diff options
Diffstat (limited to 'test/regress/regress1/rewriterules/length_gen_010.smt2')
-rw-r--r-- | test/regress/regress1/rewriterules/length_gen_010.smt2 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/regress/regress1/rewriterules/length_gen_010.smt2 b/test/regress/regress1/rewriterules/length_gen_010.smt2 new file mode 100644 index 000000000..052f5905b --- /dev/null +++ b/test/regress/regress1/rewriterules/length_gen_010.smt2 @@ -0,0 +1,36 @@ +;; Same than length.smt2 but the nil case is not a rewrite rule +;; So here the rewrite rules have no guards length + +(set-logic AUFLIA) +(set-info :status unsat) + +;; don't use a datatypes for currently focusing in uf +(declare-sort list 0) + +(declare-fun cons (Int list) list) +(declare-fun nil () list) + + +;;define length +(declare-fun length (list) Int) + +(assert (= (length nil) 0)) + +;; (assert (forall ((?e Int) (?l list)) (! (= (length (cons ?e ?l)) (+ 1 (length ?l))) :rewrite-rule))) + +(assert-rewrite ((?e Int) (?l list)) () () (length (cons ?e ?l)) (+ 1 (length ?l))) + +(declare-fun gen_cons (Int list) list) + +(assert-rewrite ((?n Int) (?l list)) () (= ?n 0) (gen_cons ?n ?l) (?l)) + +(assert-rewrite ((?n Int) (?l list)) () (> ?n 0) (gen_cons ?n ?l) + (gen_cons (- ?n 1) (cons 1 ?l))) + +(declare-fun n () Int) + +(assert (not (= (length (gen_cons 10 nil)) 10))) + +(check-sat) + +(exit) |