=== 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: /raid/testing/castro-gpu/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x513f26]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:39

 1: /raid/testing/castro-gpu/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x515848]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:15

 2: /raid/testing/castro-gpu/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x41a43a]
    std::_Vector_base<double, std::allocator<double> >::_M_allocate(unsigned long) inlined at /opt/gcc/gcc-9.4/include/c++/9.4.0/bits/stl_vector.h:358:25 in main_main()
/opt/gcc/gcc-9.4/include/c++/9.4.0/bits/stl_vector.h:343:18
std::_Vector_base<double, std::allocator<double> >::_M_create_storage(unsigned long)
/opt/gcc/gcc-9.4/include/c++/9.4.0/bits/stl_vector.h:358:25
std::_Vector_base<double, std::allocator<double> >::_Vector_base(unsigned long, std::allocator<double> const&)
/opt/gcc/gcc-9.4/include/c++/9.4.0/bits/stl_vector.h:302:9
std::vector<double, std::allocator<double> >::vector(unsigned long, double const&, std::allocator<double> const&)
/opt/gcc/gcc-9.4/include/c++/9.4.0/bits/stl_vector.h:521:47
amrex::Vector<double, std::allocator<double> >::vector(unsigned long, double const&, std::allocator<double> const&)
/raid/testing/castro-gpu/amrex//Src/Base/AMReX_Vector.H:31:38
main_main()
/raid/testing/castro-gpu/amrex/Tools/Plotfile/fcompare.cpp:209:41

 3: /raid/testing/castro-gpu/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x413eb0]
    main
/raid/testing/castro-gpu/amrex/Tools/Plotfile/fcompare.cpp:391:22

 4: /lib64/libc.so.6(+0x2d560) [0x7fa07539a560]
    __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58:16

 5: /lib64/libc.so.6(__libc_start_main+0x7c) [0x7fa07539a60c]
    call_init inlined at ../csu/libc-start.c:379:5 in __libc_start_main@@GLIBC_2.34
../csu/libc-start.c:128:20
__libc_start_main_impl
../csu/libc-start.c:379:5

 6: /raid/testing/castro-gpu/amrex/Tools/Plotfile//fcompare.gnu.ex() [0x416785]
    _start at ??:?