Refactor regressions (#1581)

14 files changed, 758 insertions, 0 deletions

diff --git a/test/regress/regress2/sygus/MPwL_d1s3.sy b/test/regress/regress2/sygus/MPwL_d1s3.sy
new file mode 100644
index 000000000..5178cf86b
--- /dev/null
+++ b/test/regress/regress2/sygus/MPwL_d1s3.sy
@@ -0,0 +1,151 @@
+; EXPECT: unsat
+; COMMAND-LINE: --sygus-out=status 
+(set-logic LIA)
+
+(define-fun get-y ((currPoint Int)) Int 
+(ite (< currPoint 10) 0 (ite (< currPoint 20) 1 (ite (< currPoint 30) 2 (ite (< currPoint 40) 3 (ite (< currPoint 50) 4 (ite (< currPoint 60) 5 (ite (< currPoint 70) 6 (ite (< currPoint 80) 7 (ite (< currPoint 90) 8 9))))))))))
+
+(define-fun get-x ((currPoint Int)) Int
+	(- currPoint (* (get-y currPoint) 10)))
+(define-fun interpret-move (( currPoint Int ) ( move Int)) Int
+(ite (= move 0) currPoint 
+(ite (= move 1)  (ite (or (< (+ (get-y currPoint) 1) 0) (>= (+ (get-y currPoint) 1) 10))     currPoint (+ currPoint  10)) 
+(ite (= move 2)  (ite (or (< (+ (get-x currPoint) 1) 0) (>= (+ (get-x currPoint) 1) 10))     currPoint (+ currPoint  1)) 
+(ite (= move 3)  (ite (or (< (+ (get-y currPoint) -1) 0) (>= (+ (get-y currPoint) -1) 10))     currPoint (+ currPoint  -10)) 
+(ite (= move 4)  (ite (or (< (+ (get-x currPoint) -1) 0) (>= (+ (get-x currPoint) -1) 10))     currPoint (+ currPoint  -1)) 
+currPoint))))))
+
+(define-fun interpret-move-obstacle-0 (( currPoint Int ) ( move Int)) Int
+(ite (= move 0)  (ite (or (< (+ (get-y currPoint) 1) 0) (>= (+ (get-y currPoint) 1) 10))     currPoint (+ currPoint  10)) 
+(ite (= move 1)  (ite (or (< (+ (get-y currPoint) -1) 0) (>= (+ (get-y currPoint) -1) 10))     currPoint (+ currPoint  -10)) 
+currPoint)))
+
+(define-fun interpret-move-obstacle-1 (( currPoint Int ) ( move Int)) Int
+(ite (= move 0)  (ite (or (< (+ (get-y currPoint) 1) 0) (>= (+ (get-y currPoint) 1) 10))     currPoint (+ currPoint  10)) 
+(ite (= move 1) currPoint 
+(ite (= move 2)  (ite (or (< (+ (get-y currPoint) -1) 0) (>= (+ (get-y currPoint) -1) 10))     currPoint (+ currPoint  -10)) 
+currPoint))))
+
+(define-fun allowable-move-obstacle-0 (( start Int ) ( end Int)) Bool
+	(or (= (interpret-move-obstacle-0 start 0) end)
+	(or (= (interpret-move-obstacle-0 start 1) end) false)))
+
+(define-fun allowable-move-obstacle-1 (( start Int ) ( end Int)) Bool
+	(or (= (interpret-move-obstacle-1 start 0) end)
+	(or (= (interpret-move-obstacle-1 start 1) end)
+	(or (= (interpret-move-obstacle-1 start 2) end) false))))
+
+(define-fun get-move-obstacle-0 (( start Int ) ( end Int)) Int
+	(ite (= (interpret-move-obstacle-0 start 0) end) 0 
+	(ite (= (interpret-move-obstacle-0 start 1) end) 1  -1)))
+
+(define-fun get-move-obstacle-1 (( start Int ) ( end Int)) Int
+	(ite (= (interpret-move-obstacle-1 start 0) end) 0 
+	(ite (= (interpret-move-obstacle-1 start 1) end) 1 
+	(ite (= (interpret-move-obstacle-1 start 2) end) 2  -1))))
+
+(define-fun no-overlap-one-move-combination-2-2 ((p0 Int) (p1 Int) (p2 Int) (p3 Int)) Bool
+	(and (not (= p0 p2)) (and (not (= p0 p3)) (and (not (= p1 p2)) (and (not (= p1 p3)) true)))))
+
+(define-fun no-overlaps-0 (( currPoint Int ) ( move Int) (obstacleCurrPoint Int) (obstacleMove Int)) Bool
+	(= 1
+	(ite (= move 0) 
+		(ite (= obstacleMove 0) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 10)) 1 0)
+		(ite (= obstacleMove 1) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) -10)) 1 0) 0))
+	(ite (= move 1) 
+		(ite (= obstacleMove 0) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) 10) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 10)) 1 0)
+		(ite (= obstacleMove 1) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) 10) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) -10)) 1 0) 0))
+	(ite (= move 2) 
+		(ite (= obstacleMove 0) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 1) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 10)) 1 0)
+		(ite (= obstacleMove 1) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 1) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) -10)) 1 0) 0))
+	(ite (= move 3) 
+		(ite (= obstacleMove 0) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) -10) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 10)) 1 0)
+		(ite (= obstacleMove 1) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) -10) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) -10)) 1 0) 0))
+	(ite (= move 4) 
+		(ite (= obstacleMove 0) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint -1) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 10)) 1 0)
+		(ite (= obstacleMove 1) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint -1) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) -10)) 1 0) 0)) 0)))))))
+
+(define-fun no-overlaps-1 (( currPoint Int ) ( move Int) (obstacleCurrPoint Int) (obstacleMove Int)) Bool
+	(= 1
+	(ite (= move 0) 
+		(ite (= obstacleMove 0) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 10)) 1 0)
+		(ite (= obstacleMove 1) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 0)) 1 0)
+		(ite (= obstacleMove 2) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) -10)) 1 0) 0)))
+	(ite (= move 1) 
+		(ite (= obstacleMove 0) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) 10) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 10)) 1 0)
+		(ite (= obstacleMove 1) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) 10) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 0)) 1 0)
+		(ite (= obstacleMove 2) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) 10) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) -10)) 1 0) 0)))
+	(ite (= move 2) 
+		(ite (= obstacleMove 0) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 1) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 10)) 1 0)
+		(ite (= obstacleMove 1) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 1) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 0)) 1 0)
+		(ite (= obstacleMove 2) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 1) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) -10)) 1 0) 0)))
+	(ite (= move 3) 
