=== 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: ./Castro2d.gnu.TEST.MPI.SMPLSDC.ex(+0x147a85) [0x55b5b4845a85]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39

 1: ./Castro2d.gnu.TEST.MPI.SMPLSDC.ex(+0x149903) [0x55b5b4847903]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: /lib64/libc.so.6(+0x3c6b0) [0x7f96e96f36b0]
    __restore_rt
??:0

 3: ./Castro2d.gnu.TEST.MPI.SMPLSDC.ex(+0x7c7f1) [0x55b5b477a7f1]
    ppfound inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:417:25 in amrex::(anonymous namespace)::ppindex(std::__cxx11::list<amrex::ParmParse::PP_entry, std::allocator<amrex::ParmParse::PP_entry> > const&, int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:393:35
ppindex
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:417:25

 4: ./Castro2d.gnu.TEST.MPI.SMPLSDC.ex(+0x87ca6) [0x55b5b4785ca6]
    squeryarr<double>
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:751:5

 5: ./Castro2d.gnu.TEST.MPI.SMPLSDC.ex(+0x882f7) [0x55b5b47862f7]
    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_is_local() const inlined at /usr/include/c++/9/bits/basic_string.h:231:6 in amrex::ParmParse::queryarr(char const*, std::vector<double, std::allocator<double> >&, int, int) const
/usr/include/c++/9/bits/basic_string.h:222:26
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_dispose()
/usr/include/c++/9/bits/basic_string.h:231:6
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()
/usr/include/c++/9/bits/basic_string.h:658:9
amrex::ParmParse::queryarr(char const*, std::vector<double, std::allocator<double> >&, int, int) const
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_ParmParse.cpp:1524:43

 6: ./Castro2d.gnu.TEST.MPI.SMPLSDC.ex(+0x3e1a7) [0x55b5b473c1a7]
    Castro::variableSetUp()
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_setup.cpp:260:24

 7: ./Castro2d.gnu.TEST.MPI.SMPLSDC.ex(+0x190ea0) [0x55b5b488eea0]
    amrex::Amr::InitAmr()
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:274:28

 8: ./Castro2d.gnu.TEST.MPI.SMPLSDC.ex(+0x192f74) [0x55b5b4890f74]
    amrex::Amr::Amr()
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:240:1

 9: ./Castro2d.gnu.TEST.MPI.SMPLSDC.ex(+0x1f685) [0x55b5b471d685]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:131:17

10: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f96e96de1a3]
    __libc_start_main
??:0

11: ./Castro2d.gnu.TEST.MPI.SMPLSDC.ex(+0x23dbe) [0x55b5b4721dbe]
    _start
??:0