=== 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.DEBUG.TPROF.MPI.ex(+0x3836f0) [0x55b1f4cc46f0]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:170:29

 1: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x383115) [0x55b1f4cc4115]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x21ba12) [0x55b1f4b5ca12]
    amrex::ParallelDescriptor::Abort(int, bool)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_ParallelDescriptor.cpp:235:22

 3: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x1c4681) [0x55b1f4b05681]
    amrex::Error_host(char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:199:1

 4: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x20122) [0x55b1f4961122]
    Castro::normalize_species(amrex::MultiFab&, int)::{lambda(int, int, int)#1}::operator()(int, int, int) const
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:119:5

 5: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x3321f) [0x55b1f497421f]
    ParallelFor<Castro::normalize_species(amrex::MultiFab&, int)::<lambda(int, int, int)> >
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_GpuLaunchFunctsC.H:67:5

 6: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x20b93) [0x55b1f4961b93]
    Castro::normalize_species(amrex::MultiFab&, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3032:62

 7: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x323e7) [0x55b1f49733e7]
    Castro::clean_state(amrex::MultiFab&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4613:16

 8: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x7c405) [0x55b1f49bd405]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:257:18

 9: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x7d344) [0x55b1f49be344]
    Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:655:90

10: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x7948a) [0x55b1f49ba48a]
    Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:55

11: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x443dd4) [0x55b1f4d84dd4]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1973:44

12: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x44428d) [0x55b1f4d8528d]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2019:13

13: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x44428d) [0x55b1f4d8528d]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2019:13

14: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x444660) [0x55b1f4d85660]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2083:26

15: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x9481b) [0x55b1f49d581b]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:5

16: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f9fd553d1a3]
    __libc_start_main
??:0

17: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x146fe) [0x55b1f49556fe]
    _start
??:0


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