Thomas Ball, Orna Kupferman. Better Under-Approximation of Programs by Hiding Variables. In Byron Cook, Andreas Podelski, editors, Verification, Model Checking, and Abstract Interpretation, 8th International Conference, VMCAI 2007, Nice, France, January 14-16, 2007, Proceedings. Volume 4349 of Lecture Notes in Computer Science, pages 314-328, Springer, 2007. [doi]
Abstract is missing.