1994
DOI: 10.1007/978-1-4471-3227-1_8
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Synchronous Observers and the Verification of Reactive Systems

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Cited by 162 publications
(109 citation statements)
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“…Incremental verification approaches are not new and have been used to improve performance of model checking procedures. A number of abstraction techniques have been proposed to simplify the verification task, for example in [1], [2], also [3] suggests the use of counter-examples for CTL model checking. The work presented in this article is based on the discrete-event system framework of [4]- [7], and proposes new approaches to system verification and synthesis based on subsystem verification and the novel combined use of counter-example and heuristics to identify suitable subsystems incrementally.…”
Section: Introductionmentioning
confidence: 99%
“…Incremental verification approaches are not new and have been used to improve performance of model checking procedures. A number of abstraction techniques have been proposed to simplify the verification task, for example in [1], [2], also [3] suggests the use of counter-examples for CTL model checking. The work presented in this article is based on the discrete-event system framework of [4]- [7], and proposes new approaches to system verification and synthesis based on subsystem verification and the novel combined use of counter-example and heuristics to identify suitable subsystems incrementally.…”
Section: Introductionmentioning
confidence: 99%
“…3: in general we want to prove that, as long as the environment behaves properly (i.e., satisfies some assumption), the program satisfies some property. Now, if we restrict ourselves to the verification of safety properties, both the assumption and the property can be expressed by some programs, called synchronous observers [HPOG89,HLR93], which receive as input all the relevant variables, and compute a single Boolean ouput, which is true as long as the inputs fulfill the considered property or assumption. The node to be verified is connected to the observers as in Fig.…”
Section: Specification and Verificationmentioning
confidence: 99%
“…In AUTOFOCUS werden Zustandsübergangsdiagramme (STDs) [Bro97b,SH99] [Mata], SCADE verwendet analog dazu sogenannte synchrone Beobachter [HLR93] zur Anforderungsspezifikation und -Verifikation [DBCB04,Est]. Auch in Programmiersprachen kann die Programmiernotation zur Spezifikation von Eigenschaften verwendet werden, indem die Erfüllung der Anforderungen an bestimmten Programmstellen durch zusätzlichen Code kontrolliert wird.…”
Section: Verwandte Arbeitenunclassified