7.81/3.68 YES 9.86/4.24 proof of /export/starexec/sandbox2/benchmark/theBenchmark.hs 9.86/4.24 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.86/4.24 9.86/4.24 9.86/4.24 H-Termination with start terms of the given HASKELL could be proven: 9.86/4.24 9.86/4.24 (0) HASKELL 9.86/4.24 (1) BR [EQUIVALENT, 0 ms] 9.86/4.24 (2) HASKELL 9.86/4.24 (3) COR [EQUIVALENT, 0 ms] 9.86/4.24 (4) HASKELL 9.86/4.24 (5) Narrow [SOUND, 0 ms] 9.86/4.24 (6) AND 9.86/4.24 (7) QDP 9.86/4.24 (8) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.86/4.24 (9) YES 9.86/4.24 (10) QDP 9.86/4.24 (11) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.86/4.24 (12) YES 9.86/4.24 (13) QDP 9.86/4.24 (14) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.86/4.24 (15) YES 9.86/4.24 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (0) 9.86/4.24 Obligation: 9.86/4.24 mainModule Main 9.86/4.24 module Main where { 9.86/4.24 import qualified Prelude; 9.86/4.24 data List a = Cons a (List a) | Nil ; 9.86/4.24 9.86/4.24 data MyInt = Pos Main.Nat | Neg Main.Nat ; 9.86/4.24 9.86/4.24 data Main.Nat = Succ Main.Nat | Zero ; 9.86/4.24 9.86/4.24 data Main.WHNF a = WHNF a ; 9.86/4.24 9.86/4.24 dsEm :: (b -> a) -> b -> a; 9.86/4.24 dsEm f x = Main.seq x (f x); 9.86/4.24 9.86/4.24 enforceWHNF :: Main.WHNF a -> b -> b; 9.86/4.24 enforceWHNF (Main.WHNF x) y = y; 9.86/4.24 9.86/4.24 foldl' :: (b -> a -> b) -> b -> List a -> b; 9.86/4.24 foldl' f a Nil = a; 9.86/4.24 foldl' f a (Cons x xs) = dsEm (foldl' f) (f a x) xs; 9.86/4.24 9.86/4.24 fromIntMyInt :: MyInt -> MyInt; 9.86/4.24 fromIntMyInt x = x; 9.86/4.24 9.86/4.24 primMinusNat :: Main.Nat -> Main.Nat -> MyInt; 9.86/4.24 primMinusNat Main.Zero Main.Zero = Main.Pos Main.Zero; 9.86/4.24 primMinusNat Main.Zero (Main.Succ y) = Main.Neg (Main.Succ y); 9.86/4.24 primMinusNat (Main.Succ x) Main.Zero = Main.Pos (Main.Succ x); 9.86/4.24 primMinusNat (Main.Succ x) (Main.Succ y) = primMinusNat x y; 9.86/4.24 9.86/4.24 primPlusInt :: MyInt -> MyInt -> MyInt; 9.86/4.24 primPlusInt (Main.Pos x) (Main.Neg y) = primMinusNat x y; 9.86/4.24 primPlusInt (Main.Neg x) (Main.Pos y) = primMinusNat y x; 9.86/4.24 primPlusInt (Main.Neg x) (Main.Neg y) = Main.Neg (primPlusNat x y); 9.86/4.24 primPlusInt (Main.Pos x) (Main.Pos y) = Main.Pos (primPlusNat x y); 9.86/4.24 9.86/4.24 primPlusNat :: Main.Nat -> Main.Nat -> Main.Nat; 9.86/4.24 primPlusNat Main.Zero Main.Zero = Main.Zero; 9.86/4.24 primPlusNat Main.Zero (Main.Succ y) = Main.Succ y; 9.86/4.24 primPlusNat (Main.Succ x) Main.Zero = Main.Succ x; 9.86/4.24 primPlusNat (Main.Succ x) (Main.Succ y) = Main.Succ (Main.Succ (primPlusNat x y)); 9.86/4.24 9.86/4.24 psMyInt :: MyInt -> MyInt -> MyInt; 9.86/4.24 psMyInt = primPlusInt; 9.86/4.24 9.86/4.24 seq :: b -> a -> a; 9.86/4.24 seq x y = Main.enforceWHNF (Main.WHNF x) y; 9.86/4.24 9.86/4.24 sumMyInt :: List MyInt -> MyInt; 9.86/4.24 sumMyInt = foldl' psMyInt (fromIntMyInt (Main.Pos Main.Zero)); 9.86/4.24 9.86/4.24 } 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (1) BR (EQUIVALENT) 9.86/4.24 Replaced joker patterns by fresh variables and removed binding patterns. 