Successfully construct the Mat!
[1]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
[1]PETSC ERROR: Invalid argument
[1]PETSC ERROR: Setting off process row 1 even though MatSetOption(,MAT_NO_OFF_PROC_ENTRIES,PETSC_TRUE) was set
[1]PETSC ERROR: See https://petsc.org/release/faq/ for trouble shooting.
[1]PETSC ERROR: Petsc Release Version 3.17.1, Apr 28, 2022 
[1]PETSC ERROR: ./BugReport on a arch-linux-c-debug named Changqing-CUHK by ycq Wed Jun  1 10:59:13 2022
[1]PETSC ERROR: Configure options --download-mpich --download-fblaslapck --download-f2cblaslapack
[1]PETSC ERROR: #1 MatSetValues_MPIAIJ() at /home/ycq/projects/petsc-3.17.1/src/mat/impls/aij/mpi/mpiaij.c:510
[1]PETSC ERROR: #2 MatSetValues() at /home/ycq/projects/petsc-3.17.1/src/mat/interface/matrix.c:1343
[1]PETSC ERROR: #3 MatSetValuesLocal() at /home/ycq/projects/petsc-3.17.1/src/mat/interface/matrix.c:2186
[1]PETSC ERROR: #4 DMStagMatSetValuesStencil() at /home/ycq/projects/petsc-3.17.1/src/dm/impls/stag/stagstencil.c:319
[1]PETSC ERROR: #5 main() at /home/ycq/MixGMsFEM2ASM/src/BugReport.c:35
[1]PETSC ERROR: No PETSc Option Table entries
[1]PETSC ERROR: ----------------End of Error Message -------send entire error message to petsc-maint@mcs.anl.gov----------
application called MPI_Abort(MPI_COMM_WORLD, 62) - process 1
[2]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
[2]PETSC ERROR: Invalid argument
[2]PETSC ERROR: Setting off process row 2 even though MatSetOption(,MAT_NO_OFF_PROC_ENTRIES,PETSC_TRUE) was set
[2]PETSC ERROR: See https://petsc.org/release/faq/ for trouble shooting.
[2]PETSC ERROR: Petsc Release Version 3.17.1, Apr 28, 2022 
[2]PETSC ERROR: ./BugReport on a arch-linux-c-debug named Changqing-CUHK by ycq Wed Jun  1 10:59:13 2022
[2]PETSC ERROR: Configure options --download-mpich --download-fblaslapck --download-f2cblaslapack
[2]PETSC ERROR: #1 MatSetValues_MPIAIJ() at /home/ycq/projects/petsc-3.17.1/src/mat/impls/aij/mpi/mpiaij.c:510
[2]PETSC ERROR: #2 MatSetValues() at /home/ycq/projects/petsc-3.17.1/src/mat/interface/matrix.c:1343
[2]PETSC ERROR: #3 MatSetValuesLocal() at /home/ycq/projects/petsc-3.17.1/src/mat/interface/matrix.c:2186
[2]PETSC ERROR: #4 DMStagMatSetValuesStencil() at /home/ycq/projects/petsc-3.17.1/src/dm/impls/stag/stagstencil.c:319
[2]PETSC ERROR: #5 main() at /home/ycq/MixGMsFEM2ASM/src/BugReport.c:50
[2]PETSC ERROR: No PETSc Option Table entries
[2]PETSC ERROR: ----------------End of Error Message -------send entire error message to petsc-maint@mcs.anl.gov----------
application called MPI_Abort(MPI_COMM_WORLD, 62) - process 2
[3]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
[3]PETSC ERROR: Invalid argument
[3]PETSC ERROR: Setting off process row 9 even though MatSetOption(,MAT_NO_OFF_PROC_ENTRIES,PETSC_TRUE) was set
[3]PETSC ERROR: See https://petsc.org/release/faq/ for trouble shooting.
[3]PETSC ERROR: Petsc Release Version 3.17.1, Apr 28, 2022 
[3]PETSC ERROR: ./BugReport on a arch-linux-c-debug named Changqing-CUHK by ycq Wed Jun  1 10:59:13 2022
[3]PETSC ERROR: Configure options --download-mpich --download-fblaslapck --download-f2cblaslapack
[3]PETSC ERROR: #1 MatSetValues_MPIAIJ() at /home/ycq/projects/petsc-3.17.1/src/mat/impls/aij/mpi/mpiaij.c:510
[3]PETSC ERROR: #2 MatSetValues() at /home/ycq/projects/petsc-3.17.1/src/mat/interface/matrix.c:1343
[3]PETSC ERROR: #3 MatSetValuesLocal() at /home/ycq/projects/petsc-3.17.1/src/mat/interface/matrix.c:2186
[3]PETSC ERROR: #4 DMStagMatSetValuesStencil() at /home/ycq/projects/petsc-3.17.1/src/dm/impls/stag/stagstencil.c:319
[3]PETSC ERROR: #5 main() at /home/ycq/MixGMsFEM2ASM/src/BugReport.c:35
[3]PETSC ERROR: No PETSc Option Table entries
[3]PETSC ERROR: ----------------End of Error Message -------send entire error message to petsc-maint@mcs.anl.gov----------
application called MPI_Abort(MPI_COMM_WORLD, 62) - process 3