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Fault localization is a critical process that involves identifying specific program elements responsible for program failures. Manually pinpointing these elements, such as classes, methods, or statements, which are associated with a fault…

Software Engineering · Computer Science 2024-03-18 Ratnadira Widyasari , Jia Wei Ang , Truong Giang Nguyen , Neil Sharma , David Lo

Fault Localization (FL) aims to automatically localize buggy lines of code, a key first step in many manual and automatic debugging tasks. Previous FL techniques assume the provision of input tests, and often require extensive program…

Software Engineering · Computer Science 2023-10-04 Aidan Z. H. Yang , Ruben Martins , Claire Le Goues , Vincent J. Hellendoorn

Fault Localization (FL) aims to identify root causes of program failures. FL typically targets failures observed from test executions, and as such, often involves dynamic analyses to improve accuracy, such as coverage profiling or mutation…

Software Engineering · Computer Science 2025-10-28 Sungmin Kang , Sumi Yun , Jingun Hong , Shin Yoo , Gabin An

Fault Localization (FL) is a critical step in Automated Program Repair (APR), and its importance has increased with the rise of Large Language Model (LLM)-based repair agents. In realistic project-level repair scenarios, software…

Software Engineering · Computer Science 2026-01-27 Melika Sepidband , Hamed Taherkhani , Hung Viet Pham , Hadi Hemmati

Fault localization (FL) is a critical step in debugging, which typically relies on repeated executions to pinpoint faulty code regions. However, repeated executions can be impractical in the presence of non-deterministic failures or high…

Software Engineering · Computer Science 2026-05-13 Ahmadreza Saboor Yaraghi , Golnaz Gharachorlu , Sakina Fatima , Lionel C. Briand , Ruiyuan Wan , Ruifeng Gao

Fault Localization (FL) is an essential step during the debugging process. With the strong capabilities of code comprehension, the recent Large Language Models (LLMs) have demonstrated promising performance in diagnosing bugs in the code.…

Software Engineering · Computer Science 2025-02-25 Yihao Qin , Shangwen Wang , Yiling Lou , Jinhao Dong , Kaixin Wang , Xiaoling Li , Xiaoguang Mao

Providing timely and personalized guidance for students' programming assignments, offers significant practical value for helping students complete assignments and enhance their learning. In recent years, various automated Fault Localization…

Software Engineering · Computer Science 2025-10-01 Fang Liu , Tianze Wang , Li Zhang , Zheyu Yang , Jing Jiang , Zian Sun

Fault localization, the process of identifying the software components responsible for failures, is essential but often time-consuming. Recent advances in Large Language Models (LLMs) have enabled fault localization without extensive defect…

Software Engineering · Computer Science 2025-06-05 Inseok Yeo , Duksan Ryu , Jongmoon Baik

Identifying and resolving software faults remains a challenging and resource-intensive process. Traditional fault localization techniques, such as Spectrum-Based Fault Localization (SBFL), leverage statistical analysis of test coverage but…

Software Engineering · Computer Science 2025-03-20 Md Nakhla Rafi , Dong Jae Kim , Tse-Hsun Chen , Shaowei Wang

Due to the impressive code comprehension ability of Large Language Models (LLMs), a few studies have proposed to leverage LLMs to locate bugs, i.e., LLM-based FL, and demonstrated promising performance. However, first, these methods are…

Software Engineering · Computer Science 2025-02-19 Chuyang Xu , Zhongxin Liu , Xiaoxue Ren , Gehao Zhang , Ming Liang , David Lo

Ensuring code correctness remains a challenging problem even as large language models (LLMs) become increasingly capable at code-related tasks. While LLM-based program repair systems can propose bug fixes using only a user's bug report,…

Software Engineering · Computer Science 2025-02-21 Adam Stein , Arthur Wayne , Aaditya Naik , Mayur Naik , Eric Wong

The software development process is characterized by an iterative cycle of continuous functionality implementation and debugging, essential for the enhancement of software quality and adaptability to changing requirements. This process…

Software Engineering · Computer Science 2024-11-27 Yihao Qin , Shangwen Wang , Yan Lei , Zhuo Zhang , Bo Lin , Xin Peng , Liqian Chen , Xiaoguang Mao

Recently, Large Language Model (LLM)-based Fault Localization (FL) techniques have been proposed, and showed improved performance with explanations on FL results. However, a major issue with LLM-based FL techniques is their heavy reliance…

Software Engineering · Computer Science 2024-12-03 Jindae Kim , Jaewoo Song

Novice programmers often face challenges in fault localization due to their limited experience and understanding of programming syntax and logic. Traditional methods like Spectrum-Based Fault Localization (SBFL) and Mutation-Based Fault…

Software Engineering · Computer Science 2025-12-04 Hexiang Xu , Hengyuan Liu , Yonghao Wu , Xiaolan Kang , Xiang Chen , Yong Liu

Numerous Fault Localisation (FL) and repair techniques have been proposed to address faults in Deep Learning (DL) models. However, their effectiveness in practical applications remains uncertain due to the reliance on pre-defined rules.…

Software Engineering · Computer Science 2025-06-05 Jinhan Kim , Nargiz Humbatova , Gunel Jahangirova , Shin Yoo , Paolo Tonella

Software bugs are prevalent in modern software systems and notoriously hard to debug manually. Therefore, a large body of research efforts have been dedicated to automated software debugging, including both automated fault localization and…

Software Engineering · Computer Science 2019-10-04 Yiling Lou , Ali Ghanbari , Xia Li , Lingming Zhang , Dan Hao , Lu Zhang

Fault localization is one of the most time-consuming and error-prone parts of software debugging. There are several tools for helping developers in the fault localization process, however, they mostly target programs written in Java and…

Software Engineering · Computer Science 2021-08-30 Qusay Idrees Sarhan , Attila Szatmari , Rajmond Toth , Arpad Beszedes

Information Retrieval-based Fault Localization (IRFL) techniques aim to identify source files containing the root causes of reported failures. While existing techniques excel in ranking source files, challenges persist in bug report…

Software Engineering · Computer Science 2024-12-06 Shuai Shao , Tingting Yu

Fault localization (FL) is a critical but time-consuming task in software debugging, aiming to identify faulty code elements. While recent advances in large language models (LLMs) have shown promise for FL, they often struggle with complex…

Software Engineering · Computer Science 2025-09-26 Xinyu Shi , Zhenhao Li , An Ran Chen

Fault Localization (FL) is a key component of Large Language Model (LLM)-based Automated Program Repair (APR), yet its impact remains underexplored. In particular, it is unclear how much localization is needed, whether additional context…

Software Engineering · Computer Science 2026-04-08 Melika Sepidband , Hung Viet Pham , Hadi Hemmati
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