+		(ite (= obstacleMove 0) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) -10) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 10)) 1 0)
+		(ite (= obstacleMove 1) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) -10) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 0)) 1 0)
+		(ite (= obstacleMove 2) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint 0) -10) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) -10)) 1 0) 0)))
+	(ite (= move 4) 
+		(ite (= obstacleMove 0) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint -1) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 10)) 1 0)
+		(ite (= obstacleMove 1) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint -1) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) 0)) 1 0)
+		(ite (= obstacleMove 2) (ite (no-overlap-one-move-combination-2-2 currPoint (+ (+ currPoint -1) 0) obstacleCurrPoint (+ (+ obstacleCurrPoint 0) -10)) 1 0) 0))) 0)))))))
+
+(define-fun no-overlaps-one-step-helper ((currPoint Int) (move Int) (o0-t Int) (o0move Int) (o1-t Int) (o1move Int)) Bool
+	(and (no-overlaps-0 currPoint move o0-t o0move) (and (no-overlaps-1 currPoint move o1-t o1move) true)))
+
+(define-fun no-overlaps-one-step ((currPoint Int) (move Int)  (o0-0 Int) (o0-1 Int) (o1-0 Int) (o1-1 Int)) Bool
+	(no-overlaps-one-step-helper currPoint move o0-0 (get-move-obstacle-0 o0-0 o0-1) o1-0 (get-move-obstacle-1 o1-0 o1-1)))
+
+
+
+(declare-var o0-1 Int)
+(declare-var o0-2 Int)
+(declare-var o0-3 Int)
+(declare-var o1-1 Int)
+(declare-var o1-2 Int)
+(declare-var o1-3 Int)
+
+(synth-fun move ((currPoint Int) (o0 Int) (o1 Int)) Int
+	((Start Int (
+		MoveId
+		(ite StartBool Start Start)))
+    (MoveId Int (0
+		1
+		2
+		3
+		4
+  	))
+	(CondInt Int (
+		(get-y currPoint) ;y coord
+		(get-x currPoint) ;x coord
+		(get-y o0)
+		(get-x o0)
+		(get-y o1)
+		(get-x o1)
+		(+ CondInt CondInt)
+		(- CondInt CondInt)
+		-1
+		0
+		1
+		2
+		3
+		4
+		5
+		6
+		7
+		8
+		9
+				))
+	(StartBool Bool ((and StartBool StartBool)
+		(or  StartBool StartBool)
+		(not StartBool)
+		(<=  CondInt CondInt)
+		(=   CondInt CondInt)
+		(>=  CondInt CondInt))))) 
+ 
+ (constraint  (let ((pos0 Int 0)) (let ((mov0 Int (move pos0 99 98))) (let ((pos1 Int (interpret-move pos0 mov0))) (let ((mov1 Int (move pos1 o0-1 o1-1))) (let ((pos2 Int (interpret-move pos1 mov1))) (let ((mov2 Int (move pos2 o0-2 o1-2))) (let ((pos3 Int (interpret-move pos2 mov2)))
+ (or 
+	(and
+		(= pos3 30)
+		(and (no-overlaps-one-step pos0 mov0 99 o0-1 98 o1-1) (and (no-overlaps-one-step pos1 mov1 o0-1 o0-2 o1-1 o1-2) (and (no-overlaps-one-step pos2 mov2 o0-2 o0-3 o1-2 o1-3) true))))
+	(not (and (allowable-move-obstacle-0 99 o0-1) (and (allowable-move-obstacle-0 o0-1 o0-2) (and (allowable-move-obstacle-0 o0-2 o0-3) (and (allowable-move-obstacle-1 98 o1-1) (and (allowable-move-obstacle-1 o1-1 o1-2) (and (allowable-move-obstacle-1 o1-2 o1-3) true))))))))))))))))
+
+(check-synth)
diff --git a/test/regress/regress2/sygus/Makefile.am b/test/regress/regress2/sygus/Makefile.am
new file mode 100644
index 000000000..02091c3bd
--- /dev/null
+++ b/test/regress/regress2/sygus/Makefile.am
@@ -0,0 +1,42 @@
+# don't override a BINARY imported from a personal.mk
+@mk_if@eq ($(BINARY),)
+@mk_empty@BINARY = cvc4
+end@mk_if@
+
+LOG_COMPILER = @srcdir@/../../run_regression
+AM_LOG_FLAGS = $(RUN_REGRESSION_ARGS) @abs_top_builddir@/src/main/$(BINARY)$(EXEEXT)
+
+if AUTOMAKE_1_11
+# old-style (pre-automake 1.12) test harness
+TESTS_ENVIRONMENT = \
+	$(LOG_COMPILER) \
+	$(AM_LOG_FLAGS) $(LOG_FLAGS)
+endif
+
+# These are run for all build profiles.
+# If a test shouldn't be run in e.g. competition mode,
+# put it below in "TESTS +="
+TESTS =	\
+	array_sum_dd.sy \
+	icfp_easy_mt_ite.sy \
+	inv_gen_n_c11.sy \
+	MPwL_d1s3.sy \
+	nia-max-square.sy \
+	no-syntax-test-no-si.sy \
+	process-10-vars-2fun.sy \
+	process-arg-invariance.sy \
+	real-grammar-neg.sy \
+	lustre-real.sy \
+	max2-univ.sy \
+	mpg_guard1-dd.sy \
+	three.sy
+
+EXTRA_DIST = $(TESTS)
+
+# synonyms for "check" in this directory
+.PHONY: regress regress2 test
+regress regress2 test: check
+
+# do nothing in this subdir
+.PHONY: regress0 regress1 regress3 regress4
+regress0 regress1 regress3 regress4:
diff --git a/test/regress/regress2/sygus/array_sum_dd.sy b/test/regress/regress2/sygus/array_sum_dd.sy
new file mode 100644
index 000000000..6d3354d2d
--- /dev/null
+++ b/test/regress/regress2/sygus/array_sum_dd.sy
@@ -0,0 +1,11 @@
+; EXPECT: unsat
+; COMMAND-LINE: --sygus-out=status
+(set-logic LIA)
+(synth-fun findSum ( (y1 Int) (y2 Int) )Int (
+(Start Int ( 0 1 y1 y2 (+ Start Start) (ite BoolExpr Start Start))) 
+(BoolExpr Bool ((< Start Start) (<= Start Start)))))
+(declare-var x1 Int)
+(declare-var x2 Int)
+(constraint (=> (> (+ x1 x2) 0) (= (findSum x1 x2 ) x1)))
+(constraint (=> (<= (+ x1 x2) 0) (= (findSum x1 x2 ) x2)))
+(check-synth)
diff --git a/test/regress/regress2/sygus/icfp_easy_mt_ite.sy b/test/regress/regress2/sygus/icfp_easy_mt_ite.sy
new file mode 100644
index 000000000..799633fa3
--- /dev/null
+++ b/test/regress/regress2/sygus/icfp_easy_mt_ite.sy
@@ -0,0 +1,32 @@
+; EXPECT: unsat
+; COMMAND-LINE: --sygus-out=status
+(set-logic BV)
+
+(define-fun shr1 ((x (BitVec 64))) (BitVec 64) (bvlshr x #x0000000000000001))
+(define-fun shr4 ((x (BitVec 64))) (BitVec 64) (bvlshr x #x0000000000000004))
+(define-fun shr16 ((x (BitVec 64))) (BitVec 64) (bvlshr x #x0000000000000010))
+(define-fun shl1 ((x (BitVec 64))) (BitVec 64) (bvshl x #x0000000000000001))
+(define-fun if0 ((x (BitVec 64)) (y (BitVec 64)) (z (BitVec 64))) (BitVec 64) (ite (= x #x0000000000000001) y z))
+
+(synth-fun f ( (x (BitVec 64))) (BitVec 64)
+(
+
+(Start (BitVec 64) (#x0000000000000000 #x0000000000000001 x (bvnot Start)
+                    (shl1 Start)
+ 		    (shr1 Start)
+		    (shr4 Start)
+		    (shr16 Start)
+		    (bvand Start Start)
+		    (bvor Start Start)
+		    (bvxor Start Start)
+		    (bvadd Start Start)
+		    (ite StartBool Start Start)
+ ))
+(StartBool Bool ((= Start #x0000000000000001)))
+)
+)
+(constraint (= (f #x6E393354DFFAAB51) #xC8E366559002AA57))
