WORST_CASE(?,O(n^1)) * Step 1: DependencyPairs WORST_CASE(?,O(n^1)) + Considered Problem: - Strict TRS: implies(x,or(y,z)) -> or(y,implies(x,z)) implies(not(x),y) -> or(x,y) implies(not(x),or(y,z)) -> implies(y,or(x,z)) - Signature: {implies/2} / {not/1,or/2} - Obligation: innermost runtime complexity wrt. defined symbols {implies} and constructors {not,or} + Applied Processor: DependencyPairs {dpKind_ = DT} + Details: We add the following dependency tuples: Strict DPs implies#(x,or(y,z)) -> c_1(implies#(x,z)) implies#(not(x),y) -> c_2() implies#(not(x),or(y,z)) -> c_3(implies#(y,or(x,z))) Weak DPs and mark the set of starting terms. * Step 2: PredecessorEstimation WORST_CASE(?,O(n^1)) + Considered Problem: - Strict DPs: implies#(x,or(y,z)) -> c_1(implies#(x,z)) implies#(not(x),y) -> c_2() implies#(not(x),or(y,z)) -> c_3(implies#(y,or(x,z))) - Weak TRS: implies(x,or(y,z)) -> or(y,implies(x,z)) implies(not(x),y) -> or(x,y) implies(not(x),or(y,z)) -> implies(y,or(x,z)) - Signature: {implies/2,implies#/2} / {not/1,or/2,c_1/1,c_2/0,c_3/1} - Obligation: innermost runtime complexity wrt. defined symbols {implies#} and constructors {not,or} + Applied Processor: PredecessorEstimation {onSelection = all simple predecessor estimation selector} + Details: We estimate the number of application of {2} by application of Pre({2}) = {1,3}. Here rules are labelled as follows: 1: implies#(x,or(y,z)) -> c_1(implies#(x,z)) 2: implies#(not(x),y) -> c_2() 3: implies#(not(x),or(y,z)) -> c_3(implies#(y,or(x,z))) * Step 3: RemoveWeakSuffixes WORST_CASE(?,O(n^1)) + Considered Problem: - Strict DPs: implies#(x,or(y,z)) -> c_1(implies#(x,z)) implies#(not(x),or(y,z)) -> c_3(implies#(y,or(x,z))) - Weak DPs: implies#(not(x),y) -> c_2() - Weak TRS: implies(x,or(y,z)) -> or(y,implies(x,z)) implies(not(x),y) -> or(x,y) implies(not(x),or(y,z)) -> implies(y,or(x,z)) - Signature: {implies/2,implies#/2} / {not/1,or/2,c_1/1,c_2/0,c_3/1} - Obligation: innermost runtime complexity wrt. defined symbols {implies#} and constructors {not,or} + Applied Processor: RemoveWeakSuffixes + Details: Consider the dependency graph 1:S:implies#(x,or(y,z)) -> c_1(implies#(x,z)) -->_1 implies#(not(x),or(y,z)) -> c_3(implies#(y,or(x,z))):2 -->_1 implies#(not(x),y) -> c_2():3 -->_1 implies#(x,or(y,z)) -> c_1(implies#(x,z)):1 2:S:implies#(not(x),or(y,z)) -> c_3(implies#(y,or(x,z))) -->_1 implies#(not(x),y) -> c_2():3 -->_1 implies#(not(x),or(y,z)) -> c_3(implies#(y,or(x,z))):2 -->_1 implies#(x,or(y,z)) -> c_1(implies#(x,z)):1 3:W:implies#(not(x),y) -> c_2() The following weak DPs constitute a sub-graph of the DG that is closed under successors. The DPs are removed. 3: implies#(not(x),y) -> c_2() * Step 4: UsableRules WORST_CASE(?,O(n^1)) + Considered Problem: - Strict DPs: implies#(x,or(y,z)) -> c_1(implies#(x,z)) implies#(not(x),or(y,z)) -> c_3(implies#(y,or(x,z))) - Weak TRS: implies(x,or(y,z)) -> or(y,implies(x,z)) implies(not(x),y) -> or(x,y) implies(not(x),or(y,z)) -> implies(y,or(x,z)) - Signature: {implies/2,implies#/2} / {not/1,or/2,c_1/1,c_2/0,c_3/1} - Obligation: innermost runtime complexity wrt. defined symbols {implies#} and constructors {not,or} + Applied Processor: UsableRules + Details: We replace rewrite rules by usable rules: implies#(x,or(y,z)) -> c_1(implies#(x,z)) implies#(not(x),or(y,z)) -> c_3(implies#(y,or(x,z))) * Step 5: WeightGap WORST_CASE(?,O(n^1)) + Considered Problem: - Strict DPs: implies#(x,or(y,z)) -> c_1(implies#(x,z)) implies#(not(x),or(y,z)) -> c_3(implies#(y,or(x,z))) - Signature: {implies/2,implies#/2} / {not/1,or/2,c_1/1,c_2/0,c_3/1} - Obligation: innermost runtime complexity wrt. defined symbols {implies#} and constructors {not,or} + Applied Processor: WeightGap {wgDimension = 1, wgDegree = 1, wgKind = Algebraic, wgUArgs = UArgs, wgOn = WgOnAny} + Details: The weightgap principle applies using the following constant growth matrix-interpretation: We apply a matrix interpretation of kind constructor based matrix interpretation: The following argument positions are considered usable: uargs(c_1) = {1}, uargs(c_3) = {1} Following symbols are considered usable: all TcT has computed the following interpretation: p(implies) = [0] p(not) = [1] x1 + [1] p(or) = [1] x1 + [1] x2 + [1] p(implies#) = [9] x1 + [9] x2 + [9] p(c_1) = [1] x1 + [3] p(c_2) = [0] p(c_3) = [1] x1 + [0] Following rules are strictly oriented: implies#(x,or(y,z)) = [9] x + [9] y + [9] z + [18] > [9] x + [9] z + [12] = c_1(implies#(x,z)) implies#(not(x),or(y,z)) = [9] x + [9] y + [9] z + [27] > [9] x + [9] y + [9] z + [18] = c_3(implies#(y,or(x,z))) Following rules are (at-least) weakly oriented: Further, it can be verified that all rules not oriented are covered by the weightgap condition. * Step 6: EmptyProcessor WORST_CASE(?,O(1)) + Considered Problem: - Weak DPs: implies#(x,or(y,z)) -> c_1(implies#(x,z)) implies#(not(x),or(y,z)) -> c_3(implies#(y,or(x,z))) - Signature: {implies/2,implies#/2} / {not/1,or/2,c_1/1,c_2/0,c_3/1} - Obligation: innermost runtime complexity wrt. defined symbols {implies#} and constructors {not,or} + Applied Processor: EmptyProcessor + Details: The problem is already closed. The intended complexity is O(1). WORST_CASE(?,O(n^1))