fact: Definition wf (m: t) := wf_map m /\ IntMapForall (fun x => wf_map (fst x) /\ wf_map (snd x)) m.
imports: Cdcl.PatriciaR Cdcl.KeyInt Cdcl.ReifClasses Cdcl.Lib Bool Setoid ZifyBool ZArith Uint63 Lia List Cdcl.Syntax Cdcl.Clause