ESBMC v7.7: Efficient Concurrent Software Verification with Scheduling, Incremental SMT and Partial Order Reduction (Competition Contribution)

Tong Wu, Xianzhiyu Li, Edoardo Manino, Rafael Sa Menezes, Mikhail R. Gadelha, Shale Xiong, Norbert Tihanyi, Pavlos Petoumenos, Lucas C. Cordeiro

Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

Abstract

ESBMC v7.7 improves the verification of concurrent C programs by incorporating techniques such as dynamic thread scheduling, incremental SMT solving, and partial order reduction (POR). These improvements enhance the tool’s performance, particularly in exploring complex multi-threaded executions. The new scheduler prioritizes higher-thread identifiers during context switches, which helps explore deeper program states. The use of incremental SMT solving and a refined POR algorithm reduces the exploration of unreachable interleavings and redundant states. These updates enable ESBMC to detect bugs faster, making it a more effective tool for ensuring the safety of multi-threaded applications.

Original languageEnglish
Title of host publication31st International Conference on Tools and Algorithms for the Construction and Analysis of Systems
Publication statusAccepted/In press - 21 Jan 2025

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