7.75/3.53 YES 9.93/4.10 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 9.93/4.10 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.93/4.10 9.93/4.10 9.93/4.10 H-Termination with start terms of the given HASKELL could be proven: 9.93/4.10 9.93/4.10 (0) HASKELL 9.93/4.10 (1) LR [EQUIVALENT, 0 ms] 9.93/4.10 (2) HASKELL 9.93/4.10 (3) BR [EQUIVALENT, 0 ms] 9.93/4.10 (4) HASKELL 9.93/4.10 (5) COR [EQUIVALENT, 0 ms] 9.93/4.10 (6) HASKELL 9.93/4.10 (7) Narrow [SOUND, 0 ms] 9.93/4.10 (8) QDP 9.93/4.10 (9) QDPSizeChangeProof [EQUIVALENT, 0 ms] 9.93/4.10 (10) YES 9.93/4.10 9.93/4.10 9.93/4.10 ---------------------------------------- 9.93/4.10 9.93/4.10 (0) 9.93/4.10 Obligation: 9.93/4.10 mainModule Main 9.93/4.10 module Main where { 9.93/4.10 import qualified Prelude; 9.93/4.10 } 9.93/4.10 9.93/4.10 ---------------------------------------- 9.93/4.10 9.93/4.10 (1) LR (EQUIVALENT) 9.93/4.10 Lambda Reductions: 9.93/4.10 The following Lambda expression 9.93/4.10 "\_->q" 9.93/4.10 is transformed to 9.93/4.10 "gtGt0 q _ = q; 9.93/4.10 " 9.93/4.10 9.93/4.10 ---------------------------------------- 9.93/4.10 9.93/4.10 (2) 9.93/4.10 Obligation: 9.93/4.10 mainModule Main 9.93/4.10 module Main where { 9.93/4.10 import qualified Prelude; 9.93/4.10 } 9.93/4.10 9.93/4.10 ---------------------------------------- 9.93/4.10 9.93/4.10 (3) BR (EQUIVALENT) 9.93/4.10 Replaced joker patterns by fresh variables and removed binding patterns. 9.93/4.10 ---------------------------------------- 9.93/4.10 9.93/4.10 (4) 9.93/4.10 Obligation: 9.93/4.10 mainModule Main 9.93/4.10 module Main where { 9.93/4.10 import qualified Prelude; 9.93/4.10 } 9.93/4.10 9.93/4.10 ---------------------------------------- 9.93/4.10 9.93/4.10 (5) COR (EQUIVALENT) 9.93/4.10 Cond Reductions: 9.93/4.10 The following Function with conditions 9.93/4.10 "undefined |Falseundefined; 9.93/4.10 " 9.93/4.10 is transformed to 9.93/4.10 "undefined = undefined1; 9.93/4.10 " 9.93/4.10 "undefined0 True = undefined; 9.93/4.10 " 9.93/4.10 "undefined1 = undefined0 False; 9.93/4.10 " 9.93/4.10 9.93/4.10 ---------------------------------------- 9.93/4.10 9.93/4.10 (6) 9.93/4.10 Obligation: 9.93/4.10 mainModule Main 9.93/4.10 module Main where { 9.93/4.10 import qualified Prelude; 9.93/4.10 } 9.93/4.10 9.93/4.10 ---------------------------------------- 9.93/4.10 9.93/4.10 (7) Narrow (SOUND) 9.93/4.10 Haskell To QDPs 9.93/4.10 9.93/4.10 digraph dp_graph { 9.93/4.10 node [outthreshold=100, inthreshold=100];1[label="sequence_",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 9.93/4.10 3[label="sequence_ vy3",fontsize=16,color="black",shape="triangle"];3 -> 4[label="",style="solid", color="black", weight=3]; 9.93/4.10 4[label="foldr (>>) (return ()) vy3",fontsize=16,color="burlywood",shape="triangle"];19[label="vy3/vy30 : vy31",fontsize=10,color="white",style="solid",shape="box"];4 -> 19[label="",style="solid", color="burlywood", weight=9]; 9.93/4.10 19 -> 5[label="",style="solid", color="burlywood", weight=3]; 9.93/4.10 20[label="vy3/[]",fontsize=10,color="white",style="solid",shape="box"];4 -> 20[label="",style="solid", color="burlywood", weight=9]; 