/home/xiaodong.liu/Documents/petsc-3.21.1/petsc/arch-linux-c-opt/bin/mpirun -n 8 ./ex72  -f /home/xiaodong.liu/Documents/PetscData/poisson_DMPLEX_32x32_16.dat -pc_type bddc -ksp_type cg -ksp_norm_type natural -ksp_error_if_not_converged -mat_type is
[0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
[0]PETSC ERROR: Unexpected data in file
[0]PETSC ERROR: Not a vector next in file
[0]PETSC ERROR: WARNING! There are unused option(s) set! Could be the program crashed before usage or a spelling mistake, etc!
[0]PETSC ERROR:   Option left: name:-ksp_error_if_not_converged (no value) source: command line
[0]PETSC ERROR:   Option left: name:-ksp_norm_type value: natural source: command line
[0]PETSC ERROR:   Option left: name:-ksp_type value: cg source: command line
[0]PETSC ERROR:   Option left: name:-pc_type value: bddc source: command line
[0]PETSC ERROR: See https://petsc.org/release/faq/ for trouble shooting.
[0]PETSC ERROR: Petsc Release Version 3.21.1, unknown 
[0]PETSC ERROR: ./ex72 on a arch-linux-c-opt named kirin.remcominc.com by xiaodong.liu Mon Jul 29 18:16:17 2024
[0]PETSC ERROR: Configure options --with-cc=gcc --with-fc=gfortran --with-cxx=g++ --download-fblaslapack --download-mpich --with-debugging=no --with-precision=single
[0]PETSC ERROR: #1 VecLoad_Binary() at /home/xiaodong.liu/Documents/petsc-3.21.1/petsc/src/vec/vec/utils/vecio.c:87
[0]PETSC ERROR: #2 VecLoad_Default() at /home/xiaodong.liu/Documents/petsc-3.21.1/petsc/src/vec/vec/utils/vecio.c:233
[0]PETSC ERROR: #3 VecLoad() at /home/xiaodong.liu/Documents/petsc-3.21.1/petsc/src/vec/vec/interface/vector.c:1172
[0]PETSC ERROR: #4 main() at ex72.c:151
[0]PETSC ERROR: PETSc Option Table entries:
[0]PETSC ERROR: -f /home/xiaodong.liu/Documents/PetscData/poisson_DMPLEX_32x32_16.dat (source: command line)
[0]PETSC ERROR: -ksp_error_if_not_converged (source: command line)
[0]PETSC ERROR: -ksp_norm_type natural (source: command line)
[0]PETSC ERROR: -ksp_type cg (source: command line)
[0]PETSC ERROR: -mat_type is (source: command line)
[0]PETSC ERROR: -pc_type bddc (source: command line)
[0]PETSC ERROR: ----------------End of Error Message -------send entire error message to petsc-maint@mcs.anl.gov----------
application called MPI_Abort(MPI_COMM_SELF, 79) - process 0