proposition: Lemma lt64_repr_false: forall i j, repable64_signed i -> repable64_signed j -> Int64.lt (Int64.repr i) (Int64.repr j) = false -> i >= j.
proof: Proof. intros. unfold Int64.lt in H1. if_tac in H1. 1: inversion H1. rewrite !Int64.signed_repr in H2; auto. Qed.
imports: Coq.ZArith.ZArith Coq.Program.Basics Coq.micromega.Lia compcert.lib.Integers compcert.common.Values VST.veric.base VST.veric.Clight_lemmas VST.veric.val_lemmas VST.veric.shares VST.msl.seplog VST.msl.shares VST.zlist.sublist VST.floyd.coqlib3 VST.floyd.functional_base VST.floyd.data_at_rec_lemmas VST.zlist.list_solver CertiGraph.lib.EquivDec_ext CertiGraph.lib.List_ext CertiGraph.graph.graph_model CertiGraph.graph.graph_gen