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--- sav08:lecture04 [2008/03/02 22:33]
vkuncak
+++ sav08:lecture04 [2008/03/04 16:39]
vkuncak
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 [[Backward VCG]]
-We next look at proof rules for loops, assuming loop invariants are given.
-[[Hoare Logic Rule for Loops]]
-We next look at a program semantics that has explicit error conditions, and that gives nice rules for weakest preconditions.
-[[Assert and Error Conditions]]
-We next discuss a particular approach for generating verification conditions that admits simpler loop invariants.
-[[ESC/Java Loop Desugaring]]
-[[Practical Aspects of VCG]]
-=== Further reading ===
-  * [[Calculus of Computation Textbook]], Chapter 5 (Program Correctness: Mechanics)
-==== Annotations in Control-Flow Graphs ====
-  * [[http://research.microsoft.com/~leino/papers/krml157.pdf|Weakest preconditions for unstructured programs]]
-==== Loop Unrolling ====
-===== Size of verification conditions =====
-  * one-point rule for equality
-  * introducing fresh names for branches
-  * general-purpose simplifications
-  * concolic testing idea
-  * [[http://doi.acm.org/10.1145/360204.360220|Avoiding exponential explosion: generating compact verification conditions]]
-  * [[http://www.cs.utexas.edu/users/sandip/publications/symbolic-lpar/main.html|Verification Condition Generation via Theorem Proving]]
-  * [[http://osl.cs.uiuc.edu/~ksen/cute/|CUTE Tool]]
-===== Havoc and ESC/Java Loop Transformation =====
-[[:sav07_lecture_4#more_on_wp|Notes on wp from last year]]