/usr/lib/x86_64-linux-gnu/libcaca++.so.0 is in libcaca0 0.99.beta19-2build2~gcc5.3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libcaca++.so.0.99.19
/usr/lib/x86_64-linux-gnu/libcaca++.so.0.99.19