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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Collaborative Verification and Testing with Explicit Assumptions
verfasst von : Maria Christakis, Peter Müller, Valentin Wüstholz
Erschienen in: FM 2012: Formal Methods
Verlag: Springer Berlin Heidelberg
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Many mainstream static code checkers make a number of compromises to improve automation, performance, and accuracy. These compromises include not checking certain program properties as well as making implicit, unsound assumptions. Consequently, the results of such static checkers do not provide definite guarantees about program correctness, which makes it unclear which properties remain to be tested. We propose a technique for collaborative verification and testing that makes compromises of static checkers explicit such that they can be compensated for by complementary checkers or testing. Our experiments suggest that our technique finds more errors and proves more properties than static checking alone, testing alone, and combinations that do not explicitly document the compromises made by static checkers. Our technique is also useful to obtain small test suites for partially-verified programs.