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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Sound, Modular and Compositional Verification of the Input/Output Behavior of Programs
verfasst von : Willem Penninckx, Bart Jacobs, Frank Piessens
Erschienen in: Programming Languages and Systems
Verlag: Springer Berlin Heidelberg
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We present a sound verification approach for verifying input/output properties of programs. Our approach supports defining high-level I/O actions on top of low-level ones (compositionality), defining input/output actions without taking into account which other actions exist (modularity), and other features. As the key ingredient, we developed a separation logic over Petri nets. We also show how with the same specification style we can elegantly modularly verify “I/O-like” code that uses the Template Pattern. We have implemented our approach in the VeriFast verifier and applied it to a number of challenging examples.