=== 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(+0x17ed15) [0x55d210b2bd15] 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(+0x180b93) [0x55d210b2db93] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8 2: /lib64/libc.so.6(+0x3c6b0) [0x7f32ab06a6b0] __restore_rt ??:0 3: /lib64/libc.so.6(gsignal+0x145) [0x7f32ab06a625] raise ??:0 4: /lib64/libc.so.6(abort+0x12b) [0x7f32ab0538d9] abort ??:0 5: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x44328) [0x55d2109f1328] .annobin__ZSt20__replacement_assertPKciS0_S0_.end ??:0 6: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x6f0de) [0x55d210a1c0de] std::vector >::operator[](unsigned long) const inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:39:54 in Castro::cons_to_prim(double) /usr/include/c++/9/bits/stl_vector.h:1060:2 amrex::Vector >::operator[](unsigned long) const /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:39:54 amrex::MFIter::LocalIndex() const /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_MFIter.H:182:96 amrex::FabArray::fabPtr(amrex::MFIter const&) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_FabArray.H:902:28 amrex::Array4 amrex::FabArray::array(amrex::MFIter const&) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_FabArray.H:967:12 Castro::cons_to_prim(double) /raid/testing/castro-gfortran/Castro//Source/hydro/Castro_hydro.cpp:38:47 7: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x51e8a) [0x55d2109fee8a] Castro::do_advance_sdc(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_sdc.cpp:163:7 8: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x4e330) [0x55d2109fb330] Castro::advance(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance.cpp:61:42 9: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x1c2645) [0x55d210b6f645] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2121:36 10: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x1b5aed) [0x55d210b62aed] std::vector >::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 >::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 11: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x28c16) [0x55d2109d5c16] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 12: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f32ab0551a3] __libc_start_main ??:0 13: ./Castro1d.gnu.TEST.MPI.TRUESDC.ex(+0x3314e) [0x55d2109e014e] _start ??:0