=== 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() [0x4e5a36]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/microphysics-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:167:39

 1: ./main3d.gnu.TEST.OMP.ex() [0x4e765d]
    amrex::BLBackTrace::handler(int)
/raid/testing/microphysics-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: /lib64/libc.so.6(+0x3c6b0) [0x7f34d9a026b0]
    __restore_rt
??:0

 3: ./main3d.gnu.TEST.OMP.ex() [0x511bfd]
    __actual_network_MOD_actual_network_init
../../networks/ignition_reaclib/URCA-simple/actual_network.F90:104

 4: ./main3d.gnu.TEST.OMP.ex() [0x5453b9]
    __network_MOD_network_init
../../interfaces/network.F90:51

 5: ./main3d.gnu.TEST.OMP.ex() [0x544f52]
    __microphysics_module_MOD_microphysics_init
../../interfaces/microphysics.F90:28

 6: ./main3d.gnu.TEST.OMP.ex() [0x413b8b]
    main_main()
/raid/testing/microphysics-gfortran/Microphysics/unit_test/test_react/main.cpp:112:9

 7: ./main3d.gnu.TEST.OMP.ex() [0x410ccb]
    main
/raid/testing/microphysics-gfortran/Microphysics/unit_test/test_react/main.cpp:24:20

 8: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f34d99ed1a3]
    __libc_start_main
??:0

 9: ./main3d.gnu.TEST.OMP.ex() [0x4132ee]
    _start
??:0