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Commit 3c064dd6 authored by Ralf Jung's avatar Ralf Jung
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Merge branch 'swasey/invariance' into 'master'

Make it possible to apply the observational view shift lemmas.

See merge request !40
parents ab23831f 471b2121
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......@@ -187,11 +187,11 @@ Proof.
iFrame. by iApply big_sepL_nil.
Qed.
Theorem wp_invariance Σ Λ `{invPreG Σ} e σ1 t2 σ2 φ Φ :
Theorem wp_invariance Σ Λ `{invPreG Σ} e σ1 t2 σ2 φ :
( `{Hinv : invG Σ},
True ={}=∗ stateI : state Λ iProp Σ,
let _ : irisG Λ Σ := IrisG _ _ Hinv stateI in
stateI σ1 WP e {{ Φ }} (stateI σ2 ={,}=∗ φ))
stateI σ1 WP e {{ _, True }} (stateI σ2 ={,}=∗ φ))
rtc step ([e], σ1) (t2, σ2)
φ.
Proof.
......
......@@ -50,13 +50,13 @@ Proof.
iApply (Hwp (OwnPG _ _ _ _ γσ)). by rewrite /ownP.
Qed.
Theorem ownP_invariance Σ `{ownPPreG Λ Σ} e σ1 t2 σ2 φ Φ :
Theorem ownP_invariance Σ `{ownPPreG Λ Σ} e σ1 t2 σ2 φ :
( `{ownPG Λ Σ},
ownP σ1 ={}=∗ WP e {{ Φ }} |={,}=> σ', ownP σ' φ σ')
ownP σ1 ={}=∗ WP e {{ _, True }} |={,}=> σ', ownP σ' φ σ')
rtc step ([e], σ1) (t2, σ2)
φ σ2.
Proof.
intros Hwp Hsteps. eapply (wp_invariance Σ Λ e σ1 t2 σ2 _ Φ)=> //.
intros Hwp Hsteps. eapply (wp_invariance Σ Λ e σ1 t2 σ2 _)=> //.
iIntros (?) "". iMod (own_alloc ( (Excl' (σ1 : leibnizC _)) (Excl' σ1)))
as (γσ) "[Hσ Hσf]"; first done.
iExists (λ σ, own γσ ( (Excl' (σ:leibnizC _)))). iFrame "Hσ".
......
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