1[0.0] 0 TS 0.000000 (dt = 0.001000) X 0.000000e+00 0.000000e+00 2[0.1] 9 TS 0.109097 (dt = 0.033863) X -1.767090e+00 -2.302659e+00 3[0.2] 12 TS 0.216172 (dt = 0.037715) X -1.539539e+00 -2.248191e+00 4[0.3] 15 TS 0.328946 (dt = 0.036756) X -1.317536e+00 -2.191679e+00 5[0.4] 17 TS 0.401712 (dt = 0.035172) X -1.101300e+00 -2.132851e+00 6[0.5] 20 TS 0.504523 (dt = 0.032431) X -8.910767e-01 -2.071367e+00 7TS Object: 1 MPI process 8 type: bdf 9 Order=2 10 maximum time=0.5 11 total number of I function evaluations=114 12 total number of I Jacobian evaluations=93 13 total number of nonlinear solver iterations=93 14 total number of linear solver iterations=93 15 total number of nonlinear solve failures=0 16 total number of rejected steps=0 17 using relative error tolerance of 1e-06, using absolute error tolerance of 1e-06 18 TSAdapt Object: 1 MPI process 19 type: dsp 20 safety factor 0.9 21 extra safety factor after step rejection 1. 22 clip fastest increase 2. 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 filter parameters kBeta=[0.6,-0.2,0.] Alpha=[0.,0.] 28 SNES Object: 1 MPI process 29 type: newtonls 30 maximum iterations=50, maximum function evaluations=10000 31 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 32 total number of linear solver iterations=6 33 total number of function evaluations=7 34 norm schedule ALWAYS 35 SNESLineSearch Object: 1 MPI process 36 type: bt 37 interpolation: cubic 38 alpha=1.000000e-04 39 maxlambda=1.000000e+00, minlambda=1.000000e-12 40 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 41 maximum iterations=40 42 KSP Object: 1 MPI process 43 type: gmres 44 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 45 happy breakdown tolerance 1e-30 46 maximum iterations=10000, initial guess is zero 47 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 48 left preconditioning 49 using PRECONDITIONED norm type for convergence test 50 PC Object: 1 MPI process 51 type: ilu 52 out-of-place factorization 53 0 levels of fill 54 tolerance for zero pivot 2.22045e-14 55 matrix ordering: natural 56 factor fill ratio given 1., needed 1. 57 Factored matrix follows: 58 Mat Object: 1 MPI process 59 type: seqaij 60 rows=2, cols=2 61 package used to perform factorization: petsc 62 total: nonzeros=4, allocated nonzeros=4 63 using I-node routines: found 1 nodes, limit used is 5 64 linear system matrix = precond matrix: 65 Mat Object: 1 MPI process 66 type: seqaij 67 rows=2, cols=2 68 total: nonzeros=4, allocated nonzeros=4 69 total number of mallocs used during MatSetValues calls=0 70 using I-node routines: found 1 nodes, limit used is 5 71steps 20, ftime 0.504523 72Vec Object: 1 MPI process 73 type: seq 74-0.881713 75-2.06852 76