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (2) 9.86/4.24 Obligation: 9.86/4.24 mainModule Main 9.86/4.24 module Main where { 9.86/4.24 import qualified Prelude; 9.86/4.24 data List a = Cons a (List a) | Nil ; 9.86/4.24 9.86/4.24 data MyInt = Pos Main.Nat | Neg Main.Nat ; 9.86/4.24 9.86/4.24 data Main.Nat = Succ Main.Nat | Zero ; 9.86/4.24 9.86/4.24 data Main.WHNF a = WHNF a ; 9.86/4.24 9.86/4.24 dsEm :: (b -> a) -> b -> a; 9.86/4.24 dsEm f x = Main.seq x (f x); 9.86/4.24 9.86/4.24 enforceWHNF :: Main.WHNF a -> b -> b; 9.86/4.24 enforceWHNF (Main.WHNF x) y = y; 9.86/4.24 9.86/4.24 foldl' :: (b -> a -> b) -> b -> List a -> b; 9.86/4.24 foldl' f a Nil = a; 9.86/4.24 foldl' f a (Cons x xs) = dsEm (foldl' f) (f a x) xs; 9.86/4.24 9.86/4.24 fromIntMyInt :: MyInt -> MyInt; 9.86/4.24 fromIntMyInt x = x; 9.86/4.24 9.86/4.24 primMinusNat :: Main.Nat -> Main.Nat -> MyInt; 9.86/4.24 primMinusNat Main.Zero Main.Zero = Main.Pos Main.Zero; 9.86/4.24 primMinusNat Main.Zero (Main.Succ y) = Main.Neg (Main.Succ y); 9.86/4.24 primMinusNat (Main.Succ x) Main.Zero = Main.Pos (Main.Succ x); 9.86/4.24 primMinusNat (Main.Succ x) (Main.Succ y) = primMinusNat x y; 9.86/4.24 9.86/4.24 primPlusInt :: MyInt -> MyInt -> MyInt; 9.86/4.24 primPlusInt (Main.Pos x) (Main.Neg y) = primMinusNat x y; 9.86/4.24 primPlusInt (Main.Neg x) (Main.Pos y) = primMinusNat y x; 9.86/4.24 primPlusInt (Main.Neg x) (Main.Neg y) = Main.Neg (primPlusNat x y); 9.86/4.24 primPlusInt (Main.Pos x) (Main.Pos y) = Main.Pos (primPlusNat x y); 9.86/4.24 9.86/4.24 primPlusNat :: Main.Nat -> Main.Nat -> Main.Nat; 9.86/4.24 primPlusNat Main.Zero Main.Zero = Main.Zero; 9.86/4.24 primPlusNat Main.Zero (Main.Succ y) = Main.Succ y; 9.86/4.24 primPlusNat (Main.Succ x) Main.Zero = Main.Succ x; 9.86/4.24 primPlusNat (Main.Succ x) (Main.Succ y) = Main.Succ (Main.Succ (primPlusNat x y)); 9.86/4.24 9.86/4.24 psMyInt :: MyInt -> MyInt -> MyInt; 9.86/4.24 psMyInt = primPlusInt; 9.86/4.24 9.86/4.24 seq :: a -> b -> b; 9.86/4.24 seq x y = Main.enforceWHNF (Main.WHNF x) y; 9.86/4.24 9.86/4.24 sumMyInt :: List MyInt -> MyInt; 9.86/4.24 sumMyInt = foldl' psMyInt (fromIntMyInt (Main.Pos Main.Zero)); 9.86/4.24 9.86/4.24 } 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (3) COR (EQUIVALENT) 9.86/4.24 Cond Reductions: 9.86/4.24 The following Function with conditions 9.86/4.24 "undefined |Falseundefined; 9.86/4.24 " 9.86/4.24 is transformed to 9.86/4.24 "undefined = undefined1; 9.86/4.24 " 9.86/4.24 "undefined0 True = undefined; 9.86/4.24 " 9.86/4.24 "undefined1 = undefined0 False; 9.86/4.24 " 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (4) 9.86/4.24 Obligation: 9.86/4.24 mainModule Main 9.86/4.24 module Main where { 9.86/4.24 import qualified Prelude; 9.86/4.24 data List a = Cons a (List a) | Nil ; 9.86/4.24 9.86/4.24 data MyInt = Pos Main.Nat | Neg Main.Nat ; 9.86/4.24 9.86/4.24 data Main.Nat = Succ Main.Nat | Zero ; 9.86/4.24 9.86/4.24 data Main.WHNF a = WHNF a ; 9.86/4.24 9.86/4.24 dsEm :: (a -> b) -> a -> b; 9.86/4.24 dsEm f x = Main.seq x (f x); 9.86/4.24 9.86/4.24 enforceWHNF :: Main.WHNF a -> b -> b; 9.86/4.24 enforceWHNF (Main.WHNF x) y = y; 9.86/4.24 9.86/4.24 foldl' :: (b -> a -> b) -> b -> List a -> b; 9.86/4.24 foldl' f a Nil = a; 9.86/4.24 foldl' f a (Cons x xs) = dsEm (foldl' f) (f a x) xs; 9.86/4.24 9.86/4.24 fromIntMyInt :: MyInt -> MyInt; 9.86/4.24 