Data Abstraction Techniques in the Validation of CSP-OZ Specifications

Abstract.

CSP-OZ is an integrated formal method which combines the state-oriented specification language Object-Z with the process algebra CSP, thereby allowing a description of static as well as dynamic aspects of a system. Checking correctness of CSP-OZ specifications can be done via a translation into (FDR-)CSP, on which automatic verification can be performed with the FDR model checker if the state space of the resulting CSP process is not too large to be processed. This paper investigates how data abstraction techniques can be used to bring a translated specification within range of automatic verification.