+
+(constraint (= (f #xE5D371D100002E8A) #x0000000000000000))
+
+(check-synth)
diff --git a/test/regress/regress2/sygus/inv_gen_n_c11.sy b/test/regress/regress2/sygus/inv_gen_n_c11.sy
new file mode 100644
index 000000000..9e04682a5
--- /dev/null
+++ b/test/regress/regress2/sygus/inv_gen_n_c11.sy
@@ -0,0 +1,36 @@
+; EXPECT: unsat
+; COMMAND-LINE: --sygus-out=status
+(set-logic LIA)
+(synth-fun inv ((i Int) (l Int)) Bool
+    (
+        (Start Bool ((and AtomicFormula AtomicFormula)
+                     (or AtomicFormula AtomicFormula)))
+        (AtomicFormula Bool ((<= Sum Const) (= Sum Const)))
+        (Sum Int ((+ Term Term)))
+        (Term Int ((* Sign Var)))
+        (Sign Int (0 1 -1))
+        (Var Int (i l))
+        (Const Int (-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7))
+    )
+)
+
+(define-fun implies ((b1 Bool) (b2 Bool)) Bool (or (not b1) b2))
+(define-fun and3 ((b1 Bool) (b2 Bool) (b3 Bool)) Bool (and (and b1 b2) b3))
+(define-fun and4 ((b1 Bool) (b2 Bool) (b3 Bool) (b4 Bool)) Bool (and (and3 b1 b2 b3) b4))
+(define-fun and5 ((b1 Bool) (b2 Bool) (b3 Bool) (b4 Bool) (b5 Bool)) Bool (and (and4 b1 b2 b3 b4) b5))
+(define-fun and6 ((b1 Bool) (b2 Bool) (b3 Bool) (b4 Bool) (b5 Bool) (b6 Bool)) Bool (and (and5 b1 b2 b3 b4 b5) b6))
+(define-fun or3 ((b1 Bool) (b2 Bool) (b3 Bool)) Bool (or (or b1 b2) b3))
+(define-fun or4 ((b1 Bool) (b2 Bool) (b3 Bool) (b4 Bool)) Bool (or (or3 b1 b2 b3) b4))
+(define-fun or5 ((b1 Bool) (b2 Bool) (b3 Bool) (b4 Bool) (b5 Bool)) Bool (or (or4 b1 b2 b3 b4) b5))
+
+(declare-var i Int)
+(declare-var l Int)
+(declare-var i1 Int)
+(declare-var l1 Int)
+(declare-var l2 Int)
+
+(constraint (implies (= l 0) (inv i l)))
+(constraint (implies (and5 (inv i l) (implies (= l 4) (= l1 0)) (implies (not (= l 4)) (= l1 l)) (not (or (< l1 0) (>= l1 5))) (= l2 (+ l1 1))) (inv i l2)))
+(constraint (implies (and4 (inv i l) (implies (= l 4) (= l1 0)) (implies (not (= l 4)) (= l1 l)) (or (< l1 0) (>= l1 5))) false))
+
+(check-synth)
diff --git a/test/regress/regress2/sygus/lustre-real.sy b/test/regress/regress2/sygus/lustre-real.sy
new file mode 100644
index 000000000..2ca010898
--- /dev/null
+++ b/test/regress/regress2/sygus/lustre-real.sy
@@ -0,0 +1,322 @@
+; EXPECT: unsat
+; COMMAND-LINE: --cegqi-si=none --sygus-out=status
+(set-logic LIRA) 
+(define-fun
+__node_init_top_0 (
+(top.usr.onOff@0 Bool) (top.usr.decelSet@0 Bool) (top.usr.accelResume@0 Bool) (top.usr.cancel@0 Bool) (top.usr.brakePedal@0 Bool) (top.usr.carGear@0 Int) (top.usr.carSpeed@0 Real) (top.usr.validInputs@0 Bool) (top.usr.OK@0 Bool) (top.res.init_flag@0 Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___@0 Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep@0 Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root@0 Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out@0 Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out@0 Int) ) Bool
+
+(let ((X1 Int 0)) (let ((X2 Int (ite (not (= X1 1)) 1 X1))) (let ((X3 Bool (or (= X2 1) (and (>= X2 2) (<= X2 8))))) (and (= top.usr.OK@0 X3) (let ((X4 Bool false)) (let ((X5 Bool (and (and (and (and (not top.usr.cancel@0) (not top.usr.brakePedal@0)) (ite (= top.usr.carGear@0 3) true false)) (ite (>= top.usr.carSpeed@0 15.0) true false)) top.usr.validInputs@0))) (let ((X6 Bool false)) (and (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out@0
+(ite (<= (ite (>= 0 (ite top.usr.decelSet@0 1 0)) 0
+(ite top.usr.decelSet@0 1 0)) 20) (ite (>= 0 (ite top.usr.decelSet@0 1 0)) 0
+(ite top.usr.decelSet@0 1 0)) 20)) (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out@0
+(ite (<= (ite (>= 0 (ite top.usr.accelResume@0 1 0)) 0
+(ite top.usr.accelResume@0 1 0)) 20) (ite (>= 0 (ite top.usr.accelResume@0 1 0)) 0
+(ite top.usr.accelResume@0 1 0)) 20)) (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep@0 true) (let ((X7 Int (ite (not top.usr.onOff@0) 0 1))) (let ((X8 Bool (and (and (>= X1 2) (<= X1 8)) (not (ite (not (= X7 0)) true false))))) (let ((X9 Int (ite X8 (ite (and (>= X1 2) (<= X1 8)) 0 X1) X1))) (let ((X10 Int (ite X8 (ite (not (= X9 1)) 1 X9) X9))) (let ((X11 Bool (and (= X10 1) (and (ite (not (= X7 0)) true false) (not X8))))) (let ((X12 Int (ite X11 (ite (= X10 1) 0 X10) X10))) (let ((X13 Int (ite (not (and (>= X12 2) (<= X12 8))) 2 X12))) (let ((X14 Bool (and (not (and (>= X12 2) (<= X12 8))) (and (>= X13 2) (<= X13 8))))) (let ((X15 Int (ite X14 (ite (not (= X13 7)) 7 X13) X13))) (let ((X16 Int (ite X11 X15 X12))) (let ((X17 Bool (or X11 X8))) (let ((X18 Int (ite (not X5) 0 1))) (let ((X19 Bool (and (and (>= X16 3) (<= X16 6)) (not (ite (not (= X18 0)) true false))))) (let ((X20
+Int (ite X19
+(ite (and (>= X16 3) (<= X16 6)) 2 X16) X16))) (let ((X21 Int (ite X19 (ite (not (= X20 8)) 8 X20) X20))) (let ((X22 Int (ite (not X4) 0 1))) (let ((X23 Bool (and (= X21 8) (and (and (ite (not (= (ite (not (= X22 1)) 0 1) 0)) true false) (ite (not (= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X19))))) (let ((X24 Int (ite X23 (ite (= X21 8) 2 X21) X21))) (let ((X25
+Int (ite (not (and (>= X24 3) (<= X24 6))) 3 X24))) (let ((X26 Bool (and (not (and (>= X24 3) (<= X24 6))) (and (>= X25 3) (<= X25 6))))) (let ((X27
+Int (ite X26
+(ite (not (= X25 4)) 4 X25) X25))) (let ((X28 Int (ite X23 X27 X24))) (let ((X29 Bool (or X23 X19))) (let ((X30 Bool (and (= X28 8) (and (and (ite (not
+(= (ite (not
+(= (ite (not X6) 0 1) 1)) 0 1) 0)) true false) (ite (not
+(= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X29))))) (let ((X31
+Int (ite X30 (ite (= X28 8) 2 X28) X28))) (let ((X32
+Int (ite (not (and (>= X31 3) (<= X31 6))) 3 X31))) (let ((X33 Bool (and (not
+(and (>= X31 3) (<= X31 6))) (and (>= X32 3) (<= X32 6))))) (let ((X34
+Int (ite X33
+(ite (not (= X32 4)) 4 X32) X32))) (let ((X35 Int (ite X30 X34 X31))) (let ((X36 Bool (or X30 X29))) (let ((X37 Bool (and (= X35 7) (and (and (ite (not
+(= (ite (not (= X22 1)) 0 1) 0)) true false) (ite (not
+(= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X36))))) (let ((X38
+Int (ite X37
+(ite (= X35 7) 2 X35) X35))) (let ((X39
+Int (ite (not
