/export/starexec/sandbox2/solver/bin/starexec_run_standard /export/starexec/sandbox2/benchmark/theBenchmark.hs /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox2/benchmark/theBenchmark.hs # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty H-Termination with start terms of the given HASKELL could be proven: (0) HASKELL (1) BR [EQUIVALENT, 0 ms] (2) HASKELL (3) COR [EQUIVALENT, 0 ms] (4) HASKELL (5) Narrow [SOUND, 0 ms] (6) QDP (7) QDPSizeChangeProof [EQUIVALENT, 0 ms] (8) YES ---------------------------------------- (0) Obligation: mainModule Main module Main where { import qualified Prelude; data List a = Cons a (List a) | Nil ; data MyBool = MyTrue | MyFalse ; any :: (a -> MyBool) -> List a -> MyBool; any p = pt or (map p); elemMyBool :: MyBool -> List MyBool -> MyBool; elemMyBool = pt any esEsMyBool; esEsMyBool :: MyBool -> MyBool -> MyBool; esEsMyBool MyFalse MyFalse = MyTrue; esEsMyBool MyFalse MyTrue = MyFalse; esEsMyBool MyTrue MyFalse = MyFalse; esEsMyBool MyTrue MyTrue = MyTrue; foldr :: (b -> a -> a) -> a -> List b -> a; foldr f z Nil = z; foldr f z (Cons x xs) = f x (foldr f z xs); map :: (a -> b) -> List a -> List b; map f Nil = Nil; map f (Cons x xs) = Cons (f x) (map f xs); or :: List MyBool -> MyBool; or = foldr pePe MyFalse; pePe :: MyBool -> MyBool -> MyBool; pePe MyFalse x = x; pePe MyTrue x = MyTrue; pt :: (b -> c) -> (a -> b) -> a -> c; pt f g x = f (g x); } ---------------------------------------- (1) BR (EQUIVALENT) Replaced joker patterns by fresh variables and removed binding patterns. ---------------------------------------- (2) Obligation: mainModule Main module Main where { import qualified Prelude; data List a = Cons a (List a) | Nil ; data MyBool = MyTrue | MyFalse ; any :: (a -> MyBool) -> List a -> MyBool; any p = pt or (map p); elemMyBool :: MyBool -> List MyBool -> MyBool; elemMyBool = pt any esEsMyBool; esEsMyBool :: MyBool -> MyBool -> MyBool; esEsMyBool MyFalse MyFalse = MyTrue; esEsMyBool MyFalse MyTrue = MyFalse; esEsMyBool MyTrue MyFalse = MyFalse; esEsMyBool MyTrue MyTrue = MyTrue; foldr :: (b -> a -> a) -> a -> List b -> a; foldr f z Nil = z; foldr f z (Cons x xs) = f x (foldr f z xs); map :: (a -> b) -> List a -> List b; map f Nil = Nil; map f (Cons x xs) = Cons (f x) (map f xs); or :: List MyBool -> MyBool; or = foldr pePe MyFalse; pePe :: MyBool -> MyBool -> MyBool; pePe MyFalse x = x; pePe MyTrue x = MyTrue; pt :: (b -> c) -> (a -> b) -> a -> c; pt f g x = f (g x); } ---------------------------------------- (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 List a = Cons a (List a) | Nil ; data MyBool = MyTrue | MyFalse ; any :: (a -> MyBool) -> List a -> MyBool; any p = pt or (map p); elemMyBool :: MyBool -> List MyBool -> MyBool; elemMyBool = pt any esEsMyBool; esEsMyBool :: MyBool -> MyBool -> MyBool; esEsMyBool MyFalse MyFalse = MyTrue; esEsMyBool MyFalse MyTrue = MyFalse; esEsMyBool MyTrue MyFalse = MyFalse; esEsMyBool MyTrue MyTrue = MyTrue; foldr :: (b -> a -> a) -> a -> List b -> a; foldr f z Nil = z; foldr f z (Cons x xs) = f x (foldr f z xs); map :: (a -> b) -> List a -> List b; map f Nil = Nil; map f (Cons x xs) = Cons (f x) (map f xs); or :: List MyBool -> MyBool; or = foldr pePe MyFalse; pePe :: MyBool -> MyBool -> MyBool; pePe MyFalse x = x; pePe MyTrue x = MyTrue; pt :: (c -> b) -> (a -> c) -> a -> b; pt f g x = f (g x); } ---------------------------------------- (5) Narrow (SOUND) Haskell To QDPs digraph dp_graph { node [outthreshold=100, inthreshold=100];1[label="elemMyBool",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 3[label="elemMyBool vx3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 4[label="elemMyBool vx3 vx4",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 5[label="pt any esEsMyBool vx3 vx4",fontsize=16,color="black",shape="box"];5 -> 6[label="",style="solid", color="black", weight=3]; 6[label="any (esEsMyBool vx3) vx4",fontsize=16,color="black",shape="box"];6 -> 