Formalizing statecharts using hierarchical automata
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Official URL: http://afp.sourceforge.net/entries/Statecharts.sht...
We formalize in Isabelle/HOL the abtract syntax and a synchronous step semantics for the specification language Statecharts. The formalization is based on Hierarchical Automata which allow a structural decomposition of Statecharts into Sequential Automata. To support the composition of Statecharts, we introduce calculating operators to construct a Hierarchical Automaton in a stepwise manner. Furthermore, we present a complete semantics of Statecharts including a theory of data spaces, which enables the modelling of racing effects. We also adapt CTL for Statecharts to build a bridge for future combinations with model checking. However the main motivation of this work is to provide a sound and complete basis for reasoning on Statecharts. As a central meta theorem we prove that the well-formedness of a Statechart is preserved by the semantics. (Abstract as appears of publisher website)
|Research Areas:||School of Science and Technology > Science & Technology|
|Deposited On:||25 May 2012 11:57|
|Last Modified:||06 Feb 2013 11:34|
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