Using three-valued logic to specify and verify algorithms of computational geometry
ICFEM'05 Proceedings of the 7th international conference on Formal Methods and Software Engineering
Dependable polygon-processing algorithms for safety-critical embedded systems
EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
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In principle, bounded model checking (BMC) leads to semi-decision procedures that can be used to verify liveness properties and to falsify safety properties. If the procedures fail, there is usually no information about the validity of the considered specification. In this paper, we present a new approach to BMC based on three-valued logic that allows us in many cases to falsify liveness properties and to verify safety properties. Moreover, we employ both global and local model checking to take advantage of the different types of specifications that can be handled by these techniques.