Model checking
Efficient Detection of Vacuity in Temporal Model Checking
Formal Methods in System Design - Special issue on CAV '97
FoCs: Automatic Generation of Simulation Checkers from Formal Specifications
CAV '00 Proceedings of the 12th International Conference on Computer Aided Verification
Assertion-Based Design
Easier and More Informative Vacuity Checks
MEMOCODE '07 Proceedings of the 5th IEEE/ACM International Conference on Formal Methods and Models for Codesign
Temporal antecedent failure: refining vacuity
CONCUR'07 Proceedings of the 18th international conference on Concurrency Theory
Model-driven design and validation of embedded software
Proceedings of the 6th International Workshop on Automation of Software Test
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The paper tackles the problem of property qualification focusing in particular on the identification of vacuous properties. It proposes a methodology based on a combination of dynamic and static techniques that, given a set of properties defined to check the correctness of a design implementation, performs vacuity detection. Existing approaches for vacuity checking are as complex as model checking, and they require to define and model check further properties, thus increasing the verification time. Moreover, for some formulae they fail to detect vacuity, as for example in case of tautology. These problems are overcome by our approach. It is based on mutation analysis, thus, it does not require the definition of new properties granting a speed-up of the vacuity analysis process. Moreover, it provides highly accurate vacuity alerts which capture also propositional and temporal tautologies.