lid velocity = 0.0625, prandtl # = 1., grashof # = 1.
  Linear solve converged due to CONVERGED_RTOL iterations 6
  Linear solve did not converge due to DIVERGED_PCSETUP_FAILED iterations 0
                 PCSETUP_FAILED due to FACTOR_NUMERIC_ZEROPIVOT 
Nonlinear solve did not converge due to DIVERGED_LINEAR_SOLVE iterations 1
