IB-Net introduces a novel approach to address the challenges of unsatisfiability problems in the context of Logic Equivalence Checking (LEC). By utilizing graph neural networks and innovative graph encoding techniques, IB-Net aims to model unsatisfiable problems and interact with state-of-the-art solvers. The framework has been extensively evaluated across various solvers and datasets, demonstrating significant acceleration in runtime speedup. Specifically, IB-Net achieved an average runtime speedup of 5.0% on industrial data and 8.3% on SAT competition data empirically. This breakthrough advancement promises efficient solving in LEC workflows by predicting UNSAT-core variables and guiding solver decisions effectively.
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