=== 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.OMP.ex(+0x140215) [0x55b09f6e4215]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39

 1: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x1420b6) [0x55b09f6e60b6]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x797d5) [0x55b09f61d7d5]
    amrex::Abort(char const*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.cpp:201:9

 3: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x3c90d) [0x55b09f5e090d]
    Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:456:21

 4: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x3a1ea) [0x55b09f5de1ea]
    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: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x183afd) [0x55b09f727afd]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2121:36

 6: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x17741a) [0x55b09f71b41a]
    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: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x205b6) [0x55b09f5c45b6]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:152:33

 8: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fd8950a81a3]
    __libc_start_main
??:0

 9: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x24d8e) [0x55b09f5c8d8e]
    _start
??:0