/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.hs /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- MAYBE proof of /export/starexec/sandbox/benchmark/theBenchmark.hs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty H-Termination with start terms of the given HASKELL could not be shown: (0) HASKELL (1) BR [EQUIVALENT, 0 ms] (2) HASKELL (3) COR [EQUIVALENT, 0 ms] (4) HASKELL (5) Narrow [SOUND, 0 ms] (6) AND (7) QDP (8) MRRProof [EQUIVALENT, 121 ms] (9) QDP (10) NonTerminationLoopProof [COMPLETE, 0 ms] (11) NO (12) QDP (13) QDPSizeChangeProof [EQUIVALENT, 0 ms] (14) YES (15) Narrow [COMPLETE, 0 ms] (16) TRUE ---------------------------------------- (0) Obligation: mainModule Main module Main where { import qualified Prelude; data Float = Float MyInt MyInt ; data List a = Cons a (List a) | Nil ; data MyInt = Pos Main.Nat | Neg Main.Nat ; data Main.Nat = Succ Main.Nat | Zero ; data Main.WHNF a = WHNF a ; dsEm :: (b -> a) -> b -> a; dsEm f x = Main.seq x (f x); enforceWHNF :: Main.WHNF a -> b -> b; enforceWHNF (Main.WHNF x) y = y; enumFromFloat :: Float -> List Float; enumFromFloat = numericEnumFrom; fromIntFloat :: MyInt -> Float; fromIntFloat = primIntToFloat; numericEnumFrom n = Cons n (dsEm numericEnumFrom (psFloat n (fromIntFloat (Main.Pos (Main.Succ Main.Zero))))); primIntToFloat :: MyInt -> Float; primIntToFloat x = Float x (Main.Pos (Main.Succ Main.Zero)); primMinusNat :: Main.Nat -> Main.Nat -> MyInt; primMinusNat Main.Zero Main.Zero = Main.Pos Main.Zero; primMinusNat Main.Zero (Main.Succ y) = Main.Neg (Main.Succ y); primMinusNat (Main.Succ x) Main.Zero = Main.Pos (Main.Succ x); primMinusNat (Main.Succ x) (Main.Succ y) = primMinusNat x y; primMulInt :: MyInt -> MyInt -> MyInt; primMulInt (Main.Pos x) (Main.Pos y) = Main.Pos (primMulNat x y); primMulInt (Main.Pos x) (Main.Neg y) = Main.Neg (primMulNat x y); primMulInt (Main.Neg x) (Main.Pos y) = Main.Neg (primMulNat x y); primMulInt (Main.Neg x) (Main.Neg y) = Main.Pos (primMulNat x y); primMulNat :: Main.Nat -> Main.Nat -> Main.Nat; primMulNat Main.Zero Main.Zero = Main.Zero; primMulNat Main.Zero (Main.Succ y) = Main.Zero; primMulNat (Main.Succ x) Main.Zero = Main.Zero; primMulNat (Main.Succ x) (Main.Succ y) = primPlusNat (primMulNat x (Main.Succ y)) (Main.Succ y); primPlusFloat :: Float -> Float -> Float; primPlusFloat (Float x1 x2) (Float y1 y2) = Float (psMyInt x1 y1) (srMyInt x2 y2); primPlusInt :: MyInt -> MyInt -> MyInt; primPlusInt (Main.Pos x) (Main.Neg y) = primMinusNat x y; primPlusInt (Main.Neg x) (Main.Pos y) = primMinusNat y x; primPlusInt (Main.Neg x) (Main.Neg y) = Main.Neg (primPlusNat x y); primPlusInt (Main.Pos x) (Main.Pos y) = Main.Pos (primPlusNat x y); primPlusNat :: Main.Nat -> Main.Nat -> Main.Nat; primPlusNat Main.Zero Main.Zero = Main.Zero; primPlusNat Main.Zero (Main.Succ y) = Main.Succ y; primPlusNat (Main.Succ x) Main.Zero = Main.Succ x; primPlusNat (Main.Succ x) (Main.Succ y) = Main.Succ (Main.Succ (primPlusNat x y)); psFloat :: Float -> Float -> Float; psFloat = primPlusFloat; psMyInt :: MyInt -> MyInt -> MyInt; psMyInt = primPlusInt; seq :: a -> b -> b; seq x y = Main.enforceWHNF (Main.WHNF x) y; srMyInt :: MyInt -> MyInt -> MyInt; srMyInt = primMulInt; } ---------------------------------------- (1) BR (EQUIVALENT) Replaced joker patterns by fresh variables and removed binding patterns. ---------------------------------------- (2) Obligation: mainModule Main module Main where { import qualified Prelude; data Float = Float MyInt MyInt ; data List a = Cons a (List a) | Nil ; data MyInt = Pos Main.Nat | Neg Main.Nat ; data Main.Nat = Succ Main.Nat | Zero ; data Main.WHNF a = WHNF a ; dsEm :: (a -> b) -> a -> b; dsEm f x = Main.seq x (f x); enforceWHNF :: Main.WHNF a -> b -> b; enforceWHNF (Main.WHNF x) y = y; enumFromFloat :: Float -> List Float; enumFromFloat = numericEnumFrom; fromIntFloat :: MyInt -> Float; fromIntFloat = primIntToFloat; numericEnumFrom n = Cons n (dsEm numericEnumFrom (psFloat n (fromIntFloat (Main.Pos (Main.Succ Main.Zero))))); primIntToFloat :: MyInt -> Float; primIntToFloat x = Float x (Main.Pos (Main.Succ Main.Zero)); primMinusNat :: Main.Nat -> Main.Nat -> MyInt; primMinusNat Main.Zero Main.Zero = Main.Pos Main.Zero; primMinusNat Main.Zero (Main.Succ y) = Main.Neg (Main.Succ y); primMinusNat (Main.Succ x) Main.Zero = Main.Pos (Main.Succ x); primMinusNat (Main.Succ x) (Main.Succ y) = primMinusNat x y; primMulInt :: MyInt -> MyInt -> MyInt; primMulInt (Main.Pos x) (Main.Pos y) = Main.Pos (primMulNat x y); primMulInt (Main.Pos x) (Main.Neg y) = Main.Neg (primMulNat x y); primMulInt (Main.Neg x) (Main.Pos y) = Main.Neg (primMulNat x y); primMulInt (Main.Neg x) (Main.Neg y) = Main.Pos (primMulNat x y); primMulNat :: Main.Nat -> Main.Nat -> Main.Nat; primMulNat Main.Zero Main.Zero = Main.Zero; primMulNat Main.Zero (Main.Succ y) = Main.Zero; primMulNat (Main.Succ x) Main.Zero = Main.Zero; primMulNat (Main.Succ x) (Main.Succ y) = primPlusNat (primMulNat x (Main.Succ y)) (Main.Succ y); primPlusFloat :: Float -> Float -> Float; primPlusFloat (Float x1 x2) (Float y1 y2) = Float (psMyInt x1 y1) (srMyInt x2 y2); primPlusInt :: MyInt -> MyInt -> MyInt; primPlusInt (Main.Pos x) (Main.Neg y) = primMinusNat x y; primPlusInt (Main.Neg x) (Main.Pos y) = primMinusNat y x; primPlusInt (Main.Neg x) (Main.Neg y) = Main.Neg (primPlusNat x y); primPlusInt (Main.Pos x) (Main.Pos y) = Main.Pos (primPlusNat x y); primPlusNat :: Main.Nat -> Main.Nat -> Main.Nat; primPlusNat Main.Zero Main.Zero = Main.Zero; primPlusNat Main.Zero (Main.Succ y) = Main.Succ y; primPlusNat (Main.Succ x) Main.Zero = Main.Succ x; primPlusNat (Main.Succ x) (Main.Succ y) = Main.Succ (Main.Succ (primPlusNat x y)); psFloat :: Float -> Float -> Float; psFloat = primPlusFloat; psMyInt :: MyInt -> MyInt -> MyInt; psMyInt = primPlusInt; seq :: a -> b -> b; seq x y = Main.enforceWHNF (Main.WHNF x) y; srMyInt :: MyInt -> MyInt -> MyInt; srMyInt = primMulInt; } ---------------------------------------- (3) COR (EQUIVALENT) Cond Reductions: The following Function with conditions "undefined |Falseundefined; " is transformed to "undefined = undefined1; " "undefined0 True = undefined; " "undefined1 = undefined0 False; " ---------------------------------------- (4) Obligation: mainModule Main module Main where { import qualified Prelude; data Float = Float MyInt MyInt ; data List a = Cons a (List a) | Nil ; data MyInt = Pos Main.Nat | Neg Main.Nat ; data Main.Nat = Succ Main.Nat | Zero ; data Main.WHNF a = WHNF a ; dsEm :: (a -> b) -> a -> b; dsEm f x = Main.seq x (f x); enforceWHNF :: Main.WHNF a -> b -> b; enforceWHNF (Main.WHNF x) y = y; enumFromFloat :: Float -> List Float; enumFromFloat = numericEnumFrom; fromIntFloat :: MyInt -> Float; fromIntFloat = primIntToFloat; numericEnumFrom n = Cons n (dsEm numericEnumFrom (psFloat n (fromIntFloat (Main.Pos (Main.Succ Main.Zero))))); primIntToFloat :: MyInt -> Float; primIntToFloat x = Float x (Main.Pos (Main.Succ Main.Zero)); primMinusNat :: Main.Nat -> Main.Nat -> MyInt; primMinusNat Main.Zero Main.Zero = Main.Pos Main.Zero; primMinusNat Main.Zero (Main.Succ y) = Main.Neg (Main.Succ y); primMinusNat (Main.Succ x) Main.Zero = Main.Pos (Main.Succ x); primMinusNat (Main.Succ x) (Main.Succ y) = primMinusNat x y; primMulInt :: MyInt -> MyInt -> MyInt; primMulInt (Main.Pos x) (Main.Pos y) = Main.Pos (primMulNat x y); primMulInt (Main.Pos x) (Main.Neg y) = Main.Neg (primMulNat x y); primMulInt (Main.Neg x) (Main.Pos y) = Main.Neg (primMulNat x y); primMulInt (Main.Neg x) (Main.Neg y) = Main.Pos (primMulNat x y); primMulNat :: Main.Nat -> Main.Nat -> Main.Nat; primMulNat Main.Zero Main.Zero = Main.Zero; primMulNat Main.Zero (Main.Succ y) = Main.Zero; primMulNat (Main.Succ x) Main.Zero = Main.Zero; primMulNat (Main.Succ x) (Main.Succ y) = primPlusNat (primMulNat x (Main.Succ y)) (Main.Succ y); primPlusFloat :: Float -> Float -> Float; primPlusFloat (Float x1 x2) (Float y1 y2) = Float (psMyInt x1 y1) (srMyInt x2 y2); primPlusInt :: MyInt -> MyInt -> MyInt; primPlusInt (Main.Pos x) (Main.Neg y) = primMinusNat x y; primPlusInt (Main.Neg x) (Main.Pos y) = primMinusNat y x; primPlusInt (Main.Neg x) (Main.Neg y) = Main.Neg (primPlusNat x y); primPlusInt (Main.Pos x) (Main.Pos y) = Main.Pos (primPlusNat x y); primPlusNat :: Main.Nat -> Main.Nat -> Main.Nat; primPlusNat Main.Zero Main.Zero = Main.Zero; primPlusNat Main.Zero (Main.Succ y) = Main.Succ y; primPlusNat (Main.Succ x) Main.Zero = Main.Succ x; primPlusNat (Main.Succ x) (Main.Succ y) = Main.Succ (Main.Succ (primPlusNat x y)); psFloat :: Float -> Float -> Float; psFloat = primPlusFloat; psMyInt :: MyInt -> MyInt -> MyInt; psMyInt = primPlusInt; seq :: a -> b -> b; seq x y = Main.enforceWHNF (Main.WHNF x) y; srMyInt :: MyInt -> MyInt -> MyInt; srMyInt = primMulInt; } ---------------------------------------- (5) Narrow (SOUND) Haskell To QDPs digraph dp_graph { node [outthreshold=100, inthreshold=100];1[label="enumFromFloat",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 3[label="enumFromFloat vx3",fontsize=16,color="black",shape="triangle"];3 -> 4[label="",style="solid", color="black", weight=3]; 4[label="numericEnumFrom vx3",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 5[label="Cons vx3 (dsEm numericEnumFrom (psFloat vx3 (fromIntFloat (Pos (Succ Zero)))))",fontsize=16,color="green",shape="box"];5 -> 6[label="",style="dashed", color="green", weight=3]; 6[label="dsEm numericEnumFrom (psFloat vx3 (fromIntFloat (Pos (Succ Zero))))",fontsize=16,color="black",shape="box"];6 -> 7[label="",style="solid", color="black", weight=3]; 7 -> 8[label="",style="dashed", color="red", weight=0]; 7[label="seq (psFloat vx3 (fromIntFloat (Pos (Succ Zero)))) (numericEnumFrom (psFloat vx3 (fromIntFloat (Pos (Succ Zero)))))",fontsize=16,color="magenta"];7 -> 9[label="",style="dashed", color="magenta", weight=3]; 9 -> 4[label="",style="dashed", color="red", weight=0]; 9[label="numericEnumFrom (psFloat vx3 (fromIntFloat (Pos (Succ Zero))))",fontsize=16,color="magenta"];9 -> 10[label="",style="dashed", color="magenta", weight=3]; 8[label="seq (psFloat vx3 (fromIntFloat (Pos (Succ Zero)))) vx4",fontsize=16,color="black",shape="triangle"];8 -> 11[label="",style="solid", color="black", weight=3]; 10[label="psFloat vx3 (fromIntFloat (Pos (Succ Zero)))",fontsize=16,color="black",shape="triangle"];10 -> 12[label="",style="solid", color="black", weight=3]; 11 -> 13[label="",style="dashed", color="red", weight=0]; 11[label="enforceWHNF (WHNF (psFloat vx3 (fromIntFloat (Pos (Succ Zero))))) vx4",fontsize=16,color="magenta"];11 -> 14[label="",style="dashed", color="magenta", weight=3]; 12[label="primPlusFloat vx3 (fromIntFloat (Pos (Succ Zero)))",fontsize=16,color="burlywood",shape="box"];59[label="vx3/Float vx30 vx31",fontsize=10,color="white",style="solid",shape="box"];12 -> 59[label="",style="solid", color="burlywood", weight=9]; 59 -> 15[label="",style="solid", color="burlywood", weight=3]; 14 -> 10[label="",style="dashed", color="red", weight=0]; 14[label="psFloat vx3 (fromIntFloat (Pos (Succ Zero)))",fontsize=16,color="magenta"];13[label="enforceWHNF (WHNF vx5) vx4",fontsize=16,color="black",shape="triangle"];13 -> 16[label="",style="solid", color="black", weight=3]; 15[label="primPlusFloat (Float vx30 vx31) (fromIntFloat (Pos (Succ Zero)))",fontsize=16,color="black",shape="box"];15 -> 17[label="",style="solid", color="black", weight=3]; 16[label="vx4",fontsize=16,color="green",shape="box"];17[label="primPlusFloat (Float vx30 vx31) (primIntToFloat (Pos (Succ Zero)))",fontsize=16,color="black",shape="box"];17 -> 18[label="",style="solid", color="black", weight=3]; 18[label="primPlusFloat (Float vx30 vx31) (Float (Pos (Succ Zero)) (Pos (Succ Zero)))",fontsize=16,color="black",shape="box"];18 -> 19[label="",style="solid", color="black", weight=3]; 19[label="Float (psMyInt vx30 (Pos (Succ Zero))) (srMyInt vx31 (Pos (Succ Zero)))",fontsize=16,color="green",shape="box"];19 -> 20[label="",style="dashed", color="green", weight=3]; 19 -> 21[label="",style="dashed", color="green", weight=3]; 20[label="psMyInt vx30 (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];20 -> 22[label="",style="solid", color="black", weight=3]; 21[label="srMyInt vx31 (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];21 -> 23[label="",style="solid", color="black", weight=3]; 22[label="primPlusInt vx30 (Pos (Succ Zero))",fontsize=16,color="burlywood",shape="box"];60[label="vx30/Pos vx300",fontsize=10,color="white",style="solid",shape="box"];22 -> 60[label="",style="solid", color="burlywood", weight=9]; 60 -> 24[label="",style="solid", color="burlywood", weight=3]; 61[label="vx30/Neg vx300",fontsize=10,color="white",style="solid",shape="box"];22 -> 61[label="",style="solid", color="burlywood", weight=9]; 61 -> 25[label="",style="solid", color="burlywood", weight=3]; 23[label="primMulInt vx31 (Pos (Succ Zero))",fontsize=16,color="burlywood",shape="box"];62[label="vx31/Pos vx310",fontsize=10,color="white",style="solid",shape="box"];23 -> 62[label="",style="solid", color="burlywood", weight=9]; 62 -> 26[label="",style="solid", color="burlywood", weight=3]; 63[label="vx31/Neg vx310",fontsize=10,color="white",style="solid",shape="box"];23 -> 63[label="",style="solid", color="burlywood", weight=9]; 63 -> 27[label="",style="solid", color="burlywood", weight=3]; 24[label="primPlusInt (Pos