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Functional verification has become the most time-consuming phase in IC development, and Assertion-Based Verification (ABV) is key to reducing debugging time. However, existing LLM-based assertion generation methods typically pursue…

Hardware Architecture · Computer Science 2026-04-13 Yonghao Wang , Hongqin Lyu , Boling Chen , MinYang Bao , Wenchao Ding , Feng Gu , Zhiteng Chao , Jianan Mu , Kan Shi , Tiancheng Wang , Huawei Li

Large Language Models (LLMs) are computational models capable of performing complex natural language processing tasks. Leveraging these capabilities, LLMs hold the potential to transform the entire hardware design stack, with predictions…

Artificial Intelligence · Computer Science 2024-09-19 Mubashir ul Islam , Humza Sami , Pierre-Emmanuel Gaillardon , Valerio Tenace

As the complexity of software systems continues to increase, the demand for automated testing and maintenance tools is growing exponentially. To meet this urgent need, we propose a new assertion generation method based on Hardware…

Software Engineering · Computer Science 2025-08-12 Yi Zhong , Hongchao Liu , Di ZHao

Existing Large Language Model (LLM) approaches to SystemVerilog Assertion (SVA) generation primarily focus on syntactic validity and formal verification outcomes, while semantic alignment between generated assertions and natural language…

Artificial Intelligence · Computer Science 2026-05-26 Jaime Rafael Imperial , Hao Zheng

While leveraging LLMs to automatically generate SystemVerilog assertions (SVAs) from natural language specifications holds great potential, existing techniques face a key challenge: LLMs often lack sufficient understanding of IC design,…

Hardware Architecture · Computer Science 2026-02-18 Yonghao Wang , Jiaxin Zhou , Yang Yin , Hongqin Lyu , Zhiteng Chao , Wenchao Ding , Jing Ye , Tiancheng Wang , Huawei Li

Program verifiers such as Dafny automate proofs by outsourcing them to an SMT solver. This automation is not perfect, however, and the solver often requires hints in the form of assertions, creating a burden for the proof engineer. In this…

Logic in Computer Science · Computer Science 2025-03-05 Eric Mugnier , Emmanuel Anaya Gonzalez , Ranjit Jhala , Nadia Polikarpova , Yuanyuan Zhou

LLMs can generate SystemVerilog assertions (SVAs) from natural language specs, but single-pass outputs often lack functional coverage due to limited IC design understanding. We propose CoverAssert, an iterative framework that clusters…

Hardware Architecture · Computer Science 2026-04-14 Yonghao Wang , Yang Yin , Hongqin Lyu , Jiaxin Zhou , Zhiteng Chao , Mingyu Shi , Wenchao Ding , Yunlin Du , Jing Ye , Tiancheng Wang , Huawei Li

This paper presents RTLFixer, a novel framework enabling automatic syntax errors fixing for Verilog code with Large Language Models (LLMs). Despite LLM's promising capabilities, our analysis indicates that approximately 55% of errors in…

Hardware Architecture · Computer Science 2024-05-22 Yun-Da Tsai , Mingjie Liu , Haoxing Ren

Hardware verification is crucial in modern SoC design, consuming around 70% of development time. SystemVerilog assertions ensure correct functionality. However, existing industrial practices rely on manual efforts for assertion generation,…

SystemVerilog Assertions (SVA) are essential for formal verification of digital hardware, yet their manual creation demands significant expertise in both the design under verification and temporal logic. Recent studies have explored using…

Cryptography and Security · Computer Science 2026-04-28 Nowfel Mashnoor , Hadi Kamali , Kimia Azar

Assertion messages significantly enhance unit tests by clearly explaining the reasons behind test failures, yet they are frequently omitted by developers and automated test-generation tools. Despite recent advancements, Large Language…

Software Engineering · Computer Science 2025-09-25 Ahmed Aljohani , Anamul Haque Mollah , Hyunsook Do

System Verilog Assertion (SVA) formulation -- a critical yet complex task is a prerequisite in the Assertion Based Verification (ABV) process. Traditionally, SVA formulation involves expert-driven interpretation of specifications, which is…

Software Engineering · Computer Science 2024-07-01 Bhabesh Mali , Karthik Maddala , Vatsal Gupta , Sweeya Reddy , Chandan Karfa , Ramesh Karri

Large language models (LLMs) have demonstrated impressive capabilities in generating software code for high-level programming languages such as Python and C++. However, their application to hardware description languages, such as Verilog,…

Programming Languages · Computer Science 2026-03-13 Yan Tan , Xiangchen Meng , Zijun Jiang , Yangdi Lyu

Formal specification generation has recently drawn attention in software engineering as a way to improve program correctness without requiring manual annotations. Large Language Models (LLMs) have shown promise in this area, but early…

Software Engineering · Computer Science 2026-04-07 Ragib Shahariar Ayon , Shibbir Ahmed

Automated code generation with large language models has gained significant traction, but there remains no guarantee on the correctness of generated code. We aim to use formal verification to provide mathematical guarantees that the…

Machine Learning · Computer Science 2024-12-10 Pranjal Aggarwal , Bryan Parno , Sean Welleck

Function-level code generation leverages foundation Large Language Models (LLMs) to automatically produce source code with expected functionality. It has been widely investigated and applied in intelligent programming assistants, such as…

Software Engineering · Computer Science 2025-01-22 Hao Wen , Yueheng Zhu , Chao Liu , Xiaoxue Ren , Weiwei Du , Meng Yan

Functional simulation is an essential step in digital hardware design. Recently, there has been a growing interest in leveraging Large Language Models (LLMs) for hardware testbench generation tasks. However, the inherent instability…

Software Engineering · Computer Science 2024-11-14 Ruidi Qiu , Grace Li Zhang , Rolf Drechsler , Ulf Schlichtmann , Bing Li

Recent advancements in large language models (LLMs) have shown very impressive capabilities in code generation across many programming languages. However, even state-of-the-art LLMs generate programs that contains syntactic errors and fail…

Software Engineering · Computer Science 2025-11-25 David Jiahao Fu , Aryan Gupta , Aaron Councilman , David Grove , Yu-Xiong Wang , Vikram Adve

The exponential increase in software vulnerabilities has created an urgent need for automatic vulnerability repair (AVR) solutions. Recent research has formulated AVR as a sequence generation problem and has leveraged large language models…

Artificial Intelligence · Computer Science 2025-10-08 Xin-Cheng Wen , Zirui Lin , Yijun Yang , Cuiyun Gao , Deheng Ye

To enhance Large Language Models' (LLMs) reliability, calibration is essential -- the model's assessed confidence scores should align with the actual likelihood of its responses being correct. However, current confidence elicitation methods…

Computation and Language · Computer Science 2024-10-29 Yukun Huang , Yixin Liu , Raghuveer Thirukovalluru , Arman Cohan , Bhuwan Dhingra