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Why3
why3
Commits
78270aaf
Commit
78270aaf
authored
May 23, 2017
by
Andrei Paskevich
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Pdecl: add triggers to the invariant axiom
Let's see if this helps our provers to instantiate the axiom.
parent
12bb1ee3
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1
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2 deletions
+4
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src/mlw/pdecl.ml
src/mlw/pdecl.ml
+4
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src/mlw/pdecl.ml
View file @
78270aaf
...
...
@@ -306,14 +306,16 @@ let mk_decl = mk_decl_meta []
let
axiom_of_invariant
itd
=
let
ts
=
itd
.
itd_its
.
its_ts
in
let
inv
=
t_and_simp_l
itd
.
itd_invariant
in
let
ty
=
ty_app
ts
(
List
.
map
ty_var
ts
.
ts_args
)
in
let
u
=
create_vsymbol
(
id_fresh
"self"
)
ty
in
let
tl
=
[
t_var
u
]
in
let
add_fd
sbs
s
=
let
pj
=
ls_of_rs
s
in
Mvs
.
add
(
fd_of_rs
s
)
.
pv_vs
(
t_app
pj
tl
pj
.
ls_value
)
sbs
in
let
sbs
=
List
.
fold_left
add_fd
Mvs
.
empty
itd
.
itd_fields
in
let
inv
=
t_subst
sbs
(
t_and_simp_l
itd
.
itd_invariant
)
in
t_forall_close
[
u
]
[]
inv
let
sbs
=
Mvs
.
set_inter
sbs
(
t_freevars
Mvs
.
empty
inv
)
in
let
trl
=
Mvs
.
fold
(
fun
_
t
trl
->
[
t
]
::
trl
)
sbs
[]
in
t_forall_close
[
u
]
trl
(
t_subst
sbs
inv
)
let
create_type_decl
dl
=
if
dl
=
[]
then
invalid_arg
"Pdecl.create_type_decl"
;
...
...
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