8.01/3.49 YES 9.86/4.00 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 9.86/4.00 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.86/4.00 9.86/4.00 9.86/4.00 H-Termination with start terms of the given HASKELL could be proven: 9.86/4.00 9.86/4.00 (0) HASKELL 9.86/4.00 (1) LR [EQUIVALENT, 0 ms] 9.86/4.00 (2) HASKELL 9.86/4.00 (3) BR [EQUIVALENT, 0 ms] 9.86/4.00 (4) HASKELL 9.86/4.00 (5) COR [EQUIVALENT, 0 ms] 9.86/4.00 (6) HASKELL 9.86/4.00 (7) Narrow [SOUND, 0 ms] 9.86/4.00 (8) QDP 9.86/4.00 (9) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.86/4.00 (10) YES 9.86/4.00 9.86/4.00 9.86/4.00 ---------------------------------------- 9.86/4.00 9.86/4.00 (0) 9.86/4.00 Obligation: 9.86/4.00 mainModule Main 9.86/4.00 module Main where { 9.86/4.00 import qualified Prelude; 9.86/4.00 } 9.86/4.00 9.86/4.00 ---------------------------------------- 9.86/4.00 9.86/4.00 (1) LR (EQUIVALENT) 9.86/4.00 Lambda Reductions: 9.86/4.00 The following Lambda expression 9.86/4.00 "\ab->(a,b)" 9.86/4.00 is transformed to 9.86/4.00 "zip0 a b = (a,b); 9.86/4.00 " 9.86/4.00 9.86/4.00 ---------------------------------------- 9.86/4.00 9.86/4.00 (2) 9.86/4.00 Obligation: 9.86/4.00 mainModule Main 9.86/4.00 module Main where { 9.86/4.00 import qualified Prelude; 9.86/4.00 } 9.86/4.00 9.86/4.00 ---------------------------------------- 9.86/4.00 9.86/4.00 (3) BR (EQUIVALENT) 9.86/4.00 Replaced joker patterns by fresh variables and removed binding patterns. 9.86/4.00 ---------------------------------------- 9.86/4.00 9.86/4.00 (4) 9.86/4.00 Obligation: 9.86/4.00 mainModule Main 9.86/4.00 module Main where { 9.86/4.00 import qualified Prelude; 9.86/4.00 } 9.86/4.00 9.86/4.00 ---------------------------------------- 9.86/4.00 9.86/4.00 (5) COR (EQUIVALENT) 9.86/4.00 Cond Reductions: 9.86/4.00 The following Function with conditions 9.86/4.00 "undefined |Falseundefined; 9.86/4.00 " 9.86/4.00 is transformed to 9.86/4.00 "undefined = undefined1; 9.86/4.00 " 9.86/4.00 "undefined0 True = undefined; 9.86/4.00 " 9.86/4.00 "undefined1 = undefined0 False; 9.86/4.00 " 9.86/4.00 9.86/4.00 ---------------------------------------- 9.86/4.00 9.86/4.00 (6) 9.86/4.00 Obligation: 9.86/4.00 mainModule Main 9.86/4.00 module Main where { 9.86/4.00 import qualified Prelude; 9.86/4.00 } 9.86/4.00 9.86/4.00 ---------------------------------------- 9.86/4.00 9.86/4.00 (7) Narrow (SOUND) 9.86/4.00 Haskell To QDPs 9.86/4.00 9.86/4.00 digraph dp_graph { 9.86/4.00 node [outthreshold=100, inthreshold=100];1[label="zip",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 9.86/4.00 3[label="zip wu3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 9.86/4.00 4[label="zip wu3 wu4",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 9.86/4.00 5[label="zipWith zip0 wu3 wu4",fontsize=16,color="burlywood",shape="triangle"];18[label="wu3/wu30 : wu31",fontsize=10,color="white",style="solid",shape="box"];5 -> 18[label="",style="solid", color="burlywood", weight=9]; 9.86/4.00 18 -> 6[label="",style="solid", color="burlywood", weight=3]; 9.86/4.00 