fact: Definition initial_item_list (size : Z) : list heap_item := map (fun i => (i, Int.zero, Int.zero)) (List_ext.nat_inc_list (Z.to_nat size)).
imports: RelationClasses VST.floyd.proofauto CertiGraph.lib.List_ext CertiGraph.binheap.binary_heap_pro CertiGraph.binheap.binary_heap_malloc_spec CertiGraph.binheap.binary_heap_model CertiGraph.binheap.binary_heap_Zmodel