10.07/7.86 MAYBE 10.07/7.87 proof of /export/starexec/sandbox2/benchmark/theBenchmark.koat 10.07/7.87 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 10.07/7.87 10.07/7.87 10.07/7.87 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, INF). 10.07/7.87 10.07/7.87 (0) CpxIntTrs 10.07/7.87 (1) Loat Proof [FINISHED, 215 ms] 10.07/7.87 (2) BOUNDS(1, INF) 10.07/7.87 10.07/7.87 10.07/7.87 ---------------------------------------- 10.07/7.87 10.07/7.87 (0) 10.07/7.87 Obligation: 10.07/7.87 Complexity Int TRS consisting of the following rules: 10.07/7.87 f0(A, B, C) -> Com_1(f1(A, B, C)) :|: TRUE 10.07/7.87 f1(A, B, C) -> Com_1(f1(A + 1, B + A + 1, C)) :|: A >= B 10.07/7.87 f1(A, B, C) -> Com_1(f1(A - C, B - 2 * C, C - 1)) :|: A >= B 10.07/7.87 10.07/7.87 The start-symbols are:[f0_3] 10.07/7.87 10.07/7.87 10.07/7.87 ---------------------------------------- 10.07/7.87 10.07/7.87 (1) Loat Proof (FINISHED) 10.07/7.87 10.07/7.87 10.07/7.87 ### Pre-processing the ITS problem ### 10.07/7.87 10.07/7.87 10.07/7.87 10.07/7.87 Initial linear ITS problem 10.07/7.87 10.07/7.87 Start location: f0 10.07/7.87 10.07/7.87 0: f0 -> f1 : [], cost: 1 10.07/7.87 10.07/7.87 1: f1 -> f1 : A'=1+A, B'=1+A+B, [ A>=B ], cost: 1 10.07/7.87 10.07/7.87 2: f1 -> f1 : A'=-C+A, B'=-2*C+B, C'=-1+C, [ A>=B ], cost: 1 10.07/7.87 10.07/7.87 10.07/7.87 10.07/7.87 ### Simplification by acceleration and chaining ### 10.07/7.87 10.07/7.87 10.07/7.87 10.07/7.87 Accelerating simple loops of location 1. 10.07/7.87 10.07/7.87 Accelerating the following rules: 10.07/7.87 10.07/7.87 1: f1 -> f1 : A'=1+A, B'=1+A+B, [ A>=B ], cost: 1 10.07/7.87 10.07/7.87 2: f1 -> f1 : A'=-C+A, B'=-2*C+B, C'=-1+C, [ A>=B ], cost: 1 10.07/7.87 10.07/7.87 10.07/7.87 10.07/7.87 Found no metering function for rule 1. 10.07/7.87 10.07/7.87 Found no metering function for rule 2. 10.07/7.87 10.07/7.87 Removing the simple loops:. 10.07/7.87 10.07/7.87 10.07/7.87 10.07/7.87 Accelerated all simple loops using metering functions (where possible): 10.07/7.87 10.07/7.87 Start location: f0 10.07/7.87 10.07/7.87 0: f0 -> f1 : [], cost: 1 10.07/7.87 10.07/7.87 1: f1 -> f1 : A'=1+A, B'=1+A+B, [ A>=B ], cost: 1 10.07/7.87 10.07/7.87 2: f1 -> f1 : A'=-C+A, B'=-2*C+B, C'=-1+C, [ A>=B ], cost: 1 10.07/7.87 10.07/7.87 10.07/7.87 10.07/7.87 Chained accelerated rules (with incoming rules): 10.07/7.87 10.07/7.87 Start location: f0 10.07/7.87 10.07/7.87 0: f0 -> f1 : [], cost: 1 10.07/7.87 10.07/7.87 3: f0 -> f1 : A'=1+A, B'=1+A+B, [ A>=B ], cost: 2 10.07/7.87 10.07/7.87 4: f0 -> f1 : A'=-C+A, B'=-2*C+B, C'=-1+C, [ A>=B ], cost: 2 10.07/7.87 10.07/7.87 10.07/7.87 10.07/7.87 Removed unreachable locations (and leaf rules with constant cost): 10.07/7.87 10.07/7.87 Start location: f0 10.07/7.87 10.07/7.87 10.07/7.87 10.07/7.87 ### Computing asymptotic complexity ### 10.07/7.87 10.07/7.87 10.07/7.87 10.07/7.87 Fully simplified ITS problem 10.07/7.87 10.07/7.87 Start location: f0 10.07/7.87 10.07/7.87 10.07/7.87 10.07/7.87 Obtained the following overall complexity (w.r.t. the length of the input n): 10.07/7.87 10.07/7.87 Complexity: Unknown 10.07/7.87 10.07/7.87 Cpx degree: ? 10.07/7.87 10.07/7.87 Solved cost: 0 10.07/7.87 10.07/7.87 Rule cost: 0 10.07/7.87 10.07/7.87 Rule guard: [] 10.07/7.87 10.07/7.87 10.07/7.87 10.07/7.87 WORST_CASE(Omega(0),?) 10.07/7.87 10.07/7.87 10.07/7.87 ---------------------------------------- 10.07/7.87 10.07/7.87 (2) 10.07/7.87 BOUNDS(1, INF) 10.07/7.90 EOF