/usr/share/acl2-7.1/books/centaur/gl/ is in acl2-books 7.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/acl2-7.1/books/centaur/gl/always-equal-prep.o
/usr/share/acl2-7.1/books/centaur/gl/arith-lemmas.o
/usr/share/acl2-7.1/books/centaur/gl/auto-bindings.o
/usr/share/acl2-7.1/books/centaur/gl/bfr-aig-bddify.o
/usr/share/acl2-7.1/books/centaur/gl/bfr-param.o
/usr/share/acl2-7.1/books/centaur/gl/bfr-sat.o
/usr/share/acl2-7.1/books/centaur/gl/bfr.o
/usr/share/acl2-7.1/books/centaur/gl/bvar-db.o
/usr/share/acl2-7.1/books/centaur/gl/bvecs.o
/usr/share/acl2-7.1/books/centaur/gl/constraint-db-deps.o
/usr/share/acl2-7.1/books/centaur/gl/constraint-db.o
/usr/share/acl2-7.1/books/centaur/gl/ctrex-utils.o
/usr/share/acl2-7.1/books/centaur/gl/def-gl-clause-proc.o
/usr/share/acl2-7.1/books/centaur/gl/def-gl-rewrite.o
/usr/share/acl2-7.1/books/centaur/gl/def-gl-rule.o
/usr/share/acl2-7.1/books/centaur/gl/defagg.o
/usr/share/acl2-7.1/books/centaur/gl/defapply.o
/usr/share/acl2-7.1/books/centaur/gl/doc.o
/usr/share/acl2-7.1/books/centaur/gl/eval-f-i-cp.o
/usr/share/acl2-7.1/books/centaur/gl/eval-g-base-help.o
/usr/share/acl2-7.1/books/centaur/gl/eval-g-base.o
/usr/share/acl2-7.1/books/centaur/gl/factor-fns.o
/usr/share/acl2-7.1/books/centaur/gl/g-always-equal.o
/usr/share/acl2-7.1/books/centaur/gl/g-ash.o
/usr/share/acl2-7.1/books/centaur/gl/g-assert.o
/usr/share/acl2-7.1/books/centaur/gl/g-binary-+.o
/usr/share/acl2-7.1/books/centaur/gl/g-binary-mult.o
/usr/share/acl2-7.1/books/centaur/gl/g-code-char.o
/usr/share/acl2-7.1/books/centaur/gl/g-coerce.o
/usr/share/acl2-7.1/books/centaur/gl/g-concretize.o
/usr/share/acl2-7.1/books/centaur/gl/g-cons.o
/usr/share/acl2-7.1/books/centaur/gl/g-equal.o
/usr/share/acl2-7.1/books/centaur/gl/g-floor.o
/usr/share/acl2-7.1/books/centaur/gl/g-hide.o
/usr/share/acl2-7.1/books/centaur/gl/g-if.o
/usr/share/acl2-7.1/books/centaur/gl/g-integer-length.o
/usr/share/acl2-7.1/books/centaur/gl/g-intern.o
/usr/share/acl2-7.1/books/centaur/gl/g-lessthan.o
/usr/share/acl2-7.1/books/centaur/gl/g-logand.o
/usr/share/acl2-7.1/books/centaur/gl/g-logapp.o
/usr/share/acl2-7.1/books/centaur/gl/g-logbitp.o
/usr/share/acl2-7.1/books/centaur/gl/g-logeqv.o
/usr/share/acl2-7.1/books/centaur/gl/g-logior.o
/usr/share/acl2-7.1/books/centaur/gl/g-lognot.o
/usr/share/acl2-7.1/books/centaur/gl/g-make-fast-alist.o
/usr/share/acl2-7.1/books/centaur/gl/g-mod.o
/usr/share/acl2-7.1/books/centaur/gl/g-predicates.o
/usr/share/acl2-7.1/books/centaur/gl/g-primitives-help.o
/usr/share/acl2-7.1/books/centaur/gl/g-rem.o
/usr/share/acl2-7.1/books/centaur/gl/g-truncate.o
/usr/share/acl2-7.1/books/centaur/gl/g-unary--.o
/usr/share/acl2-7.1/books/centaur/gl/g-unary-concrete.o
/usr/share/acl2-7.1/books/centaur/gl/general-object-thms.o
/usr/share/acl2-7.1/books/centaur/gl/general-objects.o
/usr/share/acl2-7.1/books/centaur/gl/generic-geval.o
/usr/share/acl2-7.1/books/centaur/gl/gify-thms.o
/usr/share/acl2-7.1/books/centaur/gl/gify.o
/usr/share/acl2-7.1/books/centaur/gl/gl-generic-clause-proc.o
/usr/share/acl2-7.1/books/centaur/gl/gl-generic-interp-defs.o
/usr/share/acl2-7.1/books/centaur/gl/gl-generic-interp.o
/usr/share/acl2-7.1/books/centaur/gl/gl-mbe.o
/usr/share/acl2-7.1/books/centaur/gl/gl-misc-defs.o
/usr/share/acl2-7.1/books/centaur/gl/gl-util.o
/usr/share/acl2-7.1/books/centaur/gl/gl.o
/usr/share/acl2-7.1/books/centaur/gl/glcp-config.o
/usr/share/acl2-7.1/books/centaur/gl/glcp-geval-thms.o
/usr/share/acl2-7.1/books/centaur/gl/glcp-geval.o
/usr/share/acl2-7.1/books/centaur/gl/glcp-templates.o
/usr/share/acl2-7.1/books/centaur/gl/glcp-unify-defs.o
/usr/share/acl2-7.1/books/centaur/gl/glcp-unify-thms.o
/usr/share/acl2-7.1/books/centaur/gl/gobject-type-thms.o
/usr/share/acl2-7.1/books/centaur/gl/gobject-types.o
/usr/share/acl2-7.1/books/centaur/gl/gobjectp-thms.o
/usr/share/acl2-7.1/books/centaur/gl/gobjectp.o
/usr/share/acl2-7.1/books/centaur/gl/gtests.o
/usr/share/acl2-7.1/books/centaur/gl/gtype-thms.o
/usr/share/acl2-7.1/books/centaur/gl/gtypes.o
/usr/share/acl2-7.1/books/centaur/gl/hyp-fix.o
/usr/share/acl2-7.1/books/centaur/gl/ite-merge.o
/usr/share/acl2-7.1/books/centaur/gl/param.o
/usr/share/acl2-7.1/books/centaur/gl/portcullis.o
/usr/share/acl2-7.1/books/centaur/gl/rewrites.o
/usr/share/acl2-7.1/books/centaur/gl/run-gified-cp.o
/usr/share/acl2-7.1/books/centaur/gl/rws.o
/usr/share/acl2-7.1/books/centaur/gl/shape-spec-defs.o
/usr/share/acl2-7.1/books/centaur/gl/shape-spec.o
/usr/share/acl2-7.1/books/centaur/gl/split-args.o
/usr/share/acl2-7.1/books/centaur/gl/symbolic-arithmetic.o
/usr/share/acl2-7.1/books/centaur/gl/try-gl.o
/usr/share/acl2-7.1/books/centaur/gl/tutorial.o
/usr/share/acl2-7.1/books/centaur/gl/var-bounds.o