=== 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: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x16f045) [0x558f0116f045]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39

 1: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x170ee6) [0x558f01170ee6]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x32305) [0x558f01032305]
    Castro::initData() [clone ._omp_fn.0]
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.H:100:5

 3: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7f6c0eaf44b6]
    GOMP_parallel
??:0

 4: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x3e15f) [0x558f0103e15f]
    Castro::initData()
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:1008:29

 5: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x1a6378) [0x558f011a6378]
    amrex::Amr::defBaseLevel(double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2822:14

 6: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x1b278f) [0x558f011b278f]
    amrex::Amr::initialInit(double, double, amrex::BoxArray const*, amrex::Vector<int, std::allocator<int> > const*) inlined at /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1209:20 in amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1336:19
amrex::Amr::init(double, double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:1209:20

 7: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x232bd) [0x558f010232bd]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:33

 8: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f6c0e9021a3]
    __libc_start_main
??:0

 9: ./Castro1d.gnu.TEST.MPI.OMP.ex(+0x30dbe) [0x558f01030dbe]
    _start
??:0