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On the Complexity of LtlModel-Checking of Recursive State Machines

Torre, Salvatore La and Parlato, Gennaro (2007) On the Complexity of LtlModel-Checking of Recursive State Machines At ICALP, Poland. 09 - 13 Jul 2007. , pp. 937-948.

Record type: Conference or Workshop Item (Paper)

Abstract

Recursive state machines (rsms) are models for programs with recursive procedural calls. While Ltl model-checking is Exptime-complete on such models, on finite-state machines, it is Pspace-complete in general and becomes Np-complete for interesting fragments. In this paper, we systematically study the computational complexity of model-checking rsm s against several syntactic fragments of Ltl. Our main result shows that if in the specification we disallow next and until, and retain only the box and diamond operators, model-checking is in Np. Thus, differently from the full logic, for this fragment the abstract complexity of model-checking does not change moving from finite-state machines to rsms. Our results on the other studied fragments confirm this trend, in the sense that, moving from finite-state machines to rsm s, the complexity of model-checking either rises from Pspace-complete to Exptime-complete, or stays within Np.

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More information

Published date: 2007
Additional Information: Event Dates: July 9-13, 2007
Venue - Dates: ICALP, Poland, 2007-07-09 - 2007-07-13
Organisations: Electronic & Software Systems

Identifiers

Local EPrints ID: 272464
URI: http://eprints.soton.ac.uk/id/eprint/272464
ISBN: 978-3-540-73419-2
PURE UUID: 7b5965ab-9ae8-4b9b-b09e-1ced3ba19802

Catalogue record

Date deposited: 13 Jun 2011 14:39
Last modified: 18 Jul 2017 06:24

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Contributors

Author: Salvatore La Torre
Author: Gennaro Parlato

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