=== 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.ex(+0x1c6495) [0x55fe2cad3495] amrex::BLBackTrace::print_backtrace_info(_IO_FILE*) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:167:39 1: ./Castro1d.gnu.TEST.MPI.ex(+0x1c8313) [0x55fe2cad5313] amrex::BLBackTrace::handler(int) /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_BLBackTrace.cpp:71:8 2: /lib64/libc.so.6(+0x3c6b0) [0x7f4b440946b0] __restore_rt ??:0 3: /lib64/libc.so.6(gsignal+0x145) [0x7f4b44094625] raise ??:0 4: /lib64/libc.so.6(abort+0x12b) [0x7f4b4407d8d9] abort ??:0 5: ./Castro1d.gnu.TEST.MPI.ex(+0x420a8) [0x55fe2c94f0a8] .annobin__ZSt20__replacement_assertPKciS0_S0_.end ??:0 6: ./Castro1d.gnu.TEST.MPI.ex(+0x223d0f) [0x55fe2cb30d0f] std::vector >::operator[](unsigned long) const inlined at /raid/testing/castro-gfortran/AMReX//Src/Base/AMReX_Vector.H:39:54 in amrex::StateDescriptor::sameInterps(int, int) const /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::StateDescriptor::interp(int) const /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_StateDescriptor.cpp:268:25 amrex::StateDescriptor::sameInterps(int, int) const /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_StateDescriptor.cpp:555:26 7: ./Castro1d.gnu.TEST.MPI.ex(+0x214345) [0x55fe2cb21345] std::_Vector_base, std::allocator > >::_Vector_impl_data::_M_copy_data(std::_Vector_base, std::allocator > >::_Vector_impl_data const&) inlined at /usr/include/c++/9/bits/stl_vector.h:120:4 in amrex::FillPatchIterator::Initialize(int, double, int, int, int) /usr/include/c++/9/bits/stl_vector.h:110:4 std::_Vector_base, std::allocator > >::_Vector_impl_data::_M_swap_data(std::_Vector_base, std::allocator > >::_Vector_impl_data&) /usr/include/c++/9/bits/stl_vector.h:120:4 std::vector, std::allocator > >::_M_move_assign(std::vector, std::allocator > >&&, std::integral_constant) /usr/include/c++/9/bits/stl_vector.h:1815:2 std::vector, std::allocator > >::operator=(std::vector, std::allocator > >&&) /usr/include/c++/9/bits/stl_vector.h:711:2 amrex::FillPatchIterator::Initialize(int, double, int, int, int) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_AmrLevel.cpp:954:43 8: ./Castro1d.gnu.TEST.MPI.ex(+0x218254) [0x55fe2cb25254] amrex::AmrLevel::FillPatchAdd(amrex::AmrLevel&, amrex::MultiFab&, int, double, int, int, int, int) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_AmrLevel.cpp:2204:18 9: ./Castro1d.gnu.TEST.MPI.ex(+0x512f0) [0x55fe2c95e2f0] Castro::do_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:105:33 10: ./Castro1d.gnu.TEST.MPI.ex(+0x523a0) [0x55fe2c95f3a0] Castro::subcycle_advance_ctu(double, double, int, int) /raid/testing/castro-gfortran/Castro//Source/driver/Castro_advance_ctu.cpp:482:21 11: ./Castro1d.gnu.TEST.MPI.ex(+0x4a73a) [0x55fe2c95773a] double const& std::min(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 12: ./Castro1d.gnu.TEST.MPI.ex(+0x207b0d) [0x55fe2cb14b0d] amrex::Amr::timeStep(int, double, int, int, double) /raid/testing/castro-gfortran/AMReX//Src/Amr/AMReX_Amr.cpp:2121:36 13: ./Castro1d.gnu.TEST.MPI.ex(+0x1fb44a) [0x55fe2cb0844a] 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 14: ./Castro1d.gnu.TEST.MPI.ex(+0x295a6) [0x55fe2c9365a6] main /raid/testing/castro-gfortran/Castro//Source/driver/main.cpp:143:33 15: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f4b4407f1a3] __libc_start_main ??:0 16: ./Castro1d.gnu.TEST.MPI.ex(+0x2f37e) [0x55fe2c93c37e] _start ??:0