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c7bd7639
Commit
c7bd7639
authored
May 04, 2016
by
Robbert Krebbers
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Simplify proofs of lock.
parent
46648f14
Changes
1
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6
heap_lang/lib/lock.v
heap_lang/lib/lock.v
+4
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heap_lang/lib/lock.v
View file @
c7bd7639
...
@@ 57,7 +57,7 @@ Proof.
...
@@ 57,7 +57,7 @@ Proof.
wp_seq
.
iApply
wp_pvs
.
wp_alloc
l
as
"Hl"
.
wp_seq
.
iApply
wp_pvs
.
wp_alloc
l
as
"Hl"
.
iPvs
(
own_alloc
(
Excl
()))
as
{
γ
}
"Hγ"
;
first
done
.
iPvs
(
own_alloc
(
Excl
()))
as
{
γ
}
"Hγ"
;
first
done
.
iPvs
(
inv_alloc
N
_
(
lock_inv
γ
l
R
)
with
"[HΦ]"
)
as
"#?"
;
first
done
.
iPvs
(
inv_alloc
N
_
(
lock_inv
γ
l
R
)
with
"[HΦ]"
)
as
"#?"
;
first
done
.
{
i
Next
.
iExists
false
.
by
iFrame
"Hl HR"
.
}
{
i
Intros
">"
.
iExists
false
.
by
iFrame
"Hl HR"
.
}
iPvsIntro
.
iApply
"HΦ"
.
iExists
N
,
γ
.
by
repeat
iSplit
.
iPvsIntro
.
iApply
"HΦ"
.
iExists
N
,
γ
.
by
repeat
iSplit
.
Qed
.
Qed
.
...
@@ 78,11 +78,9 @@ Qed.
...
@@ 78,11 +78,9 @@ Qed.
Lemma
release_spec
R
l
(
Φ
:
val
→
iProp
)
:
Lemma
release_spec
R
l
(
Φ
:
val
→
iProp
)
:
(
locked
l
R
★
R
★
Φ
#())
⊢
WP
release
#
l
{{
Φ
}}.
(
locked
l
R
★
R
★
Φ
#())
⊢
WP
release
#
l
{{
Φ
}}.
Proof
.
Proof
.
iIntros
"(Hl&HR&HΦ)"
;
iDestruct
"Hl"
as
{
N
γ
}
"(%
&#?&#?&
Hγ)"
.
iIntros
"(Hl&HR&HΦ)"
;
iDestruct
"Hl"
as
{
N
γ
}
"(%
& #? & #? &
Hγ)"
.
rewrite
/
release
.
wp_let
.
rewrite
/
release
.
wp_let
.
iInv
N
as
"Hinv"
.
iDestruct
"Hinv"
as
{
b
}
"[Hl Hγ']"
;
destruct
b
.
iInv
N
as
"Hinv"
.
iDestruct
"Hinv"
as
{
b
}
"[Hl _]"
.

wp_store
.
iFrame
"HΦ"
.
iNext
.
iExists
false
.
by
iFrame
"Hl HR Hγ"
.
wp_store
.
iFrame
"HΦ"
.
iNext
.
iExists
false
.
by
iFrame
"Hl HR Hγ"
.

wp_store
.
iDestruct
"Hγ'"
as
"[Hγ' _]"
.
iCombine
"Hγ"
"Hγ'"
as
"Hγ"
.
by
iDestruct
(
own_valid
with
"Hγ"
)
as
"%"
.
Qed
.
Qed
.
End
proof
.
End
proof
.
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