=== 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.OMP.ex(+0x183f35) [0x55e9b48d6f35]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:167:39

 1: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x185dd6) [0x55e9b48d8dd6]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x8930d) [0x55e9b47dc30d]
    amrex::Error(char const*) inlined at /raid/testing/castro-gfortran/Castro//Source/problems/Castro_bc_fill_nd.cpp:86:19 in ca_statefill(amrex::Box const&, amrex::FArrayBox&, int, int, amrex::Geometry const&, double, amrex::Vector<amrex::BCRec, std::allocator<amrex::BCRec> > const&, int, int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX.H:101:5
ca_statefill(amrex::Box const&, amrex::FArrayBox&, int, int, amrex::Geometry const&, double, amrex::Vector<amrex::BCRec, std::allocator<amrex::BCRec> > const&, int, int)
/raid/testing/castro-gfortran/Castro//Source/problems/Castro_bc_fill_nd.cpp:86:19

 3: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1fe41d) [0x55e9b495141d]
    amrex::StateData::FillBoundary(amrex::Box const&, amrex::FArrayBox&, double, amrex::Geometry const&, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:553:22

 4: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x200099) [0x55e9b4953099]
    amrex::StateDataPhysBCFunct::FillBoundary(amrex::MultiFab&, int, int, amrex::IntVect const&, double, int) [clone ._omp_fn.0]
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:898:44

 5: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7f1829c134b6]
    GOMP_parallel
??:0

 6: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1fcd1a) [0x55e9b494fd1a]
    amrex::StateDataPhysBCFunct::FillBoundary(amrex::MultiFab&, int, int, amrex::IntVect const&, double, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:1065:1

 7: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1f9922) [0x55e9b494c922]
    std::enable_if<amrex::IsFabArray<amrex::MultiFab, void>::value, void>::type amrex::FillPatchSingleLevel<amrex::MultiFab>(amrex::MultiFab&, amrex::IntVect const&, double, amrex::Vector<amrex::MultiFab*, std::allocator<amrex::MultiFab*> > const&, amrex::Vector<double, std::allocator<double> > const&, int, int, int, amrex::Geometry const&, amrex::PhysBCFunctBase&, int)
/raid/testing/castro-gfortran/amrex//Src/AmrCore/AMReX_FillPatchUtil_I.H:158:1

 8: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1edf74) [0x55e9b4940f74]
    std::vector<double, std::allocator<double> >::~vector() inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:22:7 in amrex::FillPatchIterator::FillFromLevel0(double, int, int, int, int)
/usr/include/c++/9/bits/stl_vector.h:677:15
amrex::Vector<double, std::allocator<double> >::~Vector()
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:22:7
amrex::FillPatchIterator::FillFromLevel0(double, int, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1088:18

 9: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1ef1c4) [0x55e9b49421c4]
    amrex::FillPatchIterator::Initialize(int, double, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1002:20

10: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1efd97) [0x55e9b4942d97]
    amrex::AmrLevel::FillPatch(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:2216:19

11: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x28c3a) [0x55e9b477bc3a]
    Castro::expand_state(amrex::MultiFab&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:3840:1

12: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x3e8a4) [0x55e9b47918a4]
    Castro::initialize_do_advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:170:19

13: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x40798) [0x55e9b4793798]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:45:29

14: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x4112c) [0x55e9b479412c]
    advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:530:90 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:140:8
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:530:90

15: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x3f86a) [0x55e9b479286a]
    double const& std::min<double>(double const&, double const&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92 in Castro::advance(double, double, int, int)
/usr/include/c++/9/bits/stl_algobase.h:205:14
Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:55:92

16: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1ddd54) [0x55e9b4930d54]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2121:36

17: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1d0367) [0x55e9b4923367]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:34:54 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:34:54
amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2439:26

18: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x1f9f6) [0x55e9b47729f6]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

19: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f1829a211a3]
    __libc_start_main
??:0

20: ./Castro2d.gnu.TEST.MPI.OMP.ex(+0x26f5e) [0x55e9b4779f5e]
    _start
??:0