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Conference Papers Year : 2013

A Compositional Automata-Based Semantics for Property Patterns


Dwyer et al. define a language to specify dynamic properties based on predefined patterns and scopes. To define a property, the user has to choose a pattern and a scope among a limited number of them. Dwyer et al. define the semantics of these properties by translating each composition of a pattern and a scope into usual temporal logics (LTL, CTL, etc.). First, this translational semantics is not compositional and thus not easily extensible to other patterns/scopes. Second, it is not always faithful to the natural semantics of the informal definitions. In this paper, we propose a compositional automata-based approach defining the semantics of each pattern and each scope by an automaton. Then, we propose a composition operation in such a way that the property semantics is defined by composing the automata. Hence, the semantics is compositional and easily extensible as we show it by handling many extensions to the Dwyer et al.'s language. We compare our compositional semantics with the Dwyer et al.'s translational semantics by checking whether our automata are equivalent to the Büchi automata of the LTL expressions given by Dwyer et al. In some cases, our semantics reveals a lack of homogeneity within Dwyer et al.'s semantics.

Dates and versions

hal-00831526 , version 1 (12-06-2013)



Kalou Cabrera Castillos, Frédéric Dadeau, Jacques Julliand, Bilal Kanso, Safouan Taha. A Compositional Automata-Based Semantics for Property Patterns. 10th International Conference on integrated Formal Methods - IFM 2013, Jun 2013, Turku, Finland. pp.316-330, ⟨10.1007/978-3-642-38613-8_22⟩. ⟨hal-00831526⟩
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