Abstract
Runtime verification is a lightweight verification technique that checks whether an execution of a system satisfies a given property. A problem in monitoring specification languages is to express parametric properties, where the correctness of a property depends on both the temporal relations of events, and the data carried by events. In this paper, we introduce parametrized extended live sequence charts (PeLSCs) for monitoring sequences of data-carrying events. The language of PeLSCs is extended from life sequence charts by introducing condition and assignment structures. We develop a translation from PeLSCs into the hybrid logic HL, and prove that the word problem of the PeLSCs is linear with respect to the size of a parametrized event trace. Therefore, the formalism is feasible for on-line monitoring.
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