=== 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.

=== 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.DEBUG.OMP.ex() [0x56ac4c]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:107

 1: ./Castro1d.gnu.DEBUG.OMP.ex() [0x56aa6e]
    amrex::BLBackTrace::handler(int) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:55

 2: /lib64/libc.so.6(+0x38600) [0x7f8a38a26600]
    ?? ??:0

 3: ./Castro1d.gnu.DEBUG.OMP.ex() [0x6c7450]
    __actual_eos_module_MOD_actual_eos at /raid/testing/castro-gfortran/Microphysics//EOS/helmholtz/actual_eos.F90:927

 4: ./Castro1d.gnu.DEBUG.OMP.ex() [0x6b55c1]
    __eos_module_MOD_eos at /raid/testing/castro-gfortran/Castro//Microphysics/EOS/eos.F90:176

 5: ./Castro1d.gnu.DEBUG.OMP.ex() [0x78ea94]
    ca_ctoprim at /raid/testing/castro-gfortran/Castro//Source/hydro/advection_util_nd.F90:600

 6: ./Castro1d.gnu.DEBUG.OMP.ex() [0x44db69]
    Castro::cons_to_prim(double) [clone ._omp_fn.0] at /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_hydro.cpp:42

 7: /lib64/libgomp.so.1(GOMP_parallel+0x43) [0x7f8a38c017b3]
    ?? ??:0

 8: ./Castro1d.gnu.DEBUG.OMP.ex() [0x44d1c8]
    Castro::cons_to_prim(double) at /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_hydro.cpp:89

 9: ./Castro1d.gnu.DEBUG.OMP.ex() [0x42b713]
    Castro::do_advance_ctu(double, double, int, int) at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:123

10: ./Castro1d.gnu.DEBUG.OMP.ex() [0x42c5e2]
    Castro::subcycle_advance_ctu(double, double, int, int) at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:482

11: ./Castro1d.gnu.DEBUG.OMP.ex() [0x428f65]
    Castro::advance(double, double, int, int) at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:53

12: ./Castro1d.gnu.DEBUG.OMP.ex() [0x5a6a7b]
    amrex::Amr::timeStep(int, double, int, int, double) at /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2101

13: ./Castro1d.gnu.DEBUG.OMP.ex() [0x5a7207]
    amrex::Amr::coarseTimeStep(double) at /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2414

14: ./Castro1d.gnu.DEBUG.OMP.ex() [0x442b7a]
    main at /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:133

15: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f8a38a12413]
    ?? ??:0

16: ./Castro1d.gnu.DEBUG.OMP.ex() [0x40935e]
    _start at ??:?