Abstract
Abstract In this paper we present a new kind of semantics for Concurrent ML, apopular concurrent extension of the MLfunctional language equipped with message-passing inter-processcommunication along first-class channels. This semanticsis based on infinite domains of higher-dimensional transition systems that are able to model the asynchronous execution of concurrentoperations and is operational in nature. By dual abstract interpretation using folding of states and truncation oftransitions finite automata can be automatically derived that representa sound but imprecise semantics of a given program. They are used to compute staticproperties verified by the standardconcurrent execution of the program by means of abstractmodel-checking of modal logic formulae.
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