3.41/1.76 WORST_CASE(NON_POLY, ?) 3.41/1.77 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 3.41/1.77 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.41/1.77 3.41/1.77 3.41/1.77 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(INF, INF). 3.41/1.77 3.41/1.77 (0) CpxIntTrs 3.41/1.77 (1) Loat Proof [FINISHED, 12 ms] 3.41/1.77 (2) BOUNDS(INF, INF) 3.41/1.77 3.41/1.77 3.41/1.77 ---------------------------------------- 3.41/1.77 3.41/1.77 (0) 3.41/1.77 Obligation: 3.41/1.77 Complexity Int TRS consisting of the following rules: 3.41/1.77 f4(A, B, C) -> Com_1(f5(A, B, C)) :|: A >= B + 1 3.41/1.77 f0(A, B, C) -> Com_1(f4(D, D + 1, B)) :|: TRUE 3.41/1.77 f4(A, B, C) -> Com_1(f4(D, D + 1, B)) :|: TRUE 3.41/1.77 3.41/1.77 The start-symbols are:[f0_3] 3.41/1.77 3.41/1.77 3.41/1.77 ---------------------------------------- 3.41/1.77 3.41/1.77 (1) Loat Proof (FINISHED) 3.41/1.77 3.41/1.77 3.41/1.77 ### Pre-processing the ITS problem ### 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 Initial linear ITS problem 3.41/1.77 3.41/1.77 Start location: f0 3.41/1.77 3.41/1.77 0: f4 -> f5 : [ A>=1+B ], cost: 1 3.41/1.77 3.41/1.77 2: f4 -> f4 : A'=free_1, B'=1+free_1, C'=B, [], cost: 1 3.41/1.77 3.41/1.77 1: f0 -> f4 : A'=free, B'=1+free, C'=B, [], cost: 1 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 Removed unreachable and leaf rules: 3.41/1.77 3.41/1.77 Start location: f0 3.41/1.77 3.41/1.77 2: f4 -> f4 : A'=free_1, B'=1+free_1, C'=B, [], cost: 1 3.41/1.77 3.41/1.77 1: f0 -> f4 : A'=free, B'=1+free, C'=B, [], cost: 1 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 ### Simplification by acceleration and chaining ### 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 Accelerating simple loops of location 0. 3.41/1.77 3.41/1.77 Accelerating the following rules: 3.41/1.77 3.41/1.77 2: f4 -> f4 : A'=free_1, B'=1+free_1, C'=B, [], cost: 1 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 Accelerated rule 2 with NONTERM, yielding the new rule 3. 3.41/1.77 3.41/1.77 Removing the simple loops: 2. 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 Accelerated all simple loops using metering functions (where possible): 3.41/1.77 3.41/1.77 Start location: f0 3.41/1.77 3.41/1.77 3: f4 -> [3] : [], cost: INF 3.41/1.77 3.41/1.77 1: f0 -> f4 : A'=free, B'=1+free, C'=B, [], cost: 1 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 Chained accelerated rules (with incoming rules): 3.41/1.77 3.41/1.77 Start location: f0 3.41/1.77 3.41/1.77 1: f0 -> f4 : A'=free, B'=1+free, C'=B, [], cost: 1 3.41/1.77 3.41/1.77 4: f0 -> [3] : A'=free, B'=1+free, C'=B, [], cost: INF 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 Removed unreachable locations (and leaf rules with constant cost): 3.41/1.77 3.41/1.77 Start location: f0 3.41/1.77 3.41/1.77 4: f0 -> [3] : A'=free, B'=1+free, C'=B, [], cost: INF 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 ### Computing asymptotic complexity ### 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 Fully simplified ITS problem 3.41/1.77 3.41/1.77 Start location: f0 3.41/1.77 3.41/1.77 4: f0 -> [3] : A'=free, B'=1+free, C'=B, [], cost: INF 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 Computing asymptotic complexity for rule 4 3.41/1.77 3.41/1.77 Resulting cost INF has complexity: Nonterm 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 Found new complexity Nonterm. 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 Obtained the following overall complexity (w.r.t. the length of the input n): 3.41/1.77 3.41/1.77 Complexity: Nonterm 3.41/1.77 3.41/1.77 Cpx degree: Nonterm 3.41/1.77 3.41/1.77 Solved cost: INF 3.41/1.77 3.41/1.77 Rule cost: INF 3.41/1.77 3.41/1.77 Rule guard: [] 3.41/1.77 3.41/1.77 3.41/1.77 3.41/1.77 NO 3.41/1.77 3.41/1.77 3.41/1.77 ---------------------------------------- 3.41/1.77 3.41/1.77 (2) 3.41/1.77 BOUNDS(INF, INF) 3.41/1.78 EOF