3.56/1.95 WORST_CASE(NON_POLY, ?) 3.56/1.95 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 3.56/1.95 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.56/1.95 3.56/1.95 3.56/1.95 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(INF, INF). 3.56/1.95 3.56/1.95 (0) CpxIntTrs 3.56/1.95 (1) Loat Proof [FINISHED, 145 ms] 3.56/1.95 (2) BOUNDS(INF, INF) 3.56/1.95 3.56/1.95 3.56/1.95 ---------------------------------------- 3.56/1.95 3.56/1.95 (0) 3.56/1.95 Obligation: 3.56/1.95 Complexity Int TRS consisting of the following rules: 3.56/1.95 f3(A, B) -> Com_1(f0(2, B)) :|: TRUE 3.56/1.95 f0(A, B) -> Com_1(f0(A + 1, C)) :|: C >= 1 3.56/1.95 f0(A, B) -> Com_1(f0(A - 1, C)) :|: 0 >= C 3.56/1.95 3.56/1.95 The start-symbols are:[f3_2] 3.56/1.95 3.56/1.95 3.56/1.95 ---------------------------------------- 3.56/1.95 3.56/1.95 (1) Loat Proof (FINISHED) 3.56/1.95 3.56/1.95 3.56/1.95 ### Pre-processing the ITS problem ### 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 Initial linear ITS problem 3.56/1.95 3.56/1.95 Start location: f3 3.56/1.95 3.56/1.95 0: f3 -> f0 : A'=2, [], cost: 1 3.56/1.95 3.56/1.95 1: f0 -> f0 : A'=1+A, B'=free, [ free>=1 ], cost: 1 3.56/1.95 3.56/1.95 2: f0 -> f0 : A'=-1+A, B'=free_1, [ 0>=free_1 ], cost: 1 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 ### Simplification by acceleration and chaining ### 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 Accelerating simple loops of location 1. 3.56/1.95 3.56/1.95 Accelerating the following rules: 3.56/1.95 3.56/1.95 1: f0 -> f0 : A'=1+A, B'=free, [ free>=1 ], cost: 1 3.56/1.95 3.56/1.95 2: f0 -> f0 : A'=-1+A, B'=free_1, [ 0>=free_1 ], cost: 1 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 Accelerated rule 1 with NONTERM, yielding the new rule 3. 3.56/1.95 3.56/1.95 Accelerated rule 2 with NONTERM, yielding the new rule 4. 3.56/1.95 3.56/1.95 Removing the simple loops: 1 2. 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 Accelerated all simple loops using metering functions (where possible): 3.56/1.95 3.56/1.95 Start location: f3 3.56/1.95 3.56/1.95 0: f3 -> f0 : A'=2, [], cost: 1 3.56/1.95 3.56/1.95 3: f0 -> [2] : [ free>=1 ], cost: INF 3.56/1.95 3.56/1.95 4: f0 -> [2] : [ 0>=free_1 ], cost: INF 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 Chained accelerated rules (with incoming rules): 3.56/1.95 3.56/1.95 Start location: f3 3.56/1.95 3.56/1.95 0: f3 -> f0 : A'=2, [], cost: 1 3.56/1.95 3.56/1.95 5: f3 -> [2] : A'=2, [], cost: INF 3.56/1.95 3.56/1.95 6: f3 -> [2] : A'=2, [], cost: INF 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 Removed unreachable locations (and leaf rules with constant cost): 3.56/1.95 3.56/1.95 Start location: f3 3.56/1.95 3.56/1.95 5: f3 -> [2] : A'=2, [], cost: INF 3.56/1.95 3.56/1.95 6: f3 -> [2] : A'=2, [], cost: INF 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 ### Computing asymptotic complexity ### 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 Fully simplified ITS problem 3.56/1.95 3.56/1.95 Start location: f3 3.56/1.95 3.56/1.95 6: f3 -> [2] : A'=2, [], cost: INF 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 Computing asymptotic complexity for rule 6 3.56/1.95 3.56/1.95 Resulting cost INF has complexity: Nonterm 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 Found new complexity Nonterm. 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 Obtained the following overall complexity (w.r.t. the length of the input n): 3.56/1.95 3.56/1.95 Complexity: Nonterm 3.56/1.95 3.56/1.95 Cpx degree: Nonterm 3.56/1.95 3.56/1.95 Solved cost: INF 3.56/1.95 3.56/1.95 Rule cost: INF 3.56/1.95 3.56/1.95 Rule guard: [] 3.56/1.95 3.56/1.95 3.56/1.95 3.56/1.95 NO 3.56/1.95 3.56/1.95 3.56/1.95 ---------------------------------------- 3.56/1.95 3.56/1.95 (2) 3.56/1.95 BOUNDS(INF, INF) 3.56/1.98 EOF