/usr/share/acl2-7.1/books/coi/gacc/ is in acl2-books 7.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/acl2-7.1/books/coi/gacc/abstract-gacc.o
/usr/share/acl2-7.1/books/coi/gacc/addr-range.o
/usr/share/acl2-7.1/books/coi/gacc/bits.o
/usr/share/acl2-7.1/books/coi/gacc/block.o
/usr/share/acl2-7.1/books/coi/gacc/finite.o
/usr/share/acl2-7.1/books/coi/gacc/fr-path-connection.o
/usr/share/acl2-7.1/books/coi/gacc/gacc-exports.o
/usr/share/acl2-7.1/books/coi/gacc/gacc-pkg.o
/usr/share/acl2-7.1/books/coi/gacc/gacc.o
/usr/share/acl2-7.1/books/coi/gacc/gacc2.o
/usr/share/acl2-7.1/books/coi/gacc/gacc3.o
/usr/share/acl2-7.1/books/coi/gacc/gax.o
/usr/share/acl2-7.1/books/coi/gacc/list-ops-common.o
/usr/share/acl2-7.1/books/coi/gacc/list-ops-fast.o
/usr/share/acl2-7.1/books/coi/gacc/list-ops.o
/usr/share/acl2-7.1/books/coi/gacc/mem-fast.o
/usr/share/acl2-7.1/books/coi/gacc/mem.o
/usr/share/acl2-7.1/books/coi/gacc/ram.o
/usr/share/acl2-7.1/books/coi/gacc/ram0.o
/usr/share/acl2-7.1/books/coi/gacc/ram2.o
/usr/share/acl2-7.1/books/coi/gacc/ram2b.o
/usr/share/acl2-7.1/books/coi/gacc/ram3.o
/usr/share/acl2-7.1/books/coi/gacc/top.o
/usr/share/acl2-7.1/books/coi/gacc/tr-path-connection.o
/usr/share/acl2-7.1/books/coi/gacc/wrap.o