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Rodolphe Lepigre
Iris
Commits
92eaea66
Commit
92eaea66
authored
Jun 04, 2019
by
Robbert Krebbers
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Avoid `wp_skip` lemma (which follows from `wp_pure`).
parent
82942fc0
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7 additions
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14 deletions
+7
-14
theories/heap_lang/lifting.v
theories/heap_lang/lifting.v
+7
-14
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theories/heap_lang/lifting.v
View file @
92eaea66
...
...
@@ -475,22 +475,14 @@ Proof.
-
apply
exists_last
in
HNeq
as
[
κ
'
[[
p'
[
w'
v'
]]
->]].
rewrite
-
app_assoc
.
iMod
(
"WPe"
$!
σ
1
_
_
n
with
"[$Hσ $Hκ]"
)
as
"[Hs WPe]"
.
iModIntro
.
iSplit
.
{
iDestruct
"Hs"
as
"%"
.
iPureIntro
.
destruct
s
;
[
by
apply
resolve_reducible
|
done
].
}
iIntros
(
e2
σ
2
efs
step
).
apply
step_resolve
in
step
;
last
done
.
inversion
step
.
match
goal
with
H
:
_
++
_
=
_
++
_
|-
_
=>
apply
app_inj_2
in
H
;
last
done
;
destruct
H
as
[->
[=->
->
->]]
end
.
subst
.
iMod
(
"WPe"
$!
(
Val
w'
)
σ
2
efs
with
"[%]"
)
as
"WPe"
.
{
eexists
[]
_
_;
try
done
.
}
iIntros
(
e2
σ
2
efs
step
).
apply
step_resolve
in
step
;
last
done
.
inversion
step
;
simplify_list_eq
.
iMod
(
"WPe"
$!
(
Val
w'
)
σ
2
efs
with
"[%]"
)
as
"WPe"
.
{
eexists
[]
_
_;
try
done
.
}
iModIntro
.
iNext
.
iMod
"WPe"
as
"[[$ Hκ] WPe]"
.
iMod
(
proph_map_resolve_proph
p'
(
w'
,
v'
)
κ
s
with
"[$Hκ $Hp]"
)
as
(
vs'
->)
"[$ HPost]"
.
iModIntro
.
rewrite
!
wp_unfold
/
wp_pre
/=.
iDestruct
"WPe"
as
"[HΦ $]"
.
iMod
"HΦ"
.
iModIntro
.
iApply
"HΦ"
;
[
done
|
iFrame
].
Qed
.
Lemma
wp_skip
s
E
Φ
:
▷
Φ
(
LitV
LitUnit
)
-
∗
WP
Skip
@
s
;
E
{{
Φ
}}.
Proof
.
iIntros
"HΦ"
.
iApply
wp_lift_atomic_head_step_no_fork
;
auto
.
iIntros
(
σ
1
κ
κ
s
n
)
"Hσ"
.
iModIntro
.
iSplit
.
-
iPureIntro
.
eexists
_
,
_
,
_
,
_
.
by
constructor
.
-
iIntros
(
e2
σ
2
efs
step
)
"!>"
.
inversion
step
.
simplify_eq
.
by
iFrame
.
iMod
"HΦ"
.
iModIntro
.
by
iApply
"HΦ"
.
Qed
.
Lemma
wp_resolve_proph
s
E
p
vs
v
:
...
...
@@ -499,7 +491,8 @@ Lemma wp_resolve_proph s E p vs v :
{{{
vs'
,
RET
(
LitV
LitUnit
)
;
⌜
vs
=
(
LitV
LitUnit
,
v
)
::
vs'
⌝
∗
proph
p
vs'
}}}.
Proof
.
iIntros
(
Φ
)
"Hp HΦ"
.
iApply
(
wp_resolve
with
"Hp"
)
;
first
done
.
iApply
wp_skip
.
iNext
.
iIntros
(
vs'
)
"HEq Hp"
.
iApply
"HΦ"
.
iFrame
.
iApply
wp_pure_step_later
=>
//=.
iApply
wp_value
.
iIntros
"!>"
(
vs'
)
"HEq Hp"
.
iApply
"HΦ"
.
iFrame
.
Qed
.
End
lifting
.
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