/usr/share/acl2-7.1/books/coi/super-ihs/ is in acl2-books 7.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/acl2-7.1/books/coi/super-ihs/arithmetic.o
/usr/share/acl2-7.1/books/coi/super-ihs/ash.o
/usr/share/acl2-7.1/books/coi/super-ihs/basics.o
/usr/share/acl2-7.1/books/coi/super-ihs/bit-functions.o
/usr/share/acl2-7.1/books/coi/super-ihs/bit-twiddling-logops.o
/usr/share/acl2-7.1/books/coi/super-ihs/byte-p.o
/usr/share/acl2-7.1/books/coi/super-ihs/c-functions.o
/usr/share/acl2-7.1/books/coi/super-ihs/carry.o
/usr/share/acl2-7.1/books/coi/super-ihs/eric.o
/usr/share/acl2-7.1/books/coi/super-ihs/evenp.o
/usr/share/acl2-7.1/books/coi/super-ihs/fast.o
/usr/share/acl2-7.1/books/coi/super-ihs/from-rtl.o
/usr/share/acl2-7.1/books/coi/super-ihs/hacks.o
/usr/share/acl2-7.1/books/coi/super-ihs/inductions.o
/usr/share/acl2-7.1/books/coi/super-ihs/iter-sqrt.o
/usr/share/acl2-7.1/books/coi/super-ihs/logapp.o
/usr/share/acl2-7.1/books/coi/super-ihs/logbit.o
/usr/share/acl2-7.1/books/coi/super-ihs/logbitp.o
/usr/share/acl2-7.1/books/coi/super-ihs/logcar.o
/usr/share/acl2-7.1/books/coi/super-ihs/logcdr.o
/usr/share/acl2-7.1/books/coi/super-ihs/logcons.o
/usr/share/acl2-7.1/books/coi/super-ihs/logext.o
/usr/share/acl2-7.1/books/coi/super-ihs/loghead.o
/usr/share/acl2-7.1/books/coi/super-ihs/logical-logops.o
/usr/share/acl2-7.1/books/coi/super-ihs/logior-logapp-crock.o
/usr/share/acl2-7.1/books/coi/super-ihs/loglist.o
/usr/share/acl2-7.1/books/coi/super-ihs/logpair.o
/usr/share/acl2-7.1/books/coi/super-ihs/logtail.o
/usr/share/acl2-7.1/books/coi/super-ihs/lshu.o
/usr/share/acl2-7.1/books/coi/super-ihs/meta.o
/usr/share/acl2-7.1/books/coi/super-ihs/min-max.o
/usr/share/acl2-7.1/books/coi/super-ihs/plus-logapp-suck.o
/usr/share/acl2-7.1/books/coi/super-ihs/signed-byte-p-overflow.o
/usr/share/acl2-7.1/books/coi/super-ihs/super-ihs.o
/usr/share/acl2-7.1/books/coi/super-ihs/unsigned-byte-p.o