=== 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(+0x3c86a8) [0x56334df546a8]
    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(+0x3c80cd) [0x56334df540cd]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x26b75e) [0x56334ddf775e]
    amrex::ParallelDescriptor::Abort(int, bool)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_ParallelDescriptor.cpp:235:22

 3: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x21545c) [0x56334dda145c]
    amrex::Assert_host(char const*, char const*, int, char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:296:1

 4: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x381cf5) [0x56334df0dcf5]
    amrex::Assert(char const*, char const*, int, char const*) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.cpp:258:9 in amrex::MFIter::Initialize()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:191:5
amrex::MFIter::Initialize()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.cpp:258:9

 5: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x381252) [0x56334df0d252]
    amrex::MFIter::MFIter(amrex::FabArrayBase const&, unsigned char)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.cpp:28:1

 6: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x60a7f) [0x56334dbeca7f]
    void amrex::FabArray<amrex::FArrayBox>::setDomainBndry<amrex::FArrayBox, 0>(double, int, int, amrex::Geometry const&)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArray.H:1496:40

 7: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x5ddd9) [0x56334dbe9dd9]
    void amrex::FabArray<amrex::FArrayBox>::setDomainBndry<amrex::FArrayBox, 0>(double, amrex::Geometry const&)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_FabArray.H:1475:1

 8: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x49b81a) [0x56334e02781a]
    amrex::FillPatchIterator::Initialize(int, double, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1000:32

 9: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x499a16) [0x56334e025a16]
    amrex::FillPatchIterator::FillPatchIterator(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:717:1

10: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x4a359d) [0x56334e02f59d]
    amrex::AmrLevel::FillPatch(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:2209:82

11: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x1cca2b) [0x56334dd58a2b]
    Gravity::get_new_grav_vector(int, amrex::MultiFab&, double)
/raid/testing/castro-gfortran/Castro//Source/gravity/Gravity.cpp:983:28

12: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x1e4af) [0x56334dbaa4af]
    Castro::post_init(double)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:2384:46

13: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x484b60) [0x56334e010b60]
    amrex::Amr::FinalizeInit(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1323:5

14: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x484523) [0x56334e010523]
    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:1235:5

15: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x483cb4) [0x56334e00fcb4]
    amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1117:13

16: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x9f22c) [0x56334dc2b22c]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:33

17: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fb6784cf1a3]
    __libc_start_main
??:0

18: ./Castro2d.gnu.DEBUG.TPROF.MPI.ex(+0x1579e) [0x56334dba179e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::init()
Amr::initialInit()
Amr::FinalizeInit()
Castro::post_init()
Gravity::get_new_grav_vector()
FillPatchIterator::Initialize