MAYBE * Step 1: DependencyPairs MAYBE + Considered Problem: - Strict TRS: 10() -> double(s(double(s(s(0()))))) 1024() -> 1024_1(0()) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2} / {0/0,false/0,s/1,true/0} - Obligation: innermost runtime complexity wrt. defined symbols {10,1024,1024_1,double,if,lt} and constructors {0,false,s ,true} + Applied Processor: DependencyPairs {dpKind_ = DT} + Details: We add the following dependency tuples: Strict DPs 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) 1024#() -> c_2(1024_1#(0())) 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) double#(0()) -> c_4() double#(s(x)) -> c_5(double#(x)) if#(false(),x) -> c_6() if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(x,0()) -> c_8() lt#(0(),s(y)) -> c_9() lt#(s(x),s(y)) -> c_10(lt#(x,y)) Weak DPs and mark the set of starting terms. * Step 2: UsableRules MAYBE + Considered Problem: - Strict DPs: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) 1024#() -> c_2(1024_1#(0())) 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) double#(0()) -> c_4() double#(s(x)) -> c_5(double#(x)) if#(false(),x) -> c_6() if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(x,0()) -> c_8() lt#(0(),s(y)) -> c_9() lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024() -> 1024_1(0()) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/3,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: UsableRules + Details: We replace rewrite rules by usable rules: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) 1024#() -> c_2(1024_1#(0())) 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) double#(0()) -> c_4() double#(s(x)) -> c_5(double#(x)) if#(false(),x) -> c_6() if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(x,0()) -> c_8() lt#(0(),s(y)) -> c_9() lt#(s(x),s(y)) -> c_10(lt#(x,y)) * Step 3: PredecessorEstimation MAYBE + Considered Problem: - Strict DPs: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) 1024#() -> c_2(1024_1#(0())) 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) double#(0()) -> c_4() double#(s(x)) -> c_5(double#(x)) if#(false(),x) -> c_6() if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(x,0()) -> c_8() lt#(0(),s(y)) -> c_9() lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/3,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: PredecessorEstimation {onSelection = all simple predecessor estimation selector} + Details: We estimate the number of application of {4,6,8,9} by application of Pre({4,6,8,9}) = {3,5,7,10}. Here rules are labelled as follows: 1: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) 2: 1024#() -> c_2(1024_1#(0())) 3: 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) 4: double#(0()) -> c_4() 5: double#(s(x)) -> c_5(double#(x)) 6: if#(false(),x) -> c_6() 7: if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) 8: lt#(x,0()) -> c_8() 9: lt#(0(),s(y)) -> c_9() 10: lt#(s(x),s(y)) -> c_10(lt#(x,y)) * Step 4: RemoveWeakSuffixes MAYBE + Considered Problem: - Strict DPs: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) 1024#() -> c_2(1024_1#(0())) 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) double#(s(x)) -> c_5(double#(x)) if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak DPs: double#(0()) -> c_4() if#(false(),x) -> c_6() lt#(x,0()) -> c_8() lt#(0(),s(y)) -> c_9() - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/3,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: RemoveWeakSuffixes + Details: Consider the dependency graph 1:S:10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) -->_2 double#(s(x)) -> c_5(double#(x)):4 -->_1 double#(s(x)) -> c_5(double#(x)):4 2:S:1024#() -> c_2(1024_1#(0())) -->_1 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()):3 3:S:1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) -->_2 lt#(s(x),s(y)) -> c_10(lt#(x,y)):6 -->_1 if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))):5 -->_2 lt#(0(),s(y)) -> c_9():10 -->_2 lt#(x,0()) -> c_8():9 -->_1 if#(false(),x) -> c_6():8 -->_3 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))):1 4:S:double#(s(x)) -> c_5(double#(x)) -->_1 double#(0()) -> c_4():7 -->_1 double#(s(x)) -> c_5(double#(x)):4 5:S:if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) -->_1 double#(0()) -> c_4():7 -->_1 double#(s(x)) -> c_5(double#(x)):4 -->_2 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()):3 6:S:lt#(s(x),s(y)) -> c_10(lt#(x,y)) -->_1 lt#(0(),s(y)) -> c_9():10 -->_1 lt#(x,0()) -> c_8():9 -->_1 lt#(s(x),s(y)) -> c_10(lt#(x,y)):6 7:W:double#(0()) -> c_4() 8:W:if#(false(),x) -> c_6() 9:W:lt#(x,0()) -> c_8() 10:W:lt#(0(),s(y)) -> c_9() The following weak DPs constitute a sub-graph of the DG that is closed under successors. The DPs are removed. 