/usr/lib/x86_64-linux-gnu/libOsiClp.so.1 is in coinor-libclp1 1.15.10-3+b1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libOsiClp.so.1.12.10
/usr/lib/x86_64-linux-gnu/libOsiClp.so.1.12.10