1lid velocity = 0.0625, prandtl # = 1., grashof # = 1. 2SNES Object: 1 MPI process 3 type: newtonls 4 maximum iterations=50, maximum function evaluations=10000 5 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 6 total number of linear solver iterations=2 7 total number of function evaluations=3 8 norm schedule ALWAYS 9 Jacobian is built using colored finite differences on a DMDA 10 SNESLineSearch Object: 1 MPI process 11 type: bt 12 interpolation: cubic 13 alpha=1.000000e-04 14 maxlambda=1.000000e+00, minlambda=1.000000e-12 15 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 16 maximum iterations=40 17 KSP Object: 1 MPI process 18 type: gmres 19 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 20 happy breakdown tolerance 1e-30 21 maximum iterations=10000, initial guess is zero 22 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 23 left preconditioning 24 using PRECONDITIONED norm type for convergence test 25 PC Object: 1 MPI process 26 type: asm 27 total subdomain blocks = 1, amount of overlap = 1 28 restriction/interpolation type - RESTRICT 29 Local solver information for first block is in the following KSP and PC objects on rank 0: 30 Use -ksp_view ::ascii_info_detail to display information for all blocks 31 KSP Object: (sub_) 1 MPI process 32 type: preonly 33 maximum iterations=10000, initial guess is zero 34 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 35 left preconditioning 36 not checking for convergence 37 PC Object: (sub_) 1 MPI process 38 type: ilu 39 out-of-place factorization 40 0 levels of fill 41 tolerance for zero pivot 2.22045e-14 42 matrix ordering: external 43 factor fill ratio given 0., needed 0. 44 Factored matrix follows: 45 Mat Object: (sub_) 1 MPI process 46 type: seqdense 47 rows=64, cols=64 48 package used to perform factorization: petsc 49 total: nonzeros=4096, allocated nonzeros=4096 50 linear system matrix = precond matrix: 51 Mat Object: (sub_) 1 MPI process 52 type: seqdense 53 rows=64, cols=64 54 total: nonzeros=4096, allocated nonzeros=4096 55 total number of mallocs used during MatSetValues calls=0 56 linear system matrix = precond matrix: 57 Mat Object: 1 MPI process 58 type: seqaij 59 rows=64, cols=64, bs=4 60 total: nonzeros=1024, allocated nonzeros=1024 61 total number of mallocs used during MatSetValues calls=0 62 using I-node routines: found 16 nodes, limit used is 5 63Number of SNES iterations = 2 64