vx300) (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];24 -> 28[label="",style="solid", color="black", weight=3]; 25[label="primPlusInt (Neg vx300) (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];25 -> 29[label="",style="solid", color="black", weight=3]; 26[label="primMulInt (Pos vx310) (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];26 -> 30[label="",style="solid", color="black", weight=3]; 27[label="primMulInt (Neg vx310) (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];27 -> 31[label="",style="solid", color="black", weight=3]; 28[label="Pos (primPlusNat vx300 (Succ Zero))",fontsize=16,color="green",shape="box"];28 -> 32[label="",style="dashed", color="green", weight=3]; 29[label="primMinusNat (Succ Zero) vx300",fontsize=16,color="burlywood",shape="box"];64[label="vx300/Succ vx3000",fontsize=10,color="white",style="solid",shape="box"];29 -> 64[label="",style="solid", color="burlywood", weight=9]; 64 -> 33[label="",style="solid", color="burlywood", weight=3]; 65[label="vx300/Zero",fontsize=10,color="white",style="solid",shape="box"];29 -> 65[label="",style="solid", color="burlywood", weight=9]; 65 -> 34[label="",style="solid", color="burlywood", weight=3]; 30[label="Pos (primMulNat vx310 (Succ Zero))",fontsize=16,color="green",shape="box"];30 -> 35[label="",style="dashed", color="green", weight=3]; 31[label="Neg (primMulNat vx310 (Succ Zero))",fontsize=16,color="green",shape="box"];31 -> 36[label="",style="dashed", color="green", weight=3]; 32[label="primPlusNat vx300 (Succ Zero)",fontsize=16,color="burlywood",shape="triangle"];66[label="vx300/Succ vx3000",fontsize=10,color="white",style="solid",shape="box"];32 -> 66[label="",style="solid", color="burlywood", weight=9]; 66 -> 37[label="",style="solid", color="burlywood", weight=3]; 67[label="vx300/Zero",fontsize=10,color="white",style="solid",shape="box"];32 -> 67[label="",style="solid", color="burlywood", weight=9]; 67 -> 38[label="",style="solid", color="burlywood", weight=3]; 33[label="primMinusNat (Succ Zero) (Succ vx3000)",fontsize=16,color="black",shape="box"];33 -> 39[label="",style="solid", color="black", weight=3]; 34[label="primMinusNat (Succ Zero) Zero",fontsize=16,color="black",shape="box"];34 -> 40[label="",style="solid", color="black", weight=3]; 35[label="primMulNat vx310 (Succ Zero)",fontsize=16,color="burlywood",shape="triangle"];68[label="vx310/Succ vx3100",fontsize=10,color="white",style="solid",shape="box"];35 -> 68[label="",style="solid", color="burlywood", weight=9]; 68 -> 41[label="",style="solid", color="burlywood", weight=3]; 69[label="vx310/Zero",fontsize=10,color="white",style="solid",shape="box"];35 -> 69[label="",style="solid", color="burlywood", weight=9]; 69 -> 42[label="",style="solid", color="burlywood", weight=3]; 36 -> 35[label="",style="dashed", color="red", weight=0]; 36[label="primMulNat vx310 (Succ Zero)",fontsize=16,color="magenta"];36 -> 43[label="",style="dashed", color="magenta", weight=3]; 37[label="primPlusNat (Succ vx3000) (Succ Zero)",fontsize=16,color="black",shape="box"];37 -> 44[label="",style="solid", color="black", weight=3]; 38[label="primPlusNat Zero (Succ Zero)",fontsize=16,color="black",shape="box"];38 -> 45[label="",style="solid", color="black", weight=3]; 39[label="primMinusNat Zero vx3000",fontsize=16,color="burlywood",shape="box"];70[label="vx3000/Succ vx30000",fontsize=10,color="white",style="solid",shape="box"];39 -> 70[label="",style="solid", color="burlywood", weight=9]; 70 -> 46[label="",style="solid", color="burlywood", weight=3]; 71[label="vx3000/Zero",fontsize=10,color="white",style="solid",shape="box"];39 -> 71[label="",style="solid", color="burlywood", weight=9]; 71 -> 47[label="",style="solid", color="burlywood", weight=3]; 40[label="Pos (Succ Zero)",fontsize=16,color="green",shape="box"];41[label="primMulNat (Succ vx3100) (Succ Zero)",fontsize=16,color="black",shape="box"];41 -> 48[label="",style="solid", color="black", weight=3]; 42[label="primMulNat Zero (Succ Zero)",fontsize=16,color="black",shape="box"];42 -> 49[label="",style="solid", color="black", weight=3]; 43[label="vx310",fontsize=16,color="green",shape="box"];44[label="Succ (Succ (primPlusNat vx3000 Zero))",fontsize=16,color="green",shape="box"];44 -> 50[label="",style="dashed", color="green", weight=3]; 45[label="Succ Zero",fontsize=16,color="green",shape="box"];46[label="primMinusNat Zero (Succ vx30000)",fontsize=16,color="black",shape="box"];46 -> 