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1996
IEEE

Reactive Modules

12 years 6 months ago
Reactive Modules
We present a formal model for concurrent systems. The model represents synchronous and asynchronous components in a uniform framework that supports compositional (assume-guarantee) and hierarchical (stepwise-re nement) design and veri cation. While synchronous models are based on a notion of atomic computation step, and asynchronous models remove that notion by introducing stuttering, our model is based on a exible notion of what constitutes a computation step: by applying an abstraction operator to a system, arbitrarily many consecutive steps can be collapsed into step. The abstraction operator, which may turn an asynchronous system into a synchronous one, allows us to describe systems at various levels of temporal detail. For describing systems at various levels of spatial detail, we use a hiding operator that may turn a synchronous system into an asynchronous one. We illustrate the model with diverse examples from synchronous circuits, asynchronous shared-memory programs, and synchr...
Rajeev Alur, Thomas A. Henzinger
Added 07 Aug 2010
Updated 07 Aug 2010
Type Conference
Year 1996
Where LICS
Authors Rajeev Alur, Thomas A. Henzinger
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