3.72/1.77 WORST_CASE(NON_POLY, ?) 3.72/1.78 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 3.72/1.78 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.72/1.78 3.72/1.78 3.72/1.78 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(INF, INF). 3.72/1.78 3.72/1.78 (0) CpxIntTrs 3.72/1.78 (1) Loat Proof [FINISHED, 106 ms] 3.72/1.78 (2) BOUNDS(INF, INF) 3.72/1.78 3.72/1.78 3.72/1.78 ---------------------------------------- 3.72/1.78 3.72/1.78 (0) 3.72/1.78 Obligation: 3.72/1.78 Complexity Int TRS consisting of the following rules: 3.72/1.78 f0(A, B, C, D) -> Com_1(f3(A, E, C, D)) :|: A >= 10 3.72/1.78 f0(A, B, C, D) -> Com_1(f0(-(1) + A, B, A, D)) :|: 9 >= A 3.72/1.78 f1(A, B, C, D) -> Com_1(f0(-(1), B, C, -(1))) :|: 9 >= A 3.72/1.78 f2(A, B, C, D) -> Com_1(f0(0, B, C, D)) :|: TRUE 3.72/1.78 3.72/1.78 The start-symbols are:[f2_4] 3.72/1.78 3.72/1.78 3.72/1.78 ---------------------------------------- 3.72/1.78 3.72/1.78 (1) Loat Proof (FINISHED) 3.72/1.78 3.72/1.78 3.72/1.78 ### Pre-processing the ITS problem ### 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 Initial linear ITS problem 3.72/1.78 3.72/1.78 Start location: f2 3.72/1.78 3.72/1.78 0: f0 -> f3 : B'=free, [ A>=10 ], cost: 1 3.72/1.78 3.72/1.78 1: f0 -> f0 : A'=-1+A, C'=A, [ 9>=A ], cost: 1 3.72/1.78 3.72/1.78 2: f1 -> f0 : A'=-1, D'=-1, [ 9>=A ], cost: 1 3.72/1.78 3.72/1.78 3: f2 -> f0 : A'=0, [], cost: 1 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 Removed unreachable and leaf rules: 3.72/1.78 3.72/1.78 Start location: f2 3.72/1.78 3.72/1.78 1: f0 -> f0 : A'=-1+A, C'=A, [ 9>=A ], cost: 1 3.72/1.78 3.72/1.78 3: f2 -> f0 : A'=0, [], cost: 1 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 ### Simplification by acceleration and chaining ### 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 Accelerating simple loops of location 0. 3.72/1.78 3.72/1.78 Accelerating the following rules: 3.72/1.78 3.72/1.78 1: f0 -> f0 : A'=-1+A, C'=A, [ 9>=A ], cost: 1 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 Accelerated rule 1 with NONTERM, yielding the new rule 4. 3.72/1.78 3.72/1.78 Removing the simple loops: 1. 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 Accelerated all simple loops using metering functions (where possible): 3.72/1.78 3.72/1.78 Start location: f2 3.72/1.78 3.72/1.78 4: f0 -> [4] : [ 9>=A ], cost: INF 3.72/1.78 3.72/1.78 3: f2 -> f0 : A'=0, [], cost: 1 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 Chained accelerated rules (with incoming rules): 3.72/1.78 3.72/1.78 Start location: f2 3.72/1.78 3.72/1.78 3: f2 -> f0 : A'=0, [], cost: 1 3.72/1.78 3.72/1.78 5: f2 -> [4] : A'=0, [], cost: INF 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 Removed unreachable locations (and leaf rules with constant cost): 3.72/1.78 3.72/1.78 Start location: f2 3.72/1.78 3.72/1.78 5: f2 -> [4] : A'=0, [], cost: INF 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 ### Computing asymptotic complexity ### 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 Fully simplified ITS problem 3.72/1.78 3.72/1.78 Start location: f2 3.72/1.78 3.72/1.78 5: f2 -> [4] : A'=0, [], cost: INF 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 Computing asymptotic complexity for rule 5 3.72/1.78 3.72/1.78 Resulting cost INF has complexity: Nonterm 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 Found new complexity Nonterm. 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 Obtained the following overall complexity (w.r.t. the length of the input n): 3.72/1.78 3.72/1.78 Complexity: Nonterm 3.72/1.78 3.72/1.78 Cpx degree: Nonterm 3.72/1.78 3.72/1.78 Solved cost: INF 3.72/1.78 3.72/1.78 Rule cost: INF 3.72/1.78 3.72/1.78 Rule guard: [] 3.72/1.78 3.72/1.78 3.72/1.78 3.72/1.78 NO 3.72/1.78 3.72/1.78 3.72/1.78 ---------------------------------------- 3.72/1.78 3.72/1.78 (2) 3.72/1.78 BOUNDS(INF, INF) 4.00/1.80 EOF