=== If no file names and line numbers are shown below, one can run
            addr2line -Cfie my_exefile my_line_address
    to convert `my_line_address` (e.g., 0x4a6b) into file name and line number.

=== 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: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x58ee80]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
    /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:104

 1: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x58ecd3]
    amrex::BLBackTrace::handler(int)
    /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:51

 2: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x6667ae]
    backtrace_handler
    /raid/testing/castro-gfortran/AMReX//Src/F_BaseLib/backtrace_c.cpp:142

 3: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0xe407b7]
    __bl_error_module_MOD_bl_error0
    /raid/testing/castro-gfortran/AMReX//Src/F_BaseLib/bl_error.f90:64

 4: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x11eb5aa]
    check_equal_
    /raid/testing/castro-gfortran/Castro//Source/driver/set_indices.F90:14

 5: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x11eb637]
    ca_set_conserved_indices_
    /raid/testing/castro-gfortran/Castro//Source/driver/set_indices.F90:78

 6: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x11b20b9]
    ca_set_method_params
    /raid/testing/castro-gfortran/Castro//Source/driver/Castro_nd.F90:434

 7: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x4434a5]
    Castro::variableSetUp()
    /raid/testing/castro-gfortran/Castro//Source/driver/Castro_setup.cpp:206

 8: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x453ca3]
    CastroBld::variableSetUp()
    /raid/testing/castro-gfortran/Castro//Source/driver/CastroBld.cpp:34

 9: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x5b2b96]
    amrex::Amr::InitAmr()
    /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:227

10: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x5b24c8]
    amrex::Amr::Amr()
    /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:202

11: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x4543c1]
    main
    /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:109 (discriminator 3)

12: /lib64/libc.so.6(__libc_start_main+0xea) [0x7fd67485088a]
    ??
    ??:0

13: ./Castro3d.gnu.DEBUG.MPI.OMP.ex() [0x40ab3a]
    _start
    ??:?