=== 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: /raid/testing/maestroex-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x518476]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/maestroex-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:39

 1: /raid/testing/maestroex-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x51a5ed]
    amrex::BLBackTrace::handler(int)
/raid/testing/maestroex-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: /raid/testing/maestroex-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x419843]
    amrex::Abort(char const*) inlined at /raid/testing/maestroex-gfortran/amrex/Tools/Plotfile/fcompare.cpp:193:25 in main_main()
/raid/testing/maestroex-gfortran/amrex//Src/Base/AMReX.H:147:19
main_main()
/raid/testing/maestroex-gfortran/amrex/Tools/Plotfile/fcompare.cpp:193:25

 3: /raid/testing/maestroex-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x412ca0]
    main
/raid/testing/maestroex-gfortran/amrex/Tools/Plotfile/fcompare.cpp:386:22

 4: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f7e875ec1e2]
    __libc_start_main
??:0

 5: /raid/testing/maestroex-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x41572e]
    _start
??:0