0.00/0.12 YES 0.00/0.12 0.00/0.12 Problem 1: 0.00/0.12 0.00/0.12 (VAR v_NonEmpty:S x:S y:S) 0.00/0.12 (RULES 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ) 0.00/0.12 (STRATEGY INNERMOST) 0.00/0.12 0.00/0.12 Problem 1: 0.00/0.12 0.00/0.12 Dependency Pairs Processor: 0.00/0.12 -> Pairs: 0.00/0.12 EVEN(s(s(x:S))) -> EVEN(x:S) 0.00/0.12 HALF(s(s(x:S))) -> HALF(x:S) 0.00/0.12 IF_TIMES(ffalse,s(x:S),y:S) -> PLUS(y:S,times(x:S,y:S)) 0.00/0.12 IF_TIMES(ffalse,s(x:S),y:S) -> TIMES(x:S,y:S) 0.00/0.12 IF_TIMES(ttrue,s(x:S),y:S) -> HALF(s(x:S)) 0.00/0.12 IF_TIMES(ttrue,s(x:S),y:S) -> PLUS(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 IF_TIMES(ttrue,s(x:S),y:S) -> TIMES(half(s(x:S)),y:S) 0.00/0.12 PLUS(s(x:S),y:S) -> PLUS(x:S,y:S) 0.00/0.12 TIMES(s(x:S),y:S) -> EVEN(s(x:S)) 0.00/0.12 TIMES(s(x:S),y:S) -> IF_TIMES(even(s(x:S)),s(x:S),y:S) 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 0.00/0.12 Problem 1: 0.00/0.12 0.00/0.12 SCC Processor: 0.00/0.12 -> Pairs: 0.00/0.12 EVEN(s(s(x:S))) -> EVEN(x:S) 0.00/0.12 HALF(s(s(x:S))) -> HALF(x:S) 0.00/0.12 IF_TIMES(ffalse,s(x:S),y:S) -> PLUS(y:S,times(x:S,y:S)) 0.00/0.12 IF_TIMES(ffalse,s(x:S),y:S) -> TIMES(x:S,y:S) 0.00/0.12 IF_TIMES(ttrue,s(x:S),y:S) -> HALF(s(x:S)) 0.00/0.12 IF_TIMES(ttrue,s(x:S),y:S) -> PLUS(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 IF_TIMES(ttrue,s(x:S),y:S) -> TIMES(half(s(x:S)),y:S) 0.00/0.12 PLUS(s(x:S),y:S) -> PLUS(x:S,y:S) 0.00/0.12 TIMES(s(x:S),y:S) -> EVEN(s(x:S)) 0.00/0.12 TIMES(s(x:S),y:S) -> IF_TIMES(even(s(x:S)),s(x:S),y:S) 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->Strongly Connected Components: 0.00/0.12 ->->Cycle: 0.00/0.12 ->->-> Pairs: 0.00/0.12 PLUS(s(x:S),y:S) -> PLUS(x:S,y:S) 0.00/0.12 ->->-> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->->Cycle: 0.00/0.12 ->->-> Pairs: 0.00/0.12 HALF(s(s(x:S))) -> HALF(x:S) 0.00/0.12 ->->-> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->->Cycle: 0.00/0.12 ->->-> Pairs: 0.00/0.12 EVEN(s(s(x:S))) -> EVEN(x:S) 0.00/0.12 ->->-> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->->Cycle: 0.00/0.12 ->->-> Pairs: 0.00/0.12 IF_TIMES(ffalse,s(x:S),y:S) -> TIMES(x:S,y:S) 0.00/0.12 IF_TIMES(ttrue,s(x:S),y:S) -> TIMES(half(s(x:S)),y:S) 0.00/0.12 TIMES(s(x:S),y:S) -> IF_TIMES(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->->-> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 0.00/0.12 0.00/0.12 The problem is decomposed in 4 subproblems. 0.00/0.12 0.00/0.12 Problem 1.1: 0.00/0.12 0.00/0.12 Subterm Processor: 0.00/0.12 -> Pairs: 0.00/0.12 PLUS(s(x:S),y:S) -> PLUS(x:S,y:S) 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->Projection: 0.00/0.12 pi(PLUS) = 1 0.00/0.12 0.00/0.12 Problem 1.1: 0.00/0.12 0.00/0.12 SCC Processor: 0.00/0.12 -> Pairs: 0.00/0.12 Empty 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->Strongly Connected Components: 0.00/0.12 There is no strongly connected component 0.00/0.12 0.00/0.12 The problem is finite. 0.00/0.12 0.00/0.12 Problem 1.2: 0.00/0.12 0.00/0.12 Subterm Processor: 0.00/0.12 -> Pairs: 0.00/0.12 HALF(s(s(x:S))) -> HALF(x:S) 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->Projection: 0.00/0.12 pi(HALF) = 1 0.00/0.12 0.00/0.12 Problem 1.2: 0.00/0.12 0.00/0.12 SCC Processor: 0.00/0.12 -> Pairs: 0.00/0.12 Empty 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->Strongly Connected Components: 0.00/0.12 There is no strongly connected component 0.00/0.12 0.00/0.12 The problem is finite. 