7.94/3.66 YES 9.77/4.16 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 9.77/4.16 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.77/4.16 9.77/4.16 9.77/4.16 H-Termination with start terms of the given HASKELL could be proven: 9.77/4.16 9.77/4.16 (0) HASKELL 9.77/4.16 (1) BR [EQUIVALENT, 0 ms] 9.77/4.16 (2) HASKELL 9.77/4.16 (3) COR [EQUIVALENT, 0 ms] 9.77/4.16 (4) HASKELL 9.77/4.16 (5) Narrow [SOUND, 0 ms] 9.77/4.16 (6) QDP 9.77/4.16 (7) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.77/4.16 (8) YES 9.77/4.16 9.77/4.16 9.77/4.16 ---------------------------------------- 9.77/4.16 9.77/4.16 (0) 9.77/4.16 Obligation: 9.77/4.16 mainModule Main 9.77/4.16 module Main where { 9.77/4.16 import qualified Prelude; 9.77/4.16 data MyBool = MyTrue | MyFalse ; 9.77/4.16 9.77/4.16 data MyInt = Pos Main.Nat | Neg Main.Nat ; 9.77/4.16 9.77/4.16 data Main.Nat = Succ Main.Nat | Zero ; 9.77/4.16 9.77/4.16 esEsMyInt :: MyInt -> MyInt -> MyBool; 9.77/4.16 esEsMyInt = primEqInt; 9.77/4.16 9.77/4.16 primEqInt :: MyInt -> MyInt -> MyBool; 9.77/4.16 primEqInt (Main.Pos (Main.Succ x)) (Main.Pos (Main.Succ y)) = primEqNat x y; 9.77/4.16 primEqInt (Main.Neg (Main.Succ x)) (Main.Neg (Main.Succ y)) = primEqNat x y; 9.77/4.16 primEqInt (Main.Pos Main.Zero) (Main.Neg Main.Zero) = MyTrue; 9.77/4.16 primEqInt (Main.Neg Main.Zero) (Main.Pos Main.Zero) = MyTrue; 9.77/4.16 primEqInt (Main.Neg Main.Zero) (Main.Neg Main.Zero) = MyTrue; 9.77/4.16 primEqInt (Main.Pos Main.Zero) (Main.Pos Main.Zero) = MyTrue; 9.77/4.16 primEqInt vv vw = MyFalse; 9.77/4.16 9.77/4.16 primEqNat :: Main.Nat -> Main.Nat -> MyBool; 9.77/4.16 primEqNat Main.Zero Main.Zero = MyTrue; 9.77/4.16 primEqNat Main.Zero (Main.Succ y) = MyFalse; 9.77/4.16 primEqNat (Main.Succ x) Main.Zero = MyFalse; 9.77/4.16 primEqNat (Main.Succ x) (Main.Succ y) = primEqNat x y; 9.77/4.16 9.77/4.16 } 9.77/4.16 9.77/4.16 ---------------------------------------- 9.77/4.16 9.77/4.16 (1) BR (EQUIVALENT) 9.77/4.16 Replaced joker patterns by fresh variables and removed binding patterns. 9.77/4.16 ---------------------------------------- 9.77/4.16 9.77/4.16 (2) 9.77/4.16 Obligation: 9.77/4.16 mainModule Main 9.77/4.16 module Main where { 9.77/4.16 import qualified Prelude; 9.77/4.16 data MyBool = MyTrue | MyFalse ; 9.77/4.16 9.77/4.16 data MyInt = Pos Main.Nat | Neg Main.Nat ; 9.77/4.16 9.77/4.16 data Main.Nat = Succ Main.Nat | Zero ; 9.77/4.16 9.77/4.16 esEsMyInt :: MyInt -> MyInt -> MyBool; 9.77/4.16 esEsMyInt = primEqInt; 9.77/4.16 9.77/4.16 primEqInt :: MyInt -> MyInt -> MyBool; 9.77/4.16 primEqInt (Main.Pos (Main.Succ x)) (Main.Pos (Main.Succ y)) = primEqNat x y; 9.77/4.16 primEqInt (Main.Neg (Main.Succ x)) (Main.Neg (Main.Succ y)) = primEqNat x y; 9.77/4.16 primEqInt (Main.Pos Main.Zero) (Main.Neg Main.Zero) = MyTrue; 9.77/4.16 primEqInt (Main.Neg Main.Zero) (Main.Pos Main.Zero) = MyTrue; 9.77/4.16 primEqInt (Main.Neg Main.Zero) (Main.Neg Main.Zero) = MyTrue; 9.77/4.16 primEqInt (Main.Pos Main.Zero) (Main.Pos Main.Zero) = MyTrue; 9.77/4.16 primEqInt vv vw = MyFalse; 9.77/4.16 9.77/4.16 primEqNat :: Main.Nat -> Main.Nat -> MyBool; 9.77/4.16 primEqNat Main.Zero Main.Zero = MyTrue; 9.77/4.16 primEqNat Main.Zero (Main.Succ y) = MyFalse; 9.77/4.16 primEqNat (Main.Succ x) Main.Zero = MyFalse; 9.77/4.16 primEqNat (Main.Succ x) (Main.Succ y) = primEqNat x y; 9.77/4.16 9.77/4.16 } 9.77/4.16 9.77/4.16 ---------------------------------------- 9.77/4.16 9.77/4.16 (3) COR (EQUIVALENT) 9.77/4.16 Cond Reductions: 9.77/4.16 The following Function with conditions 9.77/4.16 "undefined |Falseundefined; 9.77/4.16 " 9.77/4.16 is transformed to 9.77/4.16 "undefined = undefined1; 9.77/4.16 " 9.77/4.16 "undefined0 True = undefined; 9.77/4.16 " 9.77/4.16 "undefined1 = undefined0 False; 