=== 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: ./rad_sphere.ex() [0x566c0e]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) at /home/zingale/development/AMReX//Src/Base/AMReX_BLBackTrace.cpp:107

 1: ./rad_sphere.ex() [0x566a30]
    amrex::BLBackTrace::handler(int) at /home/zingale/development/AMReX//Src/Base/AMReX_BLBackTrace.cpp:55

 2: ./rad_sphere.ex() [0x4c58f9]
    amrex::ParallelDescriptor::Abort(int, bool) at /home/zingale/development/AMReX//Src/Base/AMReX_ParallelDescriptor.cpp:1704

 3: ./rad_sphere.ex() [0x48affb]
    amrex::Abort(char const*) at /home/zingale/development/AMReX//Src/Base/AMReX.cpp:191

 4: ./rad_sphere.ex() [0x5e8272]
    main at /raid/testing/castro-gfortran/Castro/Diagnostics/Radiation/rad_sphere.cpp:233

 5: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fcdfb461413]
    ?? ??:0

 6: ./rad_sphere.ex() [0x40943e]
    _start at ??:?