/usr/lib/x86_64-linux-gnu/libgivaro.so is in libgivaro-dev 4.0.2-8ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libgivaro.so.9.0.0
/usr/lib/x86_64-linux-gnu/libgivaro.so.9.0.0