51[label="",style="solid", color="black", weight=3]; 47[label="primMinusNat Zero Zero",fontsize=16,color="black",shape="box"];47 -> 52[label="",style="solid", color="black", weight=3]; 48 -> 32[label="",style="dashed", color="red", weight=0]; 48[label="primPlusNat (primMulNat vx3100 (Succ Zero)) (Succ Zero)",fontsize=16,color="magenta"];48 -> 53[label="",style="dashed", color="magenta", weight=3]; 49[label="Zero",fontsize=16,color="green",shape="box"];50[label="primPlusNat vx3000 Zero",fontsize=16,color="burlywood",shape="box"];72[label="vx3000/Succ vx30000",fontsize=10,color="white",style="solid",shape="box"];50 -> 72[label="",style="solid", color="burlywood", weight=9]; 72 -> 54[label="",style="solid", color="burlywood", weight=3]; 73[label="vx3000/Zero",fontsize=10,color="white",style="solid",shape="box"];50 -> 73[label="",style="solid", color="burlywood", weight=9]; 73 -> 55[label="",style="solid", color="burlywood", weight=3]; 51[label="Neg (Succ vx30000)",fontsize=16,color="green",shape="box"];52[label="Pos Zero",fontsize=16,color="green",shape="box"];53 -> 35[label="",style="dashed", color="red", weight=0]; 53[label="primMulNat vx3100 (Succ Zero)",fontsize=16,color="magenta"];53 -> 56[label="",style="dashed", color="magenta", weight=3]; 54[label="primPlusNat (Succ vx30000) Zero",fontsize=16,color="black",shape="box"];54 -> 57[label="",style="solid", color="black", weight=3]; 55[label="primPlusNat Zero Zero",fontsize=16,color="black",shape="box"];55 -> 58[label="",style="solid", color="black", weight=3]; 56[label="vx3100",fontsize=16,color="green",shape="box"];57[label="Succ vx30000",fontsize=16,color="green",shape="box"];58[label="Zero",fontsize=16,color="green",shape="box"];} ---------------------------------------- (6) Complex Obligation (AND) ---------------------------------------- (7) Obligation: Q DP problem: The TRS P consists of the following rules: new_numericEnumFrom(vx3) -> new_numericEnumFrom(new_psFloat(vx3)) The TRS R consists of the following rules: new_primPlusInt(Main.Neg(Main.Succ(Main.Zero))) -> Main.Pos(Main.Zero) new_primPlusInt(Main.Neg(Main.Zero)) -> Main.Pos(Main.Succ(Main.Zero)) new_primMulInt(Main.Pos(vx310)) -> Main.Pos(new_primMulNat0(vx310)) new_primPlusNat(Main.Zero) -> Main.Succ(Main.Zero) new_primPlusNat(Main.Succ(vx3000)) -> Main.Succ(Main.Succ(new_primPlusNat0(vx3000))) new_psFloat(Float(vx30, vx31)) -> Float(new_primPlusInt(vx30), new_primMulInt(vx31)) new_primPlusInt(Main.Pos(vx300)) -> Main.Pos(new_primPlusNat(vx300)) new_primPlusInt(Main.Neg(Main.Succ(Main.Succ(vx30000)))) -> Main.Neg(Main.Succ(vx30000)) new_primMulInt(Main.Neg(vx310)) -> Main.Neg(new_primMulNat0(vx310)) new_primMulNat0(Main.Zero) -> Main.Zero new_primPlusNat0(Main.Succ(vx30000)) -> Main.Succ(vx30000) new_primMulNat0(Main.Succ(vx3100)) -> new_primPlusNat(new_primMulNat0(vx3100)) new_primPlusNat0(Main.Zero) -> Main.Zero The set Q consists of the following terms: new_primPlusNat0(Main.Zero) new_primPlusNat0(Main.Succ(x0)) new_primMulNat0(Main.Succ(x0)) new_primPlusInt(Main.Pos(x0)) new_primPlusNat(Main.Succ(x0)) new_psFloat(Float(x0, x1)) new_primPlusNat(Main.Zero) new_primPlusInt(Main.Neg(Main.Zero)) new_primPlusInt(Main.Neg(Main.Succ(Main.Zero))) new_primMulNat0(Main.Zero) new_primPlusInt(Main.Neg(Main.Succ(Main.Succ(x0)))) new_primMulInt(Main.Neg(x0)) new_primMulInt(Main.Pos(x0)) We have to consider all minimal (P,Q,R)-chains. ---------------------------------------- (8) MRRProof (EQUIVALENT) By using the rule removal processor [LPAR04] with the following ordering, at least one Dependency Pair or term rewrite system rule of this QDP problem can be strictly oriented. Strictly oriented rules of the TRS R: new_primPlusInt(Main.Neg(Main.Succ(Main.Zero))) -> Main.Pos(Main.Zero) new_primPlusInt(Main.Neg(Main.Zero)) -> Main.Pos(Main.Succ(Main.Zero)) Used ordering: Polynomial interpretation [POLO]: POL(Float(x_1, x_2)) = 1 + x_1 + x_2 POL(Main.Neg(x_1)) = 2*x_1 POL(Main.Pos(x_1)) = x_1 POL(Main.Succ(x_1)) = x_1 POL(Main.Zero) = 2 POL(new_numericEnumFrom(x_1)) = x_1 POL(new_primMulInt(x_1)) = x_1 POL(new_primMulNat0(x_1)) = x_1 POL(new_primPlusInt(x_1)) = x_1 POL(new_primPlusNat(x_1)) = x_1 POL(new_primPlusNat0(x_1)) = x_1 POL(new_psFloat(x_1)) = x_1 ---------------------------------------- (9) Obligation: Q DP problem: The TRS P consists of the following rules: new_numericEnumFrom(vx3) -> new_numericEnumFrom(new_psFloat(vx3)) The TRS R consists of the following rules: