7.89/3.50 YES 9.49/3.95 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 9.49/3.95 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.49/3.95 9.49/3.95 9.49/3.95 H-Termination with start terms of the given HASKELL could be proven: 9.49/3.95 9.49/3.95 (0) HASKELL 9.49/3.95 (1) BR [EQUIVALENT, 0 ms] 9.49/3.95 (2) HASKELL 9.49/3.95 (3) COR [EQUIVALENT, 0 ms] 9.49/3.95 (4) HASKELL 9.49/3.95 (5) Narrow [SOUND, 0 ms] 9.49/3.95 (6) QDP 9.49/3.95 (7) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.49/3.95 (8) YES 9.49/3.95 9.49/3.95 9.49/3.95 ---------------------------------------- 9.49/3.95 9.49/3.95 (0) 9.49/3.95 Obligation: 9.49/3.95 mainModule Main 9.49/3.95 module Main where { 9.49/3.95 import qualified Prelude; 9.49/3.95 } 9.49/3.95 9.49/3.95 ---------------------------------------- 9.49/3.95 9.49/3.95 (1) BR (EQUIVALENT) 9.49/3.95 Replaced joker patterns by fresh variables and removed binding patterns. 9.49/3.95 ---------------------------------------- 9.49/3.95 9.49/3.95 (2) 9.49/3.95 Obligation: 9.49/3.95 mainModule Main 9.49/3.95 module Main where { 9.49/3.95 import qualified Prelude; 9.49/3.95 } 9.49/3.95 9.49/3.95 ---------------------------------------- 9.49/3.95 9.49/3.95 (3) COR (EQUIVALENT) 9.49/3.95 Cond Reductions: 9.49/3.95 The following Function with conditions 9.49/3.95 "undefined |Falseundefined; 9.49/3.95 " 9.49/3.95 is transformed to 9.49/3.95 "undefined = undefined1; 9.49/3.95 " 9.49/3.95 "undefined0 True = undefined; 9.49/3.95 " 9.49/3.95 "undefined1 = undefined0 False; 9.49/3.95 " 9.49/3.95 9.49/3.95 ---------------------------------------- 9.49/3.95 9.49/3.95 (4) 9.49/3.95 Obligation: 9.49/3.95 mainModule Main 9.49/3.95 module Main where { 9.49/3.95 import qualified Prelude; 9.49/3.95 } 9.49/3.95 9.49/3.95 ---------------------------------------- 9.49/3.95 9.49/3.95 (5) Narrow (SOUND) 9.49/3.95 Haskell To QDPs 9.49/3.95 9.49/3.95 digraph dp_graph { 9.49/3.95 node [outthreshold=100, inthreshold=100];1[label="elem",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 9.49/3.95 3[label="elem vx3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 9.49/3.95 4[label="elem vx3 vx4",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 9.49/3.95 5[label="any . (==)",fontsize=16,color="black",shape="box"];5 -> 6[label="",style="solid", color="black", weight=3]; 9.49/3.95 6[label="any ((==) vx3) vx4",fontsize=16,color="black",shape="box"];6 -> 7[label="",style="solid", color="black", weight=3]; 9.49/3.95 7[label="or . map ((==) vx3)",fontsize=16,color="black",shape="box"];7 -> 8[label="",style="solid", color="black", weight=3]; 9.49/3.95 8[label="or (map ((==) vx3) vx4)",fontsize=16,color="black",shape="box"];8 -> 9[label="",style="solid", color="black", weight=3]; 9.49/3.95 9[label="foldr (||) False (map ((==) vx3) vx4)",fontsize=16,color="burlywood",shape="triangle"];23[label="vx4/vx40 : vx41",fontsize=10,color="white",style="solid",shape="box"];9 -> 23[label="",style="solid", color="burlywood", weight=9]; 9.49/3.95 23 -> 10[label="",style="solid", color="burlywood", weight=3]; 9.49/3.95 24[label="vx4/[]",fontsize=10,color="white",style="solid",shape="box"];9 -> 24[label="",style="solid", color="burlywood", weight=9]; 9.49/3.95 24 -> 11[label="",style="solid", color="burlywood", weight=3]; 9.49/3.95 10[label="foldr (||) False (map ((==) vx3) (vx40 : vx41))",fontsize=16,color="black",shape="box"];10 -> 12[label="",style="solid", color="black", weight=3]; 9.49/3.95 11[label="foldr (||) False (map ((==) vx3) [])",fontsize=16,color="black",shape="box"];11 -> 13[label="",style="solid", color="black", weight=3]; 9.49/3.95 12[label="foldr (||) False (((==) vx3 vx40) : map ((==) vx3) vx41)",fontsize=16,color="black",shape="box"];12 -> 14[label="",style="solid", color="black", weight=3]; 9.49/3.95 13[label="foldr (||) False []",fontsize=16,color="black",shape="box"];13 -> 15[label="",style="solid", color="black", weight=3]; 9.49/3.95 14 -> 16[label="",style="dashed", color="red", weight=0]; 9.49/3.95 14[label="(||) (==) vx3 vx40 foldr (||) False (map ((==) vx3) vx41)",fontsize=16,color="magenta"];14 -> 17[label="",style="dashed", color="magenta", weight=3]; 9.49/3.95 15[label="False",fontsize=16,color="green",shape="box"];17 -> 9[label="",style="dashed", color="red", weight=0]; 9.49/3.95 17[label="foldr (||) False (map ((==) vx3) vx41)",fontsize=16,color="magenta"];17 -> 18[label="",style="dashed", color="magenta", weight=3]; 9.49/3.95 16[label="(||) (==) vx3 vx40 vx5",fontsize=16,color="burlywood",shape="triangle"];25[label="vx3/()",fontsize=10,color="white",style="solid",shape="box"];16 -> 25[label="",style="solid", color="burlywood", weight=9]; 9.49/3.95 25 -> 19[label="",style="solid", color="burlywood", weight=3]; 9.49/3.95 18[label="vx41",fontsize=16,color="green",shape="box"];19[label="(||) (==) () vx40 vx5",fontsize=16,color="burlywood",shape="box"];26[label="vx40/()",fontsize=10,color="white",style="solid",shape="box"];19 -> 26[label="",style="solid", color="burlywood", weight=9]; 9.49/3.95 26 -> 20[label="",style="solid", color="burlywood", weight=3]; 9.49/3.95 20[label="(||) (==) () () vx5",fontsize=16,color="black",shape="box"];20 -> 21[label="",style="solid", color="black", weight=3]; 9.49/3.95 21[label="(||) True vx5",fontsize=16,color="black",shape="box"];21 -> 22[label="",style="solid", color="black", weight=3]; 9.49/3.95 22[label="True",fontsize=16,color="green",shape="box"];} 9.49/3.95 9.49/3.95 ---------------------------------------- 9.49/3.95 9.49/3.95 (6) 9.49/3.95 Obligation: 9.49/3.95 Q DP problem: 9.49/3.95 The TRS P consists of the following rules: 9.49/3.95 9.49/3.95 new_foldr(vx3, :(vx40, vx41)) -> new_foldr(vx3, vx41) 9.49/3.95 9.49/3.95 R is empty. 9.49/3.95 Q is empty. 9.49/3.95 We have to consider all minimal (P,Q,R)-chains. 9.49/3.95 ---------------------------------------- 9.49/3.95 9.49/3.95 (7) QDPSizeChangeProof (EQUIVALENT) 9.49/3.95 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. 9.49/3.95 9.49/3.95 From the DPs we obtained the following set of size-change graphs: 9.49/3.95 *new_foldr(vx3, :(vx40, vx41)) -> new_foldr(vx3, vx41) 9.49/3.95 The graph contains the following edges 1 >= 1, 2 > 2 9.49/3.95 9.49/3.95 9.49/3.95 ---------------------------------------- 9.49/3.95 9.49/3.95 (8) 9.49/3.95 YES 9.76/4.03 EOF