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Elixir: Effective object-oriented program repair

Open access
Saha, Ripon K., Lyu, Yingjun, Yoshida, Hiroaki, Prasad, Mukul R.·2017·2017 32nd IEEE/ACM International Conference on Automated Software Engineering (ASE)

Abstract

This work is motivated by the pervasive use of method invocations in object-oriented (OO) programs, and indeed their prevalence in patches of OO-program bugs. We propose a generate-and-validate repair technique, called ELIXIR designed to be able to generate such patches. ELIXIR aggressively uses method calls, on par with local variables, fields, or constants, to construct more expressive repair-expressions, that go into synthesizing patches. The ensuing enlargement of the repair space, on account of the wider use of method calls, is effectively tackled by using a machine-learnt model to rank concrete repairs. The machine-learnt model relies on four features derived from the program context, i.e., the code surrounding the potential repair location, and the bug report. We implement ELIXIR and evaluate it on two datasets, the popular Defects4J dataset and a new dataset Bugs.jar created by us, and against 2 baseline versions of our technique, and 5 other techniques representing the state of the art in program repair. Our evaluation shows that ELIXIR is able to increase the number of correctly repaired bugs in Defects4J by 85% (from 14 to 26) and by 57% in Bugs.jar (from 14 to 22), while also significantly out-performing other state-of-the-art repair techniques including ACS, HD-Repair, NOPOL, PAR, and jGenProg.

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Metadata

Authors
Saha, R. K., Lyu, Y., Yoshida, H., & Prasad, M. R.
Venue
2017 32nd IEEE/ACM International Conference on Automated Software Engineering (ASE)
Publisher
IEEE
Published
2017-10
Pages
648-659
OpenAlex
W2767766265
Cited by
189
References
4
FWCI
14.73
Type
conference paper
Language
en
Open access
green

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Saha, R. K., Lyu, Y., Yoshida, H., & Prasad, M. R. (2017). Elixir: Effective object-oriented program repair. 2017 32nd IEEE/ACM International Conference on Automated Software Engineering (ASE). https://doi.org/10.1109/ase.2017.8115675

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