9.09/4.69 YES 10.81/5.15 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 10.81/5.15 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 10.81/5.15 10.81/5.15 10.81/5.15 H-Termination with start terms of the given HASKELL could be proven: 10.81/5.15 10.81/5.15 (0) HASKELL 10.81/5.15 (1) BR [EQUIVALENT, 0 ms] 10.81/5.15 (2) HASKELL 10.81/5.15 (3) COR [EQUIVALENT, 0 ms] 10.81/5.15 (4) HASKELL 10.81/5.15 (5) Narrow [EQUIVALENT, 17 ms] 10.81/5.15 (6) YES 10.81/5.15 10.81/5.15 10.81/5.15 ---------------------------------------- 10.81/5.15 10.81/5.15 (0) 10.81/5.15 Obligation: 10.81/5.15 mainModule Main 10.81/5.15 module Maybe where { 10.81/5.15 import qualified Main; 10.81/5.15 import qualified Monad; 10.81/5.15 import qualified Prelude; 10.81/5.15 } 10.81/5.15 module Main where { 10.81/5.15 import qualified Maybe; 10.81/5.15 import qualified Monad; 10.81/5.15 import qualified Prelude; 10.81/5.15 } 10.81/5.15 module Monad where { 10.81/5.15 import qualified Main; 10.81/5.15 import qualified Maybe; 10.81/5.15 import qualified Prelude; 10.81/5.15 class Monad a => MonadPlus a where { 10.81/5.15 mzero :: MonadPlus a => a b; 10.81/5.15 } 10.81/5.15 instance MonadPlus Maybe where { 10.81/5.15 } 10.81/5.15 instance MonadPlus [] where { 10.81/5.15 mzero = []; 10.81/5.15 } 10.81/5.15 guard :: MonadPlus a => Bool -> a (); 10.81/5.15 guard True = return (); 10.81/5.15 guard False = mzero; 10.81/5.15 10.81/5.15 } 10.81/5.15 10.81/5.15 ---------------------------------------- 10.81/5.15 10.81/5.15 (1) BR (EQUIVALENT) 10.81/5.15 Replaced joker patterns by fresh variables and removed binding patterns. 10.81/5.18 ---------------------------------------- 10.81/5.18 10.81/5.18 (2) 10.81/5.18 Obligation: 10.81/5.18 mainModule Main 10.81/5.18 module Maybe where { 10.81/5.18 import qualified Main; 10.81/5.18 import qualified Monad; 10.81/5.18 import qualified Prelude; 10.81/5.18 } 10.81/5.18 module Main where { 10.81/5.18 import qualified Maybe; 10.81/5.18 import qualified Monad; 10.81/5.18 import qualified Prelude; 10.81/5.18 } 10.81/5.18 module Monad where { 10.81/5.18 import qualified Main; 10.81/5.18 import qualified Maybe; 10.81/5.18 import qualified Prelude; 10.81/5.18 class Monad a => MonadPlus a where { 10.81/5.18 mzero :: MonadPlus a => a b; 10.81/5.18 } 10.81/5.18 instance MonadPlus Maybe where { 10.81/5.18 } 10.81/5.18 instance MonadPlus [] where { 10.81/5.18 mzero = []; 10.81/5.18 } 10.81/5.18 guard :: MonadPlus a => Bool -> a (); 10.81/5.18 guard True = return (); 10.81/5.18 guard False = mzero; 10.81/5.18 10.81/5.18 } 10.81/5.18 10.81/5.18 ---------------------------------------- 10.81/5.18 10.81/5.18 (3) COR (EQUIVALENT) 10.81/5.18 Cond Reductions: 10.81/5.18 The following Function with conditions 10.81/5.18 "undefined |Falseundefined; 10.81/5.18 " 10.81/5.18 is transformed to 10.81/5.18 "undefined = undefined1; 10.81/5.18 " 10.81/5.18 "undefined0 True = undefined; 10.81/5.18 " 10.81/5.18 "undefined1 = undefined0 False; 10.81/5.18 " 10.81/5.18 10.81/5.18 ---------------------------------------- 10.81/5.18 10.81/5.18 (4) 10.81/5.18 Obligation: 10.81/5.18 mainModule Main 10.81/5.18 module Maybe where { 10.81/5.18 import qualified Main; 10.81/5.18 import qualified Monad; 10.81/5.18 import qualified Prelude; 10.81/5.18 } 10.81/5.18 module Main where { 10.81/5.18 import qualified Maybe; 10.81/5.18 import qualified Monad; 10.81/5.18 import qualified Prelude; 10.81/5.18 } 10.81/5.18 module Monad where { 10.81/5.18 import qualified Main; 10.81/5.18 import qualified Maybe; 10.81/5.18 import qualified Prelude; 10.81/5.18 class Monad a => MonadPlus a where { 10.81/5.18 mzero :: MonadPlus a => a b; 10.81/5.18 } 10.81/5.18 instance MonadPlus Maybe where { 10.81/5.18 } 10.81/5.18 instance MonadPlus [] where { 10.81/5.18 mzero = []; 10.81/5.18 } 10.81/5.18 guard :: MonadPlus a => Bool -> a (); 10.81/5.18 guard True = return (); 10.81/5.18 guard False = mzero; 10.81/5.18 10.81/5.18 } 10.81/5.18 10.81/5.18 ---------------------------------------- 10.81/5.18 10.81/5.18 (5) Narrow (EQUIVALENT) 10.81/5.18 Haskell To QDPs 10.81/5.18 10.81/5.18 digraph dp_graph { 10.81/5.18 node [outthreshold=100, inthreshold=100];1[label="Monad.guard",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 10.81/5.18 3[label="Monad.guard vy3",fontsize=16,color="burlywood",shape="triangle"];10[label="vy3/False",fontsize=10,color="white",style="solid",shape="box"];3 -> 10[label="",style="solid", color="burlywood", weight=9]; 10.81/5.18 10 -> 4[label="",style="solid", color="burlywood", weight=3]; 10.81/5.18 11[label="vy3/True",fontsize=10,color="white",style="solid",shape="box"];3 -> 11[label="",style="solid", color="burlywood", weight=9]; 10.81/5.18 11 -> 5[label="",style="solid", color="burlywood", weight=3]; 10.81/5.18 4[label="Monad.guard False",fontsize=16,color="black",shape="box"];4 -> 6[label="",style="solid", color="black", weight=3]; 10.81/5.18 5[label="Monad.guard True",fontsize=16,color="black",shape="box"];5 -> 7[label="",style="solid", color="black", weight=3]; 10.81/5.18 6[label="Monad.mzero",fontsize=16,color="black",shape="box"];6 -> 8[label="",style="solid", color="black", weight=3]; 10.81/5.18 7[label="return ()",fontsize=16,color="black",shape="box"];7 -> 9[label="",style="solid", color="black", weight=3]; 10.81/5.18 8[label="[]",fontsize=16,color="green",shape="box"];9[label="() : []",fontsize=16,color="green",shape="box"];} 10.81/5.18 10.81/5.18 ---------------------------------------- 10.81/5.18 10.81/5.18 (6) 10.81/5.18 YES 10.81/5.19 EOF