Correctness Debugging of Message Passing Programs Using Model Verification Techniques

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During the correctness debugging of non-deterministic message-passing programs the software engineers must face the probe effect, the irreproducibility, the completeness problem, and also the large state-space to be discovered. This work attempts to over-come the limitation of existing debugging solutions, and combines the traditional debugging methods with automated modeling and formal verification of parallel programs. The presented debugging framework provides user-friendly facilities for active control and highly automated observation mechanism for message passing programs based on formal methods; Petri-net modeling, partial ordering of state space, and temporal logic assertions.

This work was partially supported by the following EU FP6 grants: CoreGRID (IST-2002-004265), CancerGrid (LSHC-CT-2006-037559), and SEE-GRID-2 (031775).