diff options
Diffstat (limited to 'test/regress/regress0/rewriterules/length_gen_2560.smt2')
-rw-r--r-- | test/regress/regress0/rewriterules/length_gen_2560.smt2 | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/regress/regress0/rewriterules/length_gen_2560.smt2 b/test/regress/regress0/rewriterules/length_gen_2560.smt2 new file mode 100644 index 000000000..2aff61656 --- /dev/null +++ b/test/regress/regress0/rewriterules/length_gen_2560.smt2 @@ -0,0 +1,34 @@ +;; 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))) + +(declare-fun gen_cons (Int list) list) + +(assert (forall ((?n Int) (?l list)) (! (=> (= ?n 0) (= (gen_cons ?n ?l) ?l)) :rewrite-rule))) + +(assert (forall ((?n Int) (?l list)) (! (=> (> ?n 0) (= (gen_cons ?n ?l) + (gen_cons (- ?n 1) (cons 1 ?l)))) :rewrite-rule))) + +(declare-fun n () Int) + +(assert (not (= (length (gen_cons 2560 nil)) 2560))) + +(check-sat) + +(exit) |