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sav07_lecture_12_skeleton [2007/04/26 13:12] vkuncak |
sav07_lecture_12_skeleton [2007/04/26 13:19] vkuncak |
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| * Paper: [[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]] | ||
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| ==== Loop invariants in demand ==== | ==== Loop invariants in demand ==== | ||
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| Key points: | Key points: | ||
| * abstract interepretation | * abstract interepretation | ||
| - | * automated refinement of domain: compare to ASTREE (also some parameters, e.g. packing) | + | * 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 ==== | ||