[petsc-users] Setting SNESVI

Sun Aug 19 09:19:22 CDT 2018

This is what I get after I modify the constraints, and using lu:
0 SNES Function norm 6.839975279451e+01
0 SNES VI Function norm 68.3997 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 1
Line search: gnorm after quadratic fit 1.167382139621e+02
Line search: Cubic step no good, shrinking lambda, current gnorm 9.661035212791e+01 lambda=1.4620823686291085e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 7.872462383177e+01 lambda=1.4620823686291085e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 7.010735352812e+01 lambda=1.4620823686291087e-04
Line search: Cubic step no good, shrinking lambda, current gnorm 6.845164828370e+01 lambda=1.4620823686291088e-05
Line search: Cubic step no good, shrinking lambda, current gnorm 6.840024692820e+01 lambda=1.4620823686291089e-06
Line search: Cubically determined step, current gnorm 6.839974867692e+01 lambda=1.4620823686291089e-07
1 SNES Function norm 6.839974867692e+01
1 SNES VI Function norm 68.3997 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 1
Line search: gnorm after quadratic fit 1.313376791907e+02
Line search: Cubic step no good, shrinking lambda, current gnorm 1.102614855398e+02 lambda=1.4115774027030809e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 9.096517666290e+01 lambda=1.4115774027030810e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 7.587134084601e+01 lambda=1.4115774027030810e-04
Line search: Cubic step no good, shrinking lambda, current gnorm 6.877273920434e+01 lambda=1.4115774027030810e-05
Line search: Cubic step no good, shrinking lambda, current gnorm 6.840408582565e+01 lambda=1.4115774027030811e-06
Line search: Cubic step no good, shrinking lambda, current gnorm 6.839977811504e+01 lambda=1.4115774027030813e-07
Line search: Cubically determined step, current gnorm 6.839974761445e+01 lambda=1.7645101306134412e-08
2 SNES Function norm 6.839974761445e+01
2 SNES VI Function norm 68.3997 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 2
Line search: gnorm after quadratic fit 1.053816835919e+02
Line search: Cubic step no good, shrinking lambda, current gnorm 1.064875244204e+02 lambda=2.9620424834498244e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 8.928160190384e+01 lambda=2.9620424834498247e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 7.462621000022e+01 lambda=2.9620424834498249e-04
Line search: Cubic step no good, shrinking lambda, current gnorm 6.862607236334e+01 lambda=2.9620424834498250e-05
Line search: Cubic step no good, shrinking lambda, current gnorm 6.840219410268e+01 lambda=2.9620424834498251e-06
Line search: Cubic step no good, shrinking lambda, current gnorm 6.839975697009e+01 lambda=2.9620424834498251e-07
Line search: Cubically determined step, current gnorm 6.839974486019e+01 lambda=1.0073837635308560e-07
3 SNES Function norm 6.839974486019e+01
3 SNES VI Function norm 68.3997 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 2
Line search: gnorm after quadratic fit 1.235990792724e+02
Line search: Cubic step no good, shrinking lambda, current gnorm 1.013971718389e+02 lambda=2.3488863243422971e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 7.781731557824e+01 lambda=2.3488863243422975e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 6.872972483427e+01 lambda=2.3488863243422976e-04
Line search: Cubic step no good, shrinking lambda, current gnorm 6.840207967049e+01 lambda=2.3488863243422978e-05
Line search: Cubically determined step, current gnorm 6.839957781288e+01 lambda=4.7431867318372446e-06
4 SNES Function norm 6.839957781288e+01
4 SNES VI Function norm 68.4009 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 2
Line search: gnorm after quadratic fit 1.076412782767e+02
Line search: Cubic step no good, shrinking lambda, current gnorm 8.067259042361e+01 lambda=2.9654955573060381e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.991099677071e+01 lambda=2.9654955573060384e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 6.841319422751e+01 lambda=2.9654955573060385e-04
Line search: Cubically determined step, current gnorm 6.839661391957e+01 lambda=8.6072251116571315e-05
5 SNES Function norm 6.839661391957e+01
5 SNES VI Function norm 68.4308 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 2
Line search: gnorm after quadratic fit 9.167521781305e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 8.101349837507e+01 lambda=6.4300240519536755e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 7.041475585659e+01 lambda=6.6547102741568651e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 6.844705599568e+01 lambda=6.6547102741568653e-04
Line search: Cubically determined step, current gnorm 6.839121015135e+01 lambda=1.4965127147397144e-04
6 SNES Function norm 6.839121015135e+01
6 SNES VI Function norm 68.5745 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 3
Line search: gnorm after quadratic fit 9.587731188484e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 8.197287845440e+01 lambda=5.2775823101139679e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.940305546680e+01 lambda=5.2775823101139686e-03
Line search: Cubically determined step, current gnorm 6.837177518619e+01 lambda=6.3969948101878912e-04
7 SNES Function norm 6.837177518619e+01
7 SNES VI Function norm 71.0652 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 3
