=== 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.TEST.OMP.ex() [0x4f0db6]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:108

 1: ./Castro2d.gnu.TEST.OMP.ex() [0x4f1d5b]
    amrex::BLBackTrace::handler(int) at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:55

 2: ./Castro2d.gnu.TEST.OMP.ex() [0x518c2e]
    amrex::AmrMesh::checkInput() at /raid/testing/castro-gfortran/AMReX//Src/AmrCore/AMReX_AmrMesh.cpp:866

 3: ./Castro2d.gnu.TEST.OMP.ex() [0x51cb40]
    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:324 (discriminator 1)

 4: ./Castro2d.gnu.TEST.OMP.ex() [0x51d772]
    amrex::AmrMesh::AmrMesh() at /usr/include/c++/8/bits/stl_vector.h:567
     (inlined by) amrex::AmrMesh::AmrMesh() at /raid/testing/castro-gfortran/AMReX//Src/AmrCore/AMReX_AmrMesh.cpp:36

 5: ./Castro2d.gnu.TEST.OMP.ex() [0x4f7e1e]
    amrex::AmrCore::AmrCore() at /raid/testing/castro-gfortran/AMReX//Src/AmrCore/AMReX_AmrCore.cpp:26
     (inlined by) amrex::AmrCore::AmrCore() at /raid/testing/castro-gfortran/AMReX//Src/AmrCore/AMReX_AmrCore.cpp:39

 6: ./Castro2d.gnu.TEST.OMP.ex() [0x527d94]
    amrex::Amr::Amr() at /usr/include/c++/8/bits/basic_string.h:182
     (inlined by) ?? at /usr/include/c++/8/bits/basic_string.h:422
     (inlined by) amrex::Amr::Amr() at /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:238

 7: ./Castro2d.gnu.TEST.OMP.ex() [0x414724]
    main at /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:112 (discriminator 3)

 8: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f4b96913413]
    ?? ??:0

 9: ./Castro2d.gnu.TEST.OMP.ex() [0x4182de]
    _start at ??:?