fromIntMyInt x = x; 9.86/4.24 9.86/4.24 primMinusNat :: Main.Nat -> Main.Nat -> MyInt; 9.86/4.24 primMinusNat Main.Zero Main.Zero = Main.Pos Main.Zero; 9.86/4.24 primMinusNat Main.Zero (Main.Succ y) = Main.Neg (Main.Succ y); 9.86/4.24 primMinusNat (Main.Succ x) Main.Zero = Main.Pos (Main.Succ x); 9.86/4.24 primMinusNat (Main.Succ x) (Main.Succ y) = primMinusNat x y; 9.86/4.24 9.86/4.24 primPlusInt :: MyInt -> MyInt -> MyInt; 9.86/4.24 primPlusInt (Main.Pos x) (Main.Neg y) = primMinusNat x y; 9.86/4.24 primPlusInt (Main.Neg x) (Main.Pos y) = primMinusNat y x; 9.86/4.24 primPlusInt (Main.Neg x) (Main.Neg y) = Main.Neg (primPlusNat x y); 9.86/4.24 primPlusInt (Main.Pos x) (Main.Pos y) = Main.Pos (primPlusNat x y); 9.86/4.24 9.86/4.24 primPlusNat :: Main.Nat -> Main.Nat -> Main.Nat; 9.86/4.24 primPlusNat Main.Zero Main.Zero = Main.Zero; 9.86/4.24 primPlusNat Main.Zero (Main.Succ y) = Main.Succ y; 9.86/4.24 primPlusNat (Main.Succ x) Main.Zero = Main.Succ x; 9.86/4.24 primPlusNat (Main.Succ x) (Main.Succ y) = Main.Succ (Main.Succ (primPlusNat x y)); 9.86/4.24 9.86/4.24 psMyInt :: MyInt -> MyInt -> MyInt; 9.86/4.24 psMyInt = primPlusInt; 9.86/4.24 9.86/4.24 seq :: b -> a -> a; 9.86/4.24 seq x y = Main.enforceWHNF (Main.WHNF x) y; 9.86/4.24 9.86/4.24 sumMyInt :: List MyInt -> MyInt; 9.86/4.24 sumMyInt = foldl' psMyInt (fromIntMyInt (Main.Pos Main.Zero)); 9.86/4.24 9.86/4.24 } 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (5) Narrow (SOUND) 9.86/4.24 Haskell To QDPs 9.86/4.24 9.86/4.24 digraph dp_graph { 9.86/4.24 node [outthreshold=100, inthreshold=100];1[label="sumMyInt",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 9.86/4.24 3[label="sumMyInt vx3",fontsize=16,color="black",shape="triangle"];3 -> 4[label="",style="solid", color="black", weight=3]; 9.86/4.24 4[label="foldl' psMyInt (fromIntMyInt (Pos Zero)) vx3",fontsize=16,color="burlywood",shape="box"];67[label="vx3/Cons vx30 vx31",fontsize=10,color="white",style="solid",shape="box"];4 -> 67[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 67 -> 5[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 68[label="vx3/Nil",fontsize=10,color="white",style="solid",shape="box"];4 -> 68[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 68 -> 6[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 5[label="foldl' psMyInt (fromIntMyInt (Pos Zero)) (Cons vx30 vx31)",fontsize=16,color="black",shape="box"];5 -> 7[label="",style="solid", color="black", weight=3]; 9.86/4.24 6[label="foldl' psMyInt (fromIntMyInt (Pos Zero)) Nil",fontsize=16,color="black",shape="box"];6 -> 8[label="",style="solid", color="black", weight=3]; 9.86/4.24 7[label="dsEm (foldl' psMyInt) (psMyInt (fromIntMyInt (Pos Zero)) vx30) vx31",fontsize=16,color="black",shape="box"];7 -> 9[label="",style="solid", color="black", weight=3]; 9.86/4.24 8[label="fromIntMyInt (Pos Zero)",fontsize=16,color="black",shape="triangle"];8 -> 10[label="",style="solid", color="black", weight=3]; 9.86/4.24 9 -> 11[label="",style="dashed", color="red", weight=0]; 9.86/4.24 9[label="seq (psMyInt (fromIntMyInt (Pos Zero)) vx30) (foldl' psMyInt (psMyInt (fromIntMyInt (Pos Zero)) vx30)) vx31",fontsize=16,color="magenta"];9 -> 12[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 9 -> 