Colored Petri Nets (CPN) State-space reduction is nor mally based upon behavioral equivalences or symmetries. Well-Formed Nets (WN) are a CPN flavor retaining expres sive power and allowing the direct construction of a Sym bolic Reachability Graph (SRG), that captures symmetries suitably encoded in the WN syntax. Statically specified symmetries, however, are not effective in many real cases. In this paper a new quotient graph for WN-like models is introduced, that relies upon a simple mapping of color domains into numerical domains, and makes use of linear constraints to perform a sort of symbolic execution. It is compared to a recently presented approach exploiting lo cal symmetries. The model of an asymmetric distributed algorithm is used as running example.
State-space reduction in colored PN with linearly constrained domains / L. Capra - In: Applied simulation and modelling : proceedings of the 15th IASTED international conference on applied simulation and modelling : june 26-28, 2006, Rhodes, Greece / [a cura di] M.H. Hamza. - Calgary : ACTA Press, 2006. - ISBN 0889865590. - pp. 395-401 (( Intervento presentato al 15. convegno IASTED International Conference on Applied Simulation and Modelling (ASM) tenutosi a Rhodes, Greece nel 2006.
State-space reduction in colored PN with linearly constrained domains
L. CapraPrimo
2006
Abstract
Colored Petri Nets (CPN) State-space reduction is nor mally based upon behavioral equivalences or symmetries. Well-Formed Nets (WN) are a CPN flavor retaining expres sive power and allowing the direct construction of a Sym bolic Reachability Graph (SRG), that captures symmetries suitably encoded in the WN syntax. Statically specified symmetries, however, are not effective in many real cases. In this paper a new quotient graph for WN-like models is introduced, that relies upon a simple mapping of color domains into numerical domains, and makes use of linear constraints to perform a sort of symbolic execution. It is compared to a recently presented approach exploiting lo cal symmetries. The model of an asymmetric distributed algorithm is used as running example.Pubblicazioni consigliate
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