8.01/3.95 YES 9.88/4.48 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 9.88/4.48 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.88/4.48 9.88/4.48 9.88/4.48 H-Termination with start terms of the given HASKELL could be proven: 9.88/4.48 9.88/4.48 (0) HASKELL 9.88/4.48 (1) BR [EQUIVALENT, 0 ms] 9.88/4.48 (2) HASKELL 9.88/4.48 (3) COR [EQUIVALENT, 0 ms] 9.88/4.48 (4) HASKELL 9.88/4.48 (5) Narrow [SOUND, 0 ms] 9.88/4.48 (6) QDP 9.88/4.48 (7) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.88/4.48 (8) YES 9.88/4.48 9.88/4.48 9.88/4.48 ---------------------------------------- 9.88/4.48 9.88/4.48 (0) 9.88/4.48 Obligation: 9.88/4.48 mainModule Main 9.88/4.48 module Main where { 9.88/4.48 import qualified Prelude; 9.88/4.48 data List a = Cons a (List a) | Nil ; 9.88/4.48 9.88/4.48 data MyBool = MyTrue | MyFalse ; 9.88/4.48 9.88/4.48 any :: (a -> MyBool) -> List a -> MyBool; 9.88/4.48 any p = pt or (map p); 9.88/4.48 9.88/4.48 elemMyBool :: MyBool -> List MyBool -> MyBool; 9.88/4.48 elemMyBool = pt any esEsMyBool; 9.88/4.48 9.88/4.48 esEsMyBool :: MyBool -> MyBool -> MyBool; 9.88/4.48 esEsMyBool MyFalse MyFalse = MyTrue; 9.88/4.48 esEsMyBool MyFalse MyTrue = MyFalse; 9.88/4.48 esEsMyBool MyTrue MyFalse = MyFalse; 9.88/4.48 esEsMyBool MyTrue MyTrue = MyTrue; 9.88/4.48 9.88/4.48 foldr :: (b -> a -> a) -> a -> List b -> a; 9.88/4.48 foldr f z Nil = z; 9.88/4.48 foldr f z (Cons x xs) = f x (foldr f z xs); 9.88/4.48 9.88/4.48 map :: (a -> b) -> List a -> List b; 9.88/4.48 map f Nil = Nil; 9.88/4.48 map f (Cons x xs) = Cons (f x) (map f xs); 9.88/4.48 9.88/4.48 or :: List MyBool -> MyBool; 9.88/4.48 or = foldr pePe MyFalse; 9.88/4.48 9.88/4.48 pePe :: MyBool -> MyBool -> MyBool; 9.88/4.48 pePe MyFalse x = x; 9.88/4.48 pePe MyTrue x = MyTrue; 9.88/4.48 9.88/4.48 pt :: (b -> c) -> (a -> b) -> a -> c; 9.88/4.48 pt f g x = f (g x); 9.88/4.48 9.88/4.48 } 9.88/4.48 9.88/4.48 ---------------------------------------- 9.88/4.48 9.88/4.48 (1) BR (EQUIVALENT) 9.88/4.48 Replaced joker patterns by fresh variables and removed binding patterns. 9.88/4.48 ---------------------------------------- 9.88/4.48 9.88/4.48 (2) 9.88/4.48 Obligation: 9.88/4.48 mainModule Main 9.88/4.48 module Main where { 9.88/4.48 import qualified Prelude; 9.88/4.48 data List a = Cons a (List a) | Nil ; 9.88/4.48 9.88/4.48 data MyBool = MyTrue | MyFalse ; 9.88/4.48 9.88/4.48 any :: (a -> MyBool) -> List a -> MyBool; 9.88/4.48 any p = pt or (map p); 9.88/4.48 9.88/4.48 elemMyBool :: MyBool -> List MyBool -> MyBool; 9.88/4.48 elemMyBool = pt any esEsMyBool; 9.88/4.48 9.88/4.48 esEsMyBool :: MyBool -> MyBool -> MyBool; 9.88/4.48 esEsMyBool MyFalse MyFalse = MyTrue; 9.88/4.48 esEsMyBool MyFalse MyTrue = MyFalse; 9.88/4.48 esEsMyBool MyTrue MyFalse = MyFalse; 9.88/4.48 esEsMyBool MyTrue MyTrue = MyTrue; 9.88/4.48 9.88/4.48 foldr :: (b -> a -> a) -> a -> List b -> a; 9.88/4.48 foldr f z Nil = z; 9.88/4.48 foldr f z (Cons x xs) = f x (foldr f