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 processes 8 type: bdf 9 Order=2 10 maximum time=0.5 11 total number of nonlinear solver iterations=93 12 total number of linear solver iterations=93 13 total number of nonlinear solve failures=0 14 total number of rejected steps=0 15 using relative error tolerance of 1e-06, using absolute error tolerance of 1e-06 16 TSAdapt Object: 1 MPI processes 17 type: dsp 18 safety factor 0.9 19 extra safety factor after step rejection 1. 20 clip fastest increase 2. 21 clip fastest decrease 0.1 22 maximum allowed timestep 1e+20 23 minimum allowed timestep 1e-20 24 maximum solution absolute value to be ignored -1. 25 filter parameters kBeta=[0.6,-0.2,0.] Alpha=[0.,0.] 26 SNES Object: 1 MPI processes 27 type: newtonls 28 maximum iterations=50, maximum function evaluations=10000 29 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 30 total number of linear solver iterations=6 31 total number of function evaluations=7 32 norm schedule ALWAYS 33 SNESLineSearch Object: 1 MPI processes 34 type: bt 35 interpolation: cubic 36 alpha=1.000000e-04 37 maxstep=1.000000e+08, minlambda=1.000000e-12 38 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 39 maximum iterations=40 40 KSP Object: 1 MPI processes 41 type: gmres 42 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 43 happy breakdown tolerance 1e-30 44 maximum iterations=10000, initial guess is zero 45 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 46 left preconditioning 47 using PRECONDITIONED norm type for convergence test 48 PC Object: 1 MPI processes 49 type: ilu 50 out-of-place factorization 51 0 levels of fill 52 tolerance for zero pivot 2.22045e-14 53 matrix ordering: natural 54 factor fill ratio given 1., needed 1. 55 Factored matrix follows: 56 Mat Object: 1 MPI processes 57 type: seqaij 58 rows=2, cols=2 59 package used to perform factorization: petsc 60 total: nonzeros=4, allocated nonzeros=4 61 using I-node routines: found 1 nodes, limit used is 5 62 linear system matrix = precond matrix: 63 Mat Object: 1 MPI processes 64 type: seqaij 65 rows=2, cols=2 66 total: nonzeros=4, allocated nonzeros=4 67 total number of mallocs used during MatSetValues calls=0 68 using I-node routines: found 1 nodes, limit used is 5 69steps 20, ftime 0.504523 70Vec Object: 1 MPI processes 71 type: seq 72-0.881713 73-2.06852 74