=== If no file names and line numbers are shown below, one can run
            addr2line -Cfie my_exefile my_line_address
    to convert `my_line_address` (e.g., 0x4a6b) into file name and line number.

=== 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.OMP.ex() [0x4e9626]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
    /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:108

 1: ./Castro2d.gnu.TEST.OMP.ex() [0x4eaf42]
    amrex::BLBackTrace::handler(int)
    /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:55

 2: ./Castro2d.gnu.TEST.OMP.ex() [0x43db40]
    amrex::Abort(char const*)
    /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.cpp:237

 3: ./Castro2d.gnu.TEST.OMP.ex() [0x40d5ca]
    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_is_local() const
    /usr/include/c++/7/bits/basic_string.h:211
    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_dispose()
    /usr/include/c++/7/bits/basic_string.h:220
    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()
    /usr/include/c++/7/bits/basic_string.h:647
    Castro::check_for_nan(amrex::MultiFab&, int)
    /raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3567

 4: ./Castro2d.gnu.TEST.OMP.ex() [0x41a9cd]
    std::__uniq_ptr_impl<amrex::MultiFab, std::default_delete<amrex::MultiFab> >::_M_ptr() const
    /usr/include/c++/7/bits/unique_ptr.h:147
    std::unique_ptr<amrex::MultiFab, std::default_delete<amrex::MultiFab> >::get() const
    /usr/include/c++/7/bits/unique_ptr.h:337
    std::unique_ptr<amrex::MultiFab, std::default_delete<amrex::MultiFab> >::operator*() const
    /usr/include/c++/7/bits/unique_ptr.h:323
    amrex::StateData::newData()
    /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_StateData.H:221
    amrex::AmrLevel::get_new_data(int)
    /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_AmrLevel.H:319
    Castro::do_advance(double, double, int, int)
    /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:322

 5: ./Castro2d.gnu.TEST.OMP.ex() [0x41ad24]
    Castro::subcycle_advance(double, double, int, int)
    /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:1240

 6: ./Castro2d.gnu.TEST.OMP.ex() [0x41d8ba]
    Castro::advance(double, double, int, int)
    /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:103

 7: ./Castro2d.gnu.TEST.OMP.ex() [0x5180f3]
    amrex::Amr::timeStep(int, double, int, int, double)
    /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1948

 8: ./Castro2d.gnu.TEST.OMP.ex() [0x50d41f]
    amrex::Amr::coarseTimeStep(double)
    /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2162

 9: ./Castro2d.gnu.TEST.OMP.ex() [0x4070a2]
    main
    /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:132

10: /lib64/libc.so.6(__libc_start_main+0xea) [0x7ff03971ef2a]
    ??
    ??:0

11: ./Castro2d.gnu.TEST.OMP.ex() [0x40a92a]
    _start
    ??:?