19[label="wu3/[]",fontsize=10,color="white",style="solid",shape="box"];5 -> 19[label="",style="solid", color="burlywood", weight=9]; 9.86/4.00 19 -> 7[label="",style="solid", color="burlywood", weight=3]; 9.86/4.00 6[label="zipWith zip0 (wu30 : wu31) wu4",fontsize=16,color="burlywood",shape="box"];20[label="wu4/wu40 : wu41",fontsize=10,color="white",style="solid",shape="box"];6 -> 20[label="",style="solid", color="burlywood", weight=9]; 9.86/4.00 20 -> 8[label="",style="solid", color="burlywood", weight=3]; 9.86/4.00 21[label="wu4/[]",fontsize=10,color="white",style="solid",shape="box"];6 -> 21[label="",style="solid", color="burlywood", weight=9]; 9.86/4.00 21 -> 9[label="",style="solid", color="burlywood", weight=3]; 9.86/4.00 7[label="zipWith zip0 [] wu4",fontsize=16,color="black",shape="box"];7 -> 10[label="",style="solid", color="black", weight=3]; 9.86/4.00 8[label="zipWith zip0 (wu30 : wu31) (wu40 : wu41)",fontsize=16,color="black",shape="box"];8 -> 11[label="",style="solid", color="black", weight=3]; 9.86/4.00 9[label="zipWith zip0 (wu30 : wu31) []",fontsize=16,color="black",shape="box"];9 -> 12[label="",style="solid", color="black", weight=3]; 9.86/4.00 10[label="[]",fontsize=16,color="green",shape="box"];11[label="zip0 wu30 wu40 : zipWith zip0 wu31 wu41",fontsize=16,color="green",shape="box"];11 -> 13[label="",style="dashed", color="green", weight=3]; 9.86/4.00 11 -> 14[label="",style="dashed", color="green", weight=3]; 9.86/4.00 12[label="[]",fontsize=16,color="green",shape="box"];13[label="zip0 wu30 wu40",fontsize=16,color="black",shape="box"];13 -> 15[label="",style="solid", color="black", weight=3]; 9.86/4.00 14 -> 5[label="",style="dashed", color="red", weight=0]; 9.86/4.00 14[label="zipWith zip0 wu31 wu41",fontsize=16,color="magenta"];14 -> 16[label="",style="dashed", color="magenta", weight=3]; 9.86/4.00 14 -> 17[label="",style="dashed", color="magenta", weight=3]; 9.86/4.00 15[label="(wu30,wu40)",fontsize=16,color="green",shape="box"];16[label="wu41",fontsize=16,color="green",shape="box"];17[label="wu31",fontsize=16,color="green",shape="box"];} 9.86/4.00 9.86/4.00 ---------------------------------------- 9.86/4.00 9.86/4.00 (8) 9.86/4.00 Obligation: 9.86/4.00 Q DP problem: 9.86/4.00 The TRS P consists of the following rules: 9.86/4.00 9.86/4.00 new_zipWith(:(wu30, wu31), :(wu40, wu41), h, ba) -> new_zipWith(wu31, wu41, h, ba) 9.86/4.00 9.86/4.00 R is empty. 9.86/4.00 Q is empty. 9.86/4.00 We have to consider all minimal (P,Q,R)-chains. 9.86/4.00 ---------------------------------------- 9.86/4.00 9.86/4.00 (9) QDPSizeChangeProof (EQUIVALENT) 9.86/4.00 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. 9.86/4.00 9.86/4.00 From the DPs we obtained the following set of size-change graphs: 9.86/4.00 *new_zipWith(:(wu30, wu31), :(wu40, wu41), h, ba) -> new_zipWith(wu31, wu41, h, ba) 9.86/4.00 The graph contains the following edges 1 > 1, 2 > 2, 3 >= 3, 4 >= 4 9.86/4.00 9.86/4.00 9.86/4.00 ---------------------------------------- 9.86/4.00 9.86/4.00 (10) 9.86/4.00 YES 9.86/4.04 EOF