+(and (>= X38 3) (<= X38 6))) 3 X38))) (let ((X40 Bool (and (not
+(and (>= X38 3) (<= X38 6))) (and (>= X39 3) (<= X39 6))))) (let ((X41
+Int (ite X40
+(ite (not (= X39 4)) 4 X39) X39))) (let ((X42 Int (ite X37 X41 X38))) (let ((X43 Bool (or X37 X36))) (let ((X44 Bool (and (= X42 4) (= X22 1)))) (let ((X45
+Int (ite X44
+(ite (= X42 4) 3 X42) X42))) (let ((X46
+Int (ite X44
+(ite (not (= X45 4)) 4 X45) X45))) (let ((X47
+Int (ite (not
+(ite (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out@0 20) true false)) 0 1))) (let ((X48 Bool (and (= X46 4) (and (= X47 1) (not X44))))) (let ((X49
+Int (ite X48
+(ite (= X46 4) 3 X46) X46))) (let ((X50
+Int (ite X48
+(ite (not (= X49 5)) 5 X49) X49))) (let ((X51 Bool (or X48 X44))) (let ((X52
+Int (ite (not
+(ite (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out@0 20) true false)) 0 1))) (let ((X53 Bool (and (= X50 4) (and (= X52 1) (not X51))))) (let ((X54
+Int (ite X53
+(ite (= X50 4) 3 X50) X50))) (let ((X55
+Int (ite X53
+(ite (not
+(= X54 6)) 6 X54) X54))) (let ((X56 Bool (or X53 X51))) (let ((X57 Bool (and (= X55 6) (and (= X52 0) (not X56))))) (let ((X58
+Int (ite X57
+(ite (= X55 6) 3 X55) X55))) (let ((X59
+Int (ite X57
+(ite (not
+(= X58 4)) 4 X58) X58))) (let ((X60 Bool 
+(or X57 X56))) (let ((X61 Bool 
+(and (= X59 5) (and (= X47 0) (not X60))))) (let ((X62
+Int (ite X61
+(ite (= X59 5) 3 X59) X59))) (let ((X63
+Int (ite X61
+(ite (not
+(= X62 4)) 4 X62) X62))) (and (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___@0 true) (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root@0
+(ite top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___@0
+(ite top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep@0 X2
+(ite (and (not X17) (and (>= X16 2) (<= X16
+8))) (ite (and (not X43) (and (>= X42
+3) (<= X42
+6))) X63 X42) X16)) X1)) (<= 0 X47 1) (<= 0 X22 1) (<= 0 X18 1) (<= 0 X7 1) (<= 0 X52 1) top.res.init_flag@0)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ) 
+(define-fun
+__node_trans_top_0 (
+(top.usr.onOff@1 Bool) (top.usr.decelSet@1 Bool) (top.usr.accelResume@1 Bool) (top.usr.cancel@1 Bool) (top.usr.brakePedal@1 Bool) (top.usr.carGear@1 Int) (top.usr.carSpeed@1 Real) (top.usr.validInputs@1 Bool) (top.usr.OK@1 Bool) (top.res.init_flag@1 Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___@1 Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep@1 Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root@1 Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out@1 Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out@1 Int) (top.usr.onOff@0 Bool) (top.usr.decelSet@0 Bool) (top.usr.accelResume@0 Bool) (top.usr.cancel@0 Bool) (top.usr.brakePedal@0 Bool) (top.usr.carGear@0 Int) (top.usr.carSpeed@0 Real) (top.usr.validInputs@0 Bool) (top.usr.OK@0 Bool) (top.res.init_flag@0 Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___@0 Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep@0 Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root@0 Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out@0 Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out@0 Int) ) Bool
+
+(let ((X1
+Int top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root@0)) (let ((X2 Int (ite (not (= X1 1)) 1 X1))) (let ((X3 Bool (or (= X2 1) (and (>= X2 2) (<= X2 8))))) (and (= top.usr.OK@1 X3) (let ((X4 Bool (and (not top.usr.decelSet@0) top.usr.decelSet@1))) (let ((X5 Bool (and (and (and (and (not top.usr.cancel@1) (not top.usr.brakePedal@1)) (ite (= top.usr.carGear@1 3) true false)) (ite (>= top.usr.carSpeed@1 15.0) true false)) top.usr.validInputs@1))) (let ((X6 Bool (and (not top.usr.accelResume@0) top.usr.accelResume@1))) (and (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out@1
+(ite (<= (ite (>= 0
+(ite top.usr.decelSet@1
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out@0 1) 0)) 0
+(ite top.usr.decelSet@1
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out@0 1) 0)) 20) (ite (>= 0
+(ite top.usr.decelSet@1
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out@0 1) 0)) 0
+(ite top.usr.decelSet@1
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out@0 1) 0)) 20)) (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out@1
+(ite (<= (ite (>= 0
+(ite top.usr.accelResume@1
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out@0 1) 0)) 0
+(ite top.usr.accelResume@1
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out@0 1) 0)) 20) (ite (>= 0
+(ite top.usr.accelResume@1
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out@0 1) 0)) 0
+(ite top.usr.accelResume@1
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out@0 1) 0)) 20)) (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep@1
+(ite top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___@0
+false top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep@0)) (let ((X7 Int (ite (not top.usr.onOff@1) 0 1))) (let ((X8 Bool (and (and (>= X1 2) (<= X1 8)) (not (ite (not (= X7 0)) true false))))) (let ((X9 Int (ite X8 (ite (and (>= X1 2) (<= X1 8)) 0 X1) X1))) (let ((X10 Int (ite X8 (ite (not (= X9 1)) 1 X9) X9))) (let ((X11 Bool (and (= X10 1) (and (ite (not (= X7 0)) true false) (not X8))))) (let ((X12 Int (ite X11 (ite (= X10 1) 0 X10) X10))) (let ((X13 Int (ite (not (and (>= X12 2) (<= X12 8))) 2 X12))) (let ((X14 Bool (and (not (and (>= X12 2) (<= X12 8))) (and (>= X13 2) (<= X13 8))))) (let ((X15 Int (ite X14 (ite (not (= X13 7)) 7 X13) X13))) (let ((X16 Int (ite X11 X15 X12))) (let ((X17 Bool (or X11 X8))) (let ((X18 Int (ite (not X5) 0 1))) (let ((X19 Bool (and (and (>= X16 3) (<= X16 6)) (not (ite (not (= X18 0)) true false))))) (let ((X20
+Int (ite X19
+(ite (and (>= X16 3) (<= X16 6)) 2 X16) X16))) (let ((X21 Int (ite X19 (ite (not (= X20 8)) 8 X20) X20))) (let ((X22 Int (ite (not X4) 0 1))) (let ((X23 Bool (and (= X21 8) (and (and (ite (not (= (ite (not (= X22 1)) 0 1) 0)) true false) (ite (not (= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X19))))) (let ((X24 Int (ite X23 (ite (= X21 8) 2 X21) X21))) (let ((X25
