7.56/3.41 YES 8.84/3.88 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 8.84/3.88 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 8.84/3.88 8.84/3.88 8.84/3.88 H-Termination with start terms of the given HASKELL could be proven: 8.84/3.88 8.84/3.88 (0) HASKELL 8.84/3.88 (1) BR [EQUIVALENT, 0 ms] 8.84/3.88 (2) HASKELL 8.84/3.88 (3) COR [EQUIVALENT, 0 ms] 8.84/3.88 (4) HASKELL 8.84/3.88 (5) Narrow [EQUIVALENT, 0 ms] 8.84/3.88 (6) YES 8.84/3.88 8.84/3.88 8.84/3.88 ---------------------------------------- 8.84/3.88 8.84/3.88 (0) 8.84/3.88 Obligation: 8.84/3.88 mainModule Main 8.84/3.88 module Main where { 8.84/3.88 import qualified Prelude; 8.84/3.88 data Tup2 a b = Tup2 a b ; 8.84/3.88 8.84/3.88 fst :: Tup2 b a -> b; 8.84/3.88 fst (Tup2 x vw) = x; 8.84/3.88 8.84/3.88 snd :: Tup2 a b -> b; 8.84/3.88 snd (Tup2 vv y) = y; 8.84/3.88 8.84/3.88 uncurry :: (b -> a -> c) -> Tup2 b a -> c; 8.84/3.88 uncurry f p = f (fst p) (snd p); 8.84/3.88 8.84/3.88 } 8.84/3.88 8.84/3.88 ---------------------------------------- 8.84/3.88 8.84/3.88 (1) BR (EQUIVALENT) 8.84/3.88 Replaced joker patterns by fresh variables and removed binding patterns. 8.84/3.88 ---------------------------------------- 8.84/3.88 8.84/3.88 (2) 8.84/3.88 Obligation: 8.84/3.88 mainModule Main 8.84/3.88 module Main where { 8.84/3.88 import qualified Prelude; 8.84/3.88 data Tup2 b a = Tup2 b a ; 8.84/3.88 8.84/3.88 fst :: Tup2 a b -> a; 8.84/3.88 fst (Tup2 x vw) = x; 8.84/3.88 8.84/3.88 snd :: Tup2 b a -> a; 8.84/3.88 snd (Tup2 vv y) = y; 8.84/3.88 8.84/3.88 uncurry :: (b -> c -> a) -> Tup2 b c -> a; 8.84/3.88 uncurry f p = f (fst p) (snd p); 8.84/3.88 8.84/3.88 } 8.84/3.88 8.84/3.88 ---------------------------------------- 8.84/3.88 8.84/3.88 (3) COR (EQUIVALENT) 8.84/3.88 Cond Reductions: 8.84/3.88 The following Function with conditions 8.84/3.88 "undefined |Falseundefined; 8.84/3.88 " 8.84/3.88 is transformed to 8.84/3.88 "undefined = undefined1; 8.84/3.88 " 8.84/3.88 "undefined0 True = undefined; 8.84/3.88 " 8.84/3.88 "undefined1 = undefined0 False; 8.84/3.88 " 8.84/3.88 8.84/3.88 ---------------------------------------- 8.84/3.88 8.84/3.88 (4) 8.84/3.88 Obligation: 8.84/3.88 mainModule Main 8.84/3.88 module Main where { 8.84/3.88 import qualified Prelude; 8.84/3.88 data Tup2 b a = Tup2 b a ; 8.84/3.88 8.84/3.88 fst :: Tup2 b a -> b; 8.84/3.88 fst (Tup2 x vw) = x; 8.84/3.88 8.84/3.88 snd :: Tup2 b a -> a; 8.84/3.88 snd (Tup2 vv y) = y; 8.84/3.88 8.84/3.88 uncurry :: (a -> c -> b) -> Tup2 a c -> b; 8.84/3.88 uncurry f p = f (fst p) (snd p); 8.84/3.88 8.84/3.88 } 8.84/3.88 8.84/3.88 ---------------------------------------- 8.84/3.88 8.84/3.88 (5) Narrow (EQUIVALENT) 8.84/3.88 Haskell To QDPs 8.84/3.88 8.84/3.88 digraph dp_graph { 8.84/3.88 node [outthreshold=100, inthreshold=100];1[label="uncurry",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 8.84/3.88 3[label="uncurry vz3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 8.84/3.88 4[label="uncurry vz3 vz4",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 8.84/3.88 5[label="vz3 (fst vz4) (snd vz4)",fontsize=16,color="green",shape="box"];5 -> 6[label="",style="dashed", color="green", weight=3]; 8.84/3.88 5 -> 7[label="",style="dashed", color="green", weight=3]; 8.84/3.88 6[label="fst vz4",fontsize=16,color="burlywood",shape="box"];12[label="vz4/Tup2 vz40 vz41",fontsize=10,color="white",style="solid",shape="box"];6 -> 12[label="",style="solid", color="burlywood", weight=9]; 8.84/3.88 12 -> 8[label="",style="solid", color="burlywood", weight=3]; 8.84/3.88 7[label="snd vz4",fontsize=16,color="burlywood",shape="box"];13[label="vz4/Tup2 vz40 vz41",fontsize=10,color="white",style="solid",shape="box"];7 -> 13[label="",style="solid", color="burlywood", weight=9]; 8.84/3.88 13 -> 9[label="",style="solid", color="burlywood", weight=3]; 8.84/3.88 8[label="fst (Tup2 vz40 vz41)",fontsize=16,color="black",shape="box"];8 -> 10[label="",style="solid", color="black", weight=3]; 8.84/3.88 9[label="snd (Tup2 vz40 vz41)",fontsize=16,color="black",shape="box"];9 -> 11[label="",style="solid", color="black", weight=3]; 8.84/3.88 10[label="vz40",fontsize=16,color="green",shape="box"];11[label="vz41",fontsize=16,color="green",shape="box"];} 8.84/3.88 8.84/3.88 ---------------------------------------- 8.84/3.88 8.84/3.88 (6) 8.84/3.88 YES 9.21/3.93 EOF