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lit_is_unboxed(l: base_lit) : Prop := match l with
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
lit_is_unboxed
val_is_unboxed(v : val) : Prop := match v with | LitV l => lit_is_unboxed l | InjLV (LitV l) => lit_is_unboxed l | InjRV (LitV l) => lit_is_unboxed l | _ => False end.
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
val_is_unboxed
Instancelit_is_unboxed_dec l : Decision (lit_is_unboxed l). Proof. destruct l; simpl; exact (decide _). Defined.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instanceval_is_unboxed_dec v : Decision (val_is_unboxed v). Proof. destruct v as [ | | | [] | [] ]; simpl; exact (decide _). Defined.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
vals_compare_safe(vl v1 : val) : Prop := val_is_unboxed vl ∨ val_is_unboxed v1.
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
vals_compare_safe
Argumentsvals_compare_safe !_ !_ /.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Arguments
state: Type := { heap: gmap loc (option val); used_proph_id: gset proph_id; }.
Record
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
state
to_of_valv : to_val (of_val v) = Some v. Proof. by destruct v. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
to_of_val
of_to_vale v : to_val e = Some v → of_val v = e. Proof. destruct e=>//=. by intros [= <-]. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
of_to_val
Instanceof_val_inj : Inj (=) (=) of_val. Proof. intros ??. congruence. Qed.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instancebase_lit_eq_dec : EqDecision base_lit. Proof. solve_decision. Defined.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instanceun_op_eq_dec : EqDecision un_op. Proof. solve_decision. Defined.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instancebin_op_eq_dec : EqDecision bin_op. Proof. solve_decision. Defined.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instanceexpr_eq_dec : EqDecision expr. Proof. refine ( fix go (e1 e2 : expr) {struct e1} : Decision (e1 = e2) := match e1, e2 with | Val v, Val v' => cast_if (decide (v = v')) | Var x, Var x' => cast_if (decide (x = x')) | Rec f x e, Rec f' x' e' => cast_if_and3 (decide (f = f')) (decid...
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instanceval_eq_dec : EqDecision val. Proof. solve_decision. Defined.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instancebase_lit_countable : Countable base_lit. Proof. refine (inj_countable' (λ l, match l with | LitInt n => (inl (inl n), None) | LitBool b => (inl (inr b), None) | LitUnit => (inr (inl false), None) | LitPoison => (inr (inl true), None) | LitLoc l => (inr (inr l), None) | LitProphecy p => (inr (inl fa...
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instanceun_op_finite : Countable un_op. Proof. refine (inj_countable' (λ op, match op with NegOp => 0 | MinusUnOp => 1 end) (λ n, match n with 0 => NegOp | _ => MinusUnOp end) _); by intros []. Qed.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instancebin_op_countable : Countable bin_op. Proof. refine (inj_countable' (λ op, match op with | PlusOp => 0 | MinusOp => 1 | MultOp => 2 | QuotOp => 3 | RemOp => 4 | AndOp => 5 | OrOp => 6 | XorOp => 7 | ShiftLOp => 8 | ShiftROp => 9 | LeOp => 10 | LtOp => 11 | EqOp => 12 | OffsetOp => 13 end) (λ n, match n ...
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instanceexpr_countable : Countable expr. Proof. set (enc := fix go e := match e with | Val v => GenNode 0 [gov v] | Var x => GenLeaf (inl (inl x)) | Rec f x e => GenNode 1 [GenLeaf (inl (inr f)); GenLeaf (inl (inr x)); go e] | App e1 e2 => GenNode 2 [go e1; go e2] | UnOp op e => GenNod...
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instanceval_countable : Countable val. Proof. refine (inj_countable of_val to_val _); auto using to_of_val. Qed.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instancestate_inhabited : Inhabited state := populate {| heap := inhabitant; used_proph_id := inhabitant |}.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instanceval_inhabited : Inhabited val := populate (LitV LitUnit).
