Oliveira, M.V.M and Cavalcanti, A.L.C. and Woodcock, J.C.P.
Refining Industrial Scale Systems in Circus.
In: Communicating Process Architectures 2004, Sep 05-08, 2004 , Oxford Brooks Univ, Oxford, England.
Circus is a new notation that may be used to specify both data and behaviour aspects of a system, and has an associated refinement calculus. Although a few case studies are already available in the literature, the industrial fire control system presented in this paper is, as far as we know, the largest case study on the Circus refinement strategy. We describe the refinement and present some new laws that were needed. Our case study makes extensive use of mutual recursion; a simplified notation for specifying such systems and proving their refinements is proposed here.
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