SATViz: Real-Time Visualization of Clausal Proofs
This provides a visualization tool for SAT researchers and practitioners to analyze instance hardness and clause quality, but it is incremental as it builds on existing graph-based methods.
The paper tackles the problem of visualizing SAT instances and proofs by introducing SATViz, a tool that uses variable interaction graphs and force-directed layouts to animate clause proofs, resulting in visualizations that highlight community structure and variable occurrences in real-time.
Visual layouts of graphs representing SAT instances can highlight the community structure of SAT instances. The community structure of SAT instances has been associated with both instance hardness and known clause quality heuristics. Our tool SATViz visualizes CNF formulas using the variable interaction graph and a force-directed layout algorithm. With SATViz, clause proofs can be animated to continuously highlight variables that occur in a moving window of recently learned clauses. If needed, SATViz can also create new layouts of the variable interaction graph with the adjusted edge weights. In this paper, we describe the structure and feature set of SATViz. We also present some interesting visualizations created with SATViz.