=== 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() [0x4ed386]
    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() [0x4eefad]
    amrex::BLBackTrace::handler(int)
/raid/testing/microphysics-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: ./main3d.gnu.TEST.OMP.ex() [0x50904b]
    __amrex_error_module_MOD_amrex_error0
/raid/testing/microphysics-gfortran/amrex//Src/Base/AMReX_error_mod.F90:42

 3: ./main3d.gnu.TEST.OMP.ex() [0x510f61]
    __actual_eos_module_MOD_actual_eos_init
../../EOS/helmholtz/actual_eos.F90:1291

 4: ./main3d.gnu.TEST.OMP.ex() [0x52f505]
    __eos_module_MOD_eos_init
../../interfaces/eos.F90:78

 5: ./main3d.gnu.TEST.OMP.ex() [0x41315c]
    main_main()
/raid/testing/microphysics-gfortran/Microphysics/unit_test/test_eos_C/main.cpp:106:27

 6: ./main3d.gnu.TEST.OMP.ex() [0x41000b]
    main
/raid/testing/microphysics-gfortran/Microphysics/unit_test/test_eos_C/main.cpp:28:20

 7: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f353244b1a3]
    __libc_start_main
??:0

 8: ./main3d.gnu.TEST.OMP.ex() [0x4126fe]
    _start
??:0