Line search: gnorm after quadratic fit 9.548865181502e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.876974019161e+01 lambda=5.0026957605696178e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.891985531663e+01 lambda=5.1260581886742491e-03
Line search: Cubically determined step, current gnorm 6.832012833110e+01 lambda=9.3300874565775075e-04
8 SNES Function norm 6.832012833110e+01
8 SNES VI Function norm 79.8569 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 4
Line search: gnorm after quadratic fit 9.541909192352e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.493349067288e+01 lambda=5.1388541796399699e-02
Line search: Cubically determined step, current gnorm 6.781311229195e+01 lambda=7.6704381452756282e-03
9 SNES Function norm 6.781311229195e+01
9 SNES VI Function norm 206.467 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 6
Line search: gnorm after quadratic fit 9.394254710662e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.306526091645e+01 lambda=5.3539445292607950e-02
Line search: Cubically determined step, current gnorm 6.721835250392e+01 lambda=9.5561464381222188e-03
10 SNES Function norm 6.721835250392e+01
10 SNES VI Function norm 368.277 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 7
Line search: gnorm after quadratic fit 9.387716261564e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.070868333837e+01 lambda=4.9443994240769853e-02
Line search: Cubically determined step, current gnorm 6.660967991379e+01 lambda=1.0810468882260445e-02
11 SNES Function norm 6.660967991379e+01
11 SNES VI Function norm 567.089 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 9
Line search: gnorm after quadratic fit 9.346306901087e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.048649174104e+01 lambda=4.9192073733008407e-02
Line search: Cubically determined step, current gnorm 6.608645472517e+01 lambda=1.0044112192046832e-02
12 SNES Function norm 6.608645472517e+01
12 SNES VI Function norm 734.752 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 8
Line search: gnorm after quadratic fit 9.452595067062e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.208837086000e+01 lambda=4.5128845776024190e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.800731174084e+01 lambda=6.5132735322282484e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 6.634685717588e+01 lambda=6.5132735322282484e-04
Line search: Cubically determined step, current gnorm 6.608637269301e+01 lambda=6.5132735322282487e-05
13 SNES Function norm 6.608637269301e+01
13 SNES VI Function norm 735.814 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 8
Line search: gnorm after quadratic fit 9.318693996551e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.139943393009e+01 lambda=4.8118075850982413e-02
Line search: Cubically determined step, current gnorm 6.568600823304e+01 lambda=7.8756632431255542e-03
14 SNES Function norm 6.568600823304e+01
14 SNES VI Function norm 881.479 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 9
Line search: gnorm after quadratic fit 9.242424276014e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.226307852468e+01 lambda=4.8021995541678457e-02
Line search: Cubically determined step, current gnorm 6.540144178550e+01 lambda=6.6931701304969058e-03
15 SNES Function norm 6.540144178550e+01
15 SNES VI Function norm 1006.28 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 10
Line search: gnorm after quadratic fit 9.154992244384e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.122067564574e+01 lambda=5.0277415210907568e-02
Line search: Cubically determined step, current gnorm 6.506969399500e+01 lambda=7.8660529387648906e-03
16 SNES Function norm 6.506969399500e+01
16 SNES VI Function norm 1131.4 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 10
Line search: gnorm after quadratic fit 9.263744099217e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.045825559590e+01 lambda=4.3976587783298791e-02
Line search: Cubically determined step, current gnorm 6.477740872258e+01 lambda=6.6653314620139965e-03
17 SNES Function norm 6.477740872258e+01
17 SNES VI Function norm 1252.29 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 10
Line search: gnorm after quadratic fit 9.034042193429e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.097176730586e+01 lambda=4.9082849797732621e-02
Line search: Cubically determined step, current gnorm 6.448770943479e+01 lambda=7.1730414269226593e-03
18 SNES Function norm 6.448770943479e+01
18 SNES VI Function norm 1371.72 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 10
Line search: gnorm after quadratic fit 9.028256513212e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.990381886066e+01 lambda=4.4193294185915478e-02
Line search: Cubically determined step, current gnorm 6.422123220407e+01 lambda=6.6250183714544201e-03
19 SNES Function norm 6.422123220407e+01
19 SNES VI Function norm 1490.87 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 10
Line search: gnorm after quadratic fit 8.908334154738e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.060161630260e+01 lambda=4.6452357120490895e-02
Line search: Cubically determined step, current gnorm 6.411445689017e+01 lambda=6.3417192629449783e-03
20 SNES Function norm 6.411445689017e+01
20 SNES VI Function norm 1597.29 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 8.460267552084e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.051195181220e+01 lambda=5.8933530173091400e-02
Line search: Cubically determined step, current gnorm 6.379276529842e+01 lambda=9.2451193719573169e-03
