5.11/2.86 MAYBE 5.11/2.86 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 5.11/2.86 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.11/2.86 5.11/2.86 5.11/2.86 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, INF). 5.11/2.86 5.11/2.86 (0) CpxIntTrs 5.11/2.86 (1) Loat Proof [FINISHED, 117 ms] 5.11/2.86 (2) BOUNDS(1, INF) 5.11/2.86 5.11/2.86 5.11/2.86 ---------------------------------------- 5.11/2.86 5.11/2.86 (0) 5.11/2.86 Obligation: 5.11/2.86 Complexity Int TRS consisting of the following rules: 5.11/2.86 f4(A, B, C, D, E, F, G) -> Com_1(f4(A - B, B, C, D, E, F, G)) :|: A >= 0 5.11/2.86 f4(A, B, C, D, E, F, G) -> Com_1(f6(A, B, 0, 0, 0, 0, 0)) :|: 0 >= A + 1 5.11/2.86 f5(A, B, C, D, E, F, G) -> Com_1(f4(A, B, C, D, E, F, G)) :|: 0 >= B + 1 5.11/2.86 f5(A, B, C, D, E, F, G) -> Com_1(f6(A, B, 0, 0, 0, 0, 0)) :|: B >= 0 5.11/2.86 5.11/2.86 The start-symbols are:[f5_7] 5.11/2.86 5.11/2.86 5.11/2.86 ---------------------------------------- 5.11/2.86 5.11/2.86 (1) Loat Proof (FINISHED) 5.11/2.86 5.11/2.86 5.11/2.86 ### Pre-processing the ITS problem ### 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 Initial linear ITS problem 5.11/2.86 5.11/2.86 Start location: f5 5.11/2.86 5.11/2.86 0: f4 -> f4 : A'=A-B, [ A>=0 ], cost: 1 5.11/2.86 5.11/2.86 1: f4 -> f6 : C'=0, D'=0, E'=0, F'=0, G'=0, [ 0>=1+A ], cost: 1 5.11/2.86 5.11/2.86 2: f5 -> f4 : [ 0>=1+B ], cost: 1 5.11/2.86 5.11/2.86 3: f5 -> f6 : C'=0, D'=0, E'=0, F'=0, G'=0, [ B>=0 ], cost: 1 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 Removed unreachable and leaf rules: 5.11/2.86 5.11/2.86 Start location: f5 5.11/2.86 5.11/2.86 0: f4 -> f4 : A'=A-B, [ A>=0 ], cost: 1 5.11/2.86 5.11/2.86 2: f5 -> f4 : [ 0>=1+B ], cost: 1 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 ### Simplification by acceleration and chaining ### 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 Accelerating simple loops of location 0. 5.11/2.86 5.11/2.86 Accelerating the following rules: 5.11/2.86 5.11/2.86 0: f4 -> f4 : A'=A-B, [ A>=0 ], cost: 1 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 Found no metering function for rule 0. 5.11/2.86 5.11/2.86 Removing the simple loops:. 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 Accelerated all simple loops using metering functions (where possible): 5.11/2.86 5.11/2.86 Start location: f5 5.11/2.86 5.11/2.86 0: f4 -> f4 : A'=A-B, [ A>=0 ], cost: 1 5.11/2.86 5.11/2.86 2: f5 -> f4 : [ 0>=1+B ], cost: 1 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 Chained accelerated rules (with incoming rules): 5.11/2.86 5.11/2.86 Start location: f5 5.11/2.86 5.11/2.86 2: f5 -> f4 : [ 0>=1+B ], cost: 1 5.11/2.86 5.11/2.86 4: f5 -> f4 : A'=A-B, [ 0>=1+B && A>=0 ], cost: 2 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 Removed unreachable locations (and leaf rules with constant cost): 5.11/2.86 5.11/2.86 Start location: f5 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 ### Computing asymptotic complexity ### 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 Fully simplified ITS problem 5.11/2.86 5.11/2.86 Start location: f5 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 Obtained the following overall complexity (w.r.t. the length of the input n): 5.11/2.86 5.11/2.86 Complexity: Unknown 5.11/2.86 5.11/2.86 Cpx degree: ? 5.11/2.86 5.11/2.86 Solved cost: 0 5.11/2.86 5.11/2.86 Rule cost: 0 5.11/2.86 5.11/2.86 Rule guard: [] 5.11/2.86 5.11/2.86 5.11/2.86 5.11/2.86 WORST_CASE(Omega(0),?) 5.11/2.86 5.11/2.86 5.11/2.86 ---------------------------------------- 5.11/2.86 5.11/2.86 (2) 5.11/2.86 BOUNDS(1, INF) 5.20/2.90 EOF