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Updated predicate xLIST_ITEM to jeep up with breaking VF change.

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VeriFast now ensures that no uninitialised values are read. `x |-> _` is interpreted as "uninitialised", `x |-> ?v` is interpreted as "initialised".
This commit is contained in:
Tobias Reinhard 2022-11-22 07:14:21 -05:00
parent 35aef80072
commit 2fd6bcc2d7
1 changed files with 34 additions and 13 deletions
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27
verification/verifast/proof/single_core_proofs/scp_list_predicates.h
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@ -128,8 +128,28 @@
} List_t; } List_t;
#endif /* VERIFAST_SINGLE_CORE */ #endif /* VERIFAST_SINGLE_CORE */
/*@ #ifndef VERIFAST_SINGLE_CORE
predicate xLIST_ITEM( /* Reason for deletion:
* Breaking change in VeriFast. VeriFast now ensures that no uninitialised
* values are read. `x |-> _` is interpreted as "uninitialised",
* `x |-> ?v` is interpreted as "initialised".
*/
/*@
predicate xLIST_ITEM(
struct xLIST_ITEM *n,
TickType_t xItemValue,
struct xLIST_ITEM *pxNext,
struct xLIST_ITEM *pxPrevious,
struct xLIST *pxContainer;) =
n->xItemValue |-> xItemValue &*&
n->pxNext |-> pxNext &*&
n->pxPrevious |-> pxPrevious &*&
n->pvOwner |-> ?gOwner &*&
n->pxContainer |-> pxContainer;
@*/
#else
/*@
predicate xLIST_ITEM(
struct xLIST_ITEM *n, struct xLIST_ITEM *n,
TickType_t xItemValue, TickType_t xItemValue,
struct xLIST_ITEM *pxNext, struct xLIST_ITEM *pxNext,
@ -140,7 +160,8 @@ predicate xLIST_ITEM(
n->pxPrevious |-> pxPrevious &*& n->pxPrevious |-> pxPrevious &*&
n->pvOwner |-> _ &*& n->pvOwner |-> _ &*&
n->pxContainer |-> pxContainer; n->pxContainer |-> pxContainer;
@*/ @*/
#endif /* VERIFAST_SINGLE_CORE */
/* Ferreira et al. (STTT'14) doubly-linked list segment (DLS). */ /* Ferreira et al. (STTT'14) doubly-linked list segment (DLS). */
/*@ /*@