=== 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: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x418afe) [0x556fce972afe]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:170:29

 1: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x418523) [0x556fce972523]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x2b8f55) [0x556fce812f55]
    amrex::ParallelDescriptor::Abort(int, bool)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_ParallelDescriptor.cpp:230:22

 3: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x2670c1) [0x556fce7c10c1]
    amrex::detail::Abort_host_doit(char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:200:1

 4: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x2a4cc) [0x556fce5844cc]
    amrex::Abort(char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:133:5

 5: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x4c9109) [0x556fcea23109]
    amrex::AmrMesh::MakeNewGrids(int, double, int&, amrex::Vector<amrex::BoxArray, std::allocator<amrex::BoxArray> >&)
/raid/testing/castro-gfortran/amrex//Src/AmrCore/AMReX_AmrMesh.cpp:775:13

 6: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x4e1202) [0x556fcea3b202]
    amrex::Amr::grid_places(int, double, int&, amrex::Vector<amrex::BoxArray, std::allocator<amrex::BoxArray> >&)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:3224:9

 7: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x4dd1ff) [0x556fcea371ff]
    amrex::Amr::regrid(int, double, bool)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2819:31

 8: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x4e1945) [0x556fcea3b945]
    amrex::Amr::bldFineLevels(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:3315:21

 9: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x4d6be4) [0x556fcea30be4]
    amrex::Amr::FinalizeInit(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1328:14

10: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x4d68ef) [0x556fcea308ef]
    amrex::Amr::initialInit(double, double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1262:5

11: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x4d613a) [0x556fcea3013a]
    amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1144:13

12: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x7b4c5) [0x556fce5d54c5]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:33

13: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fd53b27f1a3]
    __libc_start_main
??:0

14: ./Castro3d.gnu.DEBUG.TPROF.MPI.ex(+0x13bbe) [0x556fce56dbbe]
    _start
??:0


===== TinyProfilers ======
main()
Amr::init()
Amr::initialInit()
Amr::FinalizeInit()
Amr::bldFineLevels()
Amr::regrid()
Amr::grid_places()
AmrMesh::MakeNewGrids()