+Int (ite (not (and (>= X24 3) (<= X24 6))) 3 X24))) (let ((X26 Bool (and (not (and (>= X24 3) (<= X24 6))) (and (>= X25 3) (<= X25 6))))) (let ((X27
+Int (ite X26
+(ite (not (= X25 4)) 4 X25) X25))) (let ((X28 Int (ite X23 X27 X24))) (let ((X29 Bool (or X23 X19))) (let ((X30 Bool (and (= X28 8) (and (and (ite (not
+(= (ite (not
+(= (ite (not X6) 0 1) 1)) 0 1) 0)) true false) (ite (not
+(= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X29))))) (let ((X31
+Int (ite X30 (ite (= X28 8) 2 X28) X28))) (let ((X32
+Int (ite (not (and (>= X31 3) (<= X31 6))) 3 X31))) (let ((X33 Bool (and (not
+(and (>= X31 3) (<= X31 6))) (and (>= X32 3) (<= X32 6))))) (let ((X34
+Int (ite X33
+(ite (not (= X32 4)) 4 X32) X32))) (let ((X35 Int (ite X30 X34 X31))) (let ((X36 Bool (or X30 X29))) (let ((X37 Bool (and (= X35 7) (and (and (ite (not
+(= (ite (not (= X22 1)) 0 1) 0)) true false) (ite (not
+(= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X36))))) (let ((X38
+Int (ite X37
+(ite (= X35 7) 2 X35) X35))) (let ((X39
+Int (ite (not
+(and (>= X38 3) (<= X38 6))) 3 X38))) (let ((X40 Bool (and (not
+(and (>= X38 3) (<= X38 6))) (and (>= X39 3) (<= X39 6))))) (let ((X41
+Int (ite X40
+(ite (not (= X39 4)) 4 X39) X39))) (let ((X42 Int (ite X37 X41 X38))) (let ((X43 Bool (or X37 X36))) (let ((X44 Bool (and (= X42 4) (= X22 1)))) (let ((X45
+Int (ite X44
+(ite (= X42 4) 3 X42) X42))) (let ((X46
+Int (ite X44
+(ite (not (= X45 4)) 4 X45) X45))) (let ((X47
+Int (ite (not
+(ite (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out@1 20) true false)) 0 1))) (let ((X48 Bool (and (= X46 4) (and (= X47 1) (not X44))))) (let ((X49
+Int (ite X48
+(ite (= X46 4) 3 X46) X46))) (let ((X50
+Int (ite X48
+(ite (not (= X49 5)) 5 X49) X49))) (let ((X51 Bool (or X48 X44))) (let ((X52
+Int (ite (not
+(ite (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out@1 20) true false)) 0 1))) (let ((X53 Bool (and (= X50 4) (and (= X52 1) (not X51))))) (let ((X54
+Int (ite X53
+(ite (= X50 4) 3 X50) X50))) (let ((X55
+Int (ite X53
+(ite (not
+(= X54 6)) 6 X54) X54))) (let ((X56 Bool (or X53 X51))) (let ((X57 Bool (and (= X55 6) (and (= X52 0) (not X56))))) (let ((X58
+Int (ite X57
+(ite (= X55 6) 3 X55) X55))) (let ((X59
+Int (ite X57
+(ite (not
+(= X58 4)) 4 X58) X58))) (let ((X60 Bool 
+(or X57 X56))) (let ((X61 Bool 
+(and (= X59 5) (and (= X47 0) (not X60))))) (let ((X62
+Int (ite X61
+(ite (= X59 5) 3 X59) X59))) (let ((X63
+Int (ite X61
+(ite (not
+(= X62 4)) 4 X62) X62))) (and (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___@1 true) (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root@1
+(ite top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___@1
+(ite top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep@1 X2
+(ite (and (not X17) (and (>= X16 2) (<= X16
+8))) (ite (and (not X43) (and (>= X42
+3) (<= X42
+6))) X63 X42) X16)) X1)) (<= 0 X47 1) (<= 0 X22 1) (<= 0 X18 1) (<= 0 X7 1) (<= 0 X52 1) (not top.res.init_flag@1))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ) 
+
+
+(synth-inv str_invariant(
+(top.usr.onOff Bool) (top.usr.decelSet Bool) (top.usr.accelResume Bool) (top.usr.cancel Bool) (top.usr.brakePedal Bool) (top.usr.carGear Int) (top.usr.carSpeed Real) (top.usr.validInputs Bool) (top.usr.OK Bool) (top.res.init_flag Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___ Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out Int) )) 
+
+(declare-primed-var top.usr.onOff Bool) (declare-primed-var top.usr.decelSet Bool) (declare-primed-var top.usr.accelResume Bool) (declare-primed-var top.usr.cancel Bool) (declare-primed-var top.usr.brakePedal Bool) (declare-primed-var top.usr.carGear Int) (declare-primed-var top.usr.carSpeed Real) (declare-primed-var top.usr.validInputs Bool) (declare-primed-var top.usr.OK Bool) (declare-primed-var top.res.init_flag Bool) (declare-primed-var top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___ Bool) (declare-primed-var top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep Bool) (declare-primed-var top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root Int) (declare-primed-var top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out Int) (declare-primed-var top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out Int) 
+(define-fun
+init (
+(top.usr.onOff Bool) (top.usr.decelSet Bool) (top.usr.accelResume Bool) (top.usr.cancel Bool) (top.usr.brakePedal Bool) (top.usr.carGear Int) (top.usr.carSpeed Real) (top.usr.validInputs Bool) (top.usr.OK Bool) (top.res.init_flag Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___ Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out Int) ) Bool
+
+(let ((X1 Int 0)) (let ((X2 Int (ite (not (= X1 1)) 1 X1))) (let ((X3 Bool (or (= X2 1) (and (>= X2 2) (<= X2 8))))) (and (= top.usr.OK X3) (let ((X4 Bool false)) (let ((X5 Bool (and (and (and (and (not top.usr.cancel) (not top.usr.brakePedal)) (ite (= top.usr.carGear 3) true false)) (ite (>= top.usr.carSpeed 15.0) true false)) top.usr.validInputs))) (let ((X6 Bool false)) (and (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out
+(ite (<= (ite (>= 0 (ite top.usr.decelSet 1 0)) 0
+(ite top.usr.decelSet 1 0)) 20) (ite (>= 0 (ite top.usr.decelSet 1 0)) 0
+(ite top.usr.decelSet 1 0)) 20)) (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out
+(ite (<= (ite (>= 0 (ite top.usr.accelResume 1 0)) 0
+(ite top.usr.accelResume 1 0)) 20) (ite (>= 0 (ite top.usr.accelResume 1 0)) 0
+(ite top.usr.accelResume 1 0)) 20)) (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep true) (let ((X7 Int (ite (not top.usr.onOff) 0 1))) (let ((X8 Bool (and (and (>= X1 2) (<= X1 8)) (not (ite (not (= X7 0)) true false))))) (let ((X9 Int (ite X8 (ite (and (>= X1 2) (<= X1 8)) 0 X1) X1))) (let ((X10 Int (ite X8 (ite (not (= X9 1)) 1 X9) X9))) (let ((X11 Bool (and (= X10 1) (and (ite (not (= X7 0)) true false) (not X8))))) (let ((X12 Int (ite X11 (ite (= X10 1) 0 X10) X10))) (let ((X13 Int (ite (not (and (>= X12 2) (<= X12 8))) 2 X12))) (let ((X14 Bool (and (not (and (>= X12 2) (<= X12 8))) (and (>= X13 2) (<= X13 8))))) (let ((X15 Int (ite X14 (ite (not (= X13 7)) 7 X13) X13))) (let ((X16 Int (ite X11 X15 X12))) (let ((X17 Bool (or X11 X8))) (let ((X18 Int (ite (not X5) 0 1))) (let ((X19 Bool (and (and (>= X16 3) (<= X16 6)) (not (ite (not (= X18 0)) true false))))) (let ((X20
