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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Reachability Analysis of Multithreaded Software with Asynchronous Communication
verfasst von : Ahmed Bouajjani, Javier Esparza, Stefan Schwoon, Jan Strejček
Erschienen in: FSTTCS 2005: Foundations of Software Technology and Theoretical Computer Science
Verlag: Springer Berlin Heidelberg
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We introduce
asynchronous dynamic pushdown networks
(ADPN), a new model for multithreaded programs in which pushdown systems communicate via shared memory. ADPN generalizes both CPS (concurrent pushdown systems) [7] and DPN (dynamic pushdown networks) [5]. We show that ADPN exhibit several advantages as a program model. Since the reachability problem for ADPN is undecidable even in the case without dynamic creation of processes, we address the
bounded
reachability problem [7], which considers only those computation sequences where the (index of the) thread accessing the shared memory is changed at most a fixed given number of times. We provide efficient algorithms for both forward and backward reachability analysis. The algorithms are based on automata techniques for symbolic representation of sets of configurations.