21 SNES Function norm 6.379276529842e+01
21 SNES VI Function norm 1729.35 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 10
Line search: gnorm after quadratic fit 8.847710713735e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.007434740347e+01 lambda=4.8620669909360585e-02
Line search: Cubically determined step, current gnorm 6.358026444281e+01 lambda=6.8922394760267177e-03
22 SNES Function norm 6.358026444281e+01
22 SNES VI Function norm 1849.77 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 10
Line search: gnorm after quadratic fit 9.435581241699e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.335475468652e+01 lambda=3.2814238215953598e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.652843583618e+01 lambda=3.2814238215953598e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 6.529985391051e+01 lambda=3.2814238215953602e-04
Line search: Cubic step no good, shrinking lambda, current gnorm 6.366726270581e+01 lambda=3.2814238215953603e-05
Line search: Cubic step no good, shrinking lambda, current gnorm 6.358115196460e+01 lambda=3.2814238215953603e-06
Line search: Cubically determined step, current gnorm 6.358025861312e+01 lambda=3.2814238215953605e-07
23 SNES Function norm 6.358025861312e+01
23 SNES VI Function norm 1849.78 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 10
Line search: gnorm after quadratic fit 8.812900895448e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.822426303212e+01 lambda=4.8421685266110105e-02
Line search: Cubically determined step, current gnorm 6.335842666537e+01 lambda=8.4588034499471741e-03
24 SNES Function norm 6.335842666537e+01
24 SNES VI Function norm 1993.6 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 9.094159193064e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.742173830047e+01 lambda=4.3243453252109078e-02
Line search: Cubically determined step, current gnorm 6.316236273224e+01 lambda=7.7494584282214512e-03
25 SNES Function norm 6.316236273224e+01
25 SNES VI Function norm 2126.62 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 9.160540289460e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.722886652974e+01 lambda=4.1792497999647044e-02
Line search: Cubically determined step, current gnorm 6.300020419956e+01 lambda=7.3335939016311632e-03
26 SNES Function norm 6.300020419956e+01
26 SNES VI Function norm 2252.12 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 10
Line search: gnorm after quadratic fit 8.890109786397e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.686097246249e+01 lambda=4.7041389395739201e-02
Line search: Cubically determined step, current gnorm 6.283084254493e+01 lambda=9.0792221408297433e-03
27 SNES Function norm 6.283084254493e+01
27 SNES VI Function norm 2404.84 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 8.998798828268e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.576469464321e+01 lambda=4.2887406731046039e-02
Line search: Cubically determined step, current gnorm 6.266968273817e+01 lambda=9.2948647727201898e-03
28 SNES Function norm 6.266968273817e+01
28 SNES VI Function norm 2558.11 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 9.199146621649e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.564298288247e+01 lambda=4.0193768728643060e-02
Line search: Cubically determined step, current gnorm 6.252861090423e+01 lambda=8.3932894622200105e-03
29 SNES Function norm 6.252861090423e+01
29 SNES VI Function norm 2698.56 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 9.382191898563e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.772162800128e+01 lambda=3.5914901407691102e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.485302824556e+01 lambda=4.7901702628153379e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 6.285215446174e+01 lambda=4.7901702628153379e-04
Line search: Cubic step no good, shrinking lambda, current gnorm 6.253029194340e+01 lambda=4.7901702628153380e-05
Line search: Cubically determined step, current gnorm 6.252812967035e+01 lambda=1.5127710264417741e-05
30 SNES Function norm 6.252812967035e+01
30 SNES VI Function norm 2698.83 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 9.118652411357e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.495202040381e+01 lambda=4.0596953253201326e-02
Line search: Cubically determined step, current gnorm 6.239041273754e+01 lambda=9.5128837682561859e-03
31 SNES Function norm 6.239041273754e+01
31 SNES VI Function norm 2854.38 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 9.077825361440e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.467284344645e+01 lambda=4.0583557291813177e-02
Line search: Cubically determined step, current gnorm 6.225884047363e+01 lambda=9.7846838097028124e-03
32 SNES Function norm 6.225884047363e+01
32 SNES VI Function norm 3012.55 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 8.920999190500e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.466103609666e+01 lambda=4.2498592612658738e-02
Line search: Cubically determined step, current gnorm 6.213582712328e+01 lambda=1.0171220001350099e-02
33 SNES Function norm 6.213582712328e+01
33 SNES VI Function norm 3175.23 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 9.011924620812e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.495110751676e+01 lambda=4.2453491229013124e-02
Line search: Cubically determined step, current gnorm 6.201636649414e+01 lambda=9.3685443832871688e-03
34 SNES Function norm 6.201636649414e+01