0.00/0.12 0.00/0.12 Problem 1.3: 0.00/0.12 0.00/0.12 Subterm Processor: 0.00/0.12 -> Pairs: 0.00/0.12 EVEN(s(s(x:S))) -> EVEN(x:S) 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->Projection: 0.00/0.12 pi(EVEN) = 1 0.00/0.12 0.00/0.12 Problem 1.3: 0.00/0.12 0.00/0.12 SCC Processor: 0.00/0.12 -> Pairs: 0.00/0.12 Empty 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->Strongly Connected Components: 0.00/0.12 There is no strongly connected component 0.00/0.12 0.00/0.12 The problem is finite. 0.00/0.12 0.00/0.12 Problem 1.4: 0.00/0.12 0.00/0.12 Reduction Pairs Processor: 0.00/0.12 -> Pairs: 0.00/0.12 IF_TIMES(ffalse,s(x:S),y:S) -> TIMES(x:S,y:S) 0.00/0.12 IF_TIMES(ttrue,s(x:S),y:S) -> TIMES(half(s(x:S)),y:S) 0.00/0.12 TIMES(s(x:S),y:S) -> IF_TIMES(even(s(x:S)),s(x:S),y:S) 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 -> Usable rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 ->Interpretation type: 0.00/0.12 Linear 0.00/0.12 ->Coefficients: 0.00/0.12 Natural Numbers 0.00/0.12 ->Dimension: 0.00/0.12 1 0.00/0.12 ->Bound: 0.00/0.12 2 0.00/0.12 ->Interpretation: 0.00/0.12 0.00/0.12 [even](X) = 1 0.00/0.12 [half](X) = X 0.00/0.12 [if_times](X1,X2,X3) = 0 0.00/0.12 [plus](X1,X2) = 0 0.00/0.12 [times](X1,X2) = 0 0.00/0.12 [0] = 0 0.00/0.12 [fSNonEmpty] = 0 0.00/0.12 [false] = 1 0.00/0.12 [s](X) = 2.X + 2 0.00/0.12 [true] = 1 0.00/0.12 [EVEN](X) = 0 0.00/0.12 [HALF](X) = 0 0.00/0.12 [IF_TIMES](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 0.00/0.12 [PLUS](X1,X2) = 0 0.00/0.12 [TIMES](X1,X2) = 2.X1 + 2.X2 + 2 0.00/0.12 0.00/0.12 Problem 1.4: 0.00/0.12 0.00/0.12 SCC Processor: 0.00/0.12 -> Pairs: 0.00/0.12 IF_TIMES(ttrue,s(x:S),y:S) -> TIMES(half(s(x:S)),y:S) 0.00/0.12 TIMES(s(x:S),y:S) -> IF_TIMES(even(s(x:S)),s(x:S),y:S) 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->Strongly Connected Components: 0.00/0.12 ->->Cycle: 0.00/0.12 ->->-> Pairs: 0.00/0.12 IF_TIMES(ttrue,s(x:S),y:S) -> TIMES(half(s(x:S)),y:S) 0.00/0.12 TIMES(s(x:S),y:S) -> IF_TIMES(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->->-> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 0.00/0.12 Problem 1.4: 0.00/0.12 0.00/0.12 Reduction Pairs Processor: 0.00/0.12 -> Pairs: 0.00/0.12 IF_TIMES(ttrue,s(x:S),y:S) -> TIMES(half(s(x:S)),y:S) 0.00/0.12 TIMES(s(x:S),y:S) -> IF_TIMES(even(s(x:S)),s(x:S),y:S) 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 -> Usable rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 ->Interpretation type: 0.00/0.12 Linear 0.00/0.12 ->Coefficients: 0.00/0.12 All rationals 0.00/0.12 ->Dimension: 0.00/0.12 1 0.00/0.12 ->Bound: 0.00/0.12 2 0.00/0.12 ->Interpretation: 0.00/0.12 0.00/0.12 [even](X) = 1/2.X + 1/2 0.00/0.12 [half](X) = 1/2.X + 1/2 0.00/0.12 [if_times](X1,X2,X3) = 0 0.00/0.12 [plus](X1,X2) = 0 0.00/0.12 [times](X1,X2) = 0 0.00/0.12 [0] = 1 0.00/0.12 [fSNonEmpty] = 0 0.00/0.12 [false] = 1/2 0.00/0.12 [s](X) = 2.X + 2 0.00/0.12 [true] = 1 0.00/0.12 [EVEN](X) = 0 0.00/0.12 [HALF](X) = 0 0.00/0.12 [IF_TIMES](X1,X2,X3) = X1 + X2 + 1/2.X3 + 1/2 0.00/0.12 [PLUS](X1,X2) = 0 0.00/0.12 [TIMES](X1,X2) = 2.X1 + 1/2.X2 0.00/0.12 0.00/0.12 Problem 1.4: 0.00/0.12 0.00/0.12 SCC Processor: 0.00/0.12 -> Pairs: 0.00/0.12 TIMES(s(x:S),y:S) -> IF_TIMES(even(s(x:S)),s(x:S),y:S) 0.00/0.12 -> Rules: 0.00/0.12 even(0) -> ttrue 0.00/0.12 even(s(0)) -> ffalse 0.00/0.12 even(s(s(x:S))) -> even(x:S) 0.00/0.12 half(0) -> 0 0.00/0.12 half(s(s(x:S))) -> s(half(x:S)) 0.00/0.12 if_times(ffalse,s(x:S),y:S) -> plus(y:S,times(x:S,y:S)) 0.00/0.12 if_times(ttrue,s(x:S),y:S) -> plus(times(half(s(x:S)),y:S),times(half(s(x:S)),y:S)) 0.00/0.12 plus(0,y:S) -> y:S 0.00/0.12 plus(s(x:S),y:S) -> s(plus(x:S,y:S)) 0.00/0.12 times(0,y:S) -> 0 0.00/0.12 times(s(x:S),y:S) -> if_times(even(s(x:S)),s(x:S),y:S) 0.00/0.12 ->Strongly Connected Components: 0.00/0.12 There is no strongly connected component 0.00/0.12 0.00/0.12 The problem is finite. 0.00/0.12 EOF