This file is indexed.

/usr/lib/x86_64-linux-gnu/libsidplayfp.so is in libsidplayfp-dev 1.6.0-1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libsidplayfp.so.3.1.0