=== 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.OMP.ex() [0x517236]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39

 1: ./Castro2d.gnu.TEST.OMP.ex() [0x518e5d]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8

 2: ./Castro2d.gnu.TEST.OMP.ex() [0x45b7d6]
    amrex::Error(char const*) inlined at /raid/testing/castro-gfortran/Castro//Source/hydro/riemann_solvers.cpp:89:3 in Castro::riemanncg(amrex::Box const&, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double const>, amrex::Array4<double>, int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX.H:98:32
Castro::riemanncg(amrex::Box const&, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double const>, amrex::Array4<double>, int)
/raid/testing/castro-gfortran/Castro//Source/hydro/riemann_solvers.cpp:89:3

 3: ./Castro2d.gnu.TEST.OMP.ex() [0x4572bb]
    Castro::riemann_state(amrex::Box const&, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double const>, int, int)
/raid/testing/castro-gfortran/Castro//Source/hydro/riemann.cpp:234:14

 4: ./Castro2d.gnu.TEST.OMP.ex() [0x458a3c]
    amrex::Array4<double const>::Array4<double const, void>(amrex::Array4<double> const&) inlined at /raid/testing/castro-gfortran/Castro//Source/hydro/riemann.cpp:48:19 in Castro::cmpflx_plus_godunov(amrex::Box const&, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double const>, amrex::Array4<double const>, int)
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Array4.H:32:30
Castro::cmpflx_plus_godunov(amrex::Box const&, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double>, amrex::Array4<double const>, amrex::Array4<double const>, int)
/raid/testing/castro-gfortran/Castro//Source/hydro/riemann.cpp:48:19

 5: ./Castro2d.gnu.TEST.OMP.ex() [0x452c94]
    Castro::construct_ctu_hydro_source(double, double) [clone ._omp_fn.0]
/raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Array4.H:32:30

 6: /lib64/libgomp.so.1(GOMP_parallel+0x46) [0x7fafab8f04b6]
    GOMP_parallel
??:0

 7: ./Castro2d.gnu.TEST.OMP.ex() [0x44f560]
    Castro::construct_ctu_hydro_source(double, double)
/raid/testing/castro-gfortran/Castro//Source/hydro/Castro_ctu_hydro.cpp:1459:3

 8: ./Castro2d.gnu.TEST.OMP.ex() [0x431517]
    Castro::do_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:131:28

 9: ./Castro2d.gnu.TEST.OMP.ex() [0x431f10]
    Castro::subcycle_advance_ctu(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:521:45

10: ./Castro2d.gnu.TEST.OMP.ex() [0x4308b2]
    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

11: ./Castro2d.gnu.TEST.OMP.ex() [0x559262]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2112:44

12: ./Castro2d.gnu.TEST.OMP.ex() [0x55949d]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2173:31

13: ./Castro2d.gnu.TEST.OMP.ex() [0x54f259]
    amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2439:13

14: ./Castro2d.gnu.TEST.OMP.ex() [0x418245]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

15: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7fafab6fe1a3]
    __libc_start_main
??:0

16: ./Castro2d.gnu.TEST.OMP.ex() [0x41ea7e]
    _start
??:0