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sav07_lecture_12_skeleton [2007/04/26 12:59] vkuncak |
sav07_lecture_12_skeleton [2007/04/26 13:19] vkuncak |
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| * factorization: transforms parameterized linear condition into a product, which becomes disjunction | * factorization: transforms parameterized linear condition into a product, which becomes disjunction | ||
| * additional lemmas | * additional lemmas | ||
| + | |||
| ===== Counterexample-driven analysis ===== | ===== Counterexample-driven analysis ===== | ||
| - | * [[http://research.microsoft.com/~leino/papers/krml155.pdf|Loop invariants on demand]] | + | * Paper: [[http://research.microsoft.com/~leino/papers/krml155.pdf|Loop invariants on demand]] |
| - | * [[http://research.microsoft.com/copyright/accept.asp?path=http://research.microsoft.com/~sriram/Papers/tacas2006.pdf&pub=15%22|Counterexample Driven Refinement for Abstract Interpretation]] | + | |
| + | |||
| + | ==== Loop invariants in demand ==== | ||
| + | |||
| + | * Paper: [[http://research.microsoft.com/copyright/accept.asp?path=http://research.microsoft.com/~sriram/Papers/tacas2006.pdf&pub=15%22|Counterexample Driven Refinement for Abstract Interpretation]] | ||
| + | |||
| + | Key points: | ||
| + | * abstract interepretation | ||
| + | * automated refinement of domain | ||
| + | * compare to ASTREE (also some parameters, e.g. packing) | ||
| + | * refinement of when to widen | ||
| + | * widening over powerset domain | ||
| + | * experimental evaluation with proving given invariants | ||
| + | |||
| + | ==== Predicate abstraction ==== | ||
| * [[Predicate abstraction]] | * [[Predicate abstraction]] | ||