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<span style="margin:0px;font-size:12pt;color:black;background-color:rgb(255, 255, 255)">Hi all,</span><span style="background-color:rgb(255, 255, 255);display:inline !important"></span>
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I am trying to solve a set of coupled stiff ODEs in parallel using TSSUNDIALS with SUNDIALS_BDF as 'TSSundialsSetType' in PETSc. I am using a sparse Jacobian matrix of type MATMPIAIJ with no preconditioner. It runs for some time with a very small initial timestep
(~10^-18) and then terminates abruptly with the following error:</div>
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[CVODE ERROR] CVode<br>
At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
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<span style="background-color:rgb(255, 255, 255);display:inline !important">Is there anything I am missing out or not doing properly? Given below is the complete error that is showing up after the termination.</span><br>
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<span style="background-color:rgb(255, 255, 255);display:inline !important">------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------</span></div>
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<span style="background-color:rgb(255, 255, 255);display:inline !important">[CVODE ERROR] CVode
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div>[5]PETSC ERROR: </div>
<div>[CVODE ERROR] CVode</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div>[7]PETSC ERROR: </div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div>[16]PETSC ERROR: </div>
<div>[CVODE ERROR] CVode</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div><br>
</div>
<div>[CVODE ERROR] CVode</div>
At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.<br>
</span></div>
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[19]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
<div>[19]PETSC ERROR: Error in external library</div>
<div>[19]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[19]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[19]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[19]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[19]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[19]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[19]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[19]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[19]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[0]PETSC ERROR: Error in external library</div>
<div>[0]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[0]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[0]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[0]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[0]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[0]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[0]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[0]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[0]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[1]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[1]PETSC ERROR: Error in external library</div>
<div>[1]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[1]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[1]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[1]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[1]PETSC ERROR: [2]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[2]PETSC ERROR: Error in external library</div>
<div>[2]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[2]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[2]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[2]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[2]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[2]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[2]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[2]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[2]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[3]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[3]PETSC ERROR: Error in external library</div>
<div>[3]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[3]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[3]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[3]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[3]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[3]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[3]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[3]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[3]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[4]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[4]PETSC ERROR: Error in external library</div>
<div>[4]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[4]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[4]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[4]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[4]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[4]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>--------------------- Error Message --------------------------------------------------------------</div>
<div>[5]PETSC ERROR: Error in external library</div>
<div>[5]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[5]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[5]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[5]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[5]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[5]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[5]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[5]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[5]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>--------------------- Error Message --------------------------------------------------------------</div>
<div>[7]PETSC ERROR: Error in external library</div>
<div>[7]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[7]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[7]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[7]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[7]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[7]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[7]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[7]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[7]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[8]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[8]PETSC ERROR: Error in external library</div>
<div>[8]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[8]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[8]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[8]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[9]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[9]PETSC ERROR: Error in external library</div>
<div>[9]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[9]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[9]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[9]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[9]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[9]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[9]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[9]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[10]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[10]PETSC ERROR: Error in external library</div>
<div>[10]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[10]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[10]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[10]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[10]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[10]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[10]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[10]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[10]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[11]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[11]PETSC ERROR: Error in external library</div>
<div>[11]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[11]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[11]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[11]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[11]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[11]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[11]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[11]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[11]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[12]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[12]PETSC ERROR: Error in external library</div>
<div>[12]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[12]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[12]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[12]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[12]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[12]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[12]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[12]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[12]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[14]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[14]PETSC ERROR: Error in external library</div>
<div>[14]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[14]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[14]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[14]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[14]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[14]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[15]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[15]PETSC ERROR: Error in external library</div>
<div>[15]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[15]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[15]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>--------------------- Error Message --------------------------------------------------------------</div>
<div>[16]PETSC ERROR: Error in external library</div>
<div>[16]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[16]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[16]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[16]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[16]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[16]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[16]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[16]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[16]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[17]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[17]PETSC ERROR: Error in external library</div>
<div>[17]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[17]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[17]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[17]PETSC ERROR: [18]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[18]PETSC ERROR: Error in external library</div>
<div>[18]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[18]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[18]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[18]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[18]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[17]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[17]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[17]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[17]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[17]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[1]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[1]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[1]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[1]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[4]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[4]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[4]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[8]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[8]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[8]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[8]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[8]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[9]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[13]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[13]PETSC ERROR: Error in external library</div>
<div>[13]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[13]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[13]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[13]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[13]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[13]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[13]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[13]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[13]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[14]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[14]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[14]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>[15]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[15]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[15]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[15]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[15]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[15]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[18]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[18]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[18]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[18]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div> At t = 1.83912e-06 and h = 3.74248e-13, the corrector convergence test failed repeatedly or with |h| = hmin.</div>
<div><br>
</div>
<div>[6]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------</div>
<div>[6]PETSC ERROR: Error in external library</div>
<div>[6]PETSC ERROR: CVode() fails, CV_CONV_FAILURE</div>
<div>[6]PETSC ERROR: See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.</div>
<div>[6]PETSC ERROR: Petsc Release Version 3.14.5, Mar 03, 2021 </div>
<div>[6]PETSC ERROR: ./ThO2_CD2_P on a arch-linux-c-debug named bell-a027.rcac.purdue.edu by mazumder Mon Dec 6 11:45:05 2021</div>
<div>[6]PETSC ERROR: Configure options --with-cc-mpicc --with-cxx=mpicxx --with-fc=mpif90 --download-fblaslapack --download-sundials=yes --with-debugging</div>
<div>[6]PETSC ERROR: #1 TSStep_Sundials() line 156 in /home/mazumder/petsc-3.14.5/src/ts/impls/implicit/sundials/sundials.c</div>
<div>[6]PETSC ERROR: #2 TSStep() line 3759 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[6]PETSC ERROR: #3 TSSolve() line 4156 in /home/mazumder/petsc-3.14.5/src/ts/interface/ts.c</div>
<div>[6]PETSC ERROR: #4 User provided function() line 0 in User file</div>
<div>--------------------------------------------------------------------------</div>
<div>MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_SELF</div>
<div>with errorcode 76.</div>
<div><br>
</div>
<div>NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.</div>
<div>You may or may not see output from other processes, depending on</div>
<div>exactly when Open MPI kills them.</div>
<div>--------------------------------------------------------------------------</div>
<div>[bell-a027.rcac.purdue.edu:29752] 15 more processes have sent help message help-mpi-api.txt / mpi-abort</div>
[bell-a027.rcac.purdue.edu:29752] Set MCA parameter "orte_base_help_aggregate" to 0 to see all help / error messages</div>
<div style="margin:0px;font-size:12pt;color:black;background-color:rgb(255, 255, 255)">
<br>
</div>
<div style="margin:0px;font-size:12pt;color:black;background-color:rgb(255, 255, 255)">
Thanks</div>
<div style="margin:0px;font-size:12pt;color:black;background-color:rgb(255, 255, 255)">
<br>
</div>
<div style="margin:0px;font-size:12pt;color:black;background-color:rgb(255, 255, 255)">
With regards,<br>
</div>
<span style="margin:0px;font-size:12pt;color:black;background-color:rgb(255, 255, 255)">Sanjoy</span><br>
</div>
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