Verifying Object-Invariants in Spec#

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• Wolfram Schulte (Microsoft Research Redmond)
• Friday 09 February 2007, 14:00-15:00
• FW11.

If you have a question about this talk, please contact Matthew Parkinson.

Spec# is an experimental extension to C# that adds design-by-contract features. Contracts include method preconditions, postconditions, object invariants and history invariants. Contracts capture programmer intentions about how methods and data are to be used. The Spec# program verifier generates logical verification conditions from a Spec# program. Internally, it uses an automatic theorem prover that analyzes the verification conditions to prove the correctness of the program or find errors in it. In this lecture I will present Spec# and focus on how to verify invariants in the presence of callbacks, various forms of aliasing, and inheritance.

Remark: Incorporates results from Rustan Leino, Mike Barnett, Manuel Fähndrich, Herman Venter, Rob DeLine (all MSR ), Peter Müller and Adam Darvas (ETH), Bart Jacobs (KU Leuven), Bor-Yuh Evan Chang (Berkley), and Angelika Wallenburg (Chalmers)

This talk is part of the Logic and Semantics Seminar (Computer Laboratory) series.

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