Adding Change Impact Analysis to the Formal Verification of C Programs

Serge Autexier; Christoph Lüth
In: Dominique M├ęry; Stephan Merz (Hrsg.). Proceedings 8th International Conference on Integrated Formal Methods. International Conference on Integrated Formal Methods (IFM-10), October 11-14, Nancy, France, LNCS, Springer, 10/2010.


Handling changes to programs and specifications efficiently is a particular challenge in formal software verification. Change impact analysis is an approach to this challenge where the effects of changes made to a document (such as a program or specification) are described in terms of rules on a semantic representation of the document. This allows to describe and delimit the effects of syntactic changes semantically. This paper presents an application of generic change impact analysis to formal software verification, using the GMOC and SAMS tools. We adapt the GMOC tool for generic change impact analysis to the SAMS verification framework for the formal verification of C programs, and show how a few simple rules are sufficient to capture the essence of change management.



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