+Int (ite X19
+(ite (and (>= X16 3) (<= X16 6)) 2 X16) X16))) (let ((X21 Int (ite X19 (ite (not (= X20 8)) 8 X20) X20))) (let ((X22 Int (ite (not X4) 0 1))) (let ((X23 Bool (and (= X21 8) (and (and (ite (not (= (ite (not (= X22 1)) 0 1) 0)) true false) (ite (not (= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X19))))) (let ((X24 Int (ite X23 (ite (= X21 8) 2 X21) X21))) (let ((X25
+Int (ite (not (and (>= X24 3) (<= X24 6))) 3 X24))) (let ((X26 Bool (and (not (and (>= X24 3) (<= X24 6))) (and (>= X25 3) (<= X25 6))))) (let ((X27
+Int (ite X26
+(ite (not (= X25 4)) 4 X25) X25))) (let ((X28 Int (ite X23 X27 X24))) (let ((X29 Bool (or X23 X19))) (let ((X30 Bool (and (= X28 8) (and (and (ite (not
+(= (ite (not
+(= (ite (not X6) 0 1) 1)) 0 1) 0)) true false) (ite (not
+(= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X29))))) (let ((X31
+Int (ite X30 (ite (= X28 8) 2 X28) X28))) (let ((X32
+Int (ite (not (and (>= X31 3) (<= X31 6))) 3 X31))) (let ((X33 Bool (and (not
+(and (>= X31 3) (<= X31 6))) (and (>= X32 3) (<= X32 6))))) (let ((X34
+Int (ite X33
+(ite (not (= X32 4)) 4 X32) X32))) (let ((X35 Int (ite X30 X34 X31))) (let ((X36 Bool (or X30 X29))) (let ((X37 Bool (and (= X35 7) (and (and (ite (not
+(= (ite (not (= X22 1)) 0 1) 0)) true false) (ite (not
+(= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X36))))) (let ((X38
+Int (ite X37
+(ite (= X35 7) 2 X35) X35))) (let ((X39
+Int (ite (not
+(and (>= X38 3) (<= X38 6))) 3 X38))) (let ((X40 Bool (and (not
+(and (>= X38 3) (<= X38 6))) (and (>= X39 3) (<= X39 6))))) (let ((X41
+Int (ite X40
+(ite (not (= X39 4)) 4 X39) X39))) (let ((X42 Int (ite X37 X41 X38))) (let ((X43 Bool (or X37 X36))) (let ((X44 Bool (and (= X42 4) (= X22 1)))) (let ((X45
+Int (ite X44
+(ite (= X42 4) 3 X42) X42))) (let ((X46
+Int (ite X44
+(ite (not (= X45 4)) 4 X45) X45))) (let ((X47
+Int (ite (not
+(ite (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out 20) true false)) 0 1))) (let ((X48 Bool (and (= X46 4) (and (= X47 1) (not X44))))) (let ((X49
+Int (ite X48
+(ite (= X46 4) 3 X46) X46))) (let ((X50
+Int (ite X48
+(ite (not (= X49 5)) 5 X49) X49))) (let ((X51 Bool (or X48 X44))) (let ((X52
+Int (ite (not
+(ite (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out 20) true false)) 0 1))) (let ((X53 Bool (and (= X50 4) (and (= X52 1) (not X51))))) (let ((X54
+Int (ite X53
+(ite (= X50 4) 3 X50) X50))) (let ((X55
+Int (ite X53
+(ite (not
+(= X54 6)) 6 X54) X54))) (let ((X56 Bool (or X53 X51))) (let ((X57 Bool (and (= X55 6) (and (= X52 0) (not X56))))) (let ((X58
+Int (ite X57
+(ite (= X55 6) 3 X55) X55))) (let ((X59
+Int (ite X57
+(ite (not
+(= X58 4)) 4 X58) X58))) (let ((X60 Bool 
+(or X57 X56))) (let ((X61 Bool 
+(and (= X59 5) (and (= X47 0) (not X60))))) (let ((X62
+Int (ite X61
+(ite (= X59 5) 3 X59) X59))) (let ((X63
+Int (ite X61
+(ite (not
+(= X62 4)) 4 X62) X62))) (and (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___ true) (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root
+(ite top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___
+(ite top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep X2
+(ite (and (not X17) (and (>= X16 2) (<= X16
+8))) (ite (and (not X43) (and (>= X42
+3) (<= X42
+6))) X63 X42) X16)) X1)) (<= 0 X47 1) (<= 0 X22 1) (<= 0 X18 1) (<= 0 X7 1) (<= 0 X52 1) top.res.init_flag)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ) 
+(define-fun trans (
+
+;; Current state.
+(top.usr.onOff Bool) (top.usr.decelSet Bool) (top.usr.accelResume Bool) (top.usr.cancel Bool) (top.usr.brakePedal Bool) (top.usr.carGear Int) (top.usr.carSpeed Real) (top.usr.validInputs Bool) (top.usr.OK Bool) (top.res.init_flag Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___ Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out Int) 
+;; Next state.
+(top.usr.onOff! Bool) (top.usr.decelSet! Bool) (top.usr.accelResume! Bool) (top.usr.cancel! Bool) (top.usr.brakePedal! Bool) (top.usr.carGear! Int) (top.usr.carSpeed! Real) (top.usr.validInputs! Bool) (top.usr.OK! Bool) (top.res.init_flag! Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___! Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep! Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root! Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out! Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out! Int) 
+) Bool
+
+(let ((X1
+Int top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root)) (let ((X2 Int (ite (not (= X1 1)) 1 X1))) (let ((X3 Bool (or (= X2 1) (and (>= X2 2) (<= X2 8))))) (and (= top.usr.OK! X3) (let ((X4 Bool (and (not top.usr.decelSet) top.usr.decelSet!))) (let ((X5 Bool (and (and (and (and (not top.usr.cancel!) (not top.usr.brakePedal!)) (ite (= top.usr.carGear! 3) true false)) (ite (>= top.usr.carSpeed! 15.0) true false)) top.usr.validInputs!))) (let ((X6 Bool (and (not top.usr.accelResume) top.usr.accelResume!))) (and (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out!
+(ite (<= (ite (>= 0
+(ite top.usr.decelSet!
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out 1) 0)) 0
+(ite top.usr.decelSet!
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out 1) 0)) 20) (ite (>= 0
+(ite top.usr.decelSet!
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out 1) 0)) 0
+(ite top.usr.decelSet!
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out 1) 0)) 20)) (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out!
+(ite (<= (ite (>= 0
+(ite top.usr.accelResume!
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out 1) 0)) 0
+(ite top.usr.accelResume!
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out 1) 0)) 20) (ite (>= 0
+(ite top.usr.accelResume!
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out 1) 0)) 0
+(ite top.usr.accelResume!
+(+ top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out 1) 0)) 20)) (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep!
