=== 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.MPI.ex() [0x577540]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:107

 1: ./Castro1d.gnu.DEBUG.MPI.ex() [0x577348]
    amrex::BLBackTrace::handler(int) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:55

 2: ./Castro1d.gnu.DEBUG.MPI.ex() [0x4c60ca]
    amrex::ParallelDescriptor::Abort(int, bool) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParallelDescriptor.cpp:224

 3: ./Castro1d.gnu.DEBUG.MPI.ex() [0x486e7d]
    amrex::Error(char const*) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.cpp:161

 4: ./Castro1d.gnu.DEBUG.MPI.ex() [0x45f1ae]
    Castro::strang_react_first_half(double, double) at /raid/testing/castro-gfortran/Castro//Source/reactions/Castro_react.cpp:22

 5: ./Castro1d.gnu.DEBUG.MPI.ex() [0x42bf24]
    Castro::do_advance_mol(double, double, int, int) at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_mol.cpp:56

 6: ./Castro1d.gnu.DEBUG.MPI.ex() [0x42770f]
    Castro::advance(double, double, int, int) at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:59

 7: ./Castro1d.gnu.DEBUG.MPI.ex() [0x5be77b]
    amrex::Amr::timeStep(int, double, int, int, double) at /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2099

 8: ./Castro1d.gnu.DEBUG.MPI.ex() [0x5bef13]
    amrex::Amr::coarseTimeStep(double) at /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2386

 9: ./Castro1d.gnu.DEBUG.MPI.ex() [0x444768]
    main at /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:133

10: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fe1e1ee6413]
    ?? ??:0

11: ./Castro1d.gnu.DEBUG.MPI.ex() [0x40a55e]
    _start at ??:?