7.96/3.51 YES 9.26/3.93 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 9.26/3.93 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.26/3.93 9.26/3.93 9.26/3.93 H-Termination with start terms of the given HASKELL could be proven: 9.26/3.93 9.26/3.93 (0) HASKELL 9.26/3.93 (1) BR [EQUIVALENT, 0 ms] 9.26/3.93 (2) HASKELL 9.26/3.93 (3) COR [EQUIVALENT, 0 ms] 9.26/3.93 (4) HASKELL 9.26/3.93 (5) Narrow [SOUND, 0 ms] 9.26/3.93 (6) QDP 9.26/3.93 (7) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.26/3.93 (8) YES 9.26/3.93 9.26/3.93 9.26/3.93 ---------------------------------------- 9.26/3.93 9.26/3.93 (0) 9.26/3.93 Obligation: 9.26/3.93 mainModule Main 9.26/3.93 module Main where { 9.26/3.93 import qualified Prelude; 9.26/3.93 } 9.26/3.93 9.26/3.93 ---------------------------------------- 9.26/3.93 9.26/3.93 (1) BR (EQUIVALENT) 9.26/3.93 Replaced joker patterns by fresh variables and removed binding patterns. 9.26/3.93 ---------------------------------------- 9.26/3.93 9.26/3.93 (2) 9.26/3.93 Obligation: 9.26/3.93 mainModule Main 9.26/3.93 module Main where { 9.26/3.93 import qualified Prelude; 9.26/3.93 } 9.26/3.93 9.26/3.93 ---------------------------------------- 9.26/3.93 9.26/3.93 (3) COR (EQUIVALENT) 9.26/3.93 Cond Reductions: 9.26/3.93 The following Function with conditions 9.26/3.93 "undefined |Falseundefined; 9.26/3.93 " 9.26/3.93 is transformed to 9.26/3.93 "undefined = undefined1; 9.26/3.93 " 9.26/3.93 "undefined0 True = undefined; 9.26/3.93 " 9.26/3.93 "undefined1 = undefined0 False; 9.26/3.93 " 9.26/3.93 9.26/3.93 ---------------------------------------- 9.26/3.93 9.26/3.93 (4) 9.26/3.93 Obligation: 9.26/3.93 mainModule Main 9.26/3.93 module Main where { 9.26/3.93 import qualified Prelude; 9.26/3.93 } 9.26/3.93 9.26/3.93 ---------------------------------------- 9.26/3.93 9.26/3.93 (5) Narrow (SOUND) 9.26/3.93 Haskell To QDPs 9.26/3.93 9.26/3.93 digraph dp_graph { 9.26/3.93 node [outthreshold=100, inthreshold=100];1[label="any",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 9.26/3.93 3[label="any vx3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 9.26/3.93 4[label="any vx3 vx4",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 9.26/3.93 5[label="or . map vx3",fontsize=16,color="black",shape="box"];5 -> 6[label="",style="solid", color="black", weight=3]; 9.26/3.93 6[label="or (map vx3 vx4)",fontsize=16,color="black",shape="box"];6 -> 7[label="",style="solid", color="black", weight=3]; 9.26/3.93 7[label="foldr (||) False (map vx3 vx4)",fontsize=16,color="burlywood",shape="triangle"];28[label="vx4/vx40 : vx41",fontsize=10,color="white",style="solid",shape="box"];7 -> 28[label="",style="solid", color="burlywood", weight=9]; 9.26/3.93 28 -> 8[label="",style="solid", color="burlywood", weight=3]; 9.26/3.93 29[label="vx4/[]",fontsize=10,color="white",style="solid",shape="box"];7 -> 29[label="",style="solid", color="burlywood", weight=9]; 9.26/3.93 29 -> 9[label="",style="solid", color="burlywood", weight=3]; 9.26/3.93 8[label="foldr (||) False (map vx3 (vx40 : vx41))",fontsize=16,color="black",shape="box"];8 -> 