmin+ncache*8
+                    #print(pmin,pmax,ncache)
+                    info=unpack('d'*ncache,content[pmin:pmax])
+                    for floatelem in info:
+                        ipar.append(floatelem)
+                    j=j+1
+                    #pmax=pmax+4
+                    #print ind, pmin, pmax, ncache
+                pmax0=pmax+4
+            pmax=pmax0
+    f.close()
+
+#print('Transposing: '+str(time.process_time()-t1)+' s')
+datlis=np.transpose(datlis)
+#print('Deleting repeating elements: '+str(time.process_time()-t1)+' s')
+#datlis=np.vstack({tuple(row) for row in datlis})
+#print('Saving to '+path+outfile+'  : '+str(time.process_time()-t1)+' s')
+#np.save(path+outfile,datlis)
+
+#print('Mapping to tuple: '+str(time.process_time()-t1)+' s')
+datlis=map(tuple,datlis)
+
+#print('Finding set of values: '+str(time.process_time()-t1)+' s')
+datlis=set(datlis)
+
+#print('Mapping back to array: '+str(time.process_time()-t1)+' s')
+datlis=map(tuple,datlis)
+
+data=np.zeros((G**3,18))
+for i in range(len(data)):
+    print(i)
+    data[i][0]=datlis[i][0]
+    data[i][1]=datlis[i][1]
+    data[i][2]=datlis[i][2]
+    data[i][3]=datlis[i][3]
+    data[i][4]=datlis[i][4]
+    data[i][5]=datlis[i][5]
+    data[i][6]=datlis[i][6]
+    data[i][7]=datlis[i][7]
+    data[i][8]=datlis[i][8]
+    data[i][9]=datlis[i][9]
+    data[i][10]=datlis[i][10]
+    data[i][11]=datlis[i][11]
+    data[i][12]=datlis[i][12]
+    data[i][13]=datlis[i][13]
+    data[i][14]=datlis[i][14]
+    data[i][15]=datlis[i][15]
+    data[i][16]=datlis[i][16]
+    data[i][17]=datlis[i][17]
+
+#print('Saving to '+path+outfile+'  : '+str(time.process_time()-t1)+' s')
+np.save(path+outfile,data)
+
+#print('Done : '+str(time.process_time()-t1)+' s, N = %d'%(len(datlis)))
+sys.exit()