9.77/4.16 " 9.77/4.16 9.77/4.16 ---------------------------------------- 9.77/4.16 9.77/4.16 (4) 9.77/4.16 Obligation: 9.77/4.16 mainModule Main 9.77/4.16 module Main where { 9.77/4.16 import qualified Prelude; 9.77/4.16 data MyBool = MyTrue | MyFalse ; 9.77/4.16 9.77/4.16 data MyInt = Pos Main.Nat | Neg Main.Nat ; 9.77/4.16 9.77/4.16 data Main.Nat = Succ Main.Nat | Zero ; 9.77/4.16 9.77/4.16 esEsMyInt :: MyInt -> MyInt -> MyBool; 9.77/4.16 esEsMyInt = primEqInt; 9.77/4.16 9.77/4.16 primEqInt :: MyInt -> MyInt -> MyBool; 9.77/4.16 primEqInt (Main.Pos (Main.Succ x)) (Main.Pos (Main.Succ y)) = primEqNat x y; 9.77/4.16 primEqInt (Main.Neg (Main.Succ x)) (Main.Neg (Main.Succ y)) = primEqNat x y; 9.77/4.16 primEqInt (Main.Pos Main.Zero) (Main.Neg Main.Zero) = MyTrue; 9.77/4.16 primEqInt (Main.Neg Main.Zero) (Main.Pos Main.Zero) = MyTrue; 9.77/4.16 primEqInt (Main.Neg Main.Zero) (Main.Neg Main.Zero) = MyTrue; 9.77/4.16 primEqInt (Main.Pos Main.Zero) (Main.Pos Main.Zero) = MyTrue; 9.77/4.16 primEqInt vv vw = MyFalse; 9.77/4.16 9.77/4.16 primEqNat :: Main.Nat -> Main.Nat -> MyBool; 9.77/4.16 primEqNat Main.Zero Main.Zero = MyTrue; 9.77/4.16 primEqNat Main.Zero (Main.Succ y) = MyFalse; 9.77/4.16 primEqNat (Main.Succ x) Main.Zero = MyFalse; 9.77/4.16 primEqNat (Main.Succ x) (Main.Succ y) = primEqNat x y; 9.77/4.16 9.77/4.16 } 9.77/4.16 9.77/4.16 ---------------------------------------- 9.77/4.16 9.77/4.16 (5) Narrow (SOUND) 9.77/4.16 Haskell To QDPs 9.77/4.16 9.77/4.16 digraph dp_graph { 9.77/4.16 node [outthreshold=100, inthreshold=100];1[label="esEsMyInt",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 9.77/4.16 3[label="esEsMyInt vz3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 9.77/4.16 4[label="esEsMyInt vz3 vz4",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 9.77/4.16 5[label="primEqInt vz3 vz4",fontsize=16,color="burlywood",shape="box"];60[label="vz3/Pos vz30",fontsize=10,color="white",style="solid",shape="box"];5 -> 60[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 60 -> 6[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 61[label="vz3/Neg vz30",fontsize=10,color="white",style="solid",shape="box"];5 -> 61[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 61 -> 7[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 6[label="primEqInt (Pos vz30) vz4",fontsize=16,color="burlywood",shape="box"];62[label="vz30/Succ vz300",fontsize=10,color="white",style="solid",shape="box"];6 -> 62[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 62 -> 8[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 63[label="vz30/Zero",fontsize=10,color="white",style="solid",shape="box"];6 -> 63[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 63 -> 9[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 7[label="primEqInt (Neg vz30) vz4",fontsize=16,color="burlywood",shape="box"];64[label="vz30/Succ vz300",fontsize=10,color="white",style="solid",shape="box"];7 -> 64[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 64 -> 10[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 65[label="vz30/Zero",fontsize=10,color="white",style="solid",shape="box"];7 -> 65[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 65 -> 11[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 8[label="primEqInt (Pos (Succ vz300)) vz4",fontsize=16,color="burlywood",shape="box"];66[label="vz4/Pos vz40",fontsize=10,color="white",style="solid",shape="box"];8 -> 66[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 66 -> 12[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 67[label="vz4/Neg vz40",fontsize=10,color="white",style="solid",shape="box"];8 -> 67[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 67 -> 13[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 9[label="primEqInt (Pos Zero) vz4",fontsize=16,color="burlywood",shape="box"];68[label="vz4/Pos vz40",fontsize=10,color="white",style="solid",shape="box"];9 -> 68[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 68 -> 14[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 69[label="vz4/Neg vz40",fontsize=10,color="white",style="solid",shape="box"];9 -> 69[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 69 -> 15[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 10[label="primEqInt (Neg (Succ vz300)) vz4",fontsize=16,color="burlywood",shape="box"];70[label="vz4/Pos vz40",fontsize=10,color="white",style="solid",shape="box"];10 -> 70[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 70 -> 16[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 71[label="vz4/Neg vz40",fontsize=10,color="white",style="solid",shape="box"];10 -> 71[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 71 -> 17[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 11[label="primEqInt (Neg Zero) vz4",fontsize=16,color="burlywood",shape="box"];72[label="vz4/Pos vz40",fontsize=10,color="white",style="solid",shape="box"];11 -> 72[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 72 -> 18[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 73[label="vz4/Neg vz40",fontsize=10,color="white",style="solid",shape="box"];11 -> 73[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 73 -> 19[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 12[label="primEqInt (Pos (Succ vz300)) (Pos vz40)",fontsize=16,color="burlywood",shape="box"];74[label="vz40/Succ vz400",fontsize=10,color="white",style="solid",shape="box"];12 -> 74[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 74 -> 20[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 75[label="vz40/Zero",fontsize=10,color="white",style="solid",shape="box"];12 -> 75[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 75 -> 21[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 13[label="primEqInt (Pos (Succ vz300)) (Neg vz40)",fontsize=16,color="black",shape="box"];13 -> 22[label="",style="solid", color="black", weight=3]; 9.77/4.16 14[label="primEqInt (Pos Zero) (Pos vz40)",fontsize=16,color="burlywood",shape="box"];76[label="vz40/Succ vz400",fontsize=10,color="white",style="solid",shape="box"];14 -> 76[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 76 -> 23[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 77[label="vz40/Zero",fontsize=10,color="white",style="solid",shape="box"];14 -> 77[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 77 -> 24[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 15[label="primEqInt (Pos Zero) (Neg vz40)",fontsize=16,color="burlywood",shape="box"];78[label="vz40/Succ vz400",fontsize=10,color="white",style="solid",shape="box"];15 -> 78[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 78 -> 25[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 79[label="vz40/Zero",fontsize=10,color="white",style="solid",shape="box"];15 -> 79[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 79 -> 26[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 16[label="primEqInt (Neg (Succ vz300)) (Pos vz40)",fontsize=16,color="black",shape="box"];16 -> 27[label="",style="solid", color="black", weight=3]; 9.77/4.16 17[label="primEqInt (Neg (Succ vz300)) (Neg vz40)",fontsize=16,color="burlywood",shape="box"];80[label="vz40/Succ vz400",fontsize=10,color="white",style="solid",shape="box"];17 -> 80[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 80 -> 28[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 81[label="vz40/Zero",fontsize=10,color="white",style="solid",shape="box"];17 -> 81[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 81 -> 29[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 18[label="primEqInt (Neg Zero) (Pos vz40)",fontsize=16,color="burlywood",shape="box"];82[label="vz40/Succ vz400",fontsize=10,color="white",style="solid",shape="box"];18 -> 82[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 82 -> 30[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 83[label="vz40/Zero",fontsize=10,color="white",style="solid",shape="box"];18 -> 83[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 83 -> 31[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 19[label="primEqInt (Neg Zero) (Neg vz40)",fontsize=16,color="burlywood",shape="box"];84[label="vz40/Succ vz400",fontsize=10,color="white",style="solid",shape="box"];19 -> 84[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 84 -> 32[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 85[label="vz40/Zero",fontsize=10,color="white",style="solid",shape="box"];19 -> 85[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 85 -> 33[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 20[label="primEqInt (Pos (Succ vz300)) (Pos (Succ vz400))",fontsize=16,color="black",shape="box"];20 -> 34[label="",style="solid", color="black", weight=3]; 9.77/4.16 21[label="primEqInt (Pos (Succ vz300)) (Pos Zero)",fontsize=16,color="black",shape="box"];21 -> 35[label="",style="solid", color="black", weight=3]; 9.77/4.16 22[label="MyFalse",fontsize=16,color="green",shape="box"];23[label="primEqInt (Pos Zero) (Pos (Succ vz400))",fontsize=16,color="black",shape="box"];23 -> 36[label="",style="solid", color="black", weight=3]; 9.77/4.16 24[label="primEqInt (Pos Zero) (Pos Zero)",fontsize=16,color="black",shape="box"];24 -> 37[label="",style="solid", color="black", weight=3]; 9.77/4.16 25[label="primEqInt (Pos Zero) (Neg (Succ vz400))",fontsize=16,color="black",shape="box"];25 -> 38[label="",style="solid", color="black", weight=3]; 9.77/4.16 26[label="primEqInt (Pos Zero) (Neg Zero)",fontsize=16,color="black",shape="box"];26 -> 39[label="",style="solid", color="black", weight=3]; 9.77/4.16 27[label="MyFalse",fontsize=16,color="green",shape="box"];28[label="primEqInt (Neg (Succ vz300)) (Neg (Succ vz400))",fontsize=16,color="black",shape="box"];28 -> 40[label="",style="solid", color="black", weight=3]; 9.77/4.16 29[label="primEqInt (Neg (Succ vz300)) (Neg Zero)",fontsize=16,color="black",shape="box"];29 -> 41[label="",style="solid", color="black", weight=3]; 9.77/4.16 30[label="primEqInt (Neg Zero) (Pos (Succ vz400))",fontsize=16,color="black",shape="box"];30 -> 42[label="",style="solid", color="black", weight=3]; 9.77/4.16 31[label="primEqInt (Neg Zero) (Pos Zero)",fontsize=16,color="black",shape="box"];31 -> 43[label="",style="solid", color="black", weight=3]; 9.77/4.16 32[label="primEqInt (Neg Zero) (Neg (Succ vz400))",fontsize=16,color="black",shape="box"];32 -> 44[label="",style="solid", color="black", weight=3]; 9.77/4.16 33[label="primEqInt (Neg Zero) (Neg Zero)",fontsize=16,color="black",shape="box"];33 -> 45[label="",style="solid", color="black", weight=3]; 9.77/4.16 34[label="primEqNat vz300 vz400",fontsize=16,color="burlywood",shape="triangle"];86[label="vz300/Succ vz3000",fontsize=10,color="white",style="solid",shape="box"];34 -> 86[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 86 -> 46[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 87[label="vz300/Zero",fontsize=10,color="white",style="solid",shape="box"];34 -> 87[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 87 -> 47[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 35[label="MyFalse",fontsize=16,color="green",shape="box"];36[label="MyFalse",fontsize=16,color="green",shape="box"];37[label="MyTrue",fontsize=16,color="green",shape="box"];38[label="MyFalse",fontsize=16,color="green",shape="box"];39[label="MyTrue",fontsize=16,color="green",shape="box"];40 -> 