1 files changed, 24 insertions, 0 deletions
diff --git a/test/regress/regress1/sygus/issue3649.sy b/test/regress/regress1/sygus/issue3649.sy
new file mode 100644
index 000000000..12949c55a
--- /dev/null
+++ b/test/regress/regress1/sygus/issue3649.sy
@@ -0,0 +1,24 @@
+; EXPECT: unknown
+; COMMAND-LINE: --sygus-out=status
+(set-logic ALL)
+(synth-fun inv-fn ((i Int) (x (Array Int Int)) (c Int)) Bool)
+
+(define-fun init-fn ((i Int) (x (Array Int Int)) (c Int)) Bool 
+	(and (= i 0)
+	(= (select x 10) c)))
+
+(define-fun post-fn ((i Int) (x (Array Int Int))(c Int)) Bool 
+	(exists ((index Int)) (and (= (select x index) c)
+	(forall ((index2 Int)) (=> (< index2 index) (not (= (select x index) c))))
+	)))
+
+(declare-var x (Array Int Int))
+(declare-var x! (Array Int Int))
+(declare-var i Int)
+(declare-var i! Int)
+(declare-var c Int)
+
+	
+(constraint (=> (init-fn i x c) (inv-fn i x c)))
+(constraint (=> (inv-fn i x c) (post-fn i x c)))
+(check-synth)