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arXiv · 2607.16523

SEER: Supervised Learning to Control Energetic Reasoning

Sascha Van Cauwelaert·Michele Lombardi·Pierre Schaus
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Abstract

One of the main strengths of Constraint Programming is the ability to reduce the search space via propagation. However, propagation is a double-edged sword, with more pruning power coming at the price of larger computation time. For each problem constraint, the best propagator depends on the specific instance and may change at search time. In the literature, Machine Learning (ML) techniques and activity-based heuristics have been applied respectively for choosing (statically) the propagators for a batch of problems and to adapt (dynamically) the propagation strength. We propose to merge those efforts by using an oracle function, obtained via ML, to decide whether to run complex propagators for a target constraint. A combination of design choices makes the approach flexible and easy to embed in state-of-the-art solvers. In this paper, we focus on investigating the feasibility of building an oracle for the Energetic Reasoning propagator. Our experiments show that high prediction accuracy can be obtained, provide suggestions for classification features, and highlight important issues to address when building such an oracle.

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Sascha Van Cauwelaert, Michele Lombardi, Pierre Schaus. 2026-07-17. SEER: Supervised Learning to Control Energetic Reasoning. https://arxiv.org/abs/2607.16523

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