13[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 10[label="Pos Zero",fontsize=16,color="green",shape="box"];12 -> 8[label="",style="dashed", color="red", weight=0]; 9.86/4.24 12[label="fromIntMyInt (Pos Zero)",fontsize=16,color="magenta"];13 -> 8[label="",style="dashed", color="red", weight=0]; 9.86/4.24 13[label="fromIntMyInt (Pos Zero)",fontsize=16,color="magenta"];11[label="seq (psMyInt vx4 vx30) (foldl' psMyInt (psMyInt vx5 vx30)) vx31",fontsize=16,color="black",shape="triangle"];11 -> 14[label="",style="solid", color="black", weight=3]; 9.86/4.24 14[label="enforceWHNF (WHNF (psMyInt vx4 vx30)) (foldl' psMyInt (psMyInt vx5 vx30)) vx31",fontsize=16,color="black",shape="box"];14 -> 15[label="",style="solid", color="black", weight=3]; 9.86/4.24 15[label="foldl' psMyInt (psMyInt vx5 vx30) vx31",fontsize=16,color="burlywood",shape="box"];69[label="vx31/Cons vx310 vx311",fontsize=10,color="white",style="solid",shape="box"];15 -> 69[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 69 -> 16[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 70[label="vx31/Nil",fontsize=10,color="white",style="solid",shape="box"];15 -> 70[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 70 -> 17[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 16[label="foldl' psMyInt (psMyInt vx5 vx30) (Cons vx310 vx311)",fontsize=16,color="black",shape="box"];16 -> 18[label="",style="solid", color="black", weight=3]; 9.86/4.24 17[label="foldl' psMyInt (psMyInt vx5 vx30) Nil",fontsize=16,color="black",shape="box"];17 -> 19[label="",style="solid", color="black", weight=3]; 9.86/4.24 18[label="dsEm (foldl' psMyInt) (psMyInt (psMyInt vx5 vx30) vx310) vx311",fontsize=16,color="black",shape="box"];18 -> 20[label="",style="solid", color="black", weight=3]; 9.86/4.24 19[label="psMyInt vx5 vx30",fontsize=16,color="black",shape="triangle"];19 -> 21[label="",style="solid", color="black", weight=3]; 9.86/4.24 20 -> 11[label="",style="dashed", color="red", weight=0]; 9.86/4.24 20[label="seq (psMyInt (psMyInt vx5 vx30) vx310) (foldl' psMyInt (psMyInt (psMyInt vx5 vx30) vx310)) vx311",fontsize=16,color="magenta"];20 -> 22[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 20 -> 23[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 20 -> 24[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 20 -> 25[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 21[label="primPlusInt vx5 vx30",fontsize=16,color="burlywood",shape="box"];71[label="vx5/Pos vx50",fontsize=10,color="white",style="solid",shape="box"];21 -> 71[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 71 -> 26[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 72[label="vx5/Neg vx50",fontsize=10,color="white",style="solid",shape="box"];21 -> 72[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 72 -> 27[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 22 -> 19[label="",style="dashed", color="red", weight=0]; 9.86/4.24 22[label="psMyInt vx5 vx30",fontsize=16,color="magenta"];23[label="vx311",fontsize=16,color="green",shape="box"];24[label="vx310",fontsize=16,color="green",shape="box"];25 -> 19[label="",style="dashed", color="red", weight=0]; 9.86/4.24 25[label="psMyInt vx5 vx30",fontsize=16,color="magenta"];26[label="primPlusInt (Pos vx50) vx30",fontsize=16,color="burlywood",shape="box"];73[label="vx30/Pos vx300",fontsize=10,color="white",style="solid",shape="box"];26 -> 73[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 73 -> 28[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 74[label="vx30/Neg vx300",fontsize=10,color="white",style="solid",shape="box"];26 -> 74[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 74 -> 29[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 27[label="primPlusInt (Neg vx50) vx30",fontsize=16,color="burlywood",shape="box"];75[label="vx30/Pos vx300",fontsize=10,color="white",style="solid",shape="box"];27 -> 75[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 75 -> 30[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 76[label="vx30/Neg vx300",fontsize=10,color="white",style="solid",shape="box"];27 -> 76[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 76 -> 31[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 28[label="primPlusInt (Pos vx50) (Pos vx300)",fontsize=16,color="black",shape="box"];28 -> 32[label="",style="solid", color="black", weight=3]; 9.86/4.24 29[label="primPlusInt (Pos vx50) (Neg vx300)",fontsize=16,color="black",shape="box"];29 -> 33[label="",style="solid", color="black", weight=3]; 9.86/4.24 30[label="primPlusInt (Neg vx50) (Pos vx300)",fontsize=16,color="black",shape="box"];30 -> 34[label="",style="solid", color="black", weight=3]; 9.86/4.24 31[label="primPlusInt (Neg vx50) (Neg vx300)",fontsize=16,color="black",shape="box"];31 -> 35[label="",style="solid", color="black", weight=3]; 9.86/4.24 32[label="Pos (primPlusNat vx50 vx300)",fontsize=16,color="green",shape="box"];32 -> 36[label="",style="dashed", color="green", weight=3]; 9.86/4.24 33[label="primMinusNat vx50 vx300",fontsize=16,color="burlywood",shape="triangle"];77[label="vx50/Succ vx500",fontsize=10,color="white",style="solid",shape="box"];33 -> 77[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 77 -> 37[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 78[label="vx50/Zero",fontsize=10,color="white",style="solid",shape="box"];33 -> 78[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 78 -> 38[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 34 -> 33[label="",style="dashed", color="red", weight=0]; 9.86/4.24 34[label="primMinusNat vx300 vx50",fontsize=16,color="magenta"];34 -> 39[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 34 -> 40[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 35[label="Neg (primPlusNat vx50 vx300)",fontsize=16,color="green",shape="box"];35 -> 41[label="",style="dashed", color="green", weight=3]; 9.86/4.24 36[label="primPlusNat vx50 vx300",fontsize=16,color="burlywood",shape="triangle"];79[label="vx50/Succ vx500",fontsize=10,color="white",style="solid",shape="box"];36 -> 79[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 79 -> 42[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 80[label="vx50/Zero",fontsize=10,color="white",style="solid",shape="box"];36 -> 80[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 80 -> 43[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 37[label="primMinusNat (Succ vx500) vx300",fontsize=16,color="burlywood",shape="box"];81[label="vx300/Succ vx3000",fontsize=10,color="white",style="solid",shape="box"];37 -> 81[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 81 -> 44[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 82[label="vx300/Zero",fontsize=10,color="white",style="solid",shape="box"];37 -> 82[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 82 -> 45[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 38[label="primMinusNat Zero vx300",fontsize=16,color="burlywood",shape="box"];83[label="vx300/Succ vx3000",fontsize=10,color="white",style="solid",shape="box"];38 -> 83[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 83 -> 46[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 84[label="vx300/Zero",fontsize=10,color="white",style="solid",shape="box"];38 -> 84[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 84 -> 47[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 39[label="vx50",fontsize=16,color="green",shape="box"];40[label="vx300",fontsize=16,color="green",shape="box"];41 -> 36[label="",style="dashed", color="red", weight=0]; 9.86/4.24 41[label="primPlusNat vx50 vx300",fontsize=16,color="magenta"];41 -> 48[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 41 -> 49[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 42[label="primPlusNat (Succ vx500) vx300",fontsize=16,color="burlywood",shape="box"];85[label="vx300/Succ vx3000",fontsize=10,color="white",style="solid",shape="box"];42 -> 85[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 85 -> 50[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 86[label="vx300/Zero",fontsize=10,color="white",style="solid",shape="box"];42 -> 86[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 86 -> 51[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 43[label="primPlusNat Zero vx300",fontsize=16,color="burlywood",shape="box"];87[label="vx300/Succ vx3000",fontsize=10,color="white",style="solid",shape="box"];43 -> 87[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 87 -> 52[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 88[label="vx300/Zero",fontsize=10,color="white",style="solid",shape="box"];43 -> 88[label="",style="solid", color="burlywood", weight=9]; 9.86/4.24 88 -> 53[label="",style="solid", color="burlywood", weight=3]; 9.86/4.24 44[label="primMinusNat (Succ vx500) (Succ vx3000)",fontsize=16,color="black",shape="box"];44 -> 54[label="",style="solid", color="black", weight=3]; 9.86/4.24 45[label="primMinusNat (Succ vx500) Zero",fontsize=16,color="black",shape="box"];45 -> 55[label="",style="solid", color="black", weight=3]; 9.86/4.24 46[label="primMinusNat Zero (Succ vx3000)",fontsize=16,color="black",shape="box"];46 -> 56[label="",style="solid", color="black", weight=3]; 9.86/4.24 47[label="primMinusNat Zero Zero",fontsize=16,color="black",shape="box"];47 -> 57[label="",style="solid", color="black", weight=3]; 9.86/4.24 48[label="vx50",fontsize=16,color="green",shape="box"];49[label="vx300",fontsize=16,color="green",shape="box"];50[label="primPlusNat (Succ vx500) (Succ vx3000)",fontsize=16,color="black",shape="box"];50 -> 58[label="",style="solid", color="black", weight=3]; 9.86/4.24 51[label="primPlusNat (Succ vx500) Zero",fontsize=16,color="black",shape="box"];51 -> 59[label="",style="solid", color="black", weight=3]; 9.86/4.24 