34 SNES VI Function norm 3322.22 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 9.006024690051e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.414041989575e+01 lambda=4.0940226638739433e-02
Line search: Cubically determined step, current gnorm 6.190218472271e+01 lambda=1.0273994032172384e-02
35 SNES Function norm 6.190218472271e+01
35 SNES VI Function norm 3484.25 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 8.898991234613e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.426189506521e+01 lambda=4.3426020819675164e-02
Line search: Cubically determined step, current gnorm 6.178678684779e+01 lambda=1.0559984512509757e-02
36 SNES Function norm 6.178678684779e+01
36 SNES VI Function norm 3648.36 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 8.648025040907e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.404650680722e+01 lambda=4.6749921483990771e-02
Line search: Cubically determined step, current gnorm 6.165099494681e+01 lambda=1.1866483746353381e-02
37 SNES Function norm 6.165099494681e+01
37 SNES VI Function norm 3822.88 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 8.858076523292e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.520416756669e+01 lambda=4.2063577748779259e-02
Line search: Cubically determined step, current gnorm 6.152598711257e+01 lambda=7.9475995139781722e-03
38 SNES Function norm 6.152598711257e+01
38 SNES VI Function norm 3944.22 Active lower constraints 0/0 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 8.742192022113e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.343055909293e+01 lambda=3.8810591937350140e-02
Line search: Cubically determined step, current gnorm 6.135131913134e+01 lambda=9.8750504088198892e-03
39 SNES Function norm 6.135131913134e+01
39 SNES VI Function norm 4066.15 Active lower constraints 0/1 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 9.286112632409e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 7.061265007302e+01 lambda=2.9694426041134040e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.436749315348e+01 lambda=2.9694426041134044e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 6.299789903123e+01 lambda=2.9694426041134044e-04
Line search: Cubic step no good, shrinking lambda, current gnorm 6.141298285103e+01 lambda=2.9694426041134044e-05
Line search: Cubically determined step, current gnorm 6.135130530880e+01 lambda=2.9694426041134044e-06
40 SNES Function norm 6.135130530880e+01
40 SNES VI Function norm 4066.23 Active lower constraints 0/1 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 8.660062754407e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.674944119178e+01 lambda=4.3170190544802138e-02
Line search: Cubically determined step, current gnorm 6.120973541057e+01 lambda=6.1770273873522300e-03
41 SNES Function norm 6.120973541057e+01
41 SNES VI Function norm 4152.83 Active lower constraints 0/1 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 8.564645091492e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.676153862982e+01 lambda=4.4220462778047379e-02
Line search: Cubically determined step, current gnorm 6.104393345352e+01 lambda=6.3589031499342100e-03
42 SNES Function norm 6.104393345352e+01
42 SNES VI Function norm 4233.82 Active lower constraints 0/1 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 8.368658054045e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.715427252993e+01 lambda=4.7003756543045970e-02
Line search: Cubically determined step, current gnorm 6.101753259623e+01 lambda=6.3787492486959132e-03
43 SNES Function norm 6.101753259623e+01
43 SNES VI Function norm 4314.49 Active lower constraints 0/1 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 8.442307716417e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.496496980051e+01 lambda=4.5726539795380154e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.142635208964e+01 lambda=8.4157732414286580e-03
Line search: Cubically determined step, current gnorm 6.095430498328e+01 lambda=2.1294466610363495e-03
44 SNES Function norm 6.095430498328e+01
44 SNES VI Function norm 4341.47 Active lower constraints 0/1 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 12
Line search: gnorm after quadratic fit 8.439891204437e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.240254752159e+01 lambda=4.3289599290802970e-02
Line search: Cubically determined step, current gnorm 6.081365387079e+01 lambda=1.2916446928212236e-02
45 SNES Function norm 6.081365387079e+01
45 SNES VI Function norm 4500.53 Active lower constraints 0/1 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 9.664056729635e+01
Line search: Cubic step no good, shrinking lambda, current gnorm 6.944851102419e+01 lambda=1.8635858087631831e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.394837998027e+01 lambda=1.8635858087631832e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 6.278442438314e+01 lambda=1.8635858087631834e-04
Line search: Cubic step no good, shrinking lambda, current gnorm 6.093400706607e+01 lambda=1.8635858087631834e-05
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081489139942e+01 lambda=1.8635858087631835e-06
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365630503e+01 lambda=1.8635858087631836e-07
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365482998e+01 lambda=7.3438624052552081e-08
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365418254e+01 lambda=2.3870801624167493e-08
