2D dependency pairs for proving operational termination of CTRSs

Salvador Lucas; José Meseguer

doi:10.1007/978-3-319-12904-4_11

2D dependency pairs for proving operational termination of CTRSs

Research output: Contribution to journal › Article

Abstract

The notion of operational termination captures nonterminating computations due to subsidiary processes that are necessary to issue a single ‘main’ step but which often remain ‘hidden’ when the main computation sequence is observed. This highlights two dimensions of nontermination: one for the infinite sequencing of computation steps, and the other that concerns the proof of some single steps. For conditional term rewriting systems (CTRSs), we introduce a new dependency pair framework which exploits the bidimensional nature of conditional rewriting (rewriting steps + satisfaction of the conditions as reachability problems) to obtain a powerful and more expressive framework for proving operational termination of CTRSs.

Original language	English (US)
Pages (from-to)	195-212
Number of pages	18
Journal	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume	8663
DOIs	https://doi.org/10.1007/978-3-319-12904-4_11
State	Published - 2014

Keywords

Conditional term rewriting
Dependency pairs
Operational termination
Program analysis

ASJC Scopus subject areas

Theoretical Computer Science
Computer Science(all)

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10.1007/978-3-319-12904-4_11

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Lucas, S., & Meseguer, J. (2014). 2D dependency pairs for proving operational termination of CTRSs. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 8663, 195-212. https://doi.org/10.1007/978-3-319-12904-4_11

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