This file is indexed.

/usr/lib/x86_64-linux-gnu/libvtkCommonSystemTCL-7.1.so is in libvtk7-dev 7.1.1+dfsg1-2.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libvtkCommonSystemTCL-7.1.so.7.1