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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

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Sarah Tilscher

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Open access Aug 2026

Proving Total Correctness of Top-Down Solvers with Widening and Narrowing

The top-down solver TD is a generic fixpoint algorithm that can be used to compute partial post-solutions of equation systems for abstract interpretation. We consider two extensions of the TD to deal with infinite strictly ascending chains. For the TD extended with warrowing, we formally prove that it always returns pa...

Sarah Tilscher, Alexandra Graß, Helmut Seidl et al. · 0 citations

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