/usr/lib/x86_64-linux-gnu/ada/ is in libasis2017-dev 2017-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/ada/adalib/
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-a_alloc.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-a_debug.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-a_elists.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-a_opt.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-a_osint.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-a_output.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-a_sem.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-a_sinput.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-a_stand.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-a_types.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-asis_tables.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-contt-dp.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-contt-sd.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-contt-tt.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-contt-ut.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-contt.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-cu_info2.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-dda_aux.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-decl_sem.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-defaults.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-ee_cache.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-encl_el.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-expr_sem.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-get_unit.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-gnat_int.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-gnsa_switch.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-int_knds.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-itests.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-knd_conv.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-mapping.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-norm.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-queries.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-skip_tb.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-span_beginning.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-span_end.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-stand.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-tree_rec.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-u_conv.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-unit_rec.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g-vcheck.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/a4g.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-ada_environments-containers.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-ada_environments.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-clauses.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-compilation_units-relations.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-compilation_units-times.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-compilation_units.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-data_decomposition-aux.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-data_decomposition-debug.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-data_decomposition-extensions.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-data_decomposition-set_get.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-data_decomposition-vcheck.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-data_decomposition.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-declarations.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-definitions.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-elements.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-errors.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-exceptions.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-expressions.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-extensions-flat_kinds.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-extensions-iterator.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-extensions-strings.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-extensions.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-ids.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-implementation-permissions.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-implementation.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-iterator.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-limited_views.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-set_get.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-statements.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-text-set_get.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis-text.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/asis/asis.ali