3.90/1.97 WORST_CASE(NON_POLY, ?) 3.98/1.98 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 3.98/1.98 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.98/1.98 3.98/1.98 3.98/1.98 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(INF, INF). 3.98/1.98 3.98/1.98 (0) CpxIntTrs 3.98/1.98 (1) Loat Proof [FINISHED, 323 ms] 3.98/1.98 (2) BOUNDS(INF, INF) 3.98/1.98 3.98/1.98 3.98/1.98 ---------------------------------------- 3.98/1.98 3.98/1.98 (0) 3.98/1.98 Obligation: 3.98/1.98 Complexity Int TRS consisting of the following rules: 3.98/1.98 f0(A, B) -> Com_1(f4(0, 99)) :|: TRUE 3.98/1.98 f4(A, B) -> Com_1(f4(E, B)) :|: B >= A + 1 && C >= D + 1 3.98/1.98 f4(A, B) -> Com_1(f4(A, E)) :|: B >= A + 1 3.98/1.98 f4(A, B) -> Com_1(f11(A, B)) :|: A >= B 3.98/1.98 3.98/1.98 The start-symbols are:[f0_2] 3.98/1.98 3.98/1.98 3.98/1.98 ---------------------------------------- 3.98/1.98 3.98/1.98 (1) Loat Proof (FINISHED) 3.98/1.98 3.98/1.98 3.98/1.98 ### Pre-processing the ITS problem ### 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Initial linear ITS problem 3.98/1.98 3.98/1.98 Start location: f0 3.98/1.98 3.98/1.98 0: f0 -> f4 : A'=0, B'=99, [], cost: 1 3.98/1.98 3.98/1.98 1: f4 -> f4 : A'=free_2, [ B>=1+A && free>=1+free_1 ], cost: 1 3.98/1.98 3.98/1.98 2: f4 -> f4 : B'=free_3, [ B>=1+A ], cost: 1 3.98/1.98 3.98/1.98 3: f4 -> f11 : [ A>=B ], cost: 1 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Removed unreachable and leaf rules: 3.98/1.98 3.98/1.98 Start location: f0 3.98/1.98 3.98/1.98 0: f0 -> f4 : A'=0, B'=99, [], cost: 1 3.98/1.98 3.98/1.98 1: f4 -> f4 : A'=free_2, [ B>=1+A && free>=1+free_1 ], cost: 1 3.98/1.98 3.98/1.98 2: f4 -> f4 : B'=free_3, [ B>=1+A ], cost: 1 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Simplified all rules, resulting in: 3.98/1.98 3.98/1.98 Start location: f0 3.98/1.98 3.98/1.98 0: f0 -> f4 : A'=0, B'=99, [], cost: 1 3.98/1.98 3.98/1.98 1: f4 -> f4 : A'=free_2, [ B>=1+A ], cost: 1 3.98/1.98 3.98/1.98 2: f4 -> f4 : B'=free_3, [ B>=1+A ], cost: 1 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 ### Simplification by acceleration and chaining ### 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Accelerating simple loops of location 1. 3.98/1.98 3.98/1.98 Accelerating the following rules: 3.98/1.98 3.98/1.98 1: f4 -> f4 : A'=free_2, [ B>=1+A ], cost: 1 3.98/1.98 3.98/1.98 2: f4 -> f4 : B'=free_3, [ B>=1+A ], cost: 1 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Accelerated rule 1 with NONTERM (after strengthening guard), yielding the new rule 4. 3.98/1.98 3.98/1.98 Accelerated rule 2 with NONTERM (after strengthening guard), yielding the new rule 5. 3.98/1.98 3.98/1.98 Removing the simple loops:. 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Accelerated all simple loops using metering functions (where possible): 3.98/1.98 3.98/1.98 Start location: f0 3.98/1.98 3.98/1.98 0: f0 -> f4 : A'=0, B'=99, [], cost: 1 3.98/1.98 3.98/1.98 1: f4 -> f4 : A'=free_2, [ B>=1+A ], cost: 1 3.98/1.98 3.98/1.98 2: f4 -> f4 : B'=free_3, [ B>=1+A ], cost: 1 3.98/1.98 3.98/1.98 4: f4 -> [3] : [ B>=1+A && B>=1+free_2 ], cost: INF 3.98/1.98 3.98/1.98 5: f4 -> [3] : [ B>=1+A && free_3>=1+A ], cost: INF 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Chained accelerated rules (with incoming rules): 3.98/1.98 3.98/1.98 Start location: f0 3.98/1.98 3.98/1.98 0: f0 -> f4 : A'=0, B'=99, [], cost: 1 3.98/1.98 3.98/1.98 6: f0 -> f4 : A'=free_2, B'=99, [], cost: 2 3.98/1.98 3.98/1.98 7: f0 -> f4 : A'=0, B'=free_3, [], cost: 2 3.98/1.98 3.98/1.98 8: f0 -> [3] : A'=0, B'=99, [], cost: INF 3.98/1.98 3.98/1.98 9: f0 -> [3] : A'=0, B'=99, [], cost: INF 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Removed unreachable locations (and leaf rules with constant cost): 3.98/1.98 3.98/1.98 Start location: f0 3.98/1.98 3.98/1.98 8: f0 -> [3] : A'=0, B'=99, [], cost: INF 3.98/1.98 3.98/1.98 9: f0 -> [3] : A'=0, B'=99, [], cost: INF 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 ### Computing asymptotic complexity ### 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Fully simplified ITS problem 3.98/1.98 3.98/1.98 Start location: f0 3.98/1.98 3.98/1.98 9: f0 -> [3] : A'=0, B'=99, [], cost: INF 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Computing asymptotic complexity for rule 9 3.98/1.98 3.98/1.98 Resulting cost INF has complexity: Nonterm 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Found new complexity Nonterm. 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 Obtained the following overall complexity (w.r.t. the length of the input n): 3.98/1.98 3.98/1.98 Complexity: Nonterm 3.98/1.98 3.98/1.98 Cpx degree: Nonterm 3.98/1.98 3.98/1.98 Solved cost: INF 3.98/1.98 3.98/1.98 Rule cost: INF 3.98/1.98 3.98/1.98 Rule guard: [] 3.98/1.98 3.98/1.98 3.98/1.98 3.98/1.98 NO 3.98/1.98 3.98/1.98 3.98/1.98 ---------------------------------------- 3.98/1.98 3.98/1.98 (2) 3.98/1.98 BOUNDS(INF, INF) 3.98/2.01 EOF