7[label="",style="solid", color="black", weight=3]; 7[label="pt or (map (esEsMyBool vx3)) vx4",fontsize=16,color="black",shape="box"];7 -> 8[label="",style="solid", color="black", weight=3]; 8[label="or (map (esEsMyBool vx3) vx4)",fontsize=16,color="black",shape="box"];8 -> 9[label="",style="solid", color="black", weight=3]; 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]; 31 -> 10[label="",style="solid", color="burlywood", weight=3]; 32[label="vx4/Nil",fontsize=10,color="white",style="solid",shape="box"];9 -> 32[label="",style="solid", color="burlywood", weight=9]; 32 -> 11[label="",style="solid", color="burlywood", weight=3]; 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]; 11[label="foldr pePe MyFalse (map (esEsMyBool vx3) Nil)",fontsize=16,color="black",shape="box"];11 -> 13[label="",style="solid", color="black", weight=3]; 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]; 13[label="foldr pePe MyFalse Nil",fontsize=16,color="black",shape="box"];13 -> 15[label="",style="solid", color="black", weight=3]; 14 -> 16[label="",style="dashed", color="red", weight=0]; 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]; 15[label="MyFalse",fontsize=16,color="green",shape="box"];17 -> 9[label="",style="dashed", color="red", weight=0]; 17[label="foldr pePe MyFalse (map (esEsMyBool vx3) vx41)",fontsize=16,color="magenta"];17 -> 18[label="",style="dashed", color="magenta", weight=3]; 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]; 33 -> 19[label="",style="solid", color="burlywood", weight=3]; 34[label="vx3/MyFalse",fontsize=10,color="white",style="solid",shape="box"];16 -> 34[label="",style="solid", color="burlywood", weight=9]; 34 -> 20[label="",style="solid", color="burlywood", weight=3]; 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]; 35 -> 21[label="",style="solid", color="burlywood", weight=3]; 36[label="vx40/MyFalse",fontsize=10,color="white",style="solid",shape="box"];19 -> 36[label="",style="solid", color="burlywood", weight=9]; 36 -> 22[label="",style="solid", color="burlywood", weight=3]; 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]; 37 -> 23[label="",style="solid", color="burlywood", weight=3]; 38[label="vx40/MyFalse",fontsize=10,color="white",style="solid",shape="box"];20 -> 38[label="",style="solid", color="burlywood", weight=9]; 38 -> 24[label="",style="solid", color="burlywood", weight=3]; 21[label="pePe (esEsMyBool MyTrue MyTrue) vx5",fontsize=16,color="black",shape="box"];21 -> 25[label="",style="solid", color="black", weight=3]; 22[label="pePe (esEsMyBool MyTrue MyFalse) vx5",fontsize=16,color="black",shape="box"];22 -> 26[label="",style="solid", color="black", weight=3]; 23[label="pePe (esEsMyBool MyFalse MyTrue) vx5",fontsize=16,color="black",shape="box"];23 -> 27[label="",style="solid", color="black", weight=3]; 24[label="pePe (esEsMyBool MyFalse MyFalse) vx5",fontsize=16,color="black",shape="box"];24 -> 28[label="",style="solid", color="black", weight=3]; 25[label="pePe MyTrue vx5",fontsize=16,color="black",shape="triangle"];25 -> 29[label="",style="solid", color="black", weight=3]; 26[label="pePe MyFalse vx5",fontsize=16,color="black",shape="triangle"];26 -> 30[label="",style="solid", color="black", weight=3]; 27 -> 26[label="",style="dashed", color="red", weight=0]; 27[label="pePe MyFalse vx5",fontsize=16,color="magenta"];28 -> 25[label="",style="dashed", color="red", weight=0]; 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"];} ---------------------------------------- (6) Obligation: Q DP problem: The TRS P consists of the following rules: new_foldr(vx3, Cons(vx40, vx41)) -> new_foldr(vx3, vx41) R is empty. Q is empty. We have to consider all minimal (P,Q,R)-chains. ---------------------------------------- (7) 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_foldr(vx3, Cons(vx40, vx41)) -> new_foldr(vx3, vx41) The graph contains the following edges 1 >= 1, 2 > 2 ---------------------------------------- (8) YES