8.17/3.50 YES 9.89/4.01 proof of /export/starexec/sandbox2/benchmark/theBenchmark.hs 9.89/4.01 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.89/4.01 9.89/4.01 9.89/4.01 H-Termination with start terms of the given HASKELL could be proven: 9.89/4.01 9.89/4.01 (0) HASKELL 9.89/4.01 (1) LR [EQUIVALENT, 0 ms] 9.89/4.01 (2) HASKELL 9.89/4.01 (3) BR [EQUIVALENT, 0 ms] 9.89/4.01 (4) HASKELL 9.89/4.01 (5) COR [EQUIVALENT, 0 ms] 9.89/4.01 (6) HASKELL 9.89/4.01 (7) Narrow [SOUND, 0 ms] 9.89/4.01 (8) QDP 9.89/4.01 (9) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.89/4.01 (10) YES 9.89/4.01 9.89/4.01 9.89/4.01 ---------------------------------------- 9.89/4.01 9.89/4.01 (0) 9.89/4.01 Obligation: 9.89/4.01 mainModule Main 9.89/4.01 module Main where { 9.89/4.01 import qualified Prelude; 9.89/4.01 } 9.89/4.01 9.89/4.01 ---------------------------------------- 9.89/4.01 9.89/4.01 (1) LR (EQUIVALENT) 9.89/4.01 Lambda Reductions: 9.89/4.01 The following Lambda expression 9.89/4.01 "\_->q" 9.89/4.01 is transformed to 9.89/4.01 "gtGt0 q _ = q; 9.89/4.01 " 9.89/4.01 9.89/4.01 ---------------------------------------- 9.89/4.01 9.89/4.01 (2) 9.89/4.01 Obligation: 9.89/4.01 mainModule Main 9.89/4.01 module Main where { 9.89/4.01 import qualified Prelude; 9.89/4.01 } 9.89/4.01 9.89/4.01 ---------------------------------------- 9.89/4.01 9.89/4.01 (3) BR (EQUIVALENT) 9.89/4.01 Replaced joker patterns by fresh variables and removed binding patterns. 9.89/4.01 ---------------------------------------- 9.89/4.01 9.89/4.01 (4) 9.89/4.01 Obligation: 9.89/4.01 mainModule Main 9.89/4.01 module Main where { 9.89/4.01 import qualified Prelude; 9.89/4.01 } 9.89/4.01 9.89/4.01 ---------------------------------------- 9.89/4.01 9.89/4.01 (5) COR (EQUIVALENT) 9.89/4.01 Cond Reductions: 9.89/4.01 The following Function with conditions 9.89/4.01 "undefined |Falseundefined; 9.89/4.01 " 9.89/4.01 is transformed to 9.89/4.01 "undefined = undefined1; 9.89/4.01 " 9.89/4.01 "undefined0 True = undefined; 9.89/4.01 " 9.89/4.01 "undefined1 = undefined0 False; 9.89/4.01 " 9.89/4.01 9.89/4.01 ---------------------------------------- 9.89/4.01 9.89/4.01 (6) 9.89/4.01 Obligation: 9.89/4.01 mainModule Main 9.89/4.01 module Main where { 9.89/4.01 import qualified Prelude; 9.89/4.01 } 9.89/4.01 9.89/4.01 ---------------------------------------- 9.89/4.01 9.89/4.01 (7) Narrow (SOUND) 9.89/4.01 Haskell To QDPs 9.89/4.01 9.89/4.01 digraph dp_graph { 9.89/4.01 node [outthreshold=100, inthreshold=100];1[label="mapM_",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 9.89/4.01 3[label="mapM_ vy3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 9.89/4.01 4[label="mapM_ vy3 vy4",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 9.89/4.01 5[label="sequence_ . map vy3",fontsize=16,color="black",shape="box"];5 -> 6[label="",style="solid", color="black", weight=3]; 9.89/4.01 6[label="sequence_ (map vy3 vy4)",fontsize=16,color="black",shape="box"];6 -> 7[label="",style="solid", color="black", weight=3]; 9.89/4.01 7[label="foldr (>>) (return ()) (map vy3 vy4)",fontsize=16,color="burlywood",shape="triangle"];28[label="vy4/vy40 : vy41",fontsize=10,color="white",style="solid",shape="box"];7 -> 28[label="",style="solid", color="burlywood", weight=9]; 9.89/4.01 28 -> 8[label="",style="solid", color="burlywood", weight=3]; 9.89/4.01 29[label="vy4/[]",fontsize=10,color="white",style="solid",shape="box"];7 -> 29[label="",style="solid", color="burlywood", weight=9]; 9.89/4.01 29 -> 9[label="",style="solid", color="burlywood", weight=3]; 9.89/4.01 8[label="foldr (>>) (return ()) (map vy3 (vy40 : vy41))",fontsize=16,color="black",shape="box"];8 -> 10[label="",style="solid", color="black", weight=3]; 