=== 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.SMPLSDC.ex() [0x5e1c46]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:39

 1: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex() [0x5e4aa2]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex() [0x50a407]
    amrex::Error_host(char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:217:1

 3: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex() [0x430773]
    Castro::normalize_species(amrex::MultiFab&, int) [clone ._omp_fn.0]
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Algorithm.H:23:19

 4: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7fb747870d36]
    GOMP_parallel
??:0

 5: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex() [0x43b7a9]
    Castro::normalize_species(amrex::MultiFab&, int) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4275:22 in Castro::clean_state(amrex::MultiFab&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:2923:5
Castro::clean_state(amrex::MultiFab&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4275:22

 6: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex() [0x44bcaa]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:243:18

 7: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex() [0x44c865]
    advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:648:90 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:133:8
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:648:90

 8: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex() [0x44ae4a]
    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++/10/bits/stl_algobase.h:236:9
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.SMPLSDC.ex() [0x6360f9]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:37:59 in amrex::Amr::timeStep(int, double, int, int, double)
/usr/include/c++/10/bits/stl_vector.h:1046:39
amrex::Vector<double, std::allocator<double> >::operator[](unsigned long)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:37:59
amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2018:68

10: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex() [0x636252]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2061:13

11: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex() [0x62dac0]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2125:13

12: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex() [0x42257d]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:136:33

13: /lib64/libc.so.6(__libc_start_main+0xf2) [0x7fb74767e1e2]
    __libc_start_main
??:0

14: ./Castro1d.gnu.TEST.TPROF.MPI.OMP.SMPLSDC.ex() [0x42fa4e]
    _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()