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Transforming floundering into success

Published online by Cambridge University Press:  30 October 2012

LEE NAISH
LEE NAISH*
Affiliation:
Department of Computing and Information Systems, Melbourne School of Engineering University of Melbourne, Melbourne 3010, Australia (e-mail: lee@unimelb.edu.au)
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Abstract

We show how logic programs with “delays” can be transformed to programs without delays in a way that preserves information concerning floundering (also known as deadlock). This allows a declarative (model-theoretic), bottom-up or goal-independent approach to be used for analysis and debugging of properties related to floundering. We rely on some previously introduced restrictions on delay primitives and a key observation which allows properties such as groundness to be analysed by approximating the (ground) success set.

Keywords

flounderingdelayscoroutiningprogram analysisabstract interpretationprogram transformationdeclarative debugging
Type
Regular Papers
Information
Theory and Practice of Logic Programming , Volume 14 , Issue 2 , March 2014 , pp. 215 - 238
Copyright
Copyright © Cambridge University Press 2012 

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