Abstract

Safety critical circuits and systems require a specified function and real world structure to match each other. At the same time the functionality and the structure become more and more complex. This results in a high effort for design verification and test such that specification-oriented testing is getting more and more under pressure. In this paper we offer an approach to warrant the match between a specification and its structure by invertibly composing the corresponding "fingerprint" model. Conversely, the fingerprint warrants the match between specification and structure. We present a theoretical framework for creating the fingerprint from the specification and the structure, respectively, and demonstrate the parallel composition of fingerprints to an overall asynchronous feedback circuit system.

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