z xs); 9.88/4.48 9.88/4.48 map :: (a -> b) -> List a -> List b; 9.88/4.48 map f Nil = Nil; 9.88/4.48 map f (Cons x xs) = Cons (f x) (map f xs); 9.88/4.48 9.88/4.48 or :: List MyBool -> MyBool; 9.88/4.48 or = foldr pePe MyFalse; 9.88/4.48 9.88/4.48 pePe :: MyBool -> MyBool -> MyBool; 9.88/4.48 pePe MyFalse x = x; 9.88/4.48 pePe MyTrue x = MyTrue; 9.88/4.48 9.88/4.48 pt :: (b -> c) -> (a -> b) -> a -> c; 9.88/4.48 pt f g x = f (g x); 9.88/4.48 9.88/4.48 } 9.88/4.48 9.88/4.48 ---------------------------------------- 9.88/4.48 9.88/4.48 (3) COR (EQUIVALENT) 9.88/4.48 Cond Reductions: 9.88/4.48 The following Function with conditions 9.88/4.48 "undefined |Falseundefined; 9.88/4.48 " 9.88/4.48 is transformed to 9.88/4.48 "undefined = undefined1; 9.88/4.48 " 9.88/4.48 "undefined0 True = undefined; 9.88/4.48 " 9.88/4.48 "undefined1 = undefined0 False; 9.88/4.48 " 9.88/4.48 9.88/4.48 ---------------------------------------- 9.88/4.48 9.88/4.48 (4) 9.88/4.48 Obligation: 9.88/4.48 mainModule Main 9.88/4.48 module Main where { 9.88/4.48 import qualified Prelude; 9.88/4.48 data List a = Cons a (List a) | Nil ; 9.88/4.48 9.88/4.48 data MyBool = MyTrue | MyFalse ; 9.88/4.48 9.88/4.48 any :: (a -> MyBool) -> List a -> MyBool; 9.88/4.48 any p = pt or (map p); 9.88/4.48 9.88/4.48 elemMyBool :: MyBool -> List MyBool -> MyBool; 9.88/4.49 elemMyBool = pt any esEsMyBool; 9.88/4.49 9.88/4.49 esEsMyBool :: MyBool -> MyBool -> MyBool; 9.88/4.49 esEsMyBool MyFalse MyFalse = MyTrue; 9.88/4.49 esEsMyBool MyFalse MyTrue = MyFalse; 9.88/4.49 esEsMyBool MyTrue MyFalse = MyFalse; 9.88/4.49 esEsMyBool MyTrue MyTrue = MyTrue; 9.88/4.49 9.88/4.49 foldr :: (b -> a -> a) -> a -> List b -> a; 9.88/4.49 foldr f z Nil = z; 9.88/4.49 foldr f z (Cons x xs) = f x (foldr f z xs); 9.88/4.49 9.88/4.49 map :: (a -> b) -> List a -> List b; 9.88/4.49 map f Nil = Nil; 9.88/4.49 map f (Cons x xs) = Cons (f x) (map f xs); 9.88/4.49 9.88/4.49 or :: List MyBool -> MyBool; 9.88/4.49 or = foldr pePe MyFalse; 9.88/4.49 9.88/4.49 pePe :: MyBool -> MyBool -> MyBool; 9.88/4.49 pePe MyFalse x = x; 9.88/4.49 pePe MyTrue x = MyTrue; 9.88/4.49 9.88/4.49 pt :: (c -> b) -> (a -> c) -> a -> b; 9.88/4.49 pt f g x = f (g x); 9.88/4.49 9.88/4.49 } 9.88/4.49 9.88/4.49 ---------------------------------------- 9.88/4.49 9.88/4.49 (5) Narrow (SOUND) 9.88/4.49 Haskell To QDPs 9.88/4.49 9.88/4.49 digraph dp_graph { 9.88/4.49 node [outthreshold=100, inthreshold=100];1[label="elemMyBool",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 9.88/4.49 3[label="elemMyBool vx3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 9.88/4.49 4[label="elemMyBool vx3 vx4",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 9.88/4.49 5[label="pt any esEsMyBool vx3 vx4",fontsize=16,color="black",shape="box"];5 -> 6[label="",style="solid", color="black", weight=3]; 9.88/4.49 6[label="any (esEsMyBool vx3) vx4",fontsize=16,color="black",shape="box"];6 -> 7[label="",style="solid", color="black", weight=3]; 