=== 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.DEBUG.MPI.SMPLSDC.ex(+0x2cd586) [0x5627ab383586]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:163:29

 1: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x2cd1d0) [0x5627ab3831d0]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x1a41bb) [0x5627ab25a1bb]
    amrex::ParallelDescriptor::Abort(int, bool)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParallelDescriptor.cpp:230:22

 3: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x155075) [0x5627ab20b075]
    amrex::detail::Error_host_doit(char const*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.cpp:169:1

 4: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x2c934) [0x5627ab0e2934]
    amrex::Error(char const*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.H:100:5

 5: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x15af06) [0x5627ab210f06]
    amrex_fi_error
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_error_fi.cpp:9:5

 6: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x571574) [0x5627ab627574]
    __amrex_error_module_MOD_amrex_error0
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_error_mod.F90:41

 7: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x6a72a9) [0x5627ab75d2a9]
    __castro_error_module_MOD_castro_error
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_error_nd.F90:12

 8: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x7c8d80) [0x5627ab87ed80]
    probdata_init_
tmp_build_dir/castro_sources/2d.gnu.DEBUG.MPI.SMPLSDC.EXE/prob_params_auto.F90:488

 9: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x53b2b6) [0x5627ab5f12b6]
    __problem_io_module_MOD_initialize_io
/raid/testing/castro-gfortran/Castro//Exec/science/wdmerger/problem_io.f90:30

10: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x75d904) [0x5627ab813904]
    amrex_probinit
/raid/testing/castro-gfortran/Castro//Exec/science/wdmerger/Prob_nd.F90:14

11: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x34de9c) [0x5627ab403e9c]
    amrex::Amr::readProbinFile(int&)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1285:34

12: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x34e2db) [0x5627ab4042db]
    amrex::Amr::InitializeInit(double, double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1361:13

13: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x34e226) [0x5627ab404226]
    amrex::Amr::initialInit(double, double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1336:19

14: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x34da61) [0x5627ab403a61]
    amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1210:13

15: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x8b137) [0x5627ab141137]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:33

16: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fc8737371a3]
    __libc_start_main
??:0

17: ./Castro2d.gnu.DEBUG.MPI.SMPLSDC.ex(+0x1687e) [0x5627ab0cc87e]
    _start
??:0