(** * Lemmas about the Dry Machine*)
From mathcomp.ssreflect Require Import ssreflect ssrbool ssrnat seq ssrfun eqtype fintype finfun.
Set Implicit Arguments.
(*NOTE: because of redefinition of [val], these imports must appear after Ssreflect eqtype.*)
(* Require Import compcert.common.Events. *)
Global Notation "a # b" := (Maps.PMap.get b a) (at level 1).
(** This file holds various results about the dry machine*)
(* Find other lemmas in dry_machine_step_lemmas.v        *)
Module ThreadPoolWF.
Section ThreadPoolWF.
Context {Sem : Semantics}.
Existing Instance DryHybridMachine.dryResources.
Existing Instance OrdinalPool.OrdinalThreadPool.
(** Take an instance of the Dry Machine *)
Existing Instance DryHybridMachine.DryHybridMachineSig.

Lemma invariant_not_freeable:
forall tp
(Hinv: invariant tp),
forall b ofs,
(forall i (cnti: containsThread tp i), (getThreadR cnti).2 # b ofs <> Some Freeable) /\
(forall laddr rmap (Hres: lockRes tp laddr = Some rmap), rmap.2 # b ofs <> Some Freeable).