Implementation II
Compactly Representing First-Order Structures for Static Analysis
R. Manevich, G. Ramalingam, J. Field, D. Goyal, and M. Sagiv
Possibly Not Closed Convex Polyhedra and the Parma Polyhedra Library
Roberto Bagnara, Elisa Ricci, Enea Zaffanella, and Patricia M. Hill