Abstract
Checking compatibility of services accessed through their behavioural interfaces is a crucial issue in Service Oriented Computing which aims at building new systems from existing software services. In this paper, we consider a model of services which takes value passing and non-observable actions into account. We propose an approach to check in a unified way several compatibility notions between two service protocols using the rewriting logic system Maude. In particular, we illustrate our approach with three widely used compatibility notions, namely opposite behaviours, unspecified receptions and deadlock freeness. These notions as well as several strategies to handle non-observable actions have been formalised and fully implemented into a prototype tool which is able to automatically detect whether two services are compatible, and return a counterexample if they are not.
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