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
Instanceexpr_inhabited : Inhabited expr := populate (Val inhabitant). Canonical Structure stateO := leibnizO state. Canonical Structure locO := leibnizO loc. Canonical Structure valO := leibnizO val. Canonical Structure exprO := leibnizO expr.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
ectx_item:= | AppLCtx (v2 : val) | AppRCtx (e1 : expr) | UnOpCtx (op : un_op) | BinOpLCtx (op : bin_op) (v2 : val) | BinOpRCtx (op : bin_op) (e1 : expr) | IfCtx (e1 e2 : expr) | PairLCtx (v2 : val) | PairRCtx (e1 : expr) | FstCtx | SndCtx | InjLCtx | InjRCtx | CaseCtx (e1 : expr) (e2 : expr) ...
Inductive
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
ectx_item
fill_item(Ki : ectx_item) (e : expr) : expr := match Ki with | AppLCtx v2 => App e (of_val v2) | AppRCtx e1 => App e1 e | UnOpCtx op => UnOp op e | BinOpLCtx op v2 => BinOp op e (Val v2) | BinOpRCtx op e1 => BinOp op e1 e | IfCtx e1 e2 => If e e1 e2 | PairLCtx v2 => Pair e (Val v2) | PairRCtx e1 => Pa...
Fixpoint
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
fill_item
subst(x : string) (v : val) (e : expr) : expr := match e with | Val _ => e | Var y => if decide (x = y) then Val v else Var y | Rec f y e => Rec f y $ if decide (BNamed x ≠ f ∧ BNamed x ≠ y) then subst x v e else e | App e1 e2 => App (subst x v e1) (subst x v e2) | UnOp op e => UnOp op (subst x v e) ...
Fixpoint
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
subst
subst'(mx : binder) (v : val) : expr → expr := match mx with BNamed x => subst x v | BAnon => id end.
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
subst'
un_op_eval(op : un_op) (v : val) : option val := match op, v with | NegOp, LitV (LitBool b) => Some $ LitV $ LitBool (negb b) | NegOp, LitV (LitInt n) => Some $ LitV $ LitInt (Z.lnot n) | MinusUnOp, LitV (LitInt n) => Some $ LitV $ LitInt (- n) | _, _ => None end.
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
un_op_eval
bin_op_eval_int(op : bin_op) (n1 n2 : Z) : option base_lit := match op with | PlusOp => Some $ LitInt (n1 + n2) | MinusOp => Some $ LitInt (n1 - n2) | MultOp => Some $ LitInt (n1 * n2) | QuotOp => Some $ LitInt (n1 `quot` n2) | RemOp => Some $ LitInt (n1 `rem` n2) | AndOp => Some $ LitInt (Z.land n1 n2) ...
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
bin_op_eval_int
bin_op_eval_bool(op : bin_op) (b1 b2 : bool) : option base_lit := match op with | PlusOp | MinusOp | MultOp | QuotOp | RemOp => None | AndOp => Some (LitBool (b1 && b2)) | OrOp => Some (LitBool (b1 || b2)) | XorOp => Some (LitBool (xorb b1 b2)) | ShiftLOp | ShiftROp => None | LeOp | LtOp => None | EqOp ...
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
bin_op_eval_bool
bin_op_eval_loc(op : bin_op) (l1 : loc) (v2 : base_lit) : option base_lit := match op, v2 with | OffsetOp, LitInt off => Some $ LitLoc (l1 +ₗ off) | LeOp, LitLoc l2 => Some $ LitBool (bool_decide (l1 ≤ₗ l2)) | LtOp, LitLoc l2 => Some $ LitBool (bool_decide (l1 <ₗ l2)) | _, _ => None end.
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
bin_op_eval_loc
bin_op_eval(op : bin_op) (v1 v2 : val) : option val := if decide (op = EqOp) then
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
bin_op_eval
state_upd_heap(f : gmap loc (option val) → gmap loc (option val)) (σ : state) : state := {| heap := f σ.(heap); used_proph_id := σ.(used_proph_id) |}.
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
state_upd_heap
Argumentsstate_upd_heap _ !_ /.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Arguments
state_upd_used_proph_id(f : gset proph_id → gset proph_id) (σ : state) : state := {| heap := σ.(heap); used_proph_id := f σ.(used_proph_id) |}.
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
state_upd_used_proph_id
Argumentsstate_upd_used_proph_id _ !_ /.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Arguments
heap_array(l : loc) (vs : list val) : gmap loc (option val) := match vs with | [] => ∅ | v :: vs' => {[l := Some v]} ∪ heap_array (l +ₗ 1) vs' end.
