Add sygus stream regressions (#2330)

2 files changed, 42 insertions, 0 deletions

diff --git a/test/regress/regress1/sygus/commutative-stream.sy b/test/regress/regress1/sygus/commutative-stream.sy
new file mode 100644
index 000000000..b07051d37
--- /dev/null
+++ b/test/regress/regress1/sygus/commutative-stream.sy
@@ -0,0 +1,24 @@
+; EXPECT: (define-fun comm ((x Int) (y Int)) Int (+ x y))
+; EXPECT: (define-fun comm ((x Int) (y Int)) Int (- x x))
+; EXPECT: (error "Maximum term size (2) for enumerative SyGuS exceeded.
+; EXPECT: ")
+; EXIT: 1
+
+; COMMAND-LINE: --sygus-stream --sygus-abort-size=2
+
+(set-logic LIA)
+
+(synth-fun comm ((x Int) (y Int)) Int
+    ((Start Int (x
+                 y
+                 (+ Start Start)
+                 (- Start Start)
+                 ))
+          ))
+
+(declare-var x Int)
+(declare-var y Int)
+
+(constraint (= (comm x y) (comm y x)))
+
+(check-synth)
diff --git a/test/regress/regress1/sygus/trivial-stream.sy b/test/regress/regress1/sygus/trivial-stream.sy
new file mode 100644
index 000000000..42965ff32
--- /dev/null
+++ b/test/regress/regress1/sygus/trivial-stream.sy
@@ -0,0 +1,18 @@
+; EXPECT: (define-fun triv ((x Int) (y Int)) Int x)
+; EXPECT: (define-fun triv ((x Int) (y Int)) Int y)
+; EXPECT: (error "Maximum term size (0) for enumerative SyGuS exceeded.
+; EXPECT: ")
+; EXIT: 1
+
+; COMMAND-LINE: --sygus-stream --sygus-abort-size=0
+
+(set-logic LIA)
+
+(synth-fun triv ((x Int) (y Int)) Int
+    ((Start Int (x
+                 y
+                 (+ Start Start)
+                 ))
+          ))
+
+(check-synth)