=== 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: ./Castro1d.gnu.TEST.MPI.ex() [0x528d79]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
    /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:108

 1: ./Castro1d.gnu.TEST.MPI.ex() [0x52a393]
    amrex::BLBackTrace::handler(int)
    /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:55

 2: /lib64/libc.so.6(+0x346e0) [0x7f752c8846e0]
    ??
    ??:0

 3: /lib64/libc.so.6(gsignal+0x110) [0x7f752c884660]
    ??
    ??:0

 4: /lib64/libc.so.6(abort+0x151) [0x7f752c885c41]
    ??
    ??:0

 5: /lib64/libc.so.6(+0x76f17) [0x7f752c8c6f17]
    ??
    ??:0

 6: /lib64/libc.so.6(+0x7d21a) [0x7f752c8cd21a]
    ??
    ??:0

 7: /lib64/libc.so.6(+0x7ed5c) [0x7f752c8ced5c]
    ??
    ??:0

 8: ./Castro1d.gnu.TEST.MPI.ex() [0x41c269]
    amrex::BaseFab<double>::clear()
    /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BaseFab.H:1567

 9: ./Castro1d.gnu.TEST.MPI.ex() [0x4deb0c]
    amrex::FArrayBox::~FArrayBox()
    /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_FArrayBox.H:221
    amrex::FabArray<amrex::FArrayBox>::clear()
    /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_FabArray.H:861
    amrex::FabArray<amrex::FArrayBox>::~FabArray()
    /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_FabArray.H:1029

10: ./Castro1d.gnu.TEST.MPI.ex() [0x43dfd8]
    Castro::cons_to_prim(double)
    /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_hydro.cpp:651

11: ./Castro1d.gnu.TEST.MPI.ex() [0x41ea2c]
    Castro::do_advance(double, double, int, int)
    /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:267

12: ./Castro1d.gnu.TEST.MPI.ex() [0x41ef21]
    Castro::subcycle_advance(double, double, int, int)
    /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:1242

13: ./Castro1d.gnu.TEST.MPI.ex() [0x421c8a]
    Castro::advance(double, double, int, int)
    /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:103

14: ./Castro1d.gnu.TEST.MPI.ex() [0x552f5d]
    amrex::Amr::timeStep(int, double, int, int, double)
    /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1948

15: ./Castro1d.gnu.TEST.MPI.ex() [0x547cbb]
    amrex::Amr::coarseTimeStep(double)
    /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2162

16: ./Castro1d.gnu.TEST.MPI.ex() [0x4093fa]
    main
    /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:132

17: /lib64/libc.so.6(__libc_start_main+0xea) [0x7f752c870f2a]
    ??
    ??:0

18: ./Castro1d.gnu.TEST.MPI.ex() [0x40e3ba]
    _start
    ??:?