fact: Definition graph_vcell_at (g: UFGraph) (P: Z -> Prop) (x: Addr) := EX l: list Z, !!(forall v, List.In v l <-> P v) && !! NoDup l && vcell_array_at x (map (fun x => vgamma (lg_gg g) x) l).
imports: Coq.Logic.Classical Coq.Lists.List Coq.Sets.Ensembles Coq.ZArith.ZArith Coq.micromega.Lia VST.msl.seplog VST.msl.log_normalize VST.zlist.sublist compcert.lib.Integers CertiGraph.lib.Coqlib CertiGraph.lib.Ensembles_ext CertiGraph.lib.EquivDec_ext CertiGraph.lib.Relation_ext CertiGraph.lib.List_ext CertiGraph.graph.graph_model CertiGraph.graph.weak_mark_lemmas CertiGraph.graph.path_lemmas CertiGraph.graph.graph_gen CertiGraph.graph.graph_relation CertiGraph.graph.subgraph2 CertiGraph.graph.reachable_computable CertiGraph.graph.FiniteGraph CertiGraph.graph.MathGraph CertiGraph.graph.LstGraph CertiGraph.msl_application.UnionFindGraph