52[label="primPlusNat Zero (Succ vx3000)",fontsize=16,color="black",shape="box"];52 -> 60[label="",style="solid", color="black", weight=3]; 9.86/4.24 53[label="primPlusNat Zero Zero",fontsize=16,color="black",shape="box"];53 -> 61[label="",style="solid", color="black", weight=3]; 9.86/4.24 54 -> 33[label="",style="dashed", color="red", weight=0]; 9.86/4.24 54[label="primMinusNat vx500 vx3000",fontsize=16,color="magenta"];54 -> 62[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 54 -> 63[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 55[label="Pos (Succ vx500)",fontsize=16,color="green",shape="box"];56[label="Neg (Succ vx3000)",fontsize=16,color="green",shape="box"];57[label="Pos Zero",fontsize=16,color="green",shape="box"];58[label="Succ (Succ (primPlusNat vx500 vx3000))",fontsize=16,color="green",shape="box"];58 -> 64[label="",style="dashed", color="green", weight=3]; 9.86/4.24 59[label="Succ vx500",fontsize=16,color="green",shape="box"];60[label="Succ vx3000",fontsize=16,color="green",shape="box"];61[label="Zero",fontsize=16,color="green",shape="box"];62[label="vx3000",fontsize=16,color="green",shape="box"];63[label="vx500",fontsize=16,color="green",shape="box"];64 -> 36[label="",style="dashed", color="red", weight=0]; 9.86/4.24 64[label="primPlusNat vx500 vx3000",fontsize=16,color="magenta"];64 -> 65[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 64 -> 66[label="",style="dashed", color="magenta", weight=3]; 9.86/4.24 65[label="vx500",fontsize=16,color="green",shape="box"];66[label="vx3000",fontsize=16,color="green",shape="box"];} 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (6) 9.86/4.24 Complex Obligation (AND) 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (7) 9.86/4.24 Obligation: 9.86/4.24 Q DP problem: 9.86/4.24 The TRS P consists of the following rules: 9.86/4.24 9.86/4.24 new_primMinusNat(Main.Succ(vx500), Main.Succ(vx3000)) -> new_primMinusNat(vx500, vx3000) 9.86/4.24 9.86/4.24 R is empty. 9.86/4.24 Q is empty. 9.86/4.24 We have to consider all minimal (P,Q,R)-chains. 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (8) QDPSizeChangeProof (EQUIVALENT) 9.86/4.24 By using the subterm criterion [SUBTERM_CRITERION] together with the size-change analysis [AAECC05] we have proven that there are no infinite chains for this DP problem. 9.86/4.24 9.86/4.24 From the DPs we obtained the following set of size-change graphs: 9.86/4.24 *new_primMinusNat(Main.Succ(vx500), Main.Succ(vx3000)) -> new_primMinusNat(vx500, vx3000) 9.86/4.24 The graph contains the following edges 1 > 1, 2 > 2 9.86/4.24 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (9) 9.86/4.24 YES 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (10) 9.86/4.24 Obligation: 9.86/4.24 Q DP problem: 9.86/4.24 The TRS P consists of the following rules: 9.86/4.24 9.86/4.24 new_primPlusNat(Main.Succ(vx500), Main.Succ(vx3000)) -> new_primPlusNat(vx500, vx3000) 9.86/4.24 9.86/4.24 R is empty. 9.86/4.24 Q is empty. 9.86/4.24 We have to consider all minimal (P,Q,R)-chains. 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (11) QDPSizeChangeProof (EQUIVALENT) 9.86/4.24 By using the subterm criterion [SUBTERM_CRITERION] together with the size-change analysis [AAECC05] we have proven that there are no infinite chains for this DP problem. 