Fixpoint
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
heap_array
heap_array_singletonl v : heap_array l [v] = {[l := Some v]}. Proof. by rewrite /heap_array right_id. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
heap_array_singleton
heap_array_lookupl vs ow k : heap_array l vs !! k = Some ow ↔ ∃ j w, (0 ≤ j)%Z ∧ k = l +ₗ j ∧ ow = Some w ∧ vs !! (Z.to_nat j) = Some w. Proof. revert k l; induction vs as [|v' vs IH]=> l' l /=. { rewrite lookup_empty. naive_solver lia. } rewrite -insert_union_singleton_l lookup_insert_Some IH. split. - int...
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
heap_array_lookup
heap_array_map_disjoint(h : gmap loc (option val)) (l : loc) (vs : list val) : (∀ i, (0 ≤ i)%Z → (i < length vs)%Z → h !! (l +ₗ i) = None) → heap_array l vs ##ₘ h. Proof. intros Hdisj. apply map_disjoint_spec=> l' v1 v2. intros (j&w&?&->&?&Hj%lookup_lt_Some%inj_lt)%heap_array_lookup. move: Hj. rewrite Z2Nat.i...
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
heap_array_map_disjoint
state_init_heap(l : loc) (n : Z) (v : val) (σ : state) : state := state_upd_heap (λ h, heap_array l (replicate (Z.to_nat n) v) ∪ h) σ.
Definition
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
state_init_heap
state_init_heap_singletonl v σ : state_init_heap l 1 v σ = state_upd_heap <[l:=Some v]> σ. Proof. destruct σ as [h p]. rewrite /state_init_heap /=. f_equiv. rewrite right_id insert_union_singleton_l. done. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
state_init_heap_singleton
base_step: expr → state → list observation → expr → state → list expr → Prop := | RecS f x e σ : base_step (Rec f x e) σ [] (Val $ RecV f x e) σ [] | PairS v1 v2 σ : base_step (Pair (Val v1) (Val v2)) σ [] (Val $ PairV v1 v2) σ [] | InjLS v σ : base_step (InjL $ Val v) σ [] (Val $ InjLV v) σ [] |...
Inductive
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
base_step
Instancefill_item_inj Ki : Inj (=) (=) (fill_item Ki). Proof. induction Ki; intros ???; simplify_eq/=; auto with f_equal. Qed.
Global
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
Instance
fill_item_valKi e : is_Some (to_val (fill_item Ki e)) → is_Some (to_val e). Proof. intros [v ?]. induction Ki; simplify_option_eq; eauto. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
fill_item_val
val_base_stucke1 σ1 κ e2 σ2 efs : base_step e1 σ1 κ e2 σ2 efs → to_val e1 = None. Proof. destruct 1; naive_solver. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
val_base_stuck
base_ctx_step_valKi e σ1 κ e2 σ2 efs : base_step (fill_item Ki e) σ1 κ e2 σ2 efs → is_Some (to_val e). Proof. revert κ e2. induction Ki; inversion_clear 1; simplify_option_eq; eauto. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
base_ctx_step_val
fill_item_no_val_injKi1 Ki2 e1 e2 : to_val e1 = None → to_val e2 = None → fill_item Ki1 e1 = fill_item Ki2 e2 → Ki1 = Ki2. Proof. revert Ki1. induction Ki2; intros Ki1; induction Ki1; naive_solver eauto with f_equal. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
fill_item_no_val_inj
alloc_freshv n σ : let l := Loc.fresh (dom σ.(heap)) in (0 < n)%Z → base_step (AllocN ((Val $ LitV $ LitInt $ n)) (Val v)) σ [] (Val $ LitV $ LitLoc l) (state_init_heap l n v σ) []. Proof. intros. apply AllocNS; first done. intros. apply not_elem_of_dom. by apply Loc.fresh_fresh. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
alloc_fresh
new_proph_id_freshσ : let p := fresh σ.(used_proph_id) in base_step NewProph σ [] (Val $ LitV $ LitProphecy p) (state_upd_used_proph_id ({[ p ]} ∪.) σ) []. Proof. constructor. apply is_fresh. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
new_proph_id_fresh
heap_lang_mixin: EctxiLanguageMixin of_val to_val fill_item base_step. Proof. split; apply _ || eauto using to_of_val, of_to_val, val_base_stuck, fill_item_val, fill_item_no_val_inj, base_ctx_step_val. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
heap_lang_mixin
to_val_fill_someK e v : to_val (fill K e) = Some v → K = [] ∧ e = Val v. Proof. intro H. destruct K as [|Ki K]; first by apply of_to_val in H. exfalso. assert (to_val e ≠ None) as He. { intro A. by rewrite fill_not_val in H. } assert (∃ w, e = Val w) as [w ->]. { destruct e; try done; eauto. } assert (to_va...