new_primMulInt(Main.Pos(vx310)) -> Main.Pos(new_primMulNat0(vx310)) new_primPlusNat(Main.Zero) -> Main.Succ(Main.Zero) new_primPlusNat(Main.Succ(vx3000)) -> Main.Succ(Main.Succ(new_primPlusNat0(vx3000))) new_psFloat(Float(vx30, vx31)) -> Float(new_primPlusInt(vx30), new_primMulInt(vx31)) new_primPlusInt(Main.Pos(vx300)) -> Main.Pos(new_primPlusNat(vx300)) new_primPlusInt(Main.Neg(Main.Succ(Main.Succ(vx30000)))) -> Main.Neg(Main.Succ(vx30000)) new_primMulInt(Main.Neg(vx310)) -> Main.Neg(new_primMulNat0(vx310)) new_primMulNat0(Main.Zero) -> Main.Zero new_primPlusNat0(Main.Succ(vx30000)) -> Main.Succ(vx30000) new_primMulNat0(Main.Succ(vx3100)) -> new_primPlusNat(new_primMulNat0(vx3100)) new_primPlusNat0(Main.Zero) -> Main.Zero The set Q consists of the following terms: new_primPlusNat0(Main.Zero) new_primPlusNat0(Main.Succ(x0)) new_primMulNat0(Main.Succ(x0)) new_primPlusInt(Main.Pos(x0)) new_primPlusNat(Main.Succ(x0)) new_psFloat(Float(x0, x1)) new_primPlusNat(Main.Zero) new_primPlusInt(Main.Neg(Main.Zero)) new_primPlusInt(Main.Neg(Main.Succ(Main.Zero))) new_primMulNat0(Main.Zero) new_primPlusInt(Main.Neg(Main.Succ(Main.Succ(x0)))) new_primMulInt(Main.Neg(x0)) new_primMulInt(Main.Pos(x0)) We have to consider all minimal (P,Q,R)-chains. ---------------------------------------- (10) NonTerminationLoopProof (COMPLETE) We used the non-termination processor [FROCOS05] to show that the DP problem is infinite. Found a loop by semiunifying a rule from P directly. s = new_numericEnumFrom(vx3) evaluates to t =new_numericEnumFrom(new_psFloat(vx3)) Thus s starts an infinite chain as s semiunifies with t with the following substitutions: * Matcher: [vx3 / new_psFloat(vx3)] * Semiunifier: [ ] -------------------------------------------------------------------------------- Rewriting sequence The DP semiunifies directly so there is only one rewrite step from new_numericEnumFrom(vx3) to new_numericEnumFrom(new_psFloat(vx3)). ---------------------------------------- (11) NO ---------------------------------------- (12) Obligation: Q DP problem: The TRS P consists of the following rules: new_primMulNat(Main.Succ(vx3100)) -> new_primMulNat(vx3100) R is empty. Q is empty. We have to consider all minimal (P,Q,R)-chains. ---------------------------------------- (13) QDPSizeChangeProof (EQUIVALENT) 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. From the DPs we obtained the following set of size-change graphs: *new_primMulNat(Main.Succ(vx3100)) -> new_primMulNat(vx3100) The graph contains the following edges 1 > 1 ---------------------------------------- (14) YES ---------------------------------------- (15) Narrow (COMPLETE) Haskell To QDPs digraph dp_graph { node [outthreshold=100, inthreshold=100];1[label="enumFromFloat",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 3[label="enumFromFloat vx3",fontsize=16,color="black",shape="triangle"];3 -> 4[label="",style="solid", color="black", weight=3]; 4[label="numericEnumFrom vx3",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 5[label="Cons vx3 (dsEm numericEnumFrom (psFloat vx3 (fromIntFloat (Pos (Succ Zero)))))",fontsize=16,color="green",shape="box"];5 -> 6[label="",style="dashed", color="green", weight=3]; 6[label="dsEm numericEnumFrom (psFloat vx3 (fromIntFloat (Pos (Succ Zero))))",fontsize=16,color="black",shape="box"];6 -> 7[label="",style="solid", color="black", weight=3]; 7 -> 8[label="",style="dashed", color="red", weight=0]; 7[label="seq (psFloat vx3 (fromIntFloat (Pos (Succ Zero)))) (numericEnumFrom (psFloat vx3 (fromIntFloat (Pos (Succ Zero)))))",fontsize=16,color="magenta"];7 -> 9[label="",style="dashed", color="magenta", weight=3]; 9 -> 4[label="",style="dashed", color="red", weight=0]; 9[label="numericEnumFrom (psFloat vx3 (fromIntFloat (Pos (Succ Zero))))",fontsize=16,color="magenta"];9 -> 10[label="",style="dashed", color="magenta", weight=3]; 8[label="seq (psFloat vx3 (fromIntFloat (Pos (Succ Zero)))) vx4",fontsize=16,color="black",shape="triangle"];8 -> 11[label="",style="solid", color="black", weight=3]; 10[label="psFloat vx3 (fromIntFloat (Pos (Succ Zero)))",fontsize=16,color="black",shape="triangle"];10 -> 12[label="",style="solid", color="black", weight=3]; 11 -> 13[label="",style="dashed", color="red", weight=0]; 11[label="enforceWHNF (WHNF (psFloat vx3 (fromIntFloat (Pos (Succ Zero))))) vx4",fontsize=16,color="magenta"];11 -> 14[label="",style="dashed", color="magenta", weight=3]; 12[label="primPlusFloat vx3 (fromIntFloat (Pos (Succ Zero)))",fontsize=16,color="burlywood",shape="box"];59[label="vx3/Float vx30 vx31",fontsize=10,color="white",style="solid",shape="box"];12 -> 59[label="",style="solid", color="burlywood", weight=9]; 59 -> 15[label="",style="solid", color="burlywood", weight=3]; 14 -> 10[label="",style="dashed", color="red", weight=0]; 14[label="psFloat vx3 (fromIntFloat (Pos (Succ Zero)))",fontsize=16,color="magenta"];13[label="enforceWHNF (WHNF vx5) vx4",fontsize=16,color="black",shape="triangle"];13 -> 16[label="",style="solid", color="black", weight=3]; 15[label="primPlusFloat (Float vx30 vx31) (fromIntFloat (Pos (Succ Zero)))",fontsize=16,color="black",shape="box"];15 -> 17[label="",style="solid", color="black", weight=3]; 16[label="vx4",fontsize=16,color="green",shape="box"];17[label="primPlusFloat (Float vx30 vx31) (primIntToFloat (Pos (Succ Zero)))",fontsize=16,color="black",shape="box"];17 -> 18[label="",style="solid", color="black", weight=3]; 18[label="primPlusFloat (Float vx30 vx31) (Float (Pos (Succ Zero)) (Pos (Succ Zero)))",fontsize=16,color="black",shape="box"];18 -> 19[label="",style="solid", color="black", weight=3]; 19[label="Float (psMyInt vx30 (Pos (Succ Zero))) (srMyInt vx31 (Pos (Succ Zero)))",fontsize=16,color="green",shape="box"];19 -> 20[label="",style="dashed", color="green", weight=3]; 19 -> 21[label="",style="dashed", color="green", weight=3]; 20[label="psMyInt vx30 (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];20 -> 22[label="",style="solid", color="black", weight=3]; 21[label="srMyInt vx31 (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];21 -> 23[label="",style="solid", color="black", weight=3]; 22[label="primPlusInt vx30 (Pos (Succ Zero))",fontsize=16,color="burlywood",shape="box"];60[label="vx30/Pos vx300",fontsize=10,color="white",style="solid",shape="box"];22 -> 60[label="",style="solid", color="burlywood", weight=9]; 60 -> 24[label="",style="solid", color="burlywood", weight=3]; 61[label="vx30/Neg vx300",fontsize=10,color="white",style="solid",shape="box"];22 -> 61[label="",style="solid", color="burlywood", weight=9]; 61 -> 25[label="",style="solid", color="burlywood", weight=3]; 23[label="primMulInt vx31 (Pos (Succ Zero))",fontsize=16,color="burlywood",shape="box"];62[label="vx31/Pos vx310",fontsize=10,color="white",style="solid",shape="box"];23 -> 62[label="",style="solid", color="burlywood", weight=9]; 62 -> 26[label="",style="solid", color="burlywood", weight=3]; 63[label="vx31/Neg vx310",fontsize=10,color="white",style="solid",shape="box"];23 -> 63[label="",style="solid", color="burlywood", weight=9]; 63 -> 27[label="",style="solid", color="burlywood", weight=3]; 24[label="primPlusInt (Pos vx300) (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];24 -> 28[label="",style="solid", color="black", weight=3]; 25[label="primPlusInt (Neg vx300) (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];25 -> 29[label="",style="solid", color="black", weight=3]; 26[label="primMulInt (Pos vx310) (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];26 -> 30[label="",style="solid", color="black", weight=3]; 27[label="primMulInt (Neg vx310) (Pos (Succ Zero))",fontsize=16,color="black",shape="box"];27 -> 31[label="",style="solid", color="black", weight=3]; 28[label="Pos (primPlusNat vx300 (Succ Zero))",fontsize=16,color="green",shape="box"];28 -> 32[label="",style="dashed", color="green", weight=3]; 29[label="primMinusNat (Succ Zero) vx300",fontsize=16,color="burlywood",shape="box"];64[label="vx300/Succ vx3000",fontsize=10,color="white",style="solid",shape="box"];29 -> 64[label="",style="solid", color="burlywood", weight=9]; 64 -> 33[label="",style="solid", color="burlywood", weight=3]; 65[label="vx300/Zero",fontsize=10,color="white",style="solid",shape="box"];29 -> 65[label="",style="solid", color="burlywood", weight=9]; 65 -> 34[label="",style="solid", color="burlywood", weight=3]; 30[label="Pos (primMulNat vx310 (Succ Zero))",fontsize=16,color="green",shape="box"];30 -> 35[label="",style="dashed", color="green", weight=3]; 31[label="Neg (primMulNat vx310 (Succ Zero))",fontsize=16,color="green",shape="box"];31 -> 36[label="",style="dashed", color="green", weight=3]; 32[label="primPlusNat vx300 (Succ Zero)",fontsize=16,color="burlywood",shape="triangle"];66[label="vx300/Succ vx3000",fontsize=10,color="white",style="solid",shape="box"];32 -> 66[label="",style="solid", color="burlywood", weight=9]; 66 -> 