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research
Precise propagation of fault-failure correlations in program flow graphs
Authors
WK Chan
B Jiang
TH Tse
Z Zhang
Publication date
1 January 2011
Publisher
'Institute of Electrical and Electronics Engineers (IEEE)'
Doi
Cite
Abstract
Statistical fault localization techniques find suspicious faulty program entities in programs by comparing passed and failed executions. Existing studies show that such techniques can be promising in locating program faults. However, coincidental correctness and execution crashes may make program entities indistinguishable in the execution spectra under study, or cause inaccurate counting, thus severely affecting the precision of existing fault localization techniques. In this paper, we propose a BlockRank technique, which calculates, contrasts, and propagates the mean edge profiles between passed and failed executions to alleviate the impact of coincidental correctness. To address the issue of execution crashes, Block-Rank identifies suspicious basic blocks by modeling how each basic block contributes to failures by apportioning their fault relevance to surrounding basic blocks in terms of the rate of successful transition observed from passed and failed executions. BlockRank is empirically shown to be more effective than nine representative techniques on four real-life medium-sized programs. © 2011 IEEE.published_or_final_versionProceedings of the 35th IEEE Annual International Computer Software and Applications Conference (COMPSAC 2011), Munich, Germany, 18-22 July 2011, p. 58-6
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oai:hub.hku.hk:10722/152015
Last time updated on 01/06/2016