This file is indexed.

/usr/lib/x86_64-linux-gnu/libphononexperimental.so is in libphononexperimental-dev 4:4.7.1-0ubuntu8.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/x86_64-linux-gnu/libphononexperimental.so.4