James, Simon St and Ultes-Nitsche, Ulrich
Computing Property-Preserving Behaviour Abstractions from Trace Reductions.
Proceedings of the 20th ACM Symposium on Principles of Distributed Computing (ACM PODC'2001)
ACM Press, .
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Weakly continuation-closed abstractions are known to preserve properties satisfied within fairness, i.e. linear-time temporal properties under an abstract notion of fairness. Being defined on the complete behaviour of a distributed system, weakly continuation-closed abstractions require, in principle, an exhaustive state-space construction prior to abstraction. Constructing the state-space of a practically relevant specification exhaustively, however, is usually unfeasible. Based on the notion of traces, i.e. certain equivalence classes of behaviours, we define trace reductions. Trace reductions are a particular partial-order reduction based on the persistent-set selective search technique. We show that a trace reduction can be used on behalf of the complete behaviour of a distributed system in order to compute abstractions as well as to check whether the abstractions are weakly continuation-closed. Thus, trace reductions allow us to overcome the requirement of an exhaustive state-space construction prior to abstraction.
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