Draft: Add new CPA for numeric libraries (Apron and Elina) as replacement of ApronCPA and OctagonCPA
This branch is the result of a bachelor thesis and will be integrated soon. The existing components are not maintained and the native libraries are outdated. The new approach will use a newer library named Elina as backend. The idea is to replace the existing CPAs for Octagon and Apron with one new CPA for numeric operations based on Elina.
Fixes: #452
Edited by Philipp Wendler