Cook, B; Fuhs, C; Nimkar, K; O Hearn, P; (2014) Disproving Termination with Overapproximation. In: FMCAD '14 Proceedings of theFMCAD '14 Proceedings of the 14th Conference on Formal Methods in Computer-Aided Design 14th Conference on Formal Methods in Computer-Aided Design. (pp. 67 - 74). ACM Green open access