@inproceedings{gor-gou-put-10-aa-zonint, author = {Ghorbal, Khalil and Goubault, Eric and Putot, Sylvie}, title = {A Logical Product Approach to Zonotope Intersection}, booktitle = {Proceedings of the 22nd International Conference on Computer Aided Verification (CAV 2010)}, year = 2010, isbn = {364214294X}, url = {https://doi.org/10.1007/978-3-642-14295-6_22}, doi = {10.1007/978-3-642-14295-6_22}, pages = {212--226}, numpages = {15}, location = {Edinburgh, UK}, comment = {Important: affine domain intersection}, abstract = {We define and study a new abstract domain which is a fine-grained combination of zonotopes with (sub-)polyhedric domains such as the interval, octagon, linear template or polyhedron domains While abstract transfer functions are still rather inexpensive and accurate even for interpreting non-linear computations, we are able to also interpret tests (i.e intersections) efficiently This fixes a known drawback of zonotopic methods, as used for reachability analysis for hybrid systems as well as for invariant generation in abstract interpretation: intersection of zonotopes are not always zonotopes, and there is not even a best zonotopic over-approximation of the intersection We describe some examples and an implementation of our method in the APRON library, and discuss some further interesting combinations of zonotopes with non-linear or non-convex domains such as quadratic templates and maxplus polyhedra.} }