9.88/4.49 7[label="pt or (map (esEsMyBool vx3)) vx4",fontsize=16,color="black",shape="box"];7 -> 8[label="",style="solid", color="black", weight=3]; 9.88/4.49 8[label="or (map (esEsMyBool vx3) vx4)",fontsize=16,color="black",shape="box"];8 -> 9[label="",style="solid", color="black", weight=3]; 9.88/4.49 9[label="foldr pePe MyFalse (map (esEsMyBool vx3) vx4)",fontsize=16,color="burlywood",shape="triangle"];31[label="vx4/Cons vx40 vx41",fontsize=10,color="white",style="solid",shape="box"];9 -> 31[label="",style="solid", color="burlywood", weight=9]; 9.88/4.49 31 -> 10[label="",style="solid", color="burlywood", weight=3]; 9.88/4.49 32[label="vx4/Nil",fontsize=10,color="white",style="solid",shape="box"];9 -> 32[label="",style="solid", color="burlywood", weight=9]; 9.88/4.49 32 -> 11[label="",style="solid", color="burlywood", weight=3]; 9.88/4.49 10[label="foldr pePe MyFalse (map (esEsMyBool vx3) (Cons vx40 vx41))",fontsize=16,color="black",shape="box"];10 -> 12[label="",style="solid", color="black", weight=3]; 9.88/4.49 11[label="foldr pePe MyFalse (map (esEsMyBool vx3) Nil)",fontsize=16,color="black",shape="box"];11 -> 13[label="",style="solid", color="black", weight=3]; 9.88/4.49 12[label="foldr pePe MyFalse (Cons (esEsMyBool vx3 vx40) (map (esEsMyBool vx3) vx41))",fontsize=16,color="black",shape="box"];12 -> 14[label="",style="solid", color="black", weight=3]; 9.88/4.49 13[label="foldr pePe MyFalse Nil",fontsize=16,color="black",shape="box"];13 -> 15[label="",style="solid", color="black", weight=3]; 9.88/4.49 14 -> 16[label="",style="dashed", color="red", weight=0]; 9.88/4.49 14[label="pePe (esEsMyBool vx3 vx40) (foldr pePe MyFalse (map (esEsMyBool vx3) vx41))",fontsize=16,color="magenta"];14 -> 17[label="",style="dashed", color="magenta", weight=3]; 9.88/4.49 15[label="MyFalse",fontsize=16,color="green",shape="box"];17 -> 9[label="",style="dashed", color="red", weight=0]; 9.88/4.49 17[label="foldr pePe MyFalse (map (esEsMyBool vx3) vx41)",fontsize=16,color="magenta"];17 -> 18[label="",style="dashed", color="magenta", weight=3]; 9.88/4.49 16[label="pePe (esEsMyBool vx3 vx40) vx5",fontsize=16,color="burlywood",shape="triangle"];33[label="vx3/MyTrue",fontsize=10,color="white",style="solid",shape="box"];16 -> 33[label="",style="solid", color="burlywood", weight=9]; 9.88/4.49 33 -> 19[label="",style="solid", color="burlywood", weight=3]; 9.88/4.49 34[label="vx3/MyFalse",fontsize=10,color="white",style="solid",shape="box"];16 -> 34[label="",style="solid", color="burlywood", weight=9]; 9.88/4.49 34 -> 20[label="",style="solid", color="burlywood", weight=3]; 9.88/4.49 18[label="vx41",fontsize=16,color="green",shape="box"];19[label="pePe (esEsMyBool MyTrue vx40) vx5",fontsize=16,color="burlywood",shape="box"];35[label="vx40/MyTrue",fontsize=10,color="white",style="solid",shape="box"];19 -> 35[label="",style="solid", color="burlywood", weight=9]; 9.88/4.49 35 -> 