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Number of active cells: 4 (on 2 levels)
Number of degrees of freedom: 134 (50+9+25+25+25)

*** Timestep 0:  t=0 years, dt=0 years
   Solving temperature system... 0 iterations.
   Solving porosity system ... 0 iterations.
   Skipping bound_fluid composition solve because RHS is zero.
   Solving Stokes system (GMG)... 6+0 iterations.
      Relative nonlinear residuals (temperature, compositional fields, Stokes system): 6.2054e-17, 1.34414e-16, 0, 1.00007
      Relative nonlinear residual (total system) after nonlinear iteration 1: 1.00007


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-darcy_convection_step/solution/solution-00000

*** Timestep 1:  t=100.017 years, dt=100.017 years
   Solving composition reactions... in 1 substep(s).
   Solving temperature system... 0 iterations.
   Solving porosity system ... 0 iterations.
   Skipping bound_fluid composition solve because RHS is zero.
   Solving Stokes system (GMG)... 0+0 iterations.
      Relative nonlinear residuals (temperature, compositional fields, Stokes system): 1.24886e-16, 1.30786e-16, 0, 1.54323e-08
      Relative nonlinear residual (total system) after nonlinear iteration 1: 1.54323e-08


   Postprocessing:

*** Timestep 2:  t=200 years, dt=99.9833 years
   Solving composition reactions... in 1 substep(s).
   Solving temperature system... 0 iterations.
   Solving porosity system ... 0 iterations.
   Skipping bound_fluid composition solve because RHS is zero.
   Solving Stokes system (GMG)... 0+0 iterations.
      Relative nonlinear residuals (temperature, compositional fields, Stokes system): 1.5766e-16, 4.62514e-16, 0, 1.54323e-08
      Relative nonlinear residual (total system) after nonlinear iteration 1: 1.54323e-08


   Postprocessing:

Termination requested by criterion: end time


+----------------------------------------------+------------+------------+
+----------------------------------+-----------+------------+------------+
+----------------------------------+-----------+------------+------------+


WARNING: During this computation 1 nonlinear solver failures occurred!
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