9.92/4.38 YES 11.55/4.86 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 11.55/4.86 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 11.55/4.86 11.55/4.86 11.55/4.86 H-Termination with start terms of the given HASKELL could be proven: 11.55/4.86 11.55/4.86 (0) HASKELL 11.55/4.86 (1) BR [EQUIVALENT, 0 ms] 11.55/4.86 (2) HASKELL 11.55/4.86 (3) COR [EQUIVALENT, 0 ms] 11.55/4.86 (4) HASKELL 11.55/4.86 (5) Narrow [SOUND, 0 ms] 11.55/4.86 (6) QDP 11.55/4.86 (7) QDPSizeChangeProof [EQUIVALENT, 0 ms] 11.55/4.86 (8) YES 11.55/4.86 11.55/4.86 11.55/4.86 ---------------------------------------- 11.55/4.86 11.55/4.86 (0) 11.55/4.86 Obligation: 11.55/4.86 mainModule Main 11.55/4.86 module FiniteMap where { 11.55/4.86 import qualified Main; 11.55/4.86 import qualified Maybe; 11.55/4.86 import qualified Prelude; 11.55/4.86 data FiniteMap b a = EmptyFM | Branch b a Int (FiniteMap b a) (FiniteMap b a) ; 11.55/4.86 11.55/4.86 foldFM :: (a -> c -> b -> b) -> b -> FiniteMap a c -> b; 11.55/4.86 foldFM k z EmptyFM = z; 11.55/4.86 foldFM k z (Branch key elt _ fm_l fm_r) = foldFM k (k key elt (foldFM k z fm_r)) fm_l; 11.55/4.86 11.55/4.86 } 11.55/4.86 module Maybe where { 11.55/4.86 import qualified FiniteMap; 11.55/4.86 import qualified Main; 11.55/4.86 import qualified Prelude; 11.55/4.86 } 11.55/4.86 module Main where { 11.55/4.86 import qualified FiniteMap; 11.55/4.86 import qualified Maybe; 11.55/4.86 import qualified Prelude; 11.55/4.86 } 11.55/4.86 11.55/4.86 ---------------------------------------- 11.55/4.86 11.55/4.86 (1) BR (EQUIVALENT) 11.55/4.86 Replaced joker patterns by fresh variables and removed binding patterns. 11.55/4.86 ---------------------------------------- 11.55/4.86 11.55/4.86 (2) 11.55/4.86 Obligation: 11.55/4.86 mainModule Main 11.55/4.86 module FiniteMap where { 11.55/4.86 import qualified Main; 11.55/4.86 import qualified Maybe; 11.55/4.86 import qualified Prelude; 11.55/4.86 data FiniteMap b a = EmptyFM | Branch b a Int (FiniteMap b a) (FiniteMap b a) ; 11.55/4.86 11.55/4.86 foldFM :: (a -> b -> c -> c) -> c -> FiniteMap a b -> c; 11.55/4.86 foldFM k z EmptyFM = z; 11.55/4.86 foldFM k z (Branch key elt vy fm_l fm_r) = foldFM k (k key elt (foldFM k z fm_r)) fm_l; 11.55/4.86 11.55/4.86 } 11.55/4.86 module Maybe where { 11.55/4.86 import qualified FiniteMap; 11.55/4.86 import qualified Main; 11.55/4.86 import qualified Prelude; 11.55/4.86 } 11.55/4.86 module Main where { 11.55/4.86 import qualified FiniteMap; 11.55/4.86 import qualified Maybe; 11.55/4.86 import qualified Prelude; 11.55/4.86 } 11.55/4.86 11.55/4.86 ---------------------------------------- 11.55/4.86 11.55/4.86 (3) COR (EQUIVALENT) 11.55/4.86 Cond Reductions: 11.55/4.86 The following Function with conditions 11.55/4.86 "undefined |Falseundefined; 11.55/4.86 " 11.55/4.86 is transformed to 11.55/4.86 "undefined = undefined1; 11.55/4.86 " 11.55/4.86 "undefined0 True = undefined; 11.55/4.86 " 11.55/4.86 "undefined1 = undefined0 False; 11.55/4.86 " 11.55/4.86 11.55/4.86 ---------------------------------------- 11.55/4.86 11.55/4.86 (4) 11.55/4.86 Obligation: 11.55/4.86 mainModule Main 11.55/4.86 module FiniteMap where { 11.55/4.86 import qualified Main; 11.55/4.86 import qualified Maybe; 11.55/4.86 import qualified Prelude; 11.55/4.86 data FiniteMap b a = EmptyFM | Branch b a Int (FiniteMap b a) (FiniteMap b a) ; 11.55/4.86 11.55/4.86 foldFM :: (c -> a -> b -> b) -> b -> FiniteMap c a -> b; 11.55/4.86 foldFM k z EmptyFM = z; 11.55/4.86 foldFM k z (Branch key elt vy fm_l fm_r) = foldFM k (k key elt (foldFM k z fm_r)) fm_l; 11.55/4.86 11.55/4.86 } 11.55/4.86 module Maybe where { 11.55/4.86 import qualified FiniteMap; 11.55/4.86 import qualified Main; 11.55/4.86 import qualified Prelude; 11.55/4.86 } 11.55/4.86 module Main where { 11.55/4.86 import qualified FiniteMap; 11.55/4.86 import qualified Maybe; 11.55/4.86 import qualified Prelude; 11.55/4.86 } 11.55/4.86 11.55/4.86 ---------------------------------------- 11.55/4.86 11.55/4.86 (5) Narrow (SOUND) 11.55/4.86 Haskell To QDPs 11.55/4.86 11.55/4.86 digraph dp_graph { 11.55/4.86 node [outthreshold=100, inthreshold=100];1[label="FiniteMap.foldFM",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 11.55/4.86 3[label="FiniteMap.foldFM vz3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 11.55/4.86 4[label="FiniteMap.foldFM vz3 vz4",fontsize=16,color="grey",shape="box"];4 -> 5[label="",style="dashed", color="grey", weight=3]; 11.55/4.86 5[label="FiniteMap.foldFM vz3 vz4 vz5",fontsize=16,color="burlywood",shape="triangle"];16[label="vz5/FiniteMap.EmptyFM",fontsize=10,color="white",style="solid",shape="box"];5 -> 16[label="",style="solid", color="burlywood", weight=9]; 11.55/4.86 16 -> 6[label="",style="solid", color="burlywood", weight=3]; 11.55/4.86 17[label="vz5/FiniteMap.Branch vz50 vz51 vz52 vz53 vz54",fontsize=10,color="white",style="solid",shape="box"];5 -> 17[label="",style="solid", color="burlywood", weight=9]; 11.55/4.86 17 -> 7[label="",style="solid", color="burlywood", weight=3]; 11.55/4.86 6[label="FiniteMap.foldFM vz3 vz4 FiniteMap.EmptyFM",fontsize=16,color="black",shape="box"];6 -> 8[label="",style="solid", color="black", weight=3]; 11.55/4.86 7[label="FiniteMap.foldFM vz3 vz4 (FiniteMap.Branch vz50 vz51 vz52 vz53 vz54)",fontsize=16,color="black",shape="box"];7 -> 9[label="",style="solid", color="black", weight=3]; 11.55/4.86 8[label="vz4",fontsize=16,color="green",shape="box"];9 -> 5[label="",style="dashed", color="red", weight=0]; 11.55/4.86 9[label="FiniteMap.foldFM vz3 (vz3 vz50 vz51 (FiniteMap.foldFM vz3 vz4 vz54)) vz53",fontsize=16,color="magenta"];9 -> 10[label="",style="dashed", color="magenta", weight=3]; 11.55/4.86 9 -> 11[label="",style="dashed", color="magenta", weight=3]; 11.55/4.86 10[label="vz53",fontsize=16,color="green",shape="box"];11[label="vz3 vz50 vz51 (FiniteMap.foldFM vz3 vz4 vz54)",fontsize=16,color="green",shape="box"];11 -> 12[label="",style="dashed", color="green", weight=3]; 11.55/4.86 11 -> 13[label="",style="dashed", color="green", weight=3]; 11.55/4.86 11 -> 14[label="",style="dashed", color="green", weight=3]; 11.55/4.86 12[label="vz50",fontsize=16,color="green",shape="box"];13[label="vz51",fontsize=16,color="green",shape="box"];14 -> 5[label="",style="dashed", color="red", weight=0]; 11.55/4.86 14[label="FiniteMap.foldFM vz3 vz4 vz54",fontsize=16,color="magenta"];14 -> 15[label="",style="dashed", color="magenta", weight=3]; 11.55/4.86 15[label="vz54",fontsize=16,color="green",shape="box"];} 11.55/4.86 11.55/4.86 ---------------------------------------- 11.55/4.86 11.55/4.86 (6) 11.55/4.86 Obligation: 11.55/4.86 Q DP problem: 11.55/4.86 The TRS P consists of the following rules: 11.55/4.86 11.55/4.86 new_foldFM(vz3, Branch(vz50, vz51, vz52, vz53, vz54), h, ba, bb) -> new_foldFM(vz3, vz54, h, ba, bb) 11.55/4.86 new_foldFM(vz3, Branch(vz50, vz51, vz52, vz53, vz54), h, ba, bb) -> new_foldFM(vz3, vz53, h, ba, bb) 11.55/4.86 11.55/4.86 R is empty. 11.55/4.86 Q is empty. 11.55/4.86 We have to consider all minimal (P,Q,R)-chains. 11.55/4.86 ---------------------------------------- 11.55/4.86 11.55/4.86 (7) QDPSizeChangeProof (EQUIVALENT) 11.55/4.86 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. 11.55/4.86 11.55/4.86 From the DPs we obtained the following set of size-change graphs: 11.55/4.86 *new_foldFM(vz3, Branch(vz50, vz51, vz52, vz53, vz54), h, ba, bb) -> new_foldFM(vz3, vz54, h, ba, bb) 11.55/4.86 The graph contains the following edges 1 >= 1, 2 > 2, 3 >= 3, 4 >= 4, 5 >= 5 11.55/4.86 11.55/4.86 11.55/4.86 *new_foldFM(vz3, Branch(vz50, vz51, vz52, vz53, vz54), h, ba, bb) -> new_foldFM(vz3, vz53, h, ba, bb) 11.55/4.86 The graph contains the following edges 1 >= 1, 2 > 2, 3 >= 3, 4 >= 4, 5 >= 5 11.55/4.86 11.55/4.86 11.55/4.86 ---------------------------------------- 11.55/4.86 11.55/4.86 (8) 11.55/4.86 YES 11.69/4.90 EOF