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Paper Abstract and Keywords
Presentation 2019-03-05 15:25
Automatic Repair of Conditional Expressions for Functional Programs by Using Counterexamples
Ken Matsui, Ryosuke Sato, Naoyasu Ubayashi, Yasutaka Kamei (Kyushu Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In software development, manual bug fixing consumes much time and effort. Therefore, automated program repair methods have been studied, but there is no one for functional programs.
In this paper, we propose an automated bug fixing method for functional programs. The target language is simple typed lambda calculus with integer, boolean, and recursion, and the target defect is an error in a conditional expression of a conditional branch. First, we find an expression to be fixed using a counterexample by a software model checker for the functional programs. Second, we generate a constraint and a patch for repair. Finally, if the fixed program is judged as safe by the model checker, bug fixing is completed, and if unsafe, the repair operation is repeated for another counterexample.
We show the capabilities of the approach using case studies of bug examples.
Keyword (in Japanese) (See Japanese page) 
(in English) functional programs / automatic repair / software model checking / conditional expressions / counterexamples / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 471, SS2018-80, pp. 169-174, March 2019.
Paper # SS2018-80 
Date of Issue 2019-02-25 (SS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee SS  
Conference Date 2019-03-04 - 2019-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To SS 
Conference Code 2019-03-SS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Automatic Repair of Conditional Expressions for Functional Programs by Using Counterexamples 
Sub Title (in English)  
Keyword(1) functional programs  
Keyword(2) automatic repair  
Keyword(3) software model checking  
Keyword(4) conditional expressions  
Keyword(5) counterexamples  
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1st Author's Name Ken Matsui  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Ryosuke Sato  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Naoyasu Ubayashi  
3rd Author's Affiliation Kyushu University (Kyushu Univ.)
4th Author's Name Yasutaka Kamei  
4th Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker
Date Time 2019-03-05 15:25:00 
Presentation Time 25 
Registration for SS 
Paper # IEICE-SS2018-80 
Volume (vol) IEICE-118 
Number (no) no.471 
Page pp.169-174 
#Pages IEICE-6 
Date of Issue IEICE-SS-2019-02-25 


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