=== 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.ex(+0x22b9e5) [0x559a685af9e5]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:178:39

 1: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x22d616) [0x559a685b1616]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:82:8

 2: /lib64/libc.so.6(+0x3c6b0) [0x7f0fc30a26b0]
    __restore_rt
??:0

 3: /lib64/libc.so.6(gsignal+0x145) [0x7f0fc30a2625]
    raise
??:0

 4: /lib64/libc.so.6(abort+0x12b) [0x7f0fc308b8d9]
    abort
??:0

 5: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x435e8) [0x559a683c75e8]
    .annobin__ZSt20__replacement_assertPKciS0_S0_.end
??:0

 6: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x854fe) [0x559a684094fe]
    std::vector<amrex::FArrayBox*, std::allocator<amrex::FArrayBox*> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArray.H:903:20 in Castro::construct_ctu_hydro_source(double, double)
/usr/include/c++/9/bits/stl_vector.h:1042:2
amrex::FabArray<amrex::FArrayBox>::fabPtr(amrex::MFIter const&)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArray.H:903:20
amrex::Array4<double> amrex::FabArray<amrex::FArrayBox>::array<amrex::FArrayBox, 0>(amrex::MFIter const&)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArray.H:967:12
Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:1367:59

 7: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x53fb1) [0x559a683d7fb1]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:181:28

 8: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x545cc) [0x559a683d85cc]
    advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:570:90 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:148:8
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:570:90

 9: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x4b1f2) [0x559a683cf1f2]
    double const& std::min<double>(double const&, double const&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92 in Castro::advance(double, double, int, int)
/usr/include/c++/9/bits/stl_algobase.h:205:14
Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92

10: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x29032d) [0x559a6861432d]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2050:81

11: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x28239a) [0x559a6860639a]
    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:2377:26

12: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x26e4c) [0x559a683aae4c]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

13: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f0fc308d1a3]
    __libc_start_main
??:0

14: ./Castro2d.gnu.TEST.TPROF.MPI.ex(+0x3056e) [0x559a683b456e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::coarseTimeStep()
Amr::timeStep()
Castro::advance()
Castro::subcycle_advance_ctu()
Castro::do_advance_ctu()
Castro::construct_ctu_hydro_source()