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Large language models (LLMs) have recently shown strong potential for generating project-level unit tests. However, existing state-of-the-art approaches primarily rely on execution-path information to guide prompt construction, which is…

Software Engineering · Computer Science 2026-04-27 Guancheng Wang , Qinghua Xu , Lionel C. Briand , Zhaoqiang Guo , Kui Liu

Unit testing is essential for verifying the functional correctness of code modules (e.g., classes, methods), but manually writing unit tests is often labor-intensive and time-consuming. Unit tests generated by tools that employ traditional…

Software Engineering · Computer Science 2026-02-13 Alex Chudic , Gül Çalıklı

In this paper, we focus on automating two of the widely used Verification and Validation (V&V) activities in the Software Development Lifecycle (SDLC): Software testing and software inspection (also known as review). Concerning the former,…

Software Engineering · Computer Science 2026-04-17 Zoe Fingleton , Nazanin Siavash , Armin Moin

While large language models (LLMs) have demonstrated the ability to generate hardware description language (HDL) code for digital circuits, they still suffer from the hallucination problem, which leads to the generation of incorrect HDL…

Hardware Architecture · Computer Science 2024-07-29 Wenhao Sun , Bing Li , Grace Li Zhang , Xunzhao Yin , Cheng Zhuo , Ulf Schlichtmann

Testing is widely recognized as an important stage of the software development lifecycle. Effective software testing can provide benefits such as bug finding, preventing regressions, and documentation. In terms of documentation, unit tests…

Software Engineering · Computer Science 2022-04-22 Elizabeth Dinella , Gabriel Ryan , Todd Mytkowicz , Shuvendu K. Lahiri

Detecting hallucinations in large language model (LLM) outputs is pivotal, yet traditional fine-tuning for this classification task is impeded by the expensive and quickly outdated annotation process, especially across numerous vertical…

Artificial Intelligence · Computer Science 2024-07-09 Dongxu Zhang , Varun Gangal , Barrett Martin Lattimer , Yi Yang

Large language models (LLMs) have recently achieved notable success in code-generation benchmarks such as HumanEval and LiveCodeBench. However, a detailed examination reveals that these evaluation suites often comprise only a limited number…

Computation and Language · Computer Science 2025-07-11 Zihan Ma , Taolin Zhang , Maosong Cao , Junnan Liu , Wenwei Zhang , Minnan Luo , Songyang Zhang , Kai Chen

As Large Language Models (LLMs) become more pervasive across various users and scenarios, identifying potential issues when using these models becomes essential. Examples of such issues include: bias, inconsistencies, and hallucination.…

Artificial Intelligence · Computer Science 2024-05-24 Maryam Amirizaniani , Jihan Yao , Adrian Lavergne , Elizabeth Snell Okada , Aman Chadha , Tanya Roosta , Chirag Shah

Large language models (LLMs) have demonstrated impressive performance in both research and real-world applications, but they still struggle with hallucination. Existing hallucination detection methods often perform poorly on sentence-level…

Computation and Language · Computer Science 2025-09-01 Weizhi Gao , Xiaorui Liu , Feiyi Wang , Dan Lu , Junqi Yin

The design and implementation of unit tests is a complex task many programmers neglect. This research evaluates the potential of Large Language Models (LLMs) in automatically generating test cases, comparing them with manual tests. An…

Software Engineering · Computer Science 2025-05-16 Martín Rodríguez , Gustavo Rossi , Alejandro Fernandez

We demonstrate LLARS (LLM Assisted Research System), an open-source platform that bridges the gap between domain experts and developers for building LLM-based systems. It integrates three tightly connected modules into an end-to-end…

Artificial Intelligence · Computer Science 2026-05-12 Philipp Steigerwald , Mara Stieler , Jennifer Burghardt , Eric Rudolph , Jens Albrecht

Code generation aims to automatically generate code from input requirements, significantly enhancing development efficiency. Recent large language models (LLMs) based approaches have shown promising results and revolutionized code…

Software Engineering · Computer Science 2025-01-20 Ziyao Zhang , Yanlin Wang , Chong Wang , Jiachi Chen , Zibin Zheng

Retrieval-augmented generation (RAG) has become a main technique for alleviating hallucinations in large language models (LLMs). Despite the integration of RAG, LLMs may still present unsupported or contradictory claims to the retrieved…

Computation and Language · Computer Science 2024-05-20 Cheng Niu , Yuanhao Wu , Juno Zhu , Siliang Xu , Kashun Shum , Randy Zhong , Juntong Song , Tong Zhang

Automating unit test generation remains a significant challenge, particularly for complex methods in real-world projects. While Large Language Models (LLMs) have made strides in code generation, they struggle to achieve high branch coverage…

Software Engineering · Computer Science 2025-09-01 Sijia Gu , Noor Nashid , Ali Mesbah

The integration of Large Language Models (LLMs), such as ChatGPT and GitHub Copilot, into software engineering workflows has shown potential to enhance productivity, particularly in software testing. This paper investigates whether LLM…

Software Engineering · Computer Science 2025-02-17 Rudolf Ramler , Philipp Straubinger , Reinhold Plösch , Dietmar Winkler

Empowered by large language models (LLMs), intelligent agents have become a popular paradigm for interacting with open environments to facilitate AI deployment. However, hallucinations generated by LLMs-where outputs are inconsistent with…

Machine Learning · Computer Science 2025-07-23 Siyuan Liu , Wenjing Liu , Zhiwei Xu , Xin Wang , Bo Chen , Tao Li

Legacy software systems, written in outdated languages like MUMPS and mainframe assembly, pose challenges in efficiency, maintenance, staffing, and security. While LLMs offer promise for modernizing these systems, their ability to…

Large language models (LLMs) are increasingly deployed across diverse domains, yet they are prone to generating factually incorrect outputs - commonly known as "hallucinations." Among existing mitigation strategies, uncertainty-based…

Computation and Language · Computer Science 2025-03-11 Samir Abdaljalil , Hasan Kurban , Parichit Sharma , Erchin Serpedin , Rachad Atat

Large language models (LLMs) have revolutionized the field of natural language processing with their impressive reasoning and question-answering capabilities. However, these models are sometimes prone to generating credible-sounding but…

Computation and Language · Computer Science 2026-04-21 Ranganath Krishnan , Piyush Khanna , Omesh Tickoo

The large language model (LLM) based agents have demonstrated their capacity to automate and expedite software development processes. In this paper, we focus on game development and propose a multi-agent collaborative framework, dubbed…

Artificial Intelligence · Computer Science 2025-09-09 Dake Chen , Haoyang Zhang , Hanbin Wang , Yunhao Huo , Yuzhao Li , Junjie Wang