34[label="",style="dashed", color="red", weight=0]; 9.77/4.16 40[label="primEqNat vz300 vz400",fontsize=16,color="magenta"];40 -> 48[label="",style="dashed", color="magenta", weight=3]; 9.77/4.16 40 -> 49[label="",style="dashed", color="magenta", weight=3]; 9.77/4.16 41[label="MyFalse",fontsize=16,color="green",shape="box"];42[label="MyFalse",fontsize=16,color="green",shape="box"];43[label="MyTrue",fontsize=16,color="green",shape="box"];44[label="MyFalse",fontsize=16,color="green",shape="box"];45[label="MyTrue",fontsize=16,color="green",shape="box"];46[label="primEqNat (Succ vz3000) vz400",fontsize=16,color="burlywood",shape="box"];88[label="vz400/Succ vz4000",fontsize=10,color="white",style="solid",shape="box"];46 -> 88[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 88 -> 50[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 89[label="vz400/Zero",fontsize=10,color="white",style="solid",shape="box"];46 -> 89[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 89 -> 51[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 47[label="primEqNat Zero vz400",fontsize=16,color="burlywood",shape="box"];90[label="vz400/Succ vz4000",fontsize=10,color="white",style="solid",shape="box"];47 -> 90[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 90 -> 52[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 91[label="vz400/Zero",fontsize=10,color="white",style="solid",shape="box"];47 -> 91[label="",style="solid", color="burlywood", weight=9]; 9.77/4.16 91 -> 53[label="",style="solid", color="burlywood", weight=3]; 9.77/4.16 48[label="vz300",fontsize=16,color="green",shape="box"];49[label="vz400",fontsize=16,color="green",shape="box"];50[label="primEqNat (Succ vz3000) (Succ vz4000)",fontsize=16,color="black",shape="box"];50 -> 54[label="",style="solid", color="black", weight=3]; 9.77/4.16 51[label="primEqNat (Succ vz3000) Zero",fontsize=16,color="black",shape="box"];51 -> 55[label="",style="solid", color="black", weight=3]; 9.77/4.16 52[label="primEqNat Zero (Succ vz4000)",fontsize=16,color="black",shape="box"];52 -> 56[label="",style="solid", color="black", weight=3]; 9.77/4.16 53[label="primEqNat Zero Zero",fontsize=16,color="black",shape="box"];53 -> 57[label="",style="solid", color="black", weight=3]; 9.77/4.16 54 -> 34[label="",style="dashed", color="red", weight=0]; 9.77/4.16 54[label="primEqNat vz3000 vz4000",fontsize=16,color="magenta"];54 -> 58[label="",style="dashed", color="magenta", weight=3]; 9.77/4.16 54 -> 59[label="",style="dashed", color="magenta", weight=3]; 9.77/4.16 55[label="MyFalse",fontsize=16,color="green",shape="box"];56[label="MyFalse",fontsize=16,color="green",shape="box"];57[label="MyTrue",fontsize=16,color="green",shape="box"];58[label="vz3000",fontsize=16,color="green",shape="box"];59[label="vz4000",fontsize=16,color="green",shape="box"];} 9.77/4.16 9.77/4.16 ---------------------------------------- 9.77/4.16 9.77/4.16 (6) 9.77/4.16 Obligation: 9.77/4.16 Q DP problem: 9.77/4.16 The TRS P consists of the following rules: 9.77/4.16 9.77/4.16 new_primEqNat(Main.Succ(vz3000), Main.Succ(vz4000)) -> new_primEqNat(vz3000, vz4000) 9.77/4.16 9.77/4.16 R is empty. 9.77/4.16 Q is empty. 9.77/4.16 We have to consider all minimal (P,Q,R)-chains. 9.77/4.16 ---------------------------------------- 9.77/4.16 9.77/4.16 (7) QDPSizeChangeProof (EQUIVALENT) 9.77/4.16 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. 9.77/4.16 9.77/4.16 From the DPs we obtained the following set of size-change graphs: 9.77/4.16 *new_primEqNat(Main.Succ(vz3000), Main.Succ(vz4000)) -> new_primEqNat(vz3000, vz4000) 9.77/4.16 The graph contains the following edges 1 > 1, 2 > 2 9.77/4.16 9.77/4.16 9.77/4.16 ---------------------------------------- 9.77/4.16 9.77/4.16 (8) 9.77/4.16 YES 10.06/4.30 EOF