7.32/4.32 YES 9.00/4.80 proof of /export/starexec/sandbox/benchmark/theBenchmark.hs 9.00/4.80 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 9.00/4.80 9.00/4.80 9.00/4.80 H-Termination with start terms of the given HASKELL could be proven: 9.00/4.80 9.00/4.80 (0) HASKELL 9.00/4.80 (1) BR [EQUIVALENT, 0 ms] 9.00/4.80 (2) HASKELL 9.00/4.80 (3) COR [EQUIVALENT, 0 ms] 9.00/4.80 (4) HASKELL 9.00/4.80 (5) Narrow [EQUIVALENT, 30 ms] 9.00/4.80 (6) YES 9.00/4.80 9.00/4.80 9.00/4.80 ---------------------------------------- 9.00/4.80 9.00/4.80 (0) 9.00/4.80 Obligation: 9.00/4.80 mainModule Main 9.00/4.80 module Main where { 9.00/4.80 import qualified Prelude; 9.00/4.80 data MyInt = Pos Main.Nat | Neg Main.Nat ; 9.00/4.80 9.00/4.80 data Main.Nat = Succ Main.Nat | Zero ; 9.00/4.80 9.00/4.80 succMyInt :: MyInt -> MyInt; 9.00/4.80 succMyInt (Main.Pos Main.Zero) = Main.Pos (Main.Succ Main.Zero); 9.00/4.80 succMyInt (Main.Neg Main.Zero) = Main.Pos (Main.Succ Main.Zero); 9.00/4.80 succMyInt (Main.Pos (Main.Succ x)) = Main.Pos (Main.Succ (Main.Succ x)); 9.00/4.80 succMyInt (Main.Neg (Main.Succ x)) = Main.Neg x; 9.00/4.80 9.00/4.80 } 9.00/4.80 9.00/4.80 ---------------------------------------- 9.00/4.80 9.00/4.80 (1) BR (EQUIVALENT) 9.00/4.80 Replaced joker patterns by fresh variables and removed binding patterns. 9.00/4.80 ---------------------------------------- 9.00/4.80 9.00/4.80 (2) 9.00/4.80 Obligation: 9.00/4.80 mainModule Main 9.00/4.80 module Main where { 9.00/4.80 import qualified Prelude; 9.00/4.80 data MyInt = Pos Main.Nat | Neg Main.Nat ; 9.00/4.80 9.00/4.80 data Main.Nat = Succ Main.Nat | Zero ; 9.00/4.80 9.00/4.80 succMyInt :: MyInt -> MyInt; 9.00/4.80 succMyInt (Main.Pos Main.Zero) = Main.Pos (Main.Succ Main.Zero); 9.00/4.80 succMyInt (Main.Neg Main.Zero) = Main.Pos (Main.Succ Main.Zero); 9.00/4.80 succMyInt (Main.Pos (Main.Succ x)) = Main.Pos (Main.Succ (Main.Succ x)); 9.00/4.80 succMyInt (Main.Neg (Main.Succ x)) = Main.Neg x; 9.00/4.80 9.00/4.80 } 9.00/4.80 9.00/4.80 ---------------------------------------- 9.00/4.80 9.00/4.80 (3) COR (EQUIVALENT) 9.00/4.80 Cond Reductions: 9.00/4.80 The following Function with conditions 9.00/4.80 "undefined |Falseundefined; 9.00/4.80 " 9.00/4.80 is transformed to 9.00/4.80 "undefined = undefined1; 9.00/4.80 " 9.00/4.80 "undefined0 True = undefined; 9.00/4.80 " 9.00/4.80 "undefined1 = undefined0 False; 9.00/4.80 " 9.00/4.80 9.00/4.80 ---------------------------------------- 9.00/4.80 9.00/4.80 (4) 9.00/4.80 Obligation: 9.00/4.80 mainModule Main 9.00/4.80 module Main where { 9.00/4.80 import qualified Prelude; 9.00/4.80 data MyInt = Pos Main.Nat | Neg Main.Nat ; 9.00/4.80 9.00/4.80 data Main.Nat = Succ Main.Nat | Zero ; 9.00/4.80 9.00/4.80 succMyInt :: MyInt -> MyInt; 9.00/4.80 succMyInt (Main.Pos Main.Zero) = Main.Pos (Main.Succ Main.Zero); 9.00/4.80 succMyInt (Main.Neg Main.Zero) = Main.Pos (Main.Succ Main.Zero); 9.00/4.80 succMyInt (Main.Pos (Main.Succ x)) = Main.Pos (Main.Succ (Main.Succ x)); 9.00/4.80 succMyInt (Main.Neg (Main.Succ x)) = Main.Neg x; 9.00/4.80 9.00/4.80 } 9.00/4.80 9.00/4.80 ---------------------------------------- 9.00/4.80 9.00/4.80 (5) Narrow (EQUIVALENT) 9.00/4.80 Haskell To QDPs 9.00/4.80 9.00/4.80 digraph dp_graph { 9.00/4.80 node [outthreshold=100, inthreshold=100];1[label="succMyInt",fontsize=16,color="grey",shape="box"];1 -> 3[label="",style="dashed", color="grey", weight=3]; 9.00/4.80 3[label="succMyInt vx3",fontsize=16,color="burlywood",shape="triangle"];14[label="vx3/Pos vx30",fontsize=10,color="white",style="solid",shape="box"];3 -> 14[label="",style="solid", color="burlywood", weight=9]; 9.00/4.80 14 -> 4[label="",style="solid", color="burlywood", weight=3]; 9.00/4.80 15[label="vx3/Neg vx30",fontsize=10,color="white",style="solid",shape="box"];3 -> 15[label="",style="solid", color="burlywood", weight=9]; 9.00/4.80 15 -> 5[label="",style="solid", color="burlywood", weight=3]; 9.00/4.80 4[label="succMyInt (Pos vx30)",fontsize=16,color="burlywood",shape="box"];16[label="vx30/Succ vx300",fontsize=10,color="white",style="solid",shape="box"];4 -> 16[label="",style="solid", color="burlywood", weight=9]; 9.00/4.80 16 -> 6[label="",style="solid", color="burlywood", weight=3]; 9.00/4.80 17[label="vx30/Zero",fontsize=10,color="white",style="solid",shape="box"];4 -> 17[label="",style="solid", color="burlywood", weight=9]; 9.00/4.80 17 -> 7[label="",style="solid", color="burlywood", weight=3]; 9.00/4.80 5[label="succMyInt (Neg vx30)",fontsize=16,color="burlywood",shape="box"];18[label="vx30/Succ vx300",fontsize=10,color="white",style="solid",shape="box"];5 -> 18[label="",style="solid", color="burlywood", weight=9]; 9.00/4.80 18 -> 8[label="",style="solid", color="burlywood", weight=3]; 9.00/4.80 19[label="vx30/Zero",fontsize=10,color="white",style="solid",shape="box"];5 -> 19[label="",style="solid", color="burlywood", weight=9]; 9.00/4.80 19 -> 9[label="",style="solid", color="burlywood", weight=3]; 9.00/4.80 6[label="succMyInt (Pos (Succ vx300))",fontsize=16,color="black",shape="box"];6 -> 10[label="",style="solid", color="black", weight=3]; 9.00/4.80 7[label="succMyInt (Pos Zero)",fontsize=16,color="black",shape="box"];7 -> 11[label="",style="solid", color="black", weight=3]; 9.00/4.80 8[label="succMyInt (Neg (Succ vx300))",fontsize=16,color="black",shape="box"];8 -> 12[label="",style="solid", color="black", weight=3]; 9.00/4.80 9[label="succMyInt (Neg Zero)",fontsize=16,color="black",shape="box"];9 -> 13[label="",style="solid", color="black", weight=3]; 9.00/4.80 10[label="Pos (Succ (Succ vx300))",fontsize=16,color="green",shape="box"];11[label="Pos (Succ Zero)",fontsize=16,color="green",shape="box"];12[label="Neg vx300",fontsize=16,color="green",shape="box"];13[label="Pos (Succ Zero)",fontsize=16,color="green",shape="box"];} 9.00/4.80 9.00/4.80 ---------------------------------------- 9.00/4.80 9.00/4.80 (6) 9.00/4.80 YES 9.15/4.84 EOF