=== 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.TRUESDC.ex(+0x154995) [0x5636a4123995]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39

 1: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x156813) [0x5636a4125813]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: /lib64/libc.so.6(+0x3c6b0) [0x7fe0e88c06b0]
    __restore_rt
??:0

 3: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x2d182d) [0x5636a42a082d]
    ca_ctoprim
/raid/testing/castro-gfortran/Castro//Source/hydro/advection_util_nd.F90:582

 4: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x69137) [0x5636a4038137]
    Castro::cons_to_prim(double)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_hydro.cpp:53:62

 5: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x4917b) [0x5636a401817b]
    Castro::do_advance_sdc(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:161:7

 6: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x43cfb) [0x5636a4012cfb]
    Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:61:42

 7: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x19601d) [0x5636a416501d]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2121:36

 8: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x18995a) [0x5636a415895a]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:33:54 in amrex::Amr::coarseTimeStep(double)
/usr/include/c++/9/bits/stl_vector.h:1042:2
amrex::Vector<double, std::allocator<double> >::operator[](unsigned long)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:33:54
amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2439:26

 9: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x26fd6) [0x5636a3ff5fd6]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

10: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fe0e88ab1a3]
    __libc_start_main
??:0

11: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x2c2de) [0x5636a3ffb2de]
    _start
??:0