1 Customized KSP converged reason view
2 Converged due to CONVERGED_RTOL
3 Customized KSP converged reason view
4 Converged due to CONVERGED_RTOL
5 Customized KSP converged reason view
6 Converged due to CONVERGED_RTOL
7Customized SNES converged reason view
8 Converged due to CONVERGED_FNORM_ABS
9