8.71/3.89 YES 10.87/4.43 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 10.87/4.43 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 10.87/4.43 10.87/4.43 10.87/4.43 H-Termination with start terms of the given HASKELL could be proven: 10.87/4.43 10.87/4.43 (0) HASKELL 10.87/4.43 (1) IFR [EQUIVALENT, 0 ms] 10.87/4.43 (2) HASKELL 10.87/4.43 (3) BR [EQUIVALENT, 0 ms] 10.87/4.43 (4) HASKELL 10.87/4.43 (5) COR [EQUIVALENT, 0 ms] 10.87/4.43 (6) HASKELL 10.87/4.43 (7) Narrow [EQUIVALENT, 21 ms] 10.87/4.43 (8) YES 10.87/4.43 10.87/4.43 10.87/4.43 ---------------------------------------- 10.87/4.43 10.87/4.43 (0) 10.87/4.43 Obligation: 10.87/4.43 mainModule Main 10.87/4.43 module Maybe where { 10.87/4.43 import qualified Main; 10.87/4.43 import qualified Monad; 10.87/4.43 import qualified Prelude; 10.87/4.43 } 10.87/4.43 module Main where { 10.87/4.43 import qualified Maybe; 10.87/4.43 import qualified Monad; 10.87/4.43 import qualified Prelude; 10.87/4.43 } 10.87/4.43 module Monad where { 10.87/4.43 import qualified Main; 10.87/4.43 import qualified Maybe; 10.87/4.43 import qualified Prelude; 10.87/4.43 unless :: Monad a => Bool -> a () -> a (); 10.87/4.43 unless p s = if p then return () else s; 10.87/4.43 10.87/4.43 } 10.87/4.43 10.87/4.43 ---------------------------------------- 10.87/4.43 10.87/4.43 (1) IFR (EQUIVALENT) 10.87/4.43 If Reductions: 10.87/4.43 The following If expression 10.87/4.43 "if p then return () else s" 10.87/4.43 is transformed to 10.87/4.43 "unless0 s True = return (); 10.87/4.43 unless0 s False = s; 10.87/4.43 " 10.87/4.43 10.87/4.43 ---------------------------------------- 10.87/4.43 10.87/4.43 (2) 10.87/4.43 Obligation: 10.87/4.43 mainModule Main 10.87/4.43 module Maybe where { 10.87/4.43 import qualified Main; 10.87/4.43 import qualified Monad; 10.87/4.43 import qualified Prelude; 10.87/4.43 } 10.87/4.43 module Main where { 10.87/4.43 import qualified Maybe; 10.87/4.43 import qualified Monad; 10.87/4.43 import qualified Prelude; 10.87/4.43 } 10.87/4.43 module Monad where { 10.87/4.43 import qualified Main; 10.87/4.43 import qualified Maybe; 10.87/4.43 import qualified Prelude; 10.87/4.43 unless :: Monad a => Bool -> a () -> a (); 10.87/4.43 unless p s = unless0 s p; 10.87/4.43 10.87/4.43 unless0 s True = return (); 10.87/4.43 unless0 s False = s; 10.87/4.43 10.87/4.43 } 10.87/4.43 10.87/4.43 ---------------------------------------- 10.87/4.43 10.87/4.43 (3) BR (EQUIVALENT) 10.87/4.43 Replaced joker patterns by fresh variables and removed binding patterns. 10.87/4.43 ---------------------------------------- 10.87/4.43 10.87/4.43 (4) 10.87/4.43 Obligation: 10.87/4.43 mainModule Main 10.87/4.43 module Maybe where { 10.87/4.43 import qualified Main; 10.87/4.43 import qualified Monad; 10.87/4.43 import qualified Prelude; 10.87/4.43 } 10.87/4.43 module Main where { 10.87/4.43 import qualified Maybe; 10.87/4.43 import qualified Monad; 10.87/4.43 import qualified Prelude; 10.87/4.43 } 10.87/4.43 module Monad where { 10.87/4.43 import qualified Main; 10.87/4.43 import qualified Maybe; 10.87/4.43 import qualified Prelude; 10.87/4.43 unless :: Monad a => Bool -> a () -> a (); 10.87/4.43 unless p s = unless0 s p; 10.87/4.43 10.87/4.43 unless0 s True = return (); 10.87/4.43 unless0 s False = s; 10.87/4.43 10.87/4.43 } 10.87/4.43 10.87/4.43 ---------------------------------------- 10.87/4.43 10.87/4.43 (5) COR (EQUIVALENT) 10.87/4.43 Cond Reductions: 10.87/4.43 The following Function with conditions 10.87/4.43 "undefined |Falseundefined; 10.87/4.43 " 10.87/4.43 is transformed to 10.87/4.43 "undefined = undefined1; 10.87/4.43 " 10.87/4.43 "undefined0 True = undefined; 10.87/4.43 " 10.87/4.43 "undefined1 = undefined0 False; 10.87/4.43 " 10.87/4.43 10.87/4.43 ---------------------------------------- 10.87/4.43 10.87/4.43 (6) 10.87/4.43 Obligation: 10.87/4.43 mainModule Main 10.87/4.43 module Maybe where { 10.87/4.43 import qualified Main; 10.87/4.43 import qualified Monad; 10.87/4.43 import qualified Prelude; 10.87/4.43 } 10.87/4.43 module Main where { 10.87/4.43 import qualified Maybe; 10.87/4.43 import qualified Monad; 10.87/4.43 import qualified Prelude; 10.87/4.43 } 10.87/4.43 module Monad where { 10.87/4.43 import qualified Main; 10.87/4.43 import qualified Maybe; 10.87/4.43 import qualified Prelude; 10.87/4.43 unless :: Monad a => Bool -> a () -> a (); 10.87/4.43 unless p s = unless0 s p; 10.87/4.43 10.87/4.43 unless0 s True = return (); 10.87/4.43 unless0 s False = s; 10.87/4.43 10.87/4.43 } 10.87/4.43 10.87/4.43 ---------------------------------------- 10.87/4.43 10.87/4.43 (7) Narrow (EQUIVALENT) 10.87/4.43 Haskell To QDPs 10.87/4.43 10.87/4.43 digraph dp_graph { 10.87/4.43 node [outthreshold=100, inthreshold=100];1[label="Monad.unless",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 10.87/4.43 3[label="Monad.unless vy3",fontsize=16,color="grey",shape="box"];3 -> 4[label="",style="dashed", color="grey", weight=3]; 10.87/4.43 4[label="Monad.unless vy3 vy4",fontsize=16,color="black",shape="triangle"];4 -> 5[label="",style="solid", color="black", weight=3]; 10.87/4.43 5[label="Monad.unless0 vy4 vy3",fontsize=16,color="burlywood",shape="box"];17[label="vy3/False",fontsize=10,color="white",style="solid",shape="box"];5 -> 17[label="",style="solid", color="burlywood", weight=9]; 10.87/4.43 17 -> 6[label="",style="solid", color="burlywood", weight=3]; 10.87/4.43 18[label="vy3/True",fontsize=10,color="white",style="solid",shape="box"];5 -> 18[label="",style="solid", color="burlywood", weight=9]; 10.87/4.43 18 -> 7[label="",style="solid", color="burlywood", weight=3]; 10.87/4.43 6[label="Monad.unless0 vy4 False",fontsize=16,color="black",shape="box"];6 -> 8[label="",style="solid", color="black", weight=3]; 10.87/4.43 7[label="Monad.unless0 vy4 True",fontsize=16,color="black",shape="box"];7 -> 9[label="",style="solid", color="black", weight=3]; 10.87/4.43 8[label="vy4",fontsize=16,color="green",shape="box"];9[label="return ()",fontsize=16,color="blue",shape="box"];19[label="return :: () -> IO ()",fontsize=10,color="white",style="solid",shape="box"];9 -> 19[label="",style="solid", color="blue", weight=9]; 10.87/4.43 19 -> 10[label="",style="solid", color="blue", weight=3]; 10.87/4.43 20[label="return :: () -> [] ()",fontsize=10,color="white",style="solid",shape="box"];9 -> 20[label="",style="solid", color="blue", weight=9]; 10.87/4.43 20 -> 11[label="",style="solid", color="blue", weight=3]; 10.87/4.43 21[label="return :: () -> Maybe ()",fontsize=10,color="white",style="solid",shape="box"];9 -> 21[label="",style="solid", color="blue", weight=9]; 10.87/4.43 21 -> 12[label="",style="solid", color="blue", weight=3]; 10.87/4.43 10[label="return ()",fontsize=16,color="black",shape="box"];10 -> 13[label="",style="solid", color="black", weight=3]; 10.87/4.43 11[label="return ()",fontsize=16,color="black",shape="box"];11 -> 14[label="",style="solid", color="black", weight=3]; 10.87/4.43 12[label="return ()",fontsize=16,color="black",shape="box"];12 -> 15[label="",style="solid", color="black", weight=3]; 10.87/4.43 13[label="primretIO ()",fontsize=16,color="black",shape="box"];13 -> 16[label="",style="solid", color="black", weight=3]; 10.87/4.43 14[label="() : []",fontsize=16,color="green",shape="box"];15[label="Just ()",fontsize=16,color="green",shape="box"];16[label="AProVE_IO ()",fontsize=16,color="green",shape="box"];} 10.87/4.43 10.87/4.43 ---------------------------------------- 10.87/4.43 10.87/4.43 (8) 10.87/4.43 YES 10.91/4.52 EOF