Towards a Transition System Semantics for Alloy Public
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Alloy is a language for modeling systems using first order logic and relational algebra. In this paper we examine the use of Alloy for creating models of stateful systems, and we explore semantics for Alloy that define transition systems over database instances based on Alloy specifications written in the state-signature idiom. One such semantics is fully adequate for the original semantics of Alloy. We prove an undecidability result concerning the automatic synthesis of programs from specifications under this semantics.
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