=== 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.TPROF.MPI.OMP.ex(+0x18ae35) [0x562651cc5e35]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:172:39

 1: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x18ca86) [0x562651cc7a86]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:76:8

 2: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x8826d) [0x562651bc326d]
    amrex::Error(char const*) inlined at /raid/testing/castro-gfortran/Castro//Source/problems/Castro_bc_fill_nd.cpp:88:19 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:102:5
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:88:19

 3: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x211b11) [0x562651d4cb11]
    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.TPROF.MPI.OMP.ex(+0x213cd8) [0x562651d4ecd8]
    amrex::StateDataPhysBCFunct::operator()(amrex::MultiFab&, int, int, amrex::IntVect const&, double, int) [clone ._omp_fn.0]
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:906:44

 5: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7f8ecc5ea4c6]
    GOMP_parallel
??:0

 6: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x211fef) [0x562651d4cfef]
    amrex::StateDataPhysBCFunct::operator()(amrex::MultiFab&, int, int, amrex::IntVect const&, double, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_StateData.cpp:867:5

 7: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x20d163) [0x562651d48163]
    std::enable_if<amrex::IsFabArray<amrex::MultiFab, void>::value, void>::type amrex::FillPatchSingleLevel<amrex::MultiFab, amrex::StateDataPhysBCFunct>(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::StateDataPhysBCFunct&, int)
/raid/testing/castro-gfortran/amrex//Src/AmrCore/AMReX_FillPatchUtil_I.H:53:5

 8: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x201744) [0x562651d3c744]
    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.TPROF.MPI.OMP.ex(+0x202a34) [0x562651d3da34]
    amrex::FillPatchIterator::Initialize(int, double, int, int, int)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_AmrLevel.cpp:1002:20

10: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x203427) [0x562651d3e427]
    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.TPROF.MPI.OMP.ex(+0x2b267) [0x562651b66267]
    Castro::expand_state(amrex::MultiFab&, double, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.cpp:4010:22

12: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x407ef) [0x562651b7b7ef]
    Castro::initialize_do_advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:190:19

13: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x427b7) [0x562651b7d7b7]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:55:29

14: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x432a4) [0x562651b7e2a4]
    advance_status::operator=(advance_status&&) inlined at /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:561:90 in Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro.H:148:8
Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:561:90

15: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x417da) [0x562651b7c7da]
    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.TPROF.MPI.OMP.ex(+0x1f0d7d) [0x562651d2bd7d]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2054:81

17: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x1e2dea) [0x562651d1ddea]
    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:2381:26

18: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x208ec) [0x562651b5b8ec]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

19: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f8ecc3f81a3]
    __libc_start_main
??:0

20: ./Castro2d.gnu.TEST.TPROF.MPI.OMP.ex(+0x2820e) [0x562651b6320e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::coarseTimeStep()
Amr::timeStep()
Castro::advance()
Castro::subcycle_advance_ctu()
Castro::do_advance_ctu()
Castro::initialize_do_advance()
Castro::expand_state()
FillPatchIterator::Initialize
FillPatchSingleLevel
StateDataPhysBCFunct::()
StateData::FillBoundary(geom)