=== 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.TEST.TPROF.MPI.OMP.ex(+0x243590) [0x560eeeccc590]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:174:39

 1: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x245af6) [0x560eeecceaf6]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:80:8

 2: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x13bc51) [0x560eeebc4c51]
    amrex::Assert_host(char const*, char const*, int, char const*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.cpp:292:9

 3: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x211387) [0x560eeec9a387]
    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::MFIter(amrex::FabArrayBase const&, unsigned char)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:189:20
amrex::MFIter::Initialize()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.cpp:258:9
amrex::MFIter::MFIter(amrex::FabArrayBase const&, unsigned char)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.cpp:27:15

 4: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x54958) [0x560eeeadd958]
    void amrex::FabArray<amrex::FArrayBox>::setDomainBndry<amrex::FArrayBox, 0>(double, int, int, amrex::Geometry const&) [clone ._omp_fn.0]
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_MFIter.H:147:85

 5: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7f420b6a84c6]
    GOMP_parallel
??:0

 6: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x5f63a) [0x560eeeae863a]
    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:1504:1

 7: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x2cd4e0) [0x560eeed564e0]
    amrex::FillPatchIterator::Initialize(int, double, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1000:32

 8: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x2ce207) [0x560eeed57207]
    amrex::AmrLevel::FillPatch(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:2211:19

 9: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x113f19) [0x560eeeb9cf19]
    Gravity::get_new_grav_vector(int, amrex::MultiFab&, double)
/raid/testing/castro-gfortran/Castro//Source/gravity/Gravity.cpp:983:28

10: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x449ce) [0x560eeeacd9ce]
    std::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count() inlined at /usr/include/c++/9/bits/shared_ptr_base.h:1169:7 in Castro::post_init(double)
/usr/include/c++/9/bits/shared_ptr_base.h:729:6
std::__shared_ptr<amrex::BoxList, (__gnu_cxx::_Lock_policy)2>::~__shared_ptr()
/usr/include/c++/9/bits/shared_ptr_base.h:1169:7
std::shared_ptr<amrex::BoxList>::~shared_ptr()
/usr/include/c++/9/bits/shared_ptr.h:103:11
amrex::BoxArray::~BoxArray()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BoxArray.H:539:5
Castro::post_init(double)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:2384:46

11: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x2b1fd5) [0x560eeed3afd5]
    amrex::Amr::FinalizeInit(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1323:25

12: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x2b6cdb) [0x560eeed3fcdb]
    amrex::Amr::initialInit(double, double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*) inlined at /raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1116:20 in amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1235:5
amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1116:20

13: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x2a340) [0x560eeeab3340]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:33

14: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f420b4b61a3]
    __libc_start_main
??:0

15: ./Castro3d.gnu.TEST.TPROF.MPI.OMP.ex(+0x38b4e) [0x560eeeac1b4e]
    _start
??:0


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