DeepSAT: An EDA-Driven Learning Framework for SAT

• URL: http://arxiv.org/abs/2205.13745v1
• Date: Fri, 27 May 2022 03:20:42 GMT
• Title: DeepSAT: An EDA-Driven Learning Framework for SAT
• Authors: Min Li, Zhengyuan Shi, Qiuxia Lai, Sadaf Khan, Qiang Xu
• Abstract summary: We present DeepSAT, a novel end-to-end learning framework for the Boolean satisfiability (SAT) problem. DeepSAT achieves significant accuracy improvements over state-of-the-art learning-based SAT solutions.
• Score: 9.111341161918375
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We present DeepSAT, a novel end-to-end learning framework for the Boolean satisfiability (SAT) problem. Unlike existing solutions trained on random SAT instances with relatively weak supervisions, we propose applying the knowledge of the well-developed electronic design automation (EDA) field for SAT solving. Specifically, we first resort to advanced logic synthesis algorithms to pre-process SAT instances into optimized and-inverter graphs (AIGs). By doing so, our training and test sets have a unified distribution, thus the learned model can generalize well to test sets of various sources of SAT instances. Next, we regard the distribution of SAT solutions being a product of conditional Bernoulli distributions. Based on this observation, we approximate the SAT solving procedure with a conditional generative model, leveraging a directed acyclic graph neural network with two polarity prototypes for conditional SAT modeling. To effectively train the generative model, with the help of logic simulation tools, we obtain the probabilities of nodes in the AIG being logic '1' as rich supervision. We conduct extensive experiments on various SAT instances. DeepSAT achieves significant accuracy improvements over state-of-the-art learning-based SAT solutions, especially when generalized to SAT instances that are large or with diverse distributions.

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