3.72/1.79 WORST_CASE(NON_POLY, ?) 3.72/1.80 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 3.72/1.80 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.72/1.80 3.72/1.80 3.72/1.80 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(INF, INF). 3.72/1.80 3.72/1.80 (0) CpxIntTrs 3.72/1.80 (1) Loat Proof [FINISHED, 115 ms] 3.72/1.80 (2) BOUNDS(INF, INF) 3.72/1.80 3.72/1.80 3.72/1.80 ---------------------------------------- 3.72/1.80 3.72/1.80 (0) 3.72/1.80 Obligation: 3.72/1.80 Complexity Int TRS consisting of the following rules: 3.72/1.80 f300(A) -> Com_1(f3(A)) :|: TRUE 3.72/1.80 f3(A) -> Com_1(f3(-(1) + A)) :|: 0 >= A 3.72/1.80 f3(A) -> Com_1(f3(-(1) + A)) :|: A >= 1 3.72/1.80 3.72/1.80 The start-symbols are:[f300_1] 3.72/1.80 3.72/1.80 3.72/1.80 ---------------------------------------- 3.72/1.80 3.72/1.80 (1) Loat Proof (FINISHED) 3.72/1.80 3.72/1.80 3.72/1.80 ### Pre-processing the ITS problem ### 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 Initial linear ITS problem 3.72/1.80 3.72/1.80 Start location: f300 3.72/1.80 3.72/1.80 0: f300 -> f3 : [], cost: 1 3.72/1.80 3.72/1.80 1: f3 -> f3 : A'=-1+A, [ 0>=A ], cost: 1 3.72/1.80 3.72/1.80 2: f3 -> f3 : A'=-1+A, [ A>=1 ], cost: 1 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 ### Simplification by acceleration and chaining ### 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 Accelerating simple loops of location 1. 3.72/1.80 3.72/1.80 Accelerating the following rules: 3.72/1.80 3.72/1.80 1: f3 -> f3 : A'=-1+A, [ 0>=A ], cost: 1 3.72/1.80 3.72/1.80 2: f3 -> f3 : A'=-1+A, [ A>=1 ], cost: 1 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 Accelerated rule 1 with NONTERM, yielding the new rule 3. 3.72/1.80 3.72/1.80 Accelerated rule 2 with metering function A, yielding the new rule 4. 3.72/1.80 3.72/1.80 Removing the simple loops: 1 2. 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 Accelerated all simple loops using metering functions (where possible): 3.72/1.80 3.72/1.80 Start location: f300 3.72/1.80 3.72/1.80 0: f300 -> f3 : [], cost: 1 3.72/1.80 3.72/1.80 3: f3 -> [2] : [ 0>=A ], cost: INF 3.72/1.80 3.72/1.80 4: f3 -> f3 : A'=0, [ A>=1 ], cost: A 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 Chained accelerated rules (with incoming rules): 3.72/1.80 3.72/1.80 Start location: f300 3.72/1.80 3.72/1.80 0: f300 -> f3 : [], cost: 1 3.72/1.80 3.72/1.80 5: f300 -> [2] : [ 0>=A ], cost: INF 3.72/1.80 3.72/1.80 6: f300 -> f3 : A'=0, [ A>=1 ], cost: 1+A 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 Removed unreachable locations (and leaf rules with constant cost): 3.72/1.80 3.72/1.80 Start location: f300 3.72/1.80 3.72/1.80 5: f300 -> [2] : [ 0>=A ], cost: INF 3.72/1.80 3.72/1.80 6: f300 -> f3 : A'=0, [ A>=1 ], cost: 1+A 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 ### Computing asymptotic complexity ### 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 Fully simplified ITS problem 3.72/1.80 3.72/1.80 Start location: f300 3.72/1.80 3.72/1.80 5: f300 -> [2] : [ 0>=A ], cost: INF 3.72/1.80 3.72/1.80 6: f300 -> f3 : A'=0, [ A>=1 ], cost: 1+A 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 Computing asymptotic complexity for rule 5 3.72/1.80 3.72/1.80 Resulting cost INF has complexity: Nonterm 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 Found new complexity Nonterm. 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 Obtained the following overall complexity (w.r.t. the length of the input n): 3.72/1.80 3.72/1.80 Complexity: Nonterm 3.72/1.80 3.72/1.80 Cpx degree: Nonterm 3.72/1.80 3.72/1.80 Solved cost: INF 3.72/1.80 3.72/1.80 Rule cost: INF 3.72/1.80 3.72/1.80 Rule guard: [ 0>=A ] 3.72/1.80 3.72/1.80 3.72/1.80 3.72/1.80 NO 3.72/1.80 3.72/1.80 3.72/1.80 ---------------------------------------- 3.72/1.80 3.72/1.80 (2) 3.72/1.80 BOUNDS(INF, INF) 3.81/1.82 EOF