grid_extreme.out:  PROBLEM  ConvFail 1, Temp not converged itr 1 zone 0 fnzone 4.01 Te=3.0001e+02 Htot=1.703e-08 Ctot=1.691e-08 rel err=6.543e-03 rel tol:5.000e-03
grid_extreme.out:  PROBLEM  ConvFail 1, Temp not converged itr 1 zone 1 fnzone 5.07 Te=3.0001e+02 Htot=1.703e-08 Ctot=1.694e-08 rel err=5.262e-03 rel tol:5.000e-03
grid_extreme.out:  PROBLEM  ConvFail 2, Temp not converged itr 2 zone 0 fnzone 3.55 Te=3.0001e+02 Htot=1.704e-08 Ctot=1.716e-08 rel err=-7.436e-03 rel tol:5.000e-03
grid_extreme.out:  PROBLEM  ConvFail 3, Temp not converged itr 2 zone 0 fnzone 3.65 Te=3.0001e+02 Htot=1.704e-08 Ctot=1.716e-08 rel err=-7.443e-03 rel tol:5.000e-03
grid_extreme.out:  PROBLEM  ConvFail 1, Temp not converged itr 2 zone 1 fnzone 4.31 Te=3.0001e+02 Htot=1.703e-08 Ctot=1.691e-08 rel err=6.537e-03 rel tol:5.000e-03