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365397577e+01 lambda=8.0330117961387493e-09
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365390593e+01 lambda=2.6874115312641255e-09
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365388261e+01 lambda=8.9982494953058537e-10
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387467e+01 lambda=3.0083351315759278e-10
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387219e+01 lambda=1.0110298276678126e-10
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387129e+01 lambda=3.3292703628714462e-11
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387093e+01 lambda=1.0739379834615402e-11
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387083e+01 lambda=3.6237724732408161e-12
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387082e+01 lambda=1.2456833192766385e-12
Line search: Cubically determined step, current gnorm 6.081365387079e+01 lambda=3.5247146389212346e-13
46 SNES Function norm 6.081365387079e+01
46 SNES VI Function norm 4500.53 Active lower constraints 0/1 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 1.433547268242e+03
Line search: Cubic step no good, shrinking lambda, current gnorm 7.106740636849e+01 lambda=2.4859604812085913e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.525497375887e+01 lambda=7.2498301889276232e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 6.367730849091e+01 lambda=7.2498301889276236e-04
Line search: Cubic step no good, shrinking lambda, current gnorm 6.174333248068e+01 lambda=7.2498301889276242e-05
Line search: Cubic step no good, shrinking lambda, current gnorm 6.083400168850e+01 lambda=7.2498301889276242e-06
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081378891362e+01 lambda=7.2498301889276242e-07
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365527548e+01 lambda=1.0753239548189211e-07
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365445012e+01 lambda=4.4350670800939511e-08
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365407923e+01 lambda=1.5953160232199837e-08
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365394762e+01 lambda=5.8822684037182187e-09
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365389903e+01 lambda=2.1599843490971948e-09
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365388111e+01 lambda=7.9357831777119289e-10
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387457e+01 lambda=2.9181178721013368e-10
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387223e+01 lambda=1.0733281860745436e-10
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387132e+01 lambda=3.9236995040615546e-11
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387106e+01 lambda=1.4351792294805992e-11
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387081e+01 lambda=4.8683006404131606e-12
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387087e+01 lambda=2.0863028416245319e-12
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387080e+01 lambda=5.3058618006527772e-13
Line search: unable to find good step length! After 19 tries
Line search: fnorm=6.0813653870787959e+01, gnorm=6.0813653870799314e+01, ynorm=7.0504021074247237e+02, minlambda=9.9999999999999998e-13, lambda=5.3058618006527772e-13, initial slope=-4.7232673282579080e+03
47 SNES Function norm 6.081365387079e+01
47 SNES VI Function norm 4500.53 Active lower constraints 0/1 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 1.280890413731e+02
Line search: Cubic step no good, shrinking lambda, current gnorm 7.053050135324e+01 lambda=2.2733898438250671e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.399979736493e+01 lambda=2.2733898438250673e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 6.297299206174e+01 lambda=2.2733898438250674e-04
Line search: Cubic step no good, shrinking lambda, current gnorm 6.098427084652e+01 lambda=2.2733898438250677e-05
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081555475063e+01 lambda=2.2733898438250679e-06
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365745105e+01 lambda=2.2733898438250681e-07
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365507363e+01 lambda=9.2077672155667702e-08
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365429323e+01 lambda=3.2329991301020441e-08
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365402243e+01 lambda=1.1595563414967544e-08
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365392495e+01 lambda=4.1432803927719340e-09
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365389024e+01 lambda=1.4815603373453140e-09
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387781e+01 lambda=5.2922825349649990e-10
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387324e+01 lambda=1.8866396505817014e-10
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387173e+01 lambda=6.7568116386381729e-11
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387107e+01 lambda=2.3800109593117919e-11
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387094e+01 lambda=8.6880387507986266e-12
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387083e+01 lambda=2.8858967256610185e-12
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387082e+01 lambda=1.0348935437400166e-12
Line search: Cubically determined step, current gnorm 6.081365387077e+01 lambda=2.7070538024707468e-13
48 SNES Function norm 6.081365387077e+01
48 SNES VI Function norm 4500.53 Active lower constraints 0/1 upper constraints 0/0 Percent of total 0. Percent of bounded 0.
