/usr/lib/x86_64-linux-gnu/libvala-0.16.so.0 is in libvala-0.16-0 0.16.1-2ubuntu4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libvala-0.16.so.0.0.0
/usr/lib/x86_64-linux-gnu/libvala-0.16.so.0.0.0