7.75/3.52 YES 9.23/3.94 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 9.23/3.94 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.23/3.94 9.23/3.94 9.23/3.94 H-Termination with start terms of the given HASKELL could be proven: 9.23/3.94 9.23/3.94 (0) HASKELL 9.23/3.94 (1) BR [EQUIVALENT, 0 ms] 9.23/3.94 (2) HASKELL 9.23/3.94 (3) COR [EQUIVALENT, 0 ms] 9.23/3.94 (4) HASKELL 9.23/3.94 (5) Narrow [SOUND, 0 ms] 9.23/3.94 (6) QDP 9.23/3.94 (7) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.23/3.94 (8) YES 9.23/3.94 9.23/3.94 9.23/3.94 ---------------------------------------- 9.23/3.94 9.23/3.94 (0) 9.23/3.94 Obligation: 9.23/3.94 mainModule Main 9.23/3.94 module Main where { 9.23/3.94 import qualified Prelude; 9.23/3.94 } 9.23/3.94 9.23/3.94 ---------------------------------------- 9.23/3.94 9.23/3.94 (1) BR (EQUIVALENT) 9.23/3.94 Replaced joker patterns by fresh variables and removed binding patterns. 9.23/3.94 ---------------------------------------- 9.23/3.94 9.23/3.94 (2) 9.23/3.94 Obligation: 9.23/3.94 mainModule Main 9.23/3.94 module Main where { 9.23/3.94 import qualified Prelude; 9.23/3.94 } 9.23/3.94 9.23/3.94 ---------------------------------------- 9.23/3.94 9.23/3.94 (3) COR (EQUIVALENT) 9.23/3.94 Cond Reductions: 9.23/3.94 The following Function with conditions 9.23/3.94 "undefined |Falseundefined; 9.23/3.94 " 9.23/3.94 is transformed to 9.23/3.94 "undefined = undefined1; 9.23/3.94 " 9.23/3.94 "undefined0 True = undefined; 9.23/3.94 " 9.23/3.94 "undefined1 = undefined0 False; 9.23/3.94 " 9.23/3.94 9.23/3.94 ---------------------------------------- 9.23/3.94 9.23/3.94 (4) 9.23/3.94 Obligation: 9.23/3.94 mainModule Main 9.23/3.94 module Main where { 9.23/3.94 import qualified Prelude; 9.23/3.94 } 9.23/3.94 9.23/3.94 ---------------------------------------- 9.23/3.94 9.23/3.94 (5) Narrow (SOUND) 9.23/3.94 Haskell To QDPs 9.23/3.94 9.23/3.94 digraph dp_graph { 9.23/3.94 node [outthreshold=100, inthreshold=100];1[label="all",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 9.23/3.94 3[label="all vx3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 9.23/3.94 4[label="all vx3 vx4",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 9.23/3.94 5[label="and . map vx3",fontsize=16,color="black",shape="box"];5 -> 6[label="",style="solid", color="black", weight=3]; 9.23/3.94 6[label="and (map vx3 vx4)",fontsize=16,color="black",shape="box"];6 -> 7[label="",style="solid", color="black", weight=3]; 9.23/3.94 7[label="foldr (&&) True (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]; 9.23/3.94 28 -> 8[label="",style="solid", color="burlywood", weight=3]; 9.23/3.94 29[label="vx4/[]",fontsize=10,color="white",style="solid",shape="box"];7 -> 29[label="",style="solid", color="burlywood", weight=9]; 9.23/3.94 29 -> 9[label="",style="solid", color="burlywood", weight=3]; 9.23/3.94 8[label="foldr (&&) True (map vx3 (vx40 : vx41))",fontsize=16,color="black",shape="box"];8 -> 10[label="",style="solid", color="black", weight=3]; 9.23/3.94 9[label="foldr (&&) True (map vx3 [])",fontsize=16,color="black",shape="box"];9 -> 11[label="",style="solid", color="black", weight=3]; 9.23/3.94 10[label="foldr (&&) True (vx3 vx40 : map vx3 vx41)",fontsize=16,color="black",shape="box"];10 -> 12[label="",style="solid", color="black", weight=3]; 9.23/3.94 11[label="foldr (&&) True []",fontsize=16,color="black",shape="box"];11 -> 13[label="",style="solid", color="black", weight=3]; 9.23/3.94 12 -> 17[label="",style="dashed", color="red", weight=0]; 9.23/3.94 12[label="(&&) vx3 vx40 foldr (&&) True (map vx3 vx41)",fontsize=16,color="magenta"];12 -> 18[label="",style="dashed", color="magenta", weight=3]; 9.23/3.94 12 -> 19[label="",style="dashed", color="magenta", weight=3]; 9.23/3.94 13[label="True",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]; 9.23/3.94 19 -> 7[label="",style="dashed", color="red", weight=0]; 9.23/3.94 19[label="foldr (&&) True (map vx3 vx41)",fontsize=16,color="magenta"];19 -> 22[label="",style="dashed", color="magenta", weight=3]; 9.23/3.94 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]; 9.23/3.94 30 -> 23[label="",style="solid", color="burlywood", weight=3]; 9.23/3.94 31[label="vx6/True",fontsize=10,color="white",style="solid",shape="box"];17 -> 31[label="",style="solid", color="burlywood", weight=9]; 9.23/3.94 31 -> 24[label="",style="solid", color="burlywood", weight=3]; 9.23/3.94 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]; 9.23/3.94 24[label="(&&) True vx5",fontsize=16,color="black",shape="box"];24 -> 27[label="",style="solid", color="black", weight=3]; 9.23/3.94 26[label="False",fontsize=16,color="green",shape="box"];27[label="vx5",fontsize=16,color="green",shape="box"];} 9.23/3.94 9.23/3.94 ---------------------------------------- 9.23/3.94 9.23/3.94 (6) 9.23/3.94 Obligation: 9.23/3.94 Q DP problem: 9.23/3.94 The TRS P consists of the following rules: 9.23/3.94 9.23/3.94 new_foldr(vx3, :(vx40, vx41), h) -> new_foldr(vx3, vx41, h) 9.23/3.94 9.23/3.94 R is empty. 9.23/3.94 Q is empty. 9.23/3.94 We have to consider all minimal (P,Q,R)-chains. 9.23/3.94 ---------------------------------------- 9.23/3.94 9.23/3.94 (7) QDPSizeChangeProof (EQUIVALENT) 9.23/3.94 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. 9.23/3.94 9.23/3.94 From the DPs we obtained the following set of size-change graphs: 9.23/3.94 *new_foldr(vx3, :(vx40, vx41), h) -> new_foldr(vx3, vx41, h) 9.23/3.94 The graph contains the following edges 1 >= 1, 2 > 2, 3 >= 3 9.23/3.94 9.23/3.94 9.23/3.94 ---------------------------------------- 9.23/3.94 9.23/3.94 (8) 9.23/3.94 YES 9.30/4.00 EOF