10 TS dt 0.0001 time 0. 21 TS dt 0.001 time 0.0001 32 TS dt 0.01 time 0.0011 43 TS dt 0.1 time 0.0111 54 TS dt 1. time 0.1111 65 TS dt 10. time 1.1111 76 TS dt 10.0561 time 11.1111 87 TS dt 11.8335 time 21.1672 98 TS dt 11.1992 time 33.0007 109 TS dt 14.2984 time 44.2 1110 TS dt 17.4936 time 58.4984 1211 TS dt 22.1151 time 75.992 1312 TS dt 29.4669 time 98.1071 1413 TS dt 34.1746 time 127.574 1514 TS dt 39.5697 time 161.749 1615 TS dt 36.3786 time 195.719 1716 TS dt 33.4997 time 232.098 1817 TS dt 35.9743 time 265.597 1918 TS dt 44.9934 time 301.572 2019 TS dt 49.3358 time 346.565 2120 TS dt 69.319 time 395.901 2221 TS dt 57.2954 time 439.857 2322 TS dt 46.6912 time 476.653 2423 TS dt 42.4492 time 523.345 25TS Object: 1 MPI process 26 type: arkimex 27 ARK IMEX 3 28 Stiff abscissa ct = 0.000000 0.871733 0.600000 1.000000 29 Fully implicit: yes 30 Stiffly accurate: yes 31 Explicit first stage: yes 32 FSAL property: yes 33 Nonstiff abscissa c = 0.000000 0.871733 0.600000 1.000000 34 initial time step=0.0001 35 maximum time=500. 36 maximum number of step rejections=10 37 maximum number of SNES failures allowed=1 38 total number of RHS function evaluations=368 39 total number of RHS Jacobian evaluations=264 40 total number of nonlinear solver iterations=264 41 total number of linear solver iterations=1418 42 total number of nonlinear solve failures=0 43 total number of rejected steps=3 44 using relative error tolerance of 0.0001, using absolute error tolerance of 0.0001 45 TSAdapt Object: 1 MPI process 46 type: basic 47 safety factor 0.9 48 extra safety factor after step rejection 0.5 49 clip fastest increase 10. 50 clip fastest decrease 0.1 51 maximum allowed timestep 1e+20 52 minimum allowed timestep 1e-20 53 maximum solution absolute value to be ignored -1. 54 SNES Object: 1 MPI process 55 type: newtonls 56 maximum iterations=50, maximum function evaluations=10000 57 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 58 total number of linear solver iterations=35 59 total number of function evaluations=6 60 norm schedule ALWAYS 61 SNESLineSearch Object: 1 MPI process 62 type: bt 63 interpolation: cubic 64 alpha=1.000000e-04 65 maxlambda=1.000000e+00, minlambda=1.000000e-12 66 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 67 maximum iterations=40 68 KSP Object: 1 MPI process 69 type: gmres 70 restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement 71 happy breakdown tolerance=1e-30 72 maximum iterations=10000, initial guess is zero 73 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 74 left preconditioning 75 using PRECONDITIONED norm type for convergence test 76 PC Object: 1 MPI process 77 type: ilu 78 out-of-place factorization 79 0 levels of fill 80 tolerance for zero pivot 2.22045e-14 81 matrix ordering: natural 82 factor fill ratio given 1., needed 1. 83 Factored matrix: 84 Mat Object: 1 MPI process 85 type: seqaij 86 rows=8450, cols=8450, bs=2 87 package used to perform factorization: petsc 88 total: nonzeros=84500, allocated nonzeros=84500 89 using I-node routines: found 4225 nodes, limit used is 5 90 linear system matrix, which is also used to construct the preconditioner: 91 Mat Object: 1 MPI process 92 type: seqaij 93 rows=8450, cols=8450, bs=2 94 total: nonzeros=84500, allocated nonzeros=84500 95 total number of mallocs used during MatSetValues calls=0 96 using I-node routines: found 4225 nodes, limit used is 5 97