9.93/4.10 20 -> 6[label="",style="solid", color="burlywood", weight=3]; 9.93/4.10 5[label="foldr (>>) (return ()) (vy30 : vy31)",fontsize=16,color="black",shape="box"];5 -> 7[label="",style="solid", color="black", weight=3]; 9.93/4.10 6[label="foldr (>>) (return ()) []",fontsize=16,color="black",shape="box"];6 -> 8[label="",style="solid", color="black", weight=3]; 9.93/4.10 7 -> 9[label="",style="dashed", color="red", weight=0]; 9.93/4.10 7[label="(>>) vy30 foldr (>>) (return ()) vy31",fontsize=16,color="magenta"];7 -> 10[label="",style="dashed", color="magenta", weight=3]; 9.93/4.10 8[label="return ()",fontsize=16,color="black",shape="box"];8 -> 11[label="",style="solid", color="black", weight=3]; 9.93/4.10 10 -> 4[label="",style="dashed", color="red", weight=0]; 9.93/4.10 10[label="foldr (>>) (return ()) vy31",fontsize=16,color="magenta"];10 -> 12[label="",style="dashed", color="magenta", weight=3]; 9.93/4.10 9[label="(>>) vy30 vy4",fontsize=16,color="black",shape="triangle"];9 -> 13[label="",style="solid", color="black", weight=3]; 9.93/4.10 11[label="Just ()",fontsize=16,color="green",shape="box"];12[label="vy31",fontsize=16,color="green",shape="box"];13[label="vy30 >>= gtGt0 vy4",fontsize=16,color="burlywood",shape="box"];21[label="vy30/Nothing",fontsize=10,color="white",style="solid",shape="box"];13 -> 21[label="",style="solid", color="burlywood", weight=9]; 9.93/4.10 21 -> 14[label="",style="solid", color="burlywood", weight=3]; 9.93/4.10 22[label="vy30/Just vy300",fontsize=10,color="white",style="solid",shape="box"];13 -> 22[label="",style="solid", color="burlywood", weight=9]; 9.93/4.10 22 -> 15[label="",style="solid", color="burlywood", weight=3]; 9.93/4.10 14[label="Nothing >>= gtGt0 vy4",fontsize=16,color="black",shape="box"];14 -> 16[label="",style="solid", color="black", weight=3]; 9.93/4.10 15[label="Just vy300 >>= gtGt0 vy4",fontsize=16,color="black",shape="box"];15 -> 17[label="",style="solid", color="black", weight=3]; 9.93/4.10 16[label="Nothing",fontsize=16,color="green",shape="box"];17[label="gtGt0 vy4 vy300",fontsize=16,color="black",shape="box"];17 -> 18[label="",style="solid", color="black", weight=3]; 9.93/4.10 18[label="vy4",fontsize=16,color="green",shape="box"];} 9.93/4.10 9.93/4.10 ---------------------------------------- 9.93/4.10 9.93/4.10 (8) 9.93/4.10 Obligation: 9.93/4.10 Q DP problem: 9.93/4.10 The TRS P consists of the following rules: 9.93/4.10 9.93/4.10 new_foldr(:(vy30, vy31), h) -> new_foldr(vy31, h) 9.93/4.10 9.93/4.10 R is empty. 9.93/4.10 Q is empty. 9.93/4.10 We have to consider all minimal (P,Q,R)-chains. 9.93/4.10 ---------------------------------------- 9.93/4.10 9.93/4.10 (9) QDPSizeChangeProof (EQUIVALENT) 9.93/4.10 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. 9.93/4.10 9.93/4.10 From the DPs we obtained the following set of size-change graphs: 9.93/4.10 *new_foldr(:(vy30, vy31), h) -> new_foldr(vy31, h) 9.93/4.10 The graph contains the following edges 1 > 1, 2 >= 2 9.93/4.10 9.93/4.10 9.93/4.10 ---------------------------------------- 9.93/4.10 9.93/4.10 (10) 9.93/4.10 YES 9.93/4.15 EOF