37[label="",style="solid", color="burlywood", weight=3]; 67[label="vx300/Zero",fontsize=10,color="white",style="solid",shape="box"];32 -> 67[label="",style="solid", color="burlywood", weight=9]; 67 -> 38[label="",style="solid", color="burlywood", weight=3]; 33[label="primMinusNat (Succ Zero) (Succ vx3000)",fontsize=16,color="black",shape="box"];33 -> 39[label="",style="solid", color="black", weight=3]; 34[label="primMinusNat (Succ Zero) Zero",fontsize=16,color="black",shape="box"];34 -> 40[label="",style="solid", color="black", weight=3]; 35[label="primMulNat vx310 (Succ Zero)",fontsize=16,color="burlywood",shape="triangle"];68[label="vx310/Succ vx3100",fontsize=10,color="white",style="solid",shape="box"];35 -> 68[label="",style="solid", color="burlywood", weight=9]; 68 -> 41[label="",style="solid", color="burlywood", weight=3]; 69[label="vx310/Zero",fontsize=10,color="white",style="solid",shape="box"];35 -> 69[label="",style="solid", color="burlywood", weight=9]; 69 -> 42[label="",style="solid", color="burlywood", weight=3]; 36 -> 35[label="",style="dashed", color="red", weight=0]; 36[label="primMulNat vx310 (Succ Zero)",fontsize=16,color="magenta"];36 -> 43[label="",style="dashed", color="magenta", weight=3]; 37[label="primPlusNat (Succ vx3000) (Succ Zero)",fontsize=16,color="black",shape="box"];37 -> 44[label="",style="solid", color="black", weight=3]; 38[label="primPlusNat Zero (Succ Zero)",fontsize=16,color="black",shape="box"];38 -> 45[label="",style="solid", color="black", weight=3]; 39[label="primMinusNat Zero vx3000",fontsize=16,color="burlywood",shape="box"];70[label="vx3000/Succ vx30000",fontsize=10,color="white",style="solid",shape="box"];39 -> 70[label="",style="solid", color="burlywood", weight=9]; 70 -> 46[label="",style="solid", color="burlywood", weight=3]; 71[label="vx3000/Zero",fontsize=10,color="white",style="solid",shape="box"];39 -> 71[label="",style="solid", color="burlywood", weight=9]; 71 -> 47[label="",style="solid", color="burlywood", weight=3]; 40[label="Pos (Succ Zero)",fontsize=16,color="green",shape="box"];41[label="primMulNat (Succ vx3100) (Succ Zero)",fontsize=16,color="black",shape="box"];41 -> 48[label="",style="solid", color="black", weight=3]; 42[label="primMulNat Zero (Succ Zero)",fontsize=16,color="black",shape="box"];42 -> 49[label="",style="solid", color="black", weight=3]; 43[label="vx310",fontsize=16,color="green",shape="box"];44[label="Succ (Succ (primPlusNat vx3000 Zero))",fontsize=16,color="green",shape="box"];44 -> 50[label="",style="dashed", color="green", weight=3]; 45[label="Succ Zero",fontsize=16,color="green",shape="box"];46[label="primMinusNat Zero (Succ vx30000)",fontsize=16,color="black",shape="box"];46 -> 51[label="",style="solid", color="black", weight=3]; 47[label="primMinusNat Zero Zero",fontsize=16,color="black",shape="box"];47 -> 52[label="",style="solid", color="black", weight=3]; 48 -> 32[label="",style="dashed", color="red", weight=0]; 48[label="primPlusNat (primMulNat vx3100 (Succ Zero)) (Succ Zero)",fontsize=16,color="magenta"];48 -> 53[label="",style="dashed", color="magenta", weight=3]; 49[label="Zero",fontsize=16,color="green",shape="box"];50[label="primPlusNat vx3000 Zero",fontsize=16,color="burlywood",shape="box"];72[label="vx3000/Succ vx30000",fontsize=10,color="white",style="solid",shape="box"];50 -> 72[label="",style="solid", color="burlywood", weight=9]; 72 -> 54[label="",style="solid", color="burlywood", weight=3]; 73[label="vx3000/Zero",fontsize=10,color="white",style="solid",shape="box"];50 -> 73[label="",style="solid", color="burlywood", weight=9]; 73 -> 55[label="",style="solid", color="burlywood", weight=3]; 51[label="Neg (Succ vx30000)",fontsize=16,color="green",shape="box"];52[label="Pos Zero",fontsize=16,color="green",shape="box"];53 -> 35[label="",style="dashed", color="red", weight=0]; 53[label="primMulNat vx3100 (Succ Zero)",fontsize=16,color="magenta"];53 -> 56[label="",style="dashed", color="magenta", weight=3]; 54[label="primPlusNat (Succ vx30000) Zero",fontsize=16,color="black",shape="box"];54 -> 57[label="",style="solid", color="black", weight=3]; 55[label="primPlusNat Zero Zero",fontsize=16,color="black",shape="box"];55 -> 58[label="",style="solid", color="black", weight=3]; 56[label="vx3100",fontsize=16,color="green",shape="box"];57[label="Succ vx30000",fontsize=16,color="green",shape="box"];58[label="Zero",fontsize=16,color="green",shape="box"];} ---------------------------------------- (16) TRUE