NDLI: Localizing Program Errors via Slicing and Reasoning

Content Provider	IEEE Xplore Digital Library
Author	Fei Pu Yan Zhang
Copyright Year	2008
Description	Author affiliation: Sch. of Comput. & Math., Univ. of Western Sydney, Sydney, NSW (Fei Pu; Yan Zhang)
Abstract	Model-based program debugging exploits discrepancies between the program behavior anticipated by a programmer and the program's actual behavior when executed on a set of inputs. From symptoms exhibited by a failing trace, potential culprits in the program canbe localized. However, since the cause of the error is nested deeper into the code than the error itself, localizing errors and correcting the errors are most time consuming hard work. The error trace produced by a model checker may contain more information than it appears. Thus, counter examples can be enough and are indicative for the cause of violation of the property. We present an assumption-based approach to localize the cause of a property violation using reasoning with constraints. In order to reduce the time consuming for error localizing, we first use dynamic program slicing to localize several statements to account for the violation of property. Assumption among these statements is then made to point out which statement(s) is (are) faulty. Some constraints will be introduced from the properties which are model checked for the program. A calculus of reasoning with these constraints is processed under the assumption along a counterexample. If the result may be consistent, the assumption is true (we can localize errors in those statements which the assumption suppose them to be faulty), otherwise, the assumption is wrong and another assumption should be made. Some examples support the applicability and effectiveness of our approach.
Starting Page	187
Ending Page	196
File Size	239098
Page Count	10
File Format	PDF
ISBN	9780769534824
ISSN	15302059
DOI	10.1109/HASE.2008.17
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-03
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Debugging Error correction codes Fault diagnosis Heuristic algorithms Programming profession Systems engineering and theory Intelligent systems Laboratories Mathematics Australia Counterexample Error Localization Model Checking Reasoning Constraint
Content Type	Text
Resource Type	Article

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