/usr/lib/libkwineffects.so.1abi5 is in libkwineffects1abi5 4:4.11.13-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libkwineffects.so.1.0.0.abi5
/usr/lib/libkwineffects.so.1.0.0.abi5