+(ite top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___
+false top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep)) (let ((X7 Int (ite (not top.usr.onOff!) 0 1))) (let ((X8 Bool (and (and (>= X1 2) (<= X1 8)) (not (ite (not (= X7 0)) true false))))) (let ((X9 Int (ite X8 (ite (and (>= X1 2) (<= X1 8)) 0 X1) X1))) (let ((X10 Int (ite X8 (ite (not (= X9 1)) 1 X9) X9))) (let ((X11 Bool (and (= X10 1) (and (ite (not (= X7 0)) true false) (not X8))))) (let ((X12 Int (ite X11 (ite (= X10 1) 0 X10) X10))) (let ((X13 Int (ite (not (and (>= X12 2) (<= X12 8))) 2 X12))) (let ((X14 Bool (and (not (and (>= X12 2) (<= X12 8))) (and (>= X13 2) (<= X13 8))))) (let ((X15 Int (ite X14 (ite (not (= X13 7)) 7 X13) X13))) (let ((X16 Int (ite X11 X15 X12))) (let ((X17 Bool (or X11 X8))) (let ((X18 Int (ite (not X5) 0 1))) (let ((X19 Bool (and (and (>= X16 3) (<= X16 6)) (not (ite (not (= X18 0)) true false))))) (let ((X20
+Int (ite X19
+(ite (and (>= X16 3) (<= X16 6)) 2 X16) X16))) (let ((X21 Int (ite X19 (ite (not (= X20 8)) 8 X20) X20))) (let ((X22 Int (ite (not X4) 0 1))) (let ((X23 Bool (and (= X21 8) (and (and (ite (not (= (ite (not (= X22 1)) 0 1) 0)) true false) (ite (not (= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X19))))) (let ((X24 Int (ite X23 (ite (= X21 8) 2 X21) X21))) (let ((X25
+Int (ite (not (and (>= X24 3) (<= X24 6))) 3 X24))) (let ((X26 Bool (and (not (and (>= X24 3) (<= X24 6))) (and (>= X25 3) (<= X25 6))))) (let ((X27
+Int (ite X26
+(ite (not (= X25 4)) 4 X25) X25))) (let ((X28 Int (ite X23 X27 X24))) (let ((X29 Bool (or X23 X19))) (let ((X30 Bool (and (= X28 8) (and (and (ite (not
+(= (ite (not
+(= (ite (not X6) 0 1) 1)) 0 1) 0)) true false) (ite (not
+(= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X29))))) (let ((X31
+Int (ite X30 (ite (= X28 8) 2 X28) X28))) (let ((X32
+Int (ite (not (and (>= X31 3) (<= X31 6))) 3 X31))) (let ((X33 Bool (and (not
+(and (>= X31 3) (<= X31 6))) (and (>= X32 3) (<= X32 6))))) (let ((X34
+Int (ite X33
+(ite (not (= X32 4)) 4 X32) X32))) (let ((X35 Int (ite X30 X34 X31))) (let ((X36 Bool (or X30 X29))) (let ((X37 Bool (and (= X35 7) (and (and (ite (not
+(= (ite (not (= X22 1)) 0 1) 0)) true false) (ite (not
+(= (ite (not (= X18 1)) 0 1) 0)) true false)) (not X36))))) (let ((X38
+Int (ite X37
+(ite (= X35 7) 2 X35) X35))) (let ((X39
+Int (ite (not
+(and (>= X38 3) (<= X38 6))) 3 X38))) (let ((X40 Bool (and (not
+(and (>= X38 3) (<= X38 6))) (and (>= X39 3) (<= X39 6))))) (let ((X41
+Int (ite X40
+(ite (not (= X39 4)) 4 X39) X39))) (let ((X42 Int (ite X37 X41 X38))) (let ((X43 Bool (or X37 X36))) (let ((X44 Bool (and (= X42 4) (= X22 1)))) (let ((X45
+Int (ite X44
+(ite (= X42 4) 3 X42) X42))) (let ((X46
+Int (ite X44
+(ite (not (= X45 4)) 4 X45) X45))) (let ((X47
+Int (ite (not
+(ite (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out! 20) true false)) 0 1))) (let ((X48 Bool (and (= X46 4) (and (= X47 1) (not X44))))) (let ((X49
+Int (ite X48
+(ite (= X46 4) 3 X46) X46))) (let ((X50
+Int (ite X48
+(ite (not (= X49 5)) 5 X49) X49))) (let ((X51 Bool (or X48 X44))) (let ((X52
+Int (ite (not
+(ite (= top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out! 20) true false)) 0 1))) (let ((X53 Bool (and (= X50 4) (and (= X52 1) (not X51))))) (let ((X54
+Int (ite X53
+(ite (= X50 4) 3 X50) X50))) (let ((X55
+Int (ite X53
+(ite (not
+(= X54 6)) 6 X54) X54))) (let ((X56 Bool (or X53 X51))) (let ((X57 Bool (and (= X55 6) (and (= X52 0) (not X56))))) (let ((X58
+Int (ite X57
+(ite (= X55 6) 3 X55) X55))) (let ((X59
+Int (ite X57
+(ite (not
+(= X58 4)) 4 X58) X58))) (let ((X60 Bool 
+(or X57 X56))) (let ((X61 Bool 
+(and (= X59 5) (and (= X47 0) (not X60))))) (let ((X62
+Int (ite X61
+(ite (= X59 5) 3 X59) X59))) (let ((X63
+Int (ite X61
+(ite (not
+(= X62 4)) 4 X62) X62))) (and (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___! true) (= top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root!
+(ite top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___!
