=== 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(+0x1dc0c0) [0x55a56b11b0c0]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:174:39

 1: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x1de626) [0x55a56b11d626]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0xeff67) [0x55a56b02ef67]
    amrex::Error_host(char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:199:1

 3: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x33e70) [0x55a56af72e70]
    Castro::normalize_species(amrex::MultiFab&, int) [clone ._omp_fn.0]
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:117:19

 4: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7f35b2d284c6]
    GOMP_parallel
??:0

 5: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x40473) [0x55a56af7f473]
    Castro::normalize_species(amrex::MultiFab&, int) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4600:22 in Castro::clean_state(amrex::MultiFab&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3025:5
Castro::clean_state(amrex::MultiFab&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4600:22

 6: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x4f0f1) [0x55a56af8e0f1]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:371:9

 7: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x5019b) [0x55a56af8f19b]
    advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:655:90 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:150:8
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:655:90

 8: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x4df29) [0x55a56af8cf29]
    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:204:9
Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92

 9: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x2384a6) [0x55a56b1774a6]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1973:44

10: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x2389dc) [0x55a56b1779dc]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2019:13

11: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x22b7fa) [0x55a56b16a7fa]
    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:2083:26

12: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x2350c) [0x55a56af6250c]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

13: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f35b2b361a3]
    __libc_start_main
??:0

14: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.ex(+0x3283e) [0x55a56af7183e]
    _start
??:0


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