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Using and Building an Automatic Program Verifier

Using and Building an Automatic Program Verifier. K. Rustan M. Leino Research in Software Engineering ( RiSE ) Microsoft Research, Redmond. Lecture 2 Marktoberdorf Summer School 2011 Bayrischzell , BY, Germany 6 August 2011. Isar and Dafny. lemma name: P proof

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Using and Building an Automatic Program Verifier

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  1. Using and Building an Automatic Program Verifier K. Rustan M. Leino Research in Software Engineering (RiSE) Microsoft Research, Redmond Lecture 2 Marktoberdorf Summer School 2011 Bayrischzell, BY, Germany 6 August 2011

  2. Isar and Dafny lemma name: P proof hence Q by sledgehammer hence R bysimp thus S by grind end

  3. Isar and Dafny lemma name: P proof assert Q by sledgehammer assert R bysimp assert S by grind end

  4. Isar and Dafny ghost method name() ensures P { assert Q by sledgehammer assert R bysimp assert S by grind }

  5. Isar and Dafny ghost method name() ensures P { assert Q bydafny assert R bydafny assert S bydafny }

  6. Isar and Dafny ghost method name() ensures P; { assert Q; assert R; assert S; }

  7. Ghost variables, ghost code demo FindZero continued

  8. Object structures demo List

  9. Exercises • List • http://rise4fun.com/Dafny/MbH • RockBand • http://rise4fun.com/Dafny/wjD

  10. Links • Dafny • research.microsoft.com/dafny • rise4fun • rise4fun.com • Verification Corner • research.microsoft.com/verificationcorner

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