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
to_val_fill_some
prim_step_to_val_is_base_stepe σ1 κs w σ2 efs : prim_step e σ1 κs (Val w) σ2 efs → base_step e σ1 κs (Val w) σ2 efs. Proof. intro H. destruct H as [K e1 e2 H1 H2]. assert (to_val (fill K e2) = Some w) as H3; first by rewrite -H2. apply to_val_fill_some in H3 as [-> ->]. subst e. done. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
prim_step_to_val_is_base_step
base_step_to_vale1 σ1 κ e2 σ2 efs σ1' κ' e2' σ2' efs' : base_step e1 σ1 κ e2 σ2 efs → base_step e1 σ1' κ' e2' σ2' efs' → is_Some (to_val e2) → is_Some (to_val e2'). Proof. destruct 1; inversion 1; naive_solver. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
base_step_to_val
irreducible_resolvee v1 v2 σ : irreducible e σ → irreducible (Resolve e (Val v1) (Val v2)) σ. Proof. intros H κs ? σ' efs [Ks e1' e2' Hfill -> step]. simpl in *. induction Ks as [|K Ks _] using rev_ind; simpl in Hfill. - subst e1'. inversion step. eapply H. by apply base_prim_step. - rewrite fill_app /= in Hf...
Lemma
iris_heap_lang
[ "From stdpp Require Export binders strings", "From stdpp Require Import gmap", "From iris.algebra Require Export ofe", "From iris.program_logic Require Export language ectx_language ectxi_language", "From iris.heap_lang Require Export locations", "From iris.prelude Require Import options" ]
iris_heap_lang/lang.v
irreducible_resolve
loc:= Loc { loc_car : Z }. Add Printing Constructor loc.
Record
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
loc
OpenScope Z_scope.
Local
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
Open
eq_specl1 l2 : l1 = l2 ↔ loc_car l1 = loc_car l2. Proof. destruct l1, l2; naive_solver. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
eq_spec
Instanceeq_dec : EqDecision loc. Proof. solve_decision. Defined.
Global
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
Instance
Instanceinhabited : Inhabited loc := populate {|loc_car := 0 |}.
Global
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
Instance
Instancecountable : Countable loc. Proof. by apply (inj_countable' loc_car Loc); intros []. Defined.
Global
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
Instance
ProgramInstance infinite : Infinite loc := inj_infinite (λ p, {| loc_car := p |}) (λ l, Some (loc_car l)) _. Next Obligation. done. Qed.
Global
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
Program
add(l : loc) (off : Z) : loc := {| loc_car := loc_car l + off|}.
Definition
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
add
le(l1 l2 : loc) : Prop := loc_car l1 ≤ loc_car l2.
Definition
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
le
lt(l1 l2 : loc) : Prop := loc_car l1 < loc_car l2.
Definition
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
lt
add_assocl i j : l +ₗ i +ₗ j = l +ₗ (i + j). Proof. rewrite eq_spec /=. lia. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
add_assoc
add_0l : l +ₗ 0 = l. Proof. rewrite eq_spec /=; lia. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
add_0
Instanceadd_inj l : Inj eq eq (add l). Proof. intros x1 x2. rewrite eq_spec /=. lia. Qed.
Global
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
Instance
Instancele_dec l1 l2 : Decision (l1 ≤ₗ l2). Proof. rewrite /le. apply _. Qed.
Global
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
Instance
Instancelt_dec l1 l2 : Decision (l1 <ₗ l2). Proof. rewrite /lt. apply _. Qed.
