
Number of active cells: 192 (on 4 levels)
Number of degrees of freedom: 5,641 (1,666+801+1,666+225+833+225+225)

*** Timestep 0:  t=0 years, dt=0 years
   Solving temperature system... 0 iterations.
   Skipping porosity composition solve because RHS is zero.
   Skipping peridotite composition solve because RHS is zero.
   Rebuilding Stokes preconditioner...
   Solving Stokes system (AMG)... 0+11 iterations.
   Solving fluid velocity system... 1 iterations.
      Relative nonlinear residuals (temperature, compositional fields, Stokes system): 1.99932e-16, 0, 0, 1
      Relative nonlinear residual (total system) after nonlinear iteration 1: 1

   Solving temperature system... 0 iterations.
   Skipping porosity composition solve because RHS is zero.
   Skipping peridotite composition solve because RHS is zero.
   Rebuilding Stokes preconditioner...
   Solving Stokes system (AMG)... 0+11 iterations.
   Solving fluid velocity system... 1 iterations.
      Relative nonlinear residuals (temperature, compositional fields, Stokes system): 2.14521e-16, 0, 0, 0.799766
      Relative nonlinear residual (total system) after nonlinear iteration 2: 0.799766

   Solving temperature system... 0 iterations.
   Skipping porosity composition solve because RHS is zero.
   Skipping peridotite composition solve because RHS is zero.
   Rebuilding Stokes preconditioner...
   Solving Stokes system (AMG)... 0+11 iterations.
   Solving fluid velocity system... 1 iterations.
      Relative nonlinear residuals (temperature, compositional fields, Stokes system): 2.26566e-16, 0, 0, 0.173272
      Relative nonlinear residual (total system) after nonlinear iteration 3: 0.173272

   Solving temperature system... 0 iterations.
   Skipping porosity composition solve because RHS is zero.
   Skipping peridotite composition solve because RHS is zero.
   Rebuilding Stokes preconditioner...
   Solving Stokes system (AMG)... 0+11 iterations.
   Solving fluid velocity system... 1 iterations.
      Relative nonlinear residuals (temperature, compositional fields, Stokes system): 2.16457e-16, 0, 0, 0.0272016
      Relative nonlinear residual (total system) after nonlinear iteration 4: 0.0272016


WARNING: The nonlinear solver in the current timestep failed to converge.
Acting according to the parameter 'Nonlinear solver failure strategy'...
Continuing to the next timestep even though solution is not fully converged.
   Postprocessing:
     Writing graphical output:  output-global_melt/solution/solution-00000
     Compositions min/max/mass: 0/0/0 // 0/0/0
     RMS, max velocity:         0.00111 m/year, 0.00309 m/year
     Temperature min/avg/max:   293 K, 2023 K, 3700 K
     Writing depth average:     output-global_melt/depth_average

*** Timestep 1:  t=500000 years, dt=500000 years
   Solving temperature system... 10 iterations.
   Skipping porosity composition solve because RHS is zero.
   Skipping peridotite composition solve because RHS is zero.
   Rebuilding Stokes preconditioner...
   Solving Stokes system (AMG)... 0+10 iterations.
   Solving fluid velocity system... 1 iterations.
      Relative nonlinear residuals (temperature, compositional fields, Stokes system): 0.000340462, 0, 0, 0.455665
      Relative nonlinear residual (total system) after nonlinear iteration 1: 0.455665

   Solving temperature system... 9 iterations.
   Skipping porosity composition solve because RHS is zero.
   Skipping peridotite composition solve because RHS is zero.
   Rebuilding Stokes preconditioner...
   Solving Stokes system (AMG)... 0+8 iterations.
   Solving fluid velocity system... 1 iterations.
      Relative nonlinear residuals (temperature, compositional fields, Stokes system): 9.61216e-06, 0, 0, 0.0444476
      Relative nonlinear residual (total system) after nonlinear iteration 2: 0.0444476

   Solving temperature system... 8 iterations.
   Skipping porosity composition solve because RHS is zero.
   Skipping peridotite composition solve because RHS is zero.
   Rebuilding Stokes preconditioner...
   Solving Stokes system (AMG)... 0+6 iterations.
   Solving fluid velocity system... 1 iterations.
      Relative nonlinear residuals (temperature, compositional fields, Stokes system): 2.16251e-06, 0, 0, 0.00363034
      Relative nonlinear residual (total system) after nonlinear iteration 3: 0.00363034

   Solving temperature system... 7 iterations.
   Skipping porosity composition solve because RHS is zero.
   Skipping peridotite composition solve because RHS is zero.
   Rebuilding Stokes preconditioner...
   Solving Stokes system (AMG)... 0+4 iterations.
   Solving fluid velocity system... 1 iterations.
      Relative nonlinear residuals (temperature, compositional fields, Stokes system): 2.73961e-07, 0, 0, 0.000257626
      Relative nonlinear residual (total system) after nonlinear iteration 4: 0.000257626


WARNING: The nonlinear solver in the current timestep failed to converge.
Acting according to the parameter 'Nonlinear solver failure strategy'...
Continuing to the next timestep even though solution is not fully converged.
   Postprocessing:
     Writing graphical output:  output-global_melt/solution/solution-00001
     Compositions min/max/mass: 0/0/0 // 0/0/0
     RMS, max velocity:         0.0011 m/year, 0.003 m/year
     Temperature min/avg/max:   293 K, 2023 K, 3700 K

Termination requested by criterion: end time




WARNING: During this computation 2 nonlinear solver failures occurred!