10[label="",style="solid", color="black", weight=3]; 9.26/3.93 9[label="foldr (||) False (map vx3 [])",fontsize=16,color="black",shape="box"];9 -> 11[label="",style="solid", color="black", weight=3]; 9.26/3.93 10[label="foldr (||) False (vx3 vx40 : map vx3 vx41)",fontsize=16,color="black",shape="box"];10 -> 12[label="",style="solid", color="black", weight=3]; 9.26/3.93 11[label="foldr (||) False []",fontsize=16,color="black",shape="box"];11 -> 13[label="",style="solid", color="black", weight=3]; 9.26/3.93 12 -> 17[label="",style="dashed", color="red", weight=0]; 9.26/3.93 12[label="(||) vx3 vx40 foldr (||) False (map vx3 vx41)",fontsize=16,color="magenta"];12 -> 18[label="",style="dashed", color="magenta", weight=3]; 9.26/3.93 12 -> 19[label="",style="dashed", color="magenta", weight=3]; 9.26/3.93 13[label="False",fontsize=16,color="green",shape="box"];18[label="vx3 vx40",fontsize=16,color="green",shape="box"];18 -> 21[label="",style="dashed", color="green", weight=3]; 9.26/3.93 19 -> 7[label="",style="dashed", color="red", weight=0]; 9.26/3.93 19[label="foldr (||) False (map vx3 vx41)",fontsize=16,color="magenta"];19 -> 22[label="",style="dashed", color="magenta", weight=3]; 9.26/3.93 17[label="(||) vx6 vx5",fontsize=16,color="burlywood",shape="triangle"];30[label="vx6/False",fontsize=10,color="white",style="solid",shape="box"];17 -> 30[label="",style="solid", color="burlywood", weight=9]; 9.26/3.93 30 -> 23[label="",style="solid", color="burlywood", weight=3]; 9.26/3.93 31[label="vx6/True",fontsize=10,color="white",style="solid",shape="box"];17 -> 31[label="",style="solid", color="burlywood", weight=9]; 9.26/3.93 31 -> 24[label="",style="solid", color="burlywood", weight=3]; 9.26/3.93 21[label="vx40",fontsize=16,color="green",shape="box"];22[label="vx41",fontsize=16,color="green",shape="box"];23[label="(||) False vx5",fontsize=16,color="black",shape="box"];23 -> 26[label="",style="solid", color="black", weight=3]; 9.26/3.93 24[label="(||) True vx5",fontsize=16,color="black",shape="box"];24 -> 27[label="",style="solid", color="black", weight=3]; 9.26/3.93 26[label="vx5",fontsize=16,color="green",shape="box"];27[label="True",fontsize=16,color="green",shape="box"];} 9.26/3.93 9.26/3.93 ---------------------------------------- 9.26/3.93 9.26/3.93 (6) 9.26/3.93 Obligation: 9.26/3.93 Q DP problem: 9.26/3.93 The TRS P consists of the following rules: 9.26/3.93 9.26/3.93 new_foldr(vx3, :(vx40, vx41), h) -> new_foldr(vx3, vx41, h) 9.26/3.93 9.26/3.93 R is empty. 9.26/3.93 Q is empty. 9.26/3.93 We have to consider all minimal (P,Q,R)-chains. 9.26/3.93 ---------------------------------------- 9.26/3.93 9.26/3.93 (7) QDPSizeChangeProof (EQUIVALENT) 9.26/3.93 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. 9.26/3.93 9.26/3.93 From the DPs we obtained the following set of size-change graphs: 9.26/3.93 *new_foldr(vx3, :(vx40, vx41), h) -> new_foldr(vx3, vx41, h) 9.26/3.93 The graph contains the following edges 1 >= 1, 2 > 2, 3 >= 3 9.26/3.93 9.26/3.93 9.26/3.93 ---------------------------------------- 9.26/3.93 9.26/3.93 (8) 9.26/3.93 YES 9.26/3.97 EOF