8: if#(false(),x) -> c_6() 9: lt#(x,0()) -> c_8() 10: lt#(0(),s(y)) -> c_9() 7: double#(0()) -> c_4() * Step 5: RemoveHeads MAYBE + Considered Problem: - Strict DPs: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) 1024#() -> c_2(1024_1#(0())) 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) double#(s(x)) -> c_5(double#(x)) if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/3,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: RemoveHeads + Details: Consider the dependency graph 1:S:10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) -->_2 double#(s(x)) -> c_5(double#(x)):4 -->_1 double#(s(x)) -> c_5(double#(x)):4 2:S:1024#() -> c_2(1024_1#(0())) -->_1 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()):3 3:S:1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) -->_2 lt#(s(x),s(y)) -> c_10(lt#(x,y)):6 -->_1 if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))):5 -->_3 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))):1 4:S:double#(s(x)) -> c_5(double#(x)) -->_1 double#(s(x)) -> c_5(double#(x)):4 5:S:if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) -->_1 double#(s(x)) -> c_5(double#(x)):4 -->_2 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()):3 6:S:lt#(s(x),s(y)) -> c_10(lt#(x,y)) -->_1 lt#(s(x),s(y)) -> c_10(lt#(x,y)):6 Following roots of the dependency graph are removed, as the considered set of starting terms is closed under reduction with respect to these rules (modulo compound contexts). [(2,1024#() -> c_2(1024_1#(0())))] * Step 6: Decompose MAYBE + Considered Problem: - Strict DPs: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) double#(s(x)) -> c_5(double#(x)) if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/3,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: Decompose {onSelection = all cycle independent sub-graph, withBound = RelativeAdd} + Details: We analyse the complexity of following sub-problems (R) and (S). Problem (S) is obtained from the input problem by shifting strict rules from (R) into the weak component. Problem (R) - Strict DPs: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) double#(s(x)) -> c_5(double#(x)) - Weak DPs: 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/3,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} Problem (S) - Strict DPs: 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak DPs: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) double#(s(x)) -> c_5(double#(x)) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/3,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} ** Step 6.a:1: RemoveWeakSuffixes MAYBE + Considered Problem: - Strict DPs: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) double#(s(x)) -> c_5(double#(x)) - Weak DPs: 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/3,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: RemoveWeakSuffixes + Details: Consider the dependency graph 1:S:10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) -->_2 double#(s(x)) -> c_5(double#(x)):4 -->_1 double#(s(x)) -> c_5(double#(x)):4 3:W:1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) -->_3 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))):1 -->_2 lt#(s(x),s(y)) -> c_10(lt#(x,y)):6 -->_1 if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))):5 4:S:double#(s(x)) -> c_5(double#(x)) -->_1 double#(s(x)) -> c_5(double#(x)):4 5:W:if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) -->_2 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()):3 -->_1 double#(s(x)) -> c_5(double#(x)):4 6:W:lt#(s(x),s(y)) -> c_10(lt#(x,y)) -->_1 lt#(s(x),s(y)) -> c_10(lt#(x,y)):6 The following weak DPs constitute a sub-graph of the DG that is closed under successors. The DPs are removed. 