=== 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: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x1e7c55) [0x561bea6d2c55]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:172:39

 1: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x1e9886) [0x561bea6d4886]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:76:8

 2: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x646ac) [0x561bea54f6ac]
    amrex::Abort(char const*) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:75:21 in Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:124:32
Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:75:21

 3: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x24c33d) [0x561bea73733d]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2054:81

 4: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x23e3aa) [0x561bea7293aa]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:34:54 in amrex::Amr::coarseTimeStep(double)
/usr/include/c++/9/bits/stl_vector.h:1042:2
amrex::Vector<double, std::allocator<double> >::operator[](unsigned long)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:34:54
amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2381:26

 5: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x2ba6c) [0x561bea516a6c]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

 6: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7efd803441a3]
    __libc_start_main
??:0

 7: ./Castro2d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x3749e) [0x561bea52249e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::coarseTimeStep()
Amr::timeStep()
Castro::advance()