/usr/lib/libkwinglutils.so.1abi3 is in libkwinglutils1abi3 4:4.11.8-0ubuntu6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libkwinglutils.so.1.0.0.abi3
/usr/lib/libkwinglutils.so.1.0.0.abi3