We present advances we brought to Mopsa for SV-Comp 2025. Most notably, Mopsa now supports bounded trace partitioning, constant widening with thresholds, and can check that all memory has been correctly deallocated. Further, Mopsa now integrates a sound support of bitfields. While Mopsa at SV-Comp previously relied on a fixed, homogeneous set of configurations to verify tasks, it can now automatically leverage semantic information from a previous analysis to trigger heuristic precision improvements in further analyses. With these improvements, Mopsa wins a silver medal in the SoftwareSystems category and ranks fifth in the NoOverflows category.

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Mopsa-C with Trace Partitioning and Autosuggestions (Competition Contribution)

  • Raphaël Monat,
  • Abdelraouf Ouadjaout,
  • Antoine Miné

摘要

We present advances we brought to Mopsa for SV-Comp 2025. Most notably, Mopsa now supports bounded trace partitioning, constant widening with thresholds, and can check that all memory has been correctly deallocated. Further, Mopsa now integrates a sound support of bitfields. While Mopsa at SV-Comp previously relied on a fixed, homogeneous set of configurations to verify tasks, it can now automatically leverage semantic information from a previous analysis to trigger heuristic precision improvements in further analyses. With these improvements, Mopsa wins a silver medal in the SoftwareSystems category and ranks fifth in the NoOverflows category.