=== 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.

=== 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.MPI.ex() [0x5c51b8]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:107

 1: ./Castro2d.gnu.DEBUG.MPI.ex() [0x5c4fc0]
    amrex::BLBackTrace::handler(int) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:55

 2: ./Castro2d.gnu.DEBUG.MPI.ex() [0x502aba]
    amrex::ParallelDescriptor::Abort(int, bool) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParallelDescriptor.cpp:224

 3: ./Castro2d.gnu.DEBUG.MPI.ex() [0x4c416d]
    amrex::Error(char const*) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.cpp:161

 4: ./Castro2d.gnu.DEBUG.MPI.ex() [0x54e359]
    amrex::operator>>(std::istream&, amrex::IntVect&) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_IntVect.cpp:65

 5: ./Castro2d.gnu.DEBUG.MPI.ex() [0x4d36dc]
    bool amrex::(anonymous namespace)::is<amrex::IntVect>(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, amrex::IntVect&) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:150

 6: ./Castro2d.gnu.DEBUG.MPI.ex() [0x4d249d]
    bool amrex::(anonymous namespace)::(anonymous namespace)::squeryarr<amrex::IntVect>(std::__cxx11::list<amrex::ParmParse::PP_entry, std::allocator<amrex::ParmParse::PP_entry> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<amrex::IntVect, std::allocator<amrex::IntVect> >&, int, int, int) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:788

 7: ./Castro2d.gnu.DEBUG.MPI.ex() [0x4d21ee]
    void amrex::(anonymous namespace)::(anonymous namespace)::sgetarr<amrex::IntVect>(std::__cxx11::list<amrex::ParmParse::PP_entry, std::allocator<amrex::ParmParse::PP_entry> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<amrex::IntVect, std::allocator<amrex::IntVect> >&, int, int, int) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:822

 8: ./Castro2d.gnu.DEBUG.MPI.ex() [0x4ccda3]
    amrex::ParmParse::getarr(char const*, std::vector<amrex::IntVect, std::allocator<amrex::IntVect> >&, int, int) const at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:1668 (discriminator 6)

 9: ./Castro2d.gnu.DEBUG.MPI.ex() [0x606ce3]
    amrex::AmrMesh::InitAmrMesh(int, amrex::Vector<int, std::allocator<int> > const&, std::vector<int, std::allocator<int> >) at /raid/testing/castro-gfortran/AMReX//Src/AmrCore/AMReX_AmrMesh.cpp:107

10: ./Castro2d.gnu.DEBUG.MPI.ex() [0x60654c]
    amrex::AmrMesh::AmrMesh() at /raid/testing/castro-gfortran/AMReX//Src/AmrCore/AMReX_AmrMesh.cpp:36 (discriminator 2)

11: ./Castro2d.gnu.DEBUG.MPI.ex() [0x5d2171]
    amrex::AmrCore::AmrCore() at /raid/testing/castro-gfortran/AMReX//Src/AmrCore/AMReX_AmrCore.cpp:37

12: ./Castro2d.gnu.DEBUG.MPI.ex() [0x60db3f]
    amrex::Amr::Amr() at /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:234

13: ./Castro2d.gnu.DEBUG.MPI.ex() [0x451c43]
    main at /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:110 (discriminator 3)

14: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fee50aeb413]
    ?? ??:0

15: ./Castro2d.gnu.DEBUG.MPI.ex() [0x40a5ae]
    _start at ??:?