=== 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.TPROF.MPI.OMP.SMPLSDC.ex(+0x18bd00) [0x56121eb7fd00]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:174:39

 1: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex(+0x18e286) [0x56121eb82286]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex(+0x238a4f) [0x56121ec2ca4f]
    __amrex_error_module_MOD_amrex_error0
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_error_mod.F90:41

 3: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex(+0x2a86a6) [0x56121ec9c6a6]
    runtime_init_
tmp_build_dir/castro_sources/1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.EXE/extern.F90:342

 4: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex(+0x3547d) [0x56121ea2947d]
    Castro::extern_init()
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3389:25

 5: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex(+0x4ff76) [0x56121ea43f76]
    Castro::variableSetUp()
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_setup.cpp:213:3

 6: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex(+0x1e1b4c) [0x56121ebd5b4c]
    amrex::Amr::InitAmr()
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:240:28

 7: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex(+0x1e3744) [0x56121ebd7744]
    amrex::Amr::Amr()
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:213:1

 8: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex(+0x234a8) [0x56121ea174a8]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:127:17

 9: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f85b91a31a3]
    __libc_start_main
??:0

10: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex(+0x30a1e) [0x56121ea24a1e]
    _start
??:0


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