Abstract:Abstract. The success of applying model-checking to large systems depends crucially on the choice of good abstractions. In this work we present an approach for constructing abstractions when checking Nextfree universal CTL * properties. It is known that functional abstractions are safe and that Next-free universal CTL * is insensitive to finite stuttering. We exploit these results by introducing a safe Next-free abstraction that is typically smaller than the usual functional one while at the same time more pre… Show more
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