=== 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.TEST.MPI.OMP.ex(+0x18a925) [0x55b5582b3925]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39

 1: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x18c7c6) [0x55b5582b57c6]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: /lib64/libc.so.6(+0x3c6b0) [0x7f92b87956b0]
    __restore_rt
??:0

 3: /lib64/libc.so.6(gsignal+0x145) [0x7f92b8795625]
    raise
??:0

 4: /lib64/libc.so.6(abort+0x12b) [0x7f92b877e8d9]
    abort
??:0

 5: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x40f88) [0x55b558169f88]
    .annobin__ZSt20__replacement_assertPKciS0_S0_.end
??:0

 6: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1fc59f) [0x55b55832559f]
    std::vector<amrex::Interpolater*, std::allocator<amrex::Interpolater*> >::operator[](unsigned long) const inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:39:54 in amrex::StateDescriptor::sameInterps(int, int) const
/usr/include/c++/9/bits/stl_vector.h:1060:2
amrex::Vector<amrex::Interpolater*, std::allocator<amrex::Interpolater*> >::operator[](unsigned long) const
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:39:54
amrex::StateDescriptor::interp(int) const
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_StateDescriptor.cpp:268:25
amrex::StateDescriptor::sameInterps(int, int) const
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_StateDescriptor.cpp:555:26

 7: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1e7c66) [0x55b558310c66]
    std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int> > >::_Vector_impl_data::_M_copy_data(std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int> > >::_Vector_impl_data const&) inlined at /usr/include/c++/9/bits/stl_vector.h:120:4 in amrex::FillPatchIterator::Initialize(int, double, int, int, int)
/usr/include/c++/9/bits/stl_vector.h:110:4
std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int> > >::_Vector_impl_data::_M_swap_data(std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int> > >::_Vector_impl_data&)
/usr/include/c++/9/bits/stl_vector.h:120:4
std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >::_M_move_assign(std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >&&, std::integral_constant<bool, true>)
/usr/include/c++/9/bits/stl_vector.h:1815:2
std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >::operator=(std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >&&)
/usr/include/c++/9/bits/stl_vector.h:711:2
amrex::FillPatchIterator::Initialize(int, double, int, int, int)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_AmrLevel.cpp:954:43

 8: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1e8ec7) [0x55b558311ec7]
    amrex::AmrLevel::FillPatchAdd(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_AmrLevel.cpp:2204:18

 9: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x4ba27) [0x55b558174a27]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:105:33

10: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x4c8ae) [0x55b5581758ae]
    Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:482:21

11: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x49d79) [0x55b558172d79]
    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++/9/bits/stl_algobase.h:205:14
Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92

12: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1d9464) [0x55b558302464]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2121:36

13: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1ccb7a) [0x55b5582f5b7a]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:33:54 in amrex::Amr::coarseTimeStep(double)
/usr/include/c++/9/bits/stl_vector.h:1042:2
amrex::Vector<double, std::allocator<double> >::operator[](unsigned long)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:33:54
amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2439:26

14: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x27086) [0x55b558150086]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

15: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f92b87801a3]
    __libc_start_main
??:0

16: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x2c74e) [0x55b55815574e]
    _start
??:0