fact: Definition find_item_by_key (h: list heap_item) (key: key_type) := filter (fun item => Z.eq_dec (heap_item_key item) key) h.
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