=== 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: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x1814d5) [0x555b075e84d5]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:178:39

 1: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x183126) [0x555b075ea126]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:82:8

 2: /lib64/libc.so.6(+0x3c6b0) [0x7f817a6a86b0]
    __restore_rt
??:0

 3: /lib64/libc.so.6(gsignal+0x145) [0x7f817a6a8625]
    raise
??:0

 4: /lib64/libc.so.6(abort+0x12b) [0x7f817a6918d9]
    abort
??:0

 5: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x43828) [0x555b074aa828]
    .annobin__ZSt20__replacement_assertPKciS0_S0_.end
??:0

 6: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x66e6f) [0x555b074cde6f]
    .annobin__ZN5amrex8FabArrayINS_9FArrayBoxEE5arrayIS1_Li0EEENS_6Array4IdEERKNS_6MFIterE.end
/usr/include/c++/9/bits/stl_vector.h:1042:2

 7: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x7b138) [0x555b074e2138]
    Castro::construct_ctu_hydro_source(double, double) [clone ._omp_fn.0]
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:1370:27

 8: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7f817a8854c6]
    GOMP_parallel
??:0

 9: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x78854) [0x555b074df854]
    Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:1491:3

10: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x4db4f) [0x555b074b4b4f]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:181:28

11: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x4e190) [0x555b074b5190]
    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

12: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x4c61a) [0x555b074b361a]
    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

13: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x1d82bd) [0x555b0763f2bd]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2050:81

14: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x1cb1fa) [0x555b076321fa]
    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

15: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x232dc) [0x555b0748a2dc]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

16: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f817a6931a3]
    __libc_start_main
??:0

17: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x3173e) [0x555b0749873e]
    _start
??:0


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