1TS Object: 1 MPI process 2 type: rosw 3 Rosenbrock-W ra34pw2 4 Abscissa of A = 0.000000 0.871733 0.731580 1.000000 5 Abscissa of A+Gamma = 0.435867 0.871733 0.731580 1.000000 6 initial time step=0.001 7 maximum steps=1000 8 maximum time=20. 9 maximum number of step rejections=10 10 maximum number of SNES failures allowed=1 11 total number of I function evaluations=144 12 total number of I Jacobian evaluations=18 13 total number of nonlinear solver iterations=72 14 total number of linear solver iterations=72 15 total number of linear solve failures=0 16 total number of rejected steps=3 17 using relative error tolerance of 0.0001, using absolute error tolerance of 0.0001 18 TSAdapt Object: 1 MPI process 19 type: basic 20 safety factor 0.9 21 extra safety factor after step rejection 0.5 22 clip fastest increase 10. 23 clip fastest decrease 0.1 24 maximum allowed timestep 1e+20 25 minimum allowed timestep 1e-20 26 maximum solution absolute value to be ignored -1. 27 SNES Object: 1 MPI process 28 type: ksponly 29 maximum iterations=50, maximum function evaluations=10000 30 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 31 total number of linear solver iterations=1 32 total number of function evaluations=2 33 norm schedule ALWAYS 34 Jacobian is applied matrix-free with differencing 35 KSP Object: 1 MPI process 36 type: gmres 37 restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement 38 happy breakdown tolerance=1e-30 39 maximum iterations=10000, initial guess is zero 40 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 41 left preconditioning 42 using PRECONDITIONED norm type for convergence test 43 PC Object: 1 MPI process 44 type: ilu 45 out-of-place factorization 46 0 levels of fill 47 tolerance for zero pivot 2.22045e-14 48 matrix ordering: external 49 factor fill ratio given 0., needed 0. 50 Factored matrix: 51 Mat Object: 1 MPI process 52 type: seqdense 53 rows=3, cols=3 54 package used to perform factorization: petsc 55 total: nonzeros=9, allocated nonzeros=9 56 linear system matrix, followed by the matrix used to construct the preconditioner: 57 Mat Object: 1 MPI process 58 type: mffd 59 rows=3, cols=3 60 Matrix-free approximation: 61 err=1.49012e-08 (relative error in function evaluation) 62 Using wp compute h routine 63 Does not compute normU 64 Mat Object: 1 MPI process 65 type: seqdense 66 rows=3, cols=3 67 total: nonzeros=9, allocated nonzeros=9 68 total number of mallocs used during MatSetValues calls=0 69