=== 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: ./main3d.gnu.TEST.OMP.ex() [0x52e0c6]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/microphysics-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:39

 1: ./main3d.gnu.TEST.OMP.ex() [0x530f22]
    amrex::BLBackTrace::handler(int)
/raid/testing/microphysics-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: ./main3d.gnu.TEST.OMP.ex() [0x4348e7]
    amrex::Error_host(char const*)
/raid/testing/microphysics-gfortran/amrex//Src/Base/AMReX.cpp:221:1

 3: ./main3d.gnu.TEST.OMP.ex() [0x426093]
    amrex::Error(char const*) inlined at ../react_util.H:39:21 in main_main()
/raid/testing/microphysics-gfortran/amrex//Src/Base/AMReX.H:112:5
setup_composition(int)
../react_util.H:39:21
main_main()
/raid/testing/microphysics-gfortran/Microphysics/unit_test/test_react/main.cpp:153:48

 4: ./main3d.gnu.TEST.OMP.ex() [0x4146db]
    main
/raid/testing/microphysics-gfortran/Microphysics/unit_test/test_react/main.cpp:31:20

 5: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7f8b2582c1e2]
    __libc_start_main
??:0

 6: ./main3d.gnu.TEST.OMP.ex() [0x417aae]
    _start
??:0