9.89/4.01 9[label="foldr (>>) (return ()) (map vy3 [])",fontsize=16,color="black",shape="box"];9 -> 11[label="",style="solid", color="black", weight=3]; 9.89/4.01 10[label="foldr (>>) (return ()) (vy3 vy40 : map vy3 vy41)",fontsize=16,color="black",shape="box"];10 -> 12[label="",style="solid", color="black", weight=3]; 9.89/4.01 11[label="foldr (>>) (return ()) []",fontsize=16,color="black",shape="box"];11 -> 13[label="",style="solid", color="black", weight=3]; 9.89/4.01 12 -> 14[label="",style="dashed", color="red", weight=0]; 9.89/4.01 12[label="(>>) vy3 vy40 foldr (>>) (return ()) (map vy3 vy41)",fontsize=16,color="magenta"];12 -> 15[label="",style="dashed", color="magenta", weight=3]; 9.89/4.01 13[label="return ()",fontsize=16,color="black",shape="box"];13 -> 16[label="",style="solid", color="black", weight=3]; 9.89/4.01 15 -> 7[label="",style="dashed", color="red", weight=0]; 9.89/4.01 15[label="foldr (>>) (return ()) (map vy3 vy41)",fontsize=16,color="magenta"];15 -> 17[label="",style="dashed", color="magenta", weight=3]; 9.89/4.01 14[label="(>>) vy3 vy40 vy5",fontsize=16,color="black",shape="triangle"];14 -> 18[label="",style="solid", color="black", weight=3]; 9.89/4.01 16[label="Just ()",fontsize=16,color="green",shape="box"];17[label="vy41",fontsize=16,color="green",shape="box"];18 -> 19[label="",style="dashed", color="red", weight=0]; 9.89/4.01 18[label="vy3 vy40 >>= gtGt0 vy5",fontsize=16,color="magenta"];18 -> 20[label="",style="dashed", color="magenta", weight=3]; 9.89/4.01 20[label="vy3 vy40",fontsize=16,color="green",shape="box"];20 -> 24[label="",style="dashed", color="green", weight=3]; 9.89/4.01 19[label="vy6 >>= gtGt0 vy5",fontsize=16,color="burlywood",shape="triangle"];30[label="vy6/Nothing",fontsize=10,color="white",style="solid",shape="box"];19 -> 30[label="",style="solid", color="burlywood", weight=9]; 9.89/4.01 30 -> 22[label="",style="solid", color="burlywood", weight=3]; 9.89/4.01 31[label="vy6/Just vy60",fontsize=10,color="white",style="solid",shape="box"];19 -> 31[label="",style="solid", color="burlywood", weight=9]; 9.89/4.01 31 -> 23[label="",style="solid", color="burlywood", weight=3]; 9.89/4.01 24[label="vy40",fontsize=16,color="green",shape="box"];22[label="Nothing >>= gtGt0 vy5",fontsize=16,color="black",shape="box"];22 -> 25[label="",style="solid", color="black", weight=3]; 9.89/4.01 23[label="Just vy60 >>= gtGt0 vy5",fontsize=16,color="black",shape="box"];23 -> 26[label="",style="solid", color="black", weight=3]; 9.89/4.01 25[label="Nothing",fontsize=16,color="green",shape="box"];26[label="gtGt0 vy5 vy60",fontsize=16,color="black",shape="box"];26 -> 27[label="",style="solid", color="black", weight=3]; 9.89/4.01 27[label="vy5",fontsize=16,color="green",shape="box"];} 9.89/4.01 9.89/4.01 ---------------------------------------- 9.89/4.01 9.89/4.01 (8) 9.89/4.01 Obligation: 9.89/4.01 Q DP problem: 9.89/4.01 The TRS P consists of the following rules: 9.89/4.01 9.89/4.01 new_foldr(vy3, :(vy40, vy41), h, ba) -> new_foldr(vy3, vy41, h, ba) 9.89/4.01 9.89/4.01 R is empty. 9.89/4.01 Q is empty. 9.89/4.01 We have to consider all minimal (P,Q,R)-chains. 9.89/4.01 ---------------------------------------- 9.89/4.01 9.89/4.01 (9) QDPSizeChangeProof (EQUIVALENT) 9.89/4.01 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. 9.89/4.01 9.89/4.01 From the DPs we obtained the following set of size-change graphs: 9.89/4.01 *new_foldr(vy3, :(vy40, vy41), h, ba) -> new_foldr(vy3, vy41, h, ba) 9.89/4.01 The graph contains the following edges 1 >= 1, 2 > 2, 3 >= 3, 4 >= 4 9.89/4.01 9.89/4.01 9.89/4.01 ---------------------------------------- 9.89/4.01 9.89/4.01 (10) 9.89/4.01 YES 10.07/4.05 EOF