7.52/3.51 YES 9.51/4.02 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 9.51/4.02 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.51/4.02 9.51/4.02 9.51/4.02 H-Termination with start terms of the given HASKELL could be proven: 9.51/4.02 9.51/4.02 (0) HASKELL 9.51/4.02 (1) BR [EQUIVALENT, 0 ms] 9.51/4.02 (2) HASKELL 9.51/4.02 (3) COR [EQUIVALENT, 0 ms] 9.51/4.02 (4) HASKELL 9.51/4.02 (5) Narrow [SOUND, 0 ms] 9.51/4.02 (6) QDP 9.51/4.02 (7) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.51/4.02 (8) YES 9.51/4.02 9.51/4.02 9.51/4.02 ---------------------------------------- 9.51/4.02 9.51/4.02 (0) 9.51/4.02 Obligation: 9.51/4.02 mainModule Main 9.51/4.02 module Main where { 9.51/4.02 import qualified Prelude; 9.51/4.02 data List a = Cons a (List a) | Nil ; 9.51/4.02 9.51/4.02 map :: (a -> b) -> List a -> List b; 9.51/4.02 map f Nil = Nil; 9.51/4.02 map f (Cons x xs) = Cons (f x) (map f xs); 9.51/4.02 9.51/4.02 } 9.51/4.02 9.51/4.02 ---------------------------------------- 9.51/4.02 9.51/4.02 (1) BR (EQUIVALENT) 9.51/4.02 Replaced joker patterns by fresh variables and removed binding patterns. 9.51/4.02 ---------------------------------------- 9.51/4.02 9.51/4.02 (2) 9.51/4.02 Obligation: 9.51/4.02 mainModule Main 9.51/4.02 module Main where { 9.51/4.02 import qualified Prelude; 9.51/4.02 data List a = Cons a (List a) | Nil ; 9.51/4.02 9.51/4.02 map :: (b -> a) -> List b -> List a; 9.51/4.02 map f Nil = Nil; 9.51/4.02 map f (Cons x xs) = Cons (f x) (map f xs); 9.51/4.02 9.51/4.02 } 9.51/4.02 9.51/4.02 ---------------------------------------- 9.51/4.02 9.51/4.02 (3) COR (EQUIVALENT) 9.51/4.02 Cond Reductions: 9.51/4.02 The following Function with conditions 9.51/4.02 "undefined |Falseundefined; 9.51/4.02 " 9.51/4.02 is transformed to 9.51/4.02 "undefined = undefined1; 9.51/4.02 " 9.51/4.02 "undefined0 True = undefined; 9.51/4.02 " 9.51/4.02 "undefined1 = undefined0 False; 9.51/4.02 " 9.51/4.02 9.51/4.02 ---------------------------------------- 9.51/4.02 9.51/4.02 (4) 9.51/4.02 Obligation: 9.51/4.02 mainModule Main 9.51/4.02 module Main where { 9.51/4.02 import qualified Prelude; 9.51/4.02 data List a = Cons a (List a) | Nil ; 9.51/4.02 9.51/4.02 map :: (a -> b) -> List a -> List b; 9.51/4.02 map f Nil = Nil; 9.51/4.02 map f (Cons x xs) = Cons (f x) (map f xs); 9.51/4.02 9.51/4.02 } 9.51/4.02 9.51/4.02 ---------------------------------------- 9.51/4.02 9.51/4.02 (5) Narrow (SOUND) 9.51/4.02 Haskell To QDPs 9.51/4.02 9.51/4.02 digraph dp_graph { 9.51/4.02 node [outthreshold=100, inthreshold=100];1[label="map",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 9.51/4.02 3[label="map vx3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 9.51/4.02 4[label="map vx3 vx4",fontsize=16,color="burlywood",shape="triangle"];13[label="vx4/Cons vx40 vx41",fontsize=10,color="white",style="solid",shape="box"];4 -> 13[label="",style="solid", color="burlywood", weight=9]; 9.51/4.02 13 -> 5[label="",style="solid", color="burlywood", weight=3]; 9.51/4.02 14[label="vx4/Nil",fontsize=10,color="white",style="solid",shape="box"];4 -> 14[label="",style="solid", color="burlywood", weight=9]; 9.51/4.02 14 -> 6[label="",style="solid", color="burlywood", weight=3]; 9.51/4.02 5[label="map vx3 (Cons vx40 vx41)",fontsize=16,color="black",shape="box"];5 -> 7[label="",style="solid", color="black", weight=3]; 9.51/4.02 6[label="map vx3 Nil",fontsize=16,color="black",shape="box"];6 -> 8[label="",style="solid", color="black", weight=3]; 9.51/4.02 7[label="Cons (vx3 vx40) (map vx3 vx41)",fontsize=16,color="green",shape="box"];7 -> 9[label="",style="dashed", color="green", weight=3]; 9.51/4.02 7 -> 10[label="",style="dashed", color="green", weight=3]; 9.51/4.02 8[label="Nil",fontsize=16,color="green",shape="box"];9[label="vx3 vx40",fontsize=16,color="green",shape="box"];9 -> 11[label="",style="dashed", color="green", weight=3]; 9.51/4.02 10 -> 4[label="",style="dashed", color="red", weight=0]; 9.51/4.02 10[label="map vx3 vx41",fontsize=16,color="magenta"];10 -> 12[label="",style="dashed", color="magenta", weight=3]; 9.51/4.02 11[label="vx40",fontsize=16,color="green",shape="box"];12[label="vx41",fontsize=16,color="green",shape="box"];} 9.51/4.02 9.51/4.02 ---------------------------------------- 9.51/4.02 9.51/4.02 (6) 9.51/4.02 Obligation: 9.51/4.02 Q DP problem: 9.51/4.02 The TRS P consists of the following rules: 9.51/4.02 9.51/4.02 new_map(vx3, Cons(vx40, vx41), h, ba) -> new_map(vx3, vx41, h, ba) 9.51/4.02 9.51/4.02 R is empty. 9.51/4.02 Q is empty. 9.51/4.02 We have to consider all minimal (P,Q,R)-chains. 9.51/4.02 ---------------------------------------- 9.51/4.02 9.51/4.02 (7) QDPSizeChangeProof (EQUIVALENT) 9.51/4.02 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. 9.51/4.02 9.51/4.02 From the DPs we obtained the following set of size-change graphs: 9.51/4.02 *new_map(vx3, Cons(vx40, vx41), h, ba) -> new_map(vx3, vx41, h, ba) 9.51/4.02 The graph contains the following edges 1 >= 1, 2 > 2, 3 >= 3, 4 >= 4 9.51/4.02 9.51/4.02 9.51/4.02 ---------------------------------------- 9.51/4.02 9.51/4.02 (8) 9.51/4.02 YES 9.77/4.16 EOF