=== 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/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x4f2006]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:174:39

 1: /raid/testing/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x4f3c08]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: /raid/testing/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x41d920]
    amrex::Assert_host(char const*, char const*, int, char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:296:1

 3: /raid/testing/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x416fc0]
    amrex::Assert(char const*, char const*, int, char const*) inlined at /raid/testing/castro-gfortran/amrex/Tools/Plotfile/fcompare.cpp:111:5 in main_main()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:191:5
main_main()
/raid/testing/castro-gfortran/amrex/Tools/Plotfile/fcompare.cpp:111:5

 4: /raid/testing/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x410590]
    main
/raid/testing/castro-gfortran/amrex/Tools/Plotfile/fcompare.cpp:385:22

 5: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fee5a5a31a3]
    __libc_start_main
??:0

 6: /raid/testing/castro-gfortran/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x41294e]
    _start
??:0