fact: Definition invert_size_of_arg_dumb (v : Z) : Z * Z := (1%Z, v).
imports: Coq.micromega.Lia Coq.ZArith.ZArith Coq.QArith.QArith Coq.Classes.Morphisms Coq.Setoids.Setoid Coq.Lists.List PerformanceExperiments.Harness PerformanceExperiments.LetIn PerformanceExperiments.ListRectInstances