+(ite top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep! X2
+(ite (and (not X17) (and (>= X16 2) (<= X16
+8))) (ite (and (not X43) (and (>= X42
+3) (<= X42
+6))) X63 X42) X16)) X1)) (<= 0 X47 1) (<= 0 X22 1) (<= 0 X18 1) (<= 0 X7 1) (<= 0 X52 1) (not top.res.init_flag!))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) ) 
+(define-fun
+prop (
+(top.usr.onOff Bool) (top.usr.decelSet Bool) (top.usr.accelResume Bool) (top.usr.cancel Bool) (top.usr.brakePedal Bool) (top.usr.carGear Int) (top.usr.carSpeed Real) (top.usr.validInputs Bool) (top.usr.OK Bool) (top.res.init_flag Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic____wakeup___ Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_rlt_evtInitStep Bool) (top.impl.usr.chart_CruiseController_ModeLogic_mode_logic_final_state_states___root Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetAccel_Bounded_Count_Out Int) (top.impl.usr.cruise_controller_CruiseController_ModeLogic_DelayOnsetDecel_Bounded_Count_Out Int) ) Bool
+ top.usr.OK
+) 
+(inv-constraint str_invariant init trans prop) 
+(check-synth) 
diff --git a/test/regress/regress2/sygus/max2-univ.sy b/test/regress/regress2/sygus/max2-univ.sy
new file mode 100644
index 000000000..0e00cfd9b
--- /dev/null
+++ b/test/regress/regress2/sygus/max2-univ.sy
@@ -0,0 +1,12 @@
+; EXPECT: unsat
+; COMMAND-LINE: --sygus-out=status
+; Synthesize the maximum of 2 integers, but property has 4 variables (requires 2 passes)
+(set-logic LIA)
+(synth-fun max2 ((x Int) (y Int)) Int)
+(declare-var x Int)
+(declare-var y Int)
+(declare-var r Int)
+(declare-var w Int)
+(constraint (=> (< r 0) (=> (or (and (= x w) (= y (+ w r))) (and (= x (+ w r)) (= y w))) (= (max2 x y) w))))
+(check-synth)
+
diff --git a/test/regress/regress2/sygus/mpg_guard1-dd.sy b/test/regress/regress2/sygus/mpg_guard1-dd.sy
new file mode 100644
index 000000000..31800a36f
--- /dev/null
+++ b/test/regress/regress2/sygus/mpg_guard1-dd.sy
@@ -0,0 +1,27 @@
+; EXPECT: unsat
+; COMMAND-LINE: --sygus-out=status
+(set-logic LIA)
+
+(synth-fun eq1 ( (x Int) (y Int) ) Int
+    ((Start Int (x
+                 y
+                 0
+                 (+ Start Start)
+                 (- Start Start)
+                 (ite StartBool Start Start)))
+     (StartBool Bool ((and StartBool StartBool)
+                      (<=  Start Start)
+                      (=   Start Start)))))
+
+(define-fun iteB (( b1 Bool ) (b2 Bool ) (b3 Bool )) Bool (or (and b1 b2) (and (not b1) b3)))
+
+(declare-var x Int) 
+(declare-var y Int) 
+
+(constraint (iteB (>= x 0) 
+                  (= (eq1 x y) (+ x x))
+		              (= (eq1 x y) x)
+))
+
+(check-synth)
+
diff --git a/test/regress/regress2/sygus/nia-max-square.sy b/test/regress/regress2/sygus/nia-max-square.sy
new file mode 100644
index 000000000..e023e837b
--- /dev/null
+++ b/test/regress/regress2/sygus/nia-max-square.sy
@@ -0,0 +1,21 @@
+; EXPECT: unsat
+; COMMAND-LINE: --sygus-out=status --nl-ext-tplanes
+(set-logic NIA)
+
+(synth-fun max ((x Int) (y Int)) Int
+  ((Start Int (0 1 x y
+               (+ Start Start)
+               (- Start Start)
+               (* Start Start)
+               (ite StartBool Start Start)))
+   (StartBool Bool ((and StartBool StartBool)
+                    (not StartBool)
+                    (<= Start Start)))))
+
+(declare-var x Int)
+(declare-var y Int)
+
+(constraint (>= (max x y) (* x x)))
+(constraint (>= (max x y) (* y y)))
+
+(check-synth)
diff --git a/test/regress/regress2/sygus/no-syntax-test-no-si.sy b/test/regress/regress2/sygus/no-syntax-test-no-si.sy
new file mode 100644
index 000000000..8f333811c
--- /dev/null
+++ b/test/regress/regress2/sygus/no-syntax-test-no-si.sy
@@ -0,0 +1,14 @@
+; EXPECT: unsat
+; COMMAND-LINE: --sygus-out=status
+
+(set-logic LIA)
+
+(synth-fun f ((x Int) (y Int)) Int)
+
+(declare-var x Int)
+(declare-var y Int)
+
+(constraint (= (f x y) (+ (f x x) (f y y) x 1)))
+
+(check-synth)
+
diff --git a/test/regress/regress2/sygus/process-10-vars-2fun.sy b/test/regress/regress2/sygus/process-10-vars-2fun.sy
new file mode 100644
index 000000000..00340030f
--- /dev/null
+++ b/test/regress/regress2/sygus/process-10-vars-2fun.sy
@@ -0,0 +1,28 @@
+; COMMAND-LINE: --cegqi-si=none --sygus-out=status
+; EXPECT: unsat
+(set-logic LIA)
+
+(synth-fun f ((x1 Int) (x2 Int) (x3 Int) (x4 Int) (x5 Int) (x6 Int) (x7 Int) (x8 Int) (x9 Int) (x10 Int)) Int)
+
+(synth-fun g ((x1 Int) (x2 Int) (x3 Int) (x4 Int) (x5 Int) (x6 Int) (x7 Int) (x8 Int) (x9 Int) (x10 Int)) Int)
+
+(declare-var x1 Int)
+(declare-var x2 Int)
+(declare-var x3 Int)
+(declare-var x4 Int)
+(declare-var x5 Int)
+(declare-var x6 Int)
+(declare-var x7 Int)
+(declare-var x8 Int)
+(declare-var x9 Int)
+(declare-var x10 Int)
+
+; should be able to determine that arguments 1...6, 8...10 are irrelevant for f
+; and arguments 1...3, 5...10 are irrelevant for g
+
+(constraint (>= (f x1 x2 x3 x4 x5 x6 x7 x8 x9 x10) (+ x7 x7 x7)))
+
+(constraint (>= (g x1 x2 x3 x4 x5 x6 x7 x8 x9 x10) (+ x4 x4 x4)))
+
+(check-synth)
+
diff --git a/test/regress/regress2/sygus/process-arg-invariance.sy b/test/regress/regress2/sygus/process-arg-invariance.sy
new file mode 100644
index 000000000..3c18b6c75
--- /dev/null
+++ b/test/regress/regress2/sygus/process-arg-invariance.sy
@@ -0,0 +1,18 @@
+; COMMAND-LINE: --cegqi-si=none --sygus-out=status --no-sygus-add-const-grammar
+; EXPECT: unsat
+(set-logic LIA)
+
+(synth-fun f ((x1 Int) (x2 Int) (x3 Int) (x4 Int) (x5 Int) (x6 Int) (x7 Int) (x8 Int) (x9 Int) (x10 Int)) Int)
+
+
+(declare-var x Int)
+(declare-var y Int)
+
+; should be able to determine that only 3 arguments 
+; (one of 5...9, one of 1 or 4, one of 2 or 3) is relevant for f
+
+(constraint (> (f (+ x x) (+ x 1) (+ x 1) (+ x x) x x x x x 0) (+ x x x)))
+(constraint (<= (f x x x x x x x x x 0) (+ x x x)))
+
+(check-synth)
+
diff --git a/test/regress/regress2/sygus/real-grammar-neg.sy b/test/regress/regress2/sygus/real-grammar-neg.sy
new file mode 100644
index 000000000..523c95ec2
--- /dev/null
+++ b/test/regress/regress2/sygus/real-grammar-neg.sy
@@ -0,0 +1,14 @@
+; EXPECT: unsat
+; COMMAND-LINE: --sygus-out=status --cegqi-si=none --no-sygus-pbe
+
+(set-logic LRA)
+
+(synth-fun f ((x Real)) Real)
+
+(declare-var x Real)
+
+(constraint (and (= (f -4) -2) (= (f -9) (/ -9 2))))
+
+(check-synth)
+
+; a solution is f = (/ x (+ 1 1))
diff --git a/test/regress/regress2/sygus/three.sy b/test/regress/regress2/sygus/three.sy
new file mode 100644
index 000000000..831e5beb1
--- /dev/null
+++ b/test/regress/regress2/sygus/three.sy
@@ -0,0 +1,30 @@
+; EXPECT: unsat
+; COMMAND-LINE: --sygus-out=status 
+
+(set-logic LIA)
+
+(synth-fun f ((x Int)) Int
+    ((Start Int (
+                 x
+                 3
+                 7
+                 10
+                 (* Start Start)
+                 (mod Start Start)))))
+
+(declare-var x Int)
+
+(constraint (= (f x) (f (+ x 10))))
+(constraint (= (f 1) 3))
+(constraint (= (f 2) 6))
+(constraint (= (f 3) 9))
+(constraint (= (f 4) 2))
+(constraint (= (f 5) 5))
+(constraint (= (f 6) 8))
+(constraint (= (f 7) 1))
+(constraint (= (f 8) 4))
+(constraint (= (f 9) 7))
+(constraint (= (f 0) 0))
+
+(check-synth)
+