Global
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
Instance
Instancele_po : PartialOrder le. Proof. rewrite /le. split; [split|]. - by intros ?. - intros [x] [y] [z]; lia. - intros [x] [y] ??; f_equal/=; lia. Qed.
Global
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
Instance
Instancele_total : Total le. Proof. rewrite /Total /le. lia. Qed.
Global
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
Instance
le_ngtl1 l2 : l1 ≤ₗ l2 ↔ ¬l2 <ₗ l1. Proof. apply Z.le_ngt. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
le_ngt
le_lteql1 l2 : l1 ≤ₗ l2 ↔ l1 <ₗ l2 ∨ l1 = l2. Proof. rewrite eq_spec. apply Z.le_lteq. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
le_lteq
add_le_monol1 l2 i1 i2 : l1 ≤ₗ l2 → i1 ≤ i2 → l1 +ₗ i1 ≤ₗ l2 +ₗ i2. Proof. apply Z.add_le_mono. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
add_le_mono
fresh(ls : gset loc) : loc := {| loc_car := set_fold (λ k r, (1 + loc_car k) `max` r) 1 ls |}.
Definition
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
fresh
fresh_freshls i : 0 ≤ i → fresh ls +ₗ i ∉ ls. Proof. intros Hi. cut (∀ l, l ∈ ls → loc_car l < loc_car (fresh ls) + i). { intros help Hf%help. simpl in *. lia. } apply (set_fold_ind_L (λ r ls, ∀ l, l ∈ ls → (loc_car l < r + i))); set_solver by eauto with lia. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
fresh_fresh
Opaquefresh.
Global
iris_heap_lang
[ "From stdpp Require Import countable numbers gmap", "From iris.prelude Require Export prelude", "From iris.prelude Require Import options" ]
iris_heap_lang/locations.v
Opaque
Definitionset_binder_insert (x : binder) (X : stringset) : stringset := match x with | BAnon => X | BNamed f => {[f]} ∪ X end.
Local
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
Definition
is_closed_expr(X : stringset) (e : expr) : bool := match e with | Val v => is_closed_val v | Var x => bool_decide (x ∈ X) | Rec f x e => is_closed_expr (set_binder_insert f (set_binder_insert x X)) e | UnOp _ e | Fst e | Snd e | InjL e | InjR e | Fork e | Free e | Load e => is_closed_expr X e | App e1 ...
Fixpoint
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
is_closed_expr
subst_map(vs : gmap string val) (e : expr) : expr := match e with | Val _ => e | Var y => if vs !! y is Some v then Val v else Var y | Rec f y e => Rec f y (subst_map (binder_delete y (binder_delete f vs)) e) | App e1 e2 => App (subst_map vs e1) (subst_map vs e2) | UnOp op e => UnOp op (subst_map vs e) | ...
Fixpoint
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_map
Instanceset_unfold_elem_of_insert_binder x y X Q : SetUnfoldElemOf y X Q → SetUnfoldElemOf y (set_binder_insert x X) (Q ∨ BNamed y = x). Proof. destruct 1; constructor; destruct x; set_solver. Qed.
Local
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
Instance
is_closed_weakenX Y e : is_closed_expr X e → X ⊆ Y → is_closed_expr Y e. Proof. revert X Y; induction e; naive_solver (eauto; set_solver). Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
is_closed_weaken
is_closed_weaken_emptyX e : is_closed_expr ∅ e → is_closed_expr X e. Proof. intros. by apply is_closed_weaken with ∅, empty_subseteq. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
is_closed_weaken_empty
is_closed_substX e y v : is_closed_val v → is_closed_expr ({[y]} ∪ X) e → is_closed_expr X (subst y v e). Proof. intros Hv. revert X. induction e=> X /= ?; destruct_and?; split_and?; simplify_option_eq; try match goal with | H : ¬(_ ∧ _) |- _ => apply not_and_l in H as [?%dec_stable|?%dec_stable] ...
