=== 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(+0x149965) [0x55a9948dd965]
    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(+0x14b7e3) [0x55a9948df7e3]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: /lib64/libc.so.6(+0x3c6b0) [0x7fa30076d6b0]
    __restore_rt
??:0

 3: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x258967) [0x55a9949ec967]
    ca_mol_consup
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_mol_nd.F90:584

 4: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x687ca) [0x55a9947fc7ca]
    amrex::begin(amrex::Box const&) inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BaseFab.H:86:37 in Castro::construct_mol_hydro_source(double, double, amrex::MultiFab&)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Box.H:1496:34
amrex::Array4<double> amrex::makeArray4<double>(double*, amrex::Box const&, int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BaseFab.H:86:37
amrex::BaseFab<double>::array()
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BaseFab.H:409:29
Castro::construct_mol_hydro_source(double, double, amrex::MultiFab&)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_mol_hydro.cpp:448:50

 5: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x3f7d6) [0x55a9947d37d6]
    Castro::do_advance_sdc(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:183:28

 6: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x3b1f0) [0x55a9947cf1f0]
    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(+0x18bbad) [0x55a99491fbad]
    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(+0x17f4ca) [0x55a9949134ca]
    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(+0x1fc16) [0x55a9947b3c16]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:152:33

10: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fa3007581a3]
    __libc_start_main
??:0

11: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x243ee) [0x55a9947b83ee]
    _start
??:0