21[label="",style="solid", color="burlywood", weight=3]; 9.88/4.49 36[label="vx40/MyFalse",fontsize=10,color="white",style="solid",shape="box"];19 -> 36[label="",style="solid", color="burlywood", weight=9]; 9.88/4.49 36 -> 22[label="",style="solid", color="burlywood", weight=3]; 9.88/4.49 20[label="pePe (esEsMyBool MyFalse vx40) vx5",fontsize=16,color="burlywood",shape="box"];37[label="vx40/MyTrue",fontsize=10,color="white",style="solid",shape="box"];20 -> 37[label="",style="solid", color="burlywood", weight=9]; 9.88/4.49 37 -> 23[label="",style="solid", color="burlywood", weight=3]; 9.88/4.49 38[label="vx40/MyFalse",fontsize=10,color="white",style="solid",shape="box"];20 -> 38[label="",style="solid", color="burlywood", weight=9]; 9.88/4.49 38 -> 24[label="",style="solid", color="burlywood", weight=3]; 9.88/4.49 21[label="pePe (esEsMyBool MyTrue MyTrue) vx5",fontsize=16,color="black",shape="box"];21 -> 25[label="",style="solid", color="black", weight=3]; 9.88/4.49 22[label="pePe (esEsMyBool MyTrue MyFalse) vx5",fontsize=16,color="black",shape="box"];22 -> 26[label="",style="solid", color="black", weight=3]; 9.88/4.49 23[label="pePe (esEsMyBool MyFalse MyTrue) vx5",fontsize=16,color="black",shape="box"];23 -> 27[label="",style="solid", color="black", weight=3]; 9.88/4.49 24[label="pePe (esEsMyBool MyFalse MyFalse) vx5",fontsize=16,color="black",shape="box"];24 -> 28[label="",style="solid", color="black", weight=3]; 9.88/4.49 25[label="pePe MyTrue vx5",fontsize=16,color="black",shape="triangle"];25 -> 29[label="",style="solid", color="black", weight=3]; 9.88/4.49 26[label="pePe MyFalse vx5",fontsize=16,color="black",shape="triangle"];26 -> 30[label="",style="solid", color="black", weight=3]; 9.88/4.49 27 -> 26[label="",style="dashed", color="red", weight=0]; 9.88/4.49 27[label="pePe MyFalse vx5",fontsize=16,color="magenta"];28 -> 25[label="",style="dashed", color="red", weight=0]; 9.88/4.49 28[label="pePe MyTrue vx5",fontsize=16,color="magenta"];29[label="MyTrue",fontsize=16,color="green",shape="box"];30[label="vx5",fontsize=16,color="green",shape="box"];} 9.88/4.49 9.88/4.49 ---------------------------------------- 9.88/4.49 9.88/4.49 (6) 9.88/4.49 Obligation: 9.88/4.49 Q DP problem: 9.88/4.49 The TRS P consists of the following rules: 9.88/4.49 9.88/4.49 new_foldr(vx3, Cons(vx40, vx41)) -> new_foldr(vx3, vx41) 9.88/4.49 9.88/4.49 R is empty. 9.88/4.49 Q is empty. 9.88/4.49 We have to consider all minimal (P,Q,R)-chains. 9.88/4.49 ---------------------------------------- 9.88/4.49 9.88/4.49 (7) QDPSizeChangeProof (EQUIVALENT) 9.88/4.49 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. 9.88/4.49 9.88/4.49 From the DPs we obtained the following set of size-change graphs: 9.88/4.49 *new_foldr(vx3, Cons(vx40, vx41)) -> new_foldr(vx3, vx41) 9.88/4.49 The graph contains the following edges 1 >= 1, 2 > 2 9.88/4.49 9.88/4.49 9.88/4.49 ---------------------------------------- 9.88/4.49 9.88/4.49 (8) 9.88/4.49 YES 10.04/4.54 EOF