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
is_closed_subst
is_closed_subst'X e x v : is_closed_val v → is_closed_expr (set_binder_insert x X) e → is_closed_expr X (subst' x v e). Proof. destruct x; eauto using is_closed_subst. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
is_closed_subst'
subst_is_closedX e x es : is_closed_expr X e → x ∉ X → subst x es e = e. Proof. revert X. induction e=> X /=; rewrite ?bool_decide_spec ?andb_True=> ??; repeat case_decide; simplify_eq/=; f_equal; intuition eauto with set_solver. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_is_closed
subst_is_closed_emptye x v : is_closed_expr ∅ e → subst x v e = e. Proof. intros. apply subst_is_closed with (∅:stringset); set_solver. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_is_closed_empty
subst_subste x v v' : subst x v (subst x v' e) = subst x v' e. Proof. intros. induction e; simpl; try (f_equal; by auto); simplify_option_eq; auto using subst_is_closed_empty with f_equal. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_subst
subst_subst'e x v v' : subst' x v (subst' x v' e) = subst' x v' e. Proof. destruct x; simpl; auto using subst_subst. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_subst'
subst_subst_nee x y v v' : x ≠ y → subst x v (subst y v' e) = subst y v' (subst x v e). Proof. intros. induction e; simpl; try (f_equal; by auto); simplify_option_eq; auto using eq_sym, subst_is_closed_empty with f_equal. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_subst_ne
subst_subst_ne'e x y v v' : x ≠ y → subst' x v (subst' y v' e) = subst' y v' (subst' x v e). Proof. destruct x, y; simpl; auto using subst_subst_ne with congruence. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_subst_ne'
subst_rec'f y e x v : x = f ∨ x = y ∨ x = BAnon → subst' x v (Rec f y e) = Rec f y e. Proof. intros. destruct x; simplify_option_eq; naive_solver. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_rec'
subst_rec_ne'f y e x v : (x ≠ f ∨ f = BAnon) → (x ≠ y ∨ y = BAnon) → subst' x v (Rec f y e) = Rec f y (subst' x v e). Proof. intros. destruct x; simplify_option_eq; naive_solver. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_rec_ne'
bin_op_eval_closedop v1 v2 v' : is_closed_val v1 → is_closed_val v2 → bin_op_eval op v1 v2 = Some v' → is_closed_val v'. Proof. rewrite /bin_op_eval /bin_op_eval_bool /bin_op_eval_int /bin_op_eval_loc; repeat case_match; by naive_solver. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
bin_op_eval_closed
heap_closed_allocσ l n w : (0 < n)%Z → is_closed_val w → map_Forall (λ _ v, from_option is_closed_val true v) (heap σ) → (∀ i : Z, (0 ≤ i)%Z → (i < n)%Z → heap σ !! (l +ₗ i) = None) → map_Forall (λ _ v, from_option is_closed_val true v) (heap_array l (replicate (Z.to_nat n) w) ∪ heap σ). Proof. ...
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
heap_closed_alloc
base_step_is_closede1 σ1 obs e2 σ2 es : is_closed_expr ∅ e1 → map_Forall (λ _ v, from_option is_closed_val true v) σ1.(heap) → base_step e1 σ1 obs e2 σ2 es → is_closed_expr ∅ e2 ∧ Forall (is_closed_expr ∅) es ∧ map_Forall (λ _ v, from_option is_closed_val true v) σ2.(heap). Proof. intros Cl1 Clσ1 STEP. in...
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
base_step_is_closed
subst_map_emptye : subst_map ∅ e = e. Proof. assert (∀ x, binder_delete x (∅:gmap string val) = ∅) as Hdel. { intros [|x]; by rewrite /= ?delete_empty. } induction e; simplify_map_eq; rewrite ?Hdel; auto with f_equal. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_map_empty
subst_map_insertx v vs e : subst_map (<[x:=v]>vs) e = subst x v (subst_map (delete x vs) e). Proof. revert vs. induction e=> vs; simplify_map_eq; auto with f_equal. - match goal with | |- context [ <[?x:=_]> _ !! ?y ] => destruct (decide (x = y)); simplify_map_eq=> // end. by case (vs !! _); simpli...
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_map_insert
subst_map_singletonx v e : subst_map {[x:=v]} e = subst x v e. Proof. by rewrite subst_map_insert delete_empty subst_map_empty. Qed.
Lemma
iris_heap_lang
[ "From stdpp Require Import gmap stringmap", "From iris.heap_lang Require Export lang", "From iris.prelude Require Import options" ]
iris_heap_lang/metatheory.v
subst_map_singleton