=== 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(+0x51ff0c) [0x55a2eb8f6f0c]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:175:29

 1: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x51f931) [0x55a2eb8f6931]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:8

 2: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x3b7fae) [0x55a2eb78efae]
    amrex::ParallelDescriptor::Abort(int, bool)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_ParallelDescriptor.cpp:228:22

 3: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x361639) [0x55a2eb738639]
    amrex::Error_host(char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:204:1

 4: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x3672fa) [0x55a2eb73e2fa]
    amrex::Error(char const*) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_error_fi.cpp:8:14 in amrex_fi_error
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:120:5
amrex_fi_error
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_error_fi.cpp:8:14

 5: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x857c36) [0x55a2ebc2ec36]
    __amrex_error_module_MOD_amrex_error0
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_error_mod.F90:41

 6: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x92da59) [0x55a2ebd04a59]
    __castro_error_module_MOD_castro_error
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_error_nd.F90:12

 7: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x95aa39) [0x55a2ebd31a39]
    probdata_init
tmp_build_dir/castro_sources/2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.EXE/prob_params_auto.F90:660

 8: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x96ea0) [0x55a2eb46dea0]
    Castro::variableSetUp()
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_setup.cpp:216:30

 9: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0xb0de5) [0x55a2eb487de5]
    CastroBld::variableSetUp()
/raid/testing/castro-gfortran/Castro//Source/driver/CastroBld.cpp:34:1

10: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x5d5e12) [0x55a2eb9ace12]
    amrex::Amr::InitAmr()
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:234:28

11: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x5d567a) [0x55a2eb9ac67a]
    amrex::Amr::Amr()
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:209:1

12: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0xb2210) [0x55a2eb489210]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:125:23

13: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f9d3d5501a3]
    __libc_start_main
??:0

14: ./Castro2d.gnu.DEBUG.TPROF.MPI.SMPLSDC.ex(+0x146fe) [0x55a2eb3eb6fe]
    _start
??:0


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