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Author

Lei Bu

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Book Open access Oct 2026

From Vibe to Spec: An Empirical Study to Demystify Specifications in Code Generation

Recent advances in large language models (LLMs) for code generation have given rise to vibe coding, a programming practice in which developers interact with LLMs through unstructured natural language and primarily validate implementations by inspecting overall execution outputs. However, the inherent ambiguity and inco...

Rui-Rui He, Han-Qing Lu, Le-Zhi Ma et al. · 0 citations
Preprint Oct 2026

SpecAgent: Empowering Program Verification with Agentic Synthesis of Formal Program Specifications

Formal specifications are essential for deductive program verification, providing semantic abstractions for compositional verification of complex software. However, manually constructing specifications is labor-intensive, motivating automated synthesis. Despite recent advances in large language models (LLMs), existing...

Le-Zhi Ma, Han Wang, Shang-Qing Liu et al. · 0 citations
Jul 2026

A Comprehensive Study of Implementation Bugs in Multi-modal Agents

This work provides a comprehensive reference and guideline for classification, prevention and fix of M-agent bugs, and developed a comprehensive taxonomy that classifies bugs by global symptoms, functionality component-level symptoms, and root causes.

Suwan Li, Lei Bu, Shangqing Liu et al. · 0 citations

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