=== 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: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1eaf15) [0x5590391b8f15]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39

 1: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1ecdb6) [0x5590391badb6]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x102715) [0x5590390d0715]
    amrex::detail::Abort_host_doit(char const*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.cpp:192:9

 3: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x6793f) [0x55903903593f]
    amrex::Abort(char const*) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:485:25 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.H:125:5
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:485:25

 4: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x64ad2) [0x559039032ad2]
    double const& std::min<double>(double const&, double const&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92 in Castro::advance(double, double, int, int)
/usr/include/c++/9/bits/stl_algobase.h:205:14
Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92

 5: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x244ae4) [0x559039212ae4]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2121:36

 6: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x2370f7) [0x5590392050f7]
    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

 7: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x299f6) [0x559038ff79f6]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

 8: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f1be33121a3]
    __libc_start_main
??:0

 9: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x38aae) [0x559039006aae]
    _start
??:0