/
smallfoot-vc58.tptp.smt2
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smallfoot-vc58.tptp.smt2
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(set-logic QF_SHLS)
(set-info :source |
A. Rybalchenko and J. A. Navarro Perez.
[Separation Logic + Superposition Calculus = Heap Theorem Prover]
[PLDI 2011]
http://navarroj.com/research/papers.html#pldi11
|)
(set-info :smt-lib-version 2.0)
(set-info :category "random")
(set-info :status unsat)
(set-info :version "2014-05-28")
; Sorts for locations, one by cell sort
(declare-sort RefSll_t 0)
; Types of cells in the heap
(declare-datatypes (
(Sll_t 0)
) (
((c_Sll_t (next RefSll_t) ))
)
)
; Type of heap
(declare-heap (RefSll_t Sll_t)
)
; User defined predicate
(define-fun-rec ls ((in RefSll_t)(out RefSll_t)) Bool
(or
(and
(= in out)
(_ emp RefSll_t Sll_t)
)
(exists ((u RefSll_t))
(and
(distinct in out)
(sep
(pto in (c_Sll_t u ))
(ls u out )
)
)
)
)
)
(check-sat)
;; variables
(declare-const x0 RefSll_t)
(declare-const x1 RefSll_t)
(declare-const x2 RefSll_t)
(declare-const x3 RefSll_t)
(declare-const x4 RefSll_t)
(declare-const x5 RefSll_t)
(declare-const x6 RefSll_t)
(declare-const x7 RefSll_t)
(declare-const x8 RefSll_t)
(assert
(and
(= (as nil RefSll_t) (as nil RefSll_t))
(distinct (as nil RefSll_t) x1)
(distinct x1 x2)
(distinct x1 x3)
(sep
(ls x4 (as nil RefSll_t) )
(ls x3 (as nil RefSll_t) )
)
)
)
(assert (not
(sep
(ls x3 (as nil RefSll_t) )
(ls x4 (as nil RefSll_t) )
)
))
(check-sat)