3.22/1.71 WORST_CASE(NON_POLY, ?) 3.22/1.72 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 3.22/1.72 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.22/1.72 3.22/1.72 3.22/1.72 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(INF, INF). 3.22/1.72 3.22/1.72 (0) CpxIntTrs 3.22/1.72 (1) Loat Proof [FINISHED, 133 ms] 3.22/1.72 (2) BOUNDS(INF, INF) 3.22/1.72 3.22/1.72 3.22/1.72 ---------------------------------------- 3.22/1.72 3.22/1.72 (0) 3.22/1.72 Obligation: 3.22/1.72 Complexity Int TRS consisting of the following rules: 3.22/1.72 f0(A, B, C, D) -> Com_1(f3(A, E, C, D)) :|: A >= 10 3.22/1.72 f0(A, B, C, D) -> Com_1(f0(-(1) + A, B, A, D)) :|: 9 >= A 3.22/1.72 f1(A, B, C, D) -> Com_1(f0(-(1), B, C, -(1))) :|: 9 >= A 3.22/1.72 f2(A, B, C, D) -> Com_1(f0(0, B, C, D)) :|: TRUE 3.22/1.72 3.22/1.72 The start-symbols are:[f2_4] 3.22/1.72 3.22/1.72 3.22/1.72 ---------------------------------------- 3.22/1.72 3.22/1.72 (1) Loat Proof (FINISHED) 3.22/1.72 3.22/1.72 3.22/1.72 ### Pre-processing the ITS problem ### 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 Initial linear ITS problem 3.22/1.72 3.22/1.72 Start location: f2 3.22/1.72 3.22/1.72 0: f0 -> f3 : B'=free, [ A>=10 ], cost: 1 3.22/1.72 3.22/1.72 1: f0 -> f0 : A'=-1+A, C'=A, [ 9>=A ], cost: 1 3.22/1.72 3.22/1.72 2: f1 -> f0 : A'=-1, D'=-1, [ 9>=A ], cost: 1 3.22/1.72 3.22/1.72 3: f2 -> f0 : A'=0, [], cost: 1 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 Removed unreachable and leaf rules: 3.22/1.72 3.22/1.72 Start location: f2 3.22/1.72 3.22/1.72 1: f0 -> f0 : A'=-1+A, C'=A, [ 9>=A ], cost: 1 3.22/1.72 3.22/1.72 3: f2 -> f0 : A'=0, [], cost: 1 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 ### Simplification by acceleration and chaining ### 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 Accelerating simple loops of location 0. 3.22/1.72 3.22/1.72 Accelerating the following rules: 3.22/1.72 3.22/1.72 1: f0 -> f0 : A'=-1+A, C'=A, [ 9>=A ], cost: 1 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 Accelerated rule 1 with NONTERM, yielding the new rule 4. 3.22/1.72 3.22/1.72 Removing the simple loops: 1. 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 Accelerated all simple loops using metering functions (where possible): 3.22/1.72 3.22/1.72 Start location: f2 3.22/1.72 3.22/1.72 4: f0 -> [4] : [ 9>=A ], cost: INF 3.22/1.72 3.22/1.72 3: f2 -> f0 : A'=0, [], cost: 1 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 Chained accelerated rules (with incoming rules): 3.22/1.72 3.22/1.72 Start location: f2 3.22/1.72 3.22/1.72 3: f2 -> f0 : A'=0, [], cost: 1 3.22/1.72 3.22/1.72 5: f2 -> [4] : A'=0, [], cost: INF 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 Removed unreachable locations (and leaf rules with constant cost): 3.22/1.72 3.22/1.72 Start location: f2 3.22/1.72 3.22/1.72 5: f2 -> [4] : A'=0, [], cost: INF 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 ### Computing asymptotic complexity ### 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 Fully simplified ITS problem 3.22/1.72 3.22/1.72 Start location: f2 3.22/1.72 3.22/1.72 5: f2 -> [4] : A'=0, [], cost: INF 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 Computing asymptotic complexity for rule 5 3.22/1.72 3.22/1.72 Resulting cost INF has complexity: Nonterm 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 Found new complexity Nonterm. 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 Obtained the following overall complexity (w.r.t. the length of the input n): 3.22/1.72 3.22/1.72 Complexity: Nonterm 3.22/1.72 3.22/1.72 Cpx degree: Nonterm 3.22/1.72 3.22/1.72 Solved cost: INF 3.22/1.72 3.22/1.72 Rule cost: INF 3.22/1.72 3.22/1.72 Rule guard: [] 3.22/1.72 3.22/1.72 3.22/1.72 3.22/1.72 NO 3.22/1.72 3.22/1.72 3.22/1.72 ---------------------------------------- 3.22/1.72 3.22/1.72 (2) 3.22/1.72 BOUNDS(INF, INF) 3.22/1.76 EOF