9.86/4.24 9.86/4.24 From the DPs we obtained the following set of size-change graphs: 9.86/4.24 *new_primPlusNat(Main.Succ(vx500), Main.Succ(vx3000)) -> new_primPlusNat(vx500, vx3000) 9.86/4.24 The graph contains the following edges 1 > 1, 2 > 2 9.86/4.24 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (12) 9.86/4.24 YES 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (13) 9.86/4.24 Obligation: 9.86/4.24 Q DP problem: 9.86/4.24 The TRS P consists of the following rules: 9.86/4.24 9.86/4.24 new_seq(vx4, vx30, vx5, Cons(vx310, vx311)) -> new_seq(new_psMyInt(vx5, vx30), vx310, new_psMyInt(vx5, vx30), vx311) 9.86/4.24 9.86/4.24 The TRS R consists of the following rules: 9.86/4.24 9.86/4.24 new_primMinusNat0(Main.Zero, Main.Zero) -> Main.Pos(Main.Zero) 9.86/4.24 new_primMinusNat0(Main.Succ(vx500), Main.Succ(vx3000)) -> new_primMinusNat0(vx500, vx3000) 9.86/4.24 new_primPlusNat0(Main.Succ(vx500), Main.Succ(vx3000)) -> Main.Succ(Main.Succ(new_primPlusNat0(vx500, vx3000))) 9.86/4.24 new_primPlusNat0(Main.Zero, Main.Zero) -> Main.Zero 9.86/4.24 new_primMinusNat0(Main.Zero, Main.Succ(vx3000)) -> Main.Neg(Main.Succ(vx3000)) 9.86/4.24 new_primPlusNat0(Main.Succ(vx500), Main.Zero) -> Main.Succ(vx500) 9.86/4.24 new_primPlusNat0(Main.Zero, Main.Succ(vx3000)) -> Main.Succ(vx3000) 9.86/4.24 new_psMyInt(Main.Pos(vx50), Main.Neg(vx300)) -> new_primMinusNat0(vx50, vx300) 9.86/4.24 new_psMyInt(Main.Neg(vx50), Main.Pos(vx300)) -> new_primMinusNat0(vx300, vx50) 9.86/4.24 new_psMyInt(Main.Pos(vx50), Main.Pos(vx300)) -> Main.Pos(new_primPlusNat0(vx50, vx300)) 9.86/4.24 new_psMyInt(Main.Neg(vx50), Main.Neg(vx300)) -> Main.Neg(new_primPlusNat0(vx50, vx300)) 9.86/4.24 new_primMinusNat0(Main.Succ(vx500), Main.Zero) -> Main.Pos(Main.Succ(vx500)) 9.86/4.24 9.86/4.24 The set Q consists of the following terms: 9.86/4.24 9.86/4.24 new_primMinusNat0(Main.Succ(x0), Main.Succ(x1)) 9.86/4.24 new_psMyInt(Main.Neg(x0), Main.Neg(x1)) 9.86/4.24 new_primMinusNat0(Main.Succ(x0), Main.Zero) 9.86/4.24 new_primPlusNat0(Main.Zero, Main.Zero) 9.86/4.24 new_psMyInt(Main.Pos(x0), Main.Neg(x1)) 9.86/4.24 new_psMyInt(Main.Neg(x0), Main.Pos(x1)) 9.86/4.24 new_primMinusNat0(Main.Zero, Main.Zero) 9.86/4.24 new_primPlusNat0(Main.Zero, Main.Succ(x0)) 9.86/4.24 new_psMyInt(Main.Pos(x0), Main.Pos(x1)) 9.86/4.24 new_primPlusNat0(Main.Succ(x0), Main.Succ(x1)) 9.86/4.24 new_primMinusNat0(Main.Zero, Main.Succ(x0)) 9.86/4.24 new_primPlusNat0(Main.Succ(x0), Main.Zero) 9.86/4.24 9.86/4.24 We have to consider all minimal (P,Q,R)-chains. 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (14) QDPSizeChangeProof (EQUIVALENT) 9.86/4.24 By using the subterm criterion [SUBTERM_CRITERION] together with the size-change analysis [AAECC05] we have proven that there are no infinite chains for this DP problem. 9.86/4.24 9.86/4.24 From the DPs we obtained the following set of size-change graphs: 9.86/4.24 *new_seq(vx4, vx30, vx5, Cons(vx310, vx311)) -> new_seq(new_psMyInt(vx5, vx30), vx310, new_psMyInt(vx5, vx30), vx311) 9.86/4.24 The graph contains the following edges 4 > 2, 4 > 4 9.86/4.24 9.86/4.24 9.86/4.24 ---------------------------------------- 9.86/4.24 9.86/4.24 (15) 9.86/4.24 YES 9.99/4.29 EOF