=== 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.TPROF.MPI.TRUESDC.ex(+0x20c240) [0x55a800d4a240]
    amrex::BLBackTrace::print_backtrace_info(_IO_FILE*)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:179:39

 1: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x20e080) [0x55a800d4c080]
    amrex::BLBackTrace::handler(int)
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_BLBackTrace.cpp:85:8

 2: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x32842f) [0x55a800e6642f]
    __amrex_error_module_MOD_amrex_error0
/raid/testing/castro-gfortran/amrex//Src/Base/AMReX_error_mod.F90:41

 3: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x3857c6) [0x55a800ec37c6]
    __sdc_util_MOD_sdc_vode_solve
/raid/testing/castro-gfortran/Castro//Source/sdc/sdc_util_nd.F90:524

 4: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x388b6a) [0x55a800ec6b6a]
    ca_sdc_update_o2
/raid/testing/castro-gfortran/Castro//Source/sdc/sdc_util_nd.F90:752

 5: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x11ca68) [0x55a800c5aa68]
    Castro::do_sdc_update(int, int, double)
/raid/testing/castro-gfortran/Castro//Source/sdc/Castro_sdc.cpp:173:29

 6: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x63197) [0x55a800ba1197]
    Castro::do_advance_sdc(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:224:18

 7: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x5dab0) [0x55a800b9bab0]
    Castro::advance(double, double, int, int)
/raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:62:42

 8: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x267096) [0x55a800da5096]
    amrex::Amr::timeStep(int, double, int, int, double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:1973:44

 9: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x25a3ea) [0x55a800d983ea]
    std::vector<double, std::allocator<double> >::operator[](unsigned long) inlined at /raid/testing/castro-gfortran/amrex//Src/Base/AMReX_Vector.H:36:54 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:36:54
amrex::Amr::coarseTimeStep(double)
/raid/testing/castro-gfortran/amrex//Src/Amr/AMReX_Amr.cpp:2083:26

10: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x2a1dc) [0x55a800b681dc]
    main
/raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33

11: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f1db2a9a1a3]
    __libc_start_main
??:0

12: ./Castro1d.gnu.TEST.TPROF.MPI.TRUESDC.ex(+0x3a15e) [0x55a800b7815e]
    _start
??:0


===== TinyProfilers ======
main()
Amr::coarseTimeStep()
Amr::timeStep()
Castro::advance()
Castro::do_advance_sdc()
Castro::do_sdc_update()