=== 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.TPROF.MPI.SMPLSDC.ex(+0x38329e) [0x55e2034b929e]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:170:29

 1: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x382cc3) [0x55e2034b8cc3]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x2423bb) [0x55e2033783bb]
    amrex::ParallelDescriptor::Abort(int, bool)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_ParallelDescriptor.cpp:230:22

 3: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x1ecfed) [0x55e203322fed]
    amrex::detail::Error_host_doit(char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:177:1

 4: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x2f61f) [0x55e20316561f]
    amrex::Error(char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:108:5

 5: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x1f2d1c) [0x55e203328d1c]
    amrex_fi_error
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_error_fi.cpp:9:5

 6: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x6849f9) [0x55e2037ba9f9]
    __amrex_error_module_MOD_amrex_error0
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_error_mod.F90:41

 7: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x77cf3e) [0x55e2038b2f3e]
    __castro_error_module_MOD_castro_error
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_error_nd.F90:12

 8: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x7dc81c) [0x55e20391281c]
    runtime_init_
tmp_build_dir/castro_sources/2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.EXE/extern.F90:345

 9: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x77d005) [0x55e2038b3005]
    ca_extern_init
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_nd.F90:81

10: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x266f7) [0x55e20315c6f7]
    Castro::extern_init()
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3389:25

11: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x70e44) [0x55e2031a6e44]
    Castro::variableSetUp()
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_setup.cpp:213:20

12: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x89c1f) [0x55e2031bfc1f]
    CastroBld::variableSetUp()
/raid/testing/castro-gfortran/Castro//Source/driver/CastroBld.cpp:34:1

13: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x4281b8) [0x55e20355e1b8]
    amrex::Amr::InitAmr()
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:238:28

14: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x427a20) [0x55e20355da20]
    amrex::Amr::Amr()
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:213:1

15: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x8af9e) [0x55e2031c0f9e]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:125:23

16: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fb7ad4c51a3]
    __libc_start_main
??:0

17: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x1475e) [0x55e20314a75e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::InitAmr()