6: lt#(s(x),s(y)) -> c_10(lt#(x,y)) ** Step 6.a:2: SimplifyRHS MAYBE + Considered Problem: - Strict DPs: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) double#(s(x)) -> c_5(double#(x)) - Weak DPs: 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/3,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: SimplifyRHS + Details: Consider the dependency graph 1:S:10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) -->_2 double#(s(x)) -> c_5(double#(x)):4 -->_1 double#(s(x)) -> c_5(double#(x)):4 3:W:1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) -->_3 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))):1 -->_1 if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))):5 4:S:double#(s(x)) -> c_5(double#(x)) -->_1 double#(s(x)) -> c_5(double#(x)):4 5:W:if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) -->_2 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()):3 -->_1 double#(s(x)) -> c_5(double#(x)):4 Due to missing edges in the depndency graph, the right-hand sides of following rules could be simplified: 1024_1#(x) -> c_3(if#(lt(x,10()),x),10#()) ** Step 6.a:3: Failure MAYBE + Considered Problem: - Strict DPs: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) double#(s(x)) -> c_5(double#(x)) - Weak DPs: 1024_1#(x) -> c_3(if#(lt(x,10()),x),10#()) if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/2,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: EmptyProcessor + Details: The problem is still open. ** Step 6.b:1: RemoveWeakSuffixes MAYBE + Considered Problem: - Strict DPs: 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak DPs: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) double#(s(x)) -> c_5(double#(x)) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/3,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: RemoveWeakSuffixes + Details: Consider the dependency graph 1:S:1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) -->_3 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))):4 -->_2 lt#(s(x),s(y)) -> c_10(lt#(x,y)):3 -->_1 if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))):2 2:S:if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) -->_1 double#(s(x)) -> c_5(double#(x)):5 -->_2 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()):1 3:S:lt#(s(x),s(y)) -> c_10(lt#(x,y)) -->_1 lt#(s(x),s(y)) -> c_10(lt#(x,y)):3 4:W:10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) -->_2 double#(s(x)) -> c_5(double#(x)):5 -->_1 double#(s(x)) -> c_5(double#(x)):5 5:W:double#(s(x)) -> c_5(double#(x)) -->_1 double#(s(x)) -> c_5(double#(x)):5 The following weak DPs constitute a sub-graph of the DG that is closed under successors. The DPs are removed. 4: 10#() -> c_1(double#(s(double(s(s(0()))))),double#(s(s(0())))) 5: double#(s(x)) -> c_5(double#(x)) ** Step 6.b:2: SimplifyRHS MAYBE + Considered Problem: - Strict DPs: 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/3,c_4/0,c_5/1,c_6/0,c_7/2,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: SimplifyRHS + Details: Consider the dependency graph 1:S:1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()) -->_2 lt#(s(x),s(y)) -> c_10(lt#(x,y)):3 -->_1 if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))):2 2:S:if#(true(),x) -> c_7(double#(1024_1(s(x))),1024_1#(s(x))) -->_2 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10()),10#()):1 3:S:lt#(s(x),s(y)) -> c_10(lt#(x,y)) -->_1 lt#(s(x),s(y)) -> c_10(lt#(x,y)):3 Due to missing edges in the depndency graph, the right-hand sides of following rules could be simplified: 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10())) if#(true(),x) -> c_7(1024_1#(s(x))) ** Step 6.b:3: UsableRules MAYBE + Considered Problem: - Strict DPs: 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10())) if#(true(),x) -> c_7(1024_1#(s(x))) lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak TRS: 10() -> double(s(double(s(s(0()))))) 1024_1(x) -> if(lt(x,10()),x) double(0()) -> 0() double(s(x)) -> s(s(double(x))) if(false(),x) -> s(0()) if(true(),x) -> double(1024_1(s(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/2,c_4/0,c_5/1,c_6/0,c_7/1,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: UsableRules + Details: We replace rewrite rules by usable rules: 10() -> double(s(double(s(s(0()))))) double(0()) -> 0() double(s(x)) -> s(s(double(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10())) if#(true(),x) -> c_7(1024_1#(s(x))) lt#(s(x),s(y)) -> c_10(lt#(x,y)) ** Step 6.b:4: Failure MAYBE + Considered Problem: - Strict DPs: 1024_1#(x) -> c_3(if#(lt(x,10()),x),lt#(x,10())) if#(true(),x) -> c_7(1024_1#(s(x))) lt#(s(x),s(y)) -> c_10(lt#(x,y)) - Weak TRS: 10() -> double(s(double(s(s(0()))))) double(0()) -> 0() double(s(x)) -> s(s(double(x))) lt(x,0()) -> false() lt(0(),s(y)) -> true() lt(s(x),s(y)) -> lt(x,y) - Signature: {10/0,1024/0,1024_1/1,double/1,if/2,lt/2,10#/0,1024#/0,1024_1#/1,double#/1,if#/2,lt#/2} / {0/0,false/0,s/1 ,true/0,c_1/2,c_2/1,c_3/2,c_4/0,c_5/1,c_6/0,c_7/1,c_8/0,c_9/0,c_10/1} - Obligation: innermost runtime complexity wrt. defined symbols {10#,1024#,1024_1#,double#,if#,lt#} and constructors {0 ,false,s,true} + Applied Processor: EmptyProcessor + Details: The problem is still open. MAYBE