189f5d41fb
This PR introduces a new feature that allows users to specify which inductive datatypes the `grind` tactic should perform case splits on. The configuration option `splitIndPred` is now set to `false` by default. The attribute `[grind cases]` is used to mark inductive datatypes and predicates that `grind` may case split on during the search. Additionally, the attribute `[grind cases eager]` can be used to mark datatypes and predicates for case splitting both during pre-processing and the search. Users can also write `grind [HasType]` or `grind [cases HasType]` to instruct `grind` to perform case splitting on the inductive predicate `HasType` in a specific instance. Similarly, `grind [-Or]` can be used to instruct `grind` not to case split on disjunctions. Co-authored-by: Leonardo de Moura <leodemoura@amazon.com> |
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