This file is indexed.

/usr/lib/x86_64-linux-gnu/libpreludedbcpp.so is in libpreludedb-dev 4.1.0-1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libpreludedbcpp.so.2.2.1