Linear solve converged due to CONVERGED_RTOL iterations 11
Line search: gnorm after quadratic fit 1.170943716019e+02
Line search: Cubic step no good, shrinking lambda, current gnorm 7.038597782185e+01 lambda=2.2207476459146142e-02
Line search: Cubic step no good, shrinking lambda, current gnorm 6.399318571001e+01 lambda=2.2207476459146142e-03
Line search: Cubic step no good, shrinking lambda, current gnorm 6.295164029113e+01 lambda=2.2207476459146143e-04
Line search: Cubic step no good, shrinking lambda, current gnorm 6.097743654776e+01 lambda=2.2207476459146143e-05
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081546079136e+01 lambda=2.2207476459146144e-06
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365719872e+01 lambda=2.2207476459146145e-07
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365503919e+01 lambda=9.0117449908413481e-08
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365427749e+01 lambda=3.1364523245356123e-08
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365401596e+01 lambda=1.1183735694685806e-08
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365392232e+01 lambda=3.9706025565052754e-09
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365388909e+01 lambda=1.4107330444508480e-09
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387724e+01 lambda=5.0110371464381371e-10
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387308e+01 lambda=1.7820909495605996e-10
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387164e+01 lambda=6.3314737242538209e-11
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387114e+01 lambda=2.2207910898013729e-11
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387085e+01 lambda=7.4515329000007742e-12
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387082e+01 lambda=2.7872933392432575e-12
Line search: Cubic step no good, shrinking lambda, current gnorm 6.081365387083e+01 lambda=8.8269934321345058e-13
Line search: unable to find good step length! After 18 tries
Line search: fnorm=6.0813653870766274e+01, gnorm=6.0813653870831025e+01, ynorm=7.0578565675503091e+02, minlambda=9.9999999999999998e-13, lambda=8.8269934321345058e-13, initial slope=-3.8123379550451641e+03
Nonlinear solve did not converge due to DIVERGED_LINE_SEARCH iterations 48

Amir
On Aug 18 2018, at 11:42 pm, Smith, Barry F. <bsmith at mcs.anl.gov> wrote:
>
>
> -snes_monitor -snes_linesearch_monitor -pc_type lu
> produces what?
> Barry
> The line search failing means that the direction computed is not a descent direction which could be due to a bad Jacobian or inconsistent constraints.
>
> > On Aug 17, 2018, at 11:56 PM, Amir <mhbaghaei at mail.sjtu.edu.cn> wrote:
> > Hi
> > I need to apply constraint to primitive variables. I am troubling to set up SNESVI. After running the code, I feel SNES is not actually solving. After one iteration of SNES, I got DIVERGED_LINESEARCH, with NO changing in function norm.
> > I think the way I set VI maybe wrong. Sorry for my simple explanation.
> > Very thankful for your time.
> > Amir
> > SNESCreate(PETSC_COMM_WORLD,&snes);
> > SNESSetApplicationContext(snes,&user);
> > SNESSetDM(snes,user.dm);
> > SNESSetFunction(snes,NULL,FormFunction,&user);
> > FormInitialSolution(user.X,&user);
> > SNESSetSolution(snes,user.X);
> > SNESMonitorSet(snes,MySNESMonitor,&user,NULL);
> > SNESSetType(snes,SNESVINEWTONSSLS);
> > SNESSetNormSchedule(snes, SNES_NORM_ALWAYS);
> > SNESVISetVariableBounds(snes,user.XLOWER,user.XUPPER);
> > SNESGetLineSearch(snes,&linesearch);
> > SNESLineSearchSetType(linesearch,SNESLINESEARCHBT);
> > SNESLineSearchSetVIFunctions(linesearch, NULL, SNESNormFunction);
> > SNESSetFromOptions(snes);
> > SNESSolve(snes,NULL,user.X);
>
>

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