=== If no file names and line numbers are shown below, one can run
            addr2line -Cpfie my_exefile my_line_address
    to convert `my_line_address` (e.g., 0x4a6b) into file name and line number.
    Or one can use amrex/Tools/Backtrace/parse_bt.py.

=== Please note that the line number reported by addr2line may not be accurate.
    One can use
            readelf -wl my_exefile | grep my_line_address'
    to find out the offset for that line.

 0: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x18bc85) [0x55e4db3f9c85]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39

 1: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x18db03) [0x55e4db3fbb03]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: /lib64/libc.so.6(+0x3c6b0) [0x7f17325466b0]
    __restore_rt
??:0

 3: /lib64/libc.so.6(gsignal+0x145) [0x7f1732546625]
    raise
??:0

 4: /lib64/libc.so.6(abort+0x12b) [0x7f173252f8d9]
    abort
??:0

 5: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x490c8) [0x55e4db2b70c8]
    .annobin__ZSt20__replacement_assertPKciS0_S0_.end
??:0

 6: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x7406e) [0x55e4db2e206e]
    std::vector<int, std::allocator<int> >::operator[](unsigned long) const inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:39:54 in Castro::cons_to_prim(double)
/usr/include/c++/9/bits/stl_vector.h:1060:2
amrex::Vector<int, std::allocator<int> >::operator[](unsigned long) const
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:39:54
amrex::MFIter::LocalIndex() const
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_MFIter.H:182:96
amrex::FabArray<amrex::FArrayBox>::fabPtr(amrex::MFIter const&)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_FabArray.H:902:28
amrex::Array4<double> amrex::FabArray<amrex::FArrayBox>::array<amrex::FArrayBox, void>(amrex::MFIter const&)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_FabArray.H:967:12
Castro::cons_to_prim(double)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_hydro.cpp:38:47

 7: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x56baa) [0x55e4db2c4baa]
    Castro::do_advance_sdc(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:163:7

 8: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x53120) [0x55e4db2c1120]
    Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:61:42

 9: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x1cf5b5) [0x55e4db43d5b5]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2121:36

10: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x1c2a5d) [0x55e4db430a5d]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:33:54 in amrex::Amr::coarseTimeStep(double)
/usr/include/c++/9/bits/stl_vector.h:1042:2
amrex::Vector<double, std::allocator<double> >::operator[](unsigned long)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:33:54
amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2439:26

11: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x29b26) [0x55e4db297b26]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

12: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f17325311a3]
    __libc_start_main
??:0

13: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x3778e) [0x55e4db2a578e]
    _start
??:0