5.41/2.95 MAYBE 5.41/2.96 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 5.41/2.96 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.41/2.96 5.41/2.96 5.41/2.96 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, INF). 5.41/2.96 5.41/2.96 (0) CpxIntTrs 5.41/2.96 (1) Loat Proof [FINISHED, 299 ms] 5.41/2.96 (2) BOUNDS(1, INF) 5.41/2.96 5.41/2.96 5.41/2.96 ---------------------------------------- 5.41/2.96 5.41/2.96 (0) 5.41/2.96 Obligation: 5.41/2.96 Complexity Int TRS consisting of the following rules: 5.41/2.96 f0(A, B, C, D, E, F) -> Com_1(f0(-(1) + A, C, -(1) + C, A, E, F)) :|: A >= 1 5.41/2.96 f1(A, B, C, D, E, F) -> Com_1(f0(-(1) + A, B, -(1) + C, D, C, A)) :|: A >= 1 && C >= 1 5.41/2.96 f0(A, B, C, D, E, F) -> Com_1(f0(5000, B, C, D, E, F)) :|: 0 >= A && C >= 1 5.41/2.96 f3(A, B, C, D, E, F) -> Com_1(f0(5000, B, G, D, E, F)) :|: G >= 1 5.41/2.96 5.41/2.96 The start-symbols are:[f3_6] 5.41/2.96 5.41/2.96 5.41/2.96 ---------------------------------------- 5.41/2.96 5.41/2.96 (1) Loat Proof (FINISHED) 5.41/2.96 5.41/2.96 5.41/2.96 ### Pre-processing the ITS problem ### 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 Initial linear ITS problem 5.41/2.96 5.41/2.96 Start location: f3 5.41/2.96 5.41/2.96 0: f0 -> f0 : A'=-1+A, B'=C, C'=-1+C, D'=A, [ A>=1 ], cost: 1 5.41/2.96 5.41/2.96 2: f0 -> f0 : A'=5000, [ 0>=A && C>=1 ], cost: 1 5.41/2.96 5.41/2.96 1: f1 -> f0 : A'=-1+A, C'=-1+C, E'=C, F'=A, [ A>=1 && C>=1 ], cost: 1 5.41/2.96 5.41/2.96 3: f3 -> f0 : A'=5000, C'=free, [ free>=1 ], cost: 1 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 Removed unreachable and leaf rules: 5.41/2.96 5.41/2.96 Start location: f3 5.41/2.96 5.41/2.96 0: f0 -> f0 : A'=-1+A, B'=C, C'=-1+C, D'=A, [ A>=1 ], cost: 1 5.41/2.96 5.41/2.96 2: f0 -> f0 : A'=5000, [ 0>=A && C>=1 ], cost: 1 5.41/2.96 5.41/2.96 3: f3 -> f0 : A'=5000, C'=free, [ free>=1 ], cost: 1 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 ### Simplification by acceleration and chaining ### 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 Accelerating simple loops of location 0. 5.41/2.96 5.41/2.96 Accelerating the following rules: 5.41/2.96 5.41/2.96 0: f0 -> f0 : A'=-1+A, B'=C, C'=-1+C, D'=A, [ A>=1 ], cost: 1 5.41/2.96 5.41/2.96 2: f0 -> f0 : A'=5000, [ 0>=A && C>=1 ], cost: 1 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 Accelerated rule 0 with metering function A, yielding the new rule 4. 5.41/2.96 5.41/2.96 Found no metering function for rule 2. 5.41/2.96 5.41/2.96 Removing the simple loops: 0. 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 Accelerated all simple loops using metering functions (where possible): 5.41/2.96 5.41/2.96 Start location: f3 5.41/2.96 5.41/2.96 2: f0 -> f0 : A'=5000, [ 0>=A && C>=1 ], cost: 1 5.41/2.96 5.41/2.96 4: f0 -> f0 : A'=0, B'=1+C-A, C'=C-A, D'=1, [ A>=1 ], cost: A 5.41/2.96 5.41/2.96 3: f3 -> f0 : A'=5000, C'=free, [ free>=1 ], cost: 1 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 Chained accelerated rules (with incoming rules): 5.41/2.96 5.41/2.96 Start location: f3 5.41/2.96 5.41/2.96 3: f3 -> f0 : A'=5000, C'=free, [ free>=1 ], cost: 1 5.41/2.96 5.41/2.96 5: f3 -> f0 : A'=0, B'=-4999+free, C'=-5000+free, D'=1, [ free>=1 ], cost: 5001 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 Removed unreachable locations (and leaf rules with constant cost): 5.41/2.96 5.41/2.96 Start location: f3 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 ### Computing asymptotic complexity ### 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 Fully simplified ITS problem 5.41/2.96 5.41/2.96 Start location: f3 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 Obtained the following overall complexity (w.r.t. the length of the input n): 5.41/2.96 5.41/2.96 Complexity: Unknown 5.41/2.96 5.41/2.96 Cpx degree: ? 5.41/2.96 5.41/2.96 Solved cost: 0 5.41/2.96 5.41/2.96 Rule cost: 0 5.41/2.96 5.41/2.96 Rule guard: [] 5.41/2.96 5.41/2.96 5.41/2.96 5.41/2.96 WORST_CASE(Omega(0),?) 5.41/2.96 5.41/2.96 5.41/2.96 ---------------------------------------- 5.41/2.96 5.41/2.96 (2) 5.41/2.96 BOUNDS(1, INF) 5.51/2.98 EOF