Automated Complexity Analysis Based on the Dependency Pair Method

  • Authors:
  • Nao Hirokawa;Georg Moser

  • Affiliations:
  • School of Information Science, Japan Advanced Institute of Science and Technology, Japan;Institute of Computer Science, University of Innsbruck, Austria

  • Venue:
  • IJCAR '08 Proceedings of the 4th international joint conference on Automated Reasoning
  • Year:
  • 2008

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Abstract

In this paper, we present a variant of the dependency pair method for analysing runtime complexities of term rewrite systems automatically. This method is easy to implement, but significantly extends the analytic power of existing direct methods. Our findings extend the class of TRSs whose linear or quadratic runtime complexity can be detected automatically. We provide ample numerical data for assessing the viability of the method.