/usr/lib/x86_64-linux-gnu/libcloog-ppl.so is in libcloog-ppl-dev 0.16.1-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libcloog-ppl.so.1.0.1
/usr/lib/x86_64-linux-gnu/libcloog-ppl.so.1.0.1