3.51/2.10 WORST_CASE(NON_POLY, ?) 3.51/2.11 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 3.51/2.11 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.51/2.11 3.51/2.11 3.51/2.11 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(INF, INF). 3.51/2.11 3.51/2.11 (0) CpxIntTrs 3.51/2.11 (1) Loat Proof [FINISHED, 266 ms] 3.51/2.11 (2) BOUNDS(INF, INF) 3.51/2.11 3.51/2.11 3.51/2.11 ---------------------------------------- 3.51/2.11 3.51/2.11 (0) 3.51/2.11 Obligation: 3.51/2.11 Complexity Int TRS consisting of the following rules: 3.51/2.11 f2(A, B) -> Com_1(f2(-(2) + C, B)) :|: 0 >= A + 1 3.51/2.11 f2(A, B) -> Com_1(f2(2 + C, B)) :|: A >= 1 3.51/2.11 f3(A, B) -> Com_1(f2(A, B)) :|: TRUE 3.51/2.11 f2(A, B) -> Com_1(f300(A, C)) :|: A >= 0 && A <= 0 3.51/2.11 3.51/2.11 The start-symbols are:[f3_2] 3.51/2.11 3.51/2.11 3.51/2.11 ---------------------------------------- 3.51/2.11 3.51/2.11 (1) Loat Proof (FINISHED) 3.51/2.11 3.51/2.11 3.51/2.11 ### Pre-processing the ITS problem ### 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 Initial linear ITS problem 3.51/2.11 3.51/2.11 Start location: f3 3.51/2.11 3.51/2.11 0: f2 -> f2 : A'=-2+free, [ 0>=1+A ], cost: 1 3.51/2.11 3.51/2.11 1: f2 -> f2 : A'=2+free_1, [ A>=1 ], cost: 1 3.51/2.11 3.51/2.11 3: f2 -> f300 : B'=free_2, [ A==0 ], cost: 1 3.51/2.11 3.51/2.11 2: f3 -> f2 : [], cost: 1 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 Removed unreachable and leaf rules: 3.51/2.11 3.51/2.11 Start location: f3 3.51/2.11 3.51/2.11 0: f2 -> f2 : A'=-2+free, [ 0>=1+A ], cost: 1 3.51/2.11 3.51/2.11 1: f2 -> f2 : A'=2+free_1, [ A>=1 ], cost: 1 3.51/2.11 3.51/2.11 2: f3 -> f2 : [], cost: 1 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 ### Simplification by acceleration and chaining ### 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 Accelerating simple loops of location 0. 3.51/2.11 3.51/2.11 Accelerating the following rules: 3.51/2.11 3.51/2.11 0: f2 -> f2 : A'=-2+free, [ 0>=1+A ], cost: 1 3.51/2.11 3.51/2.11 1: f2 -> f2 : A'=2+free_1, [ A>=1 ], cost: 1 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 Accelerated rule 0 with NONTERM (after strengthening guard), yielding the new rule 4. 3.51/2.11 3.51/2.11 Accelerated rule 1 with NONTERM (after strengthening guard), yielding the new rule 5. 3.51/2.11 3.51/2.11 Removing the simple loops:. 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 Accelerated all simple loops using metering functions (where possible): 3.51/2.11 3.51/2.11 Start location: f3 3.51/2.11 3.51/2.11 0: f2 -> f2 : A'=-2+free, [ 0>=1+A ], cost: 1 3.51/2.11 3.51/2.11 1: f2 -> f2 : A'=2+free_1, [ A>=1 ], cost: 1 3.51/2.11 3.51/2.11 4: f2 -> [3] : [ 0>=1+A && 0>=-1+free ], cost: INF 3.51/2.11 3.51/2.11 5: f2 -> [3] : [ A>=1 && 2+free_1>=1 ], cost: INF 3.51/2.11 3.51/2.11 2: f3 -> f2 : [], cost: 1 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 Chained accelerated rules (with incoming rules): 3.51/2.11 3.51/2.11 Start location: f3 3.51/2.11 3.51/2.11 2: f3 -> f2 : [], cost: 1 3.51/2.11 3.51/2.11 6: f3 -> f2 : A'=-2+free, [ 0>=1+A ], cost: 2 3.51/2.11 3.51/2.11 7: f3 -> f2 : A'=2+free_1, [ A>=1 ], cost: 2 3.51/2.11 3.51/2.11 8: f3 -> [3] : [ 0>=1+A ], cost: INF 3.51/2.11 3.51/2.11 9: f3 -> [3] : [ A>=1 ], cost: INF 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 Removed unreachable locations (and leaf rules with constant cost): 3.51/2.11 3.51/2.11 Start location: f3 3.51/2.11 3.51/2.11 8: f3 -> [3] : [ 0>=1+A ], cost: INF 3.51/2.11 3.51/2.11 9: f3 -> [3] : [ A>=1 ], cost: INF 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 ### Computing asymptotic complexity ### 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 Fully simplified ITS problem 3.51/2.11 3.51/2.11 Start location: f3 3.51/2.11 3.51/2.11 8: f3 -> [3] : [ 0>=1+A ], cost: INF 3.51/2.11 3.51/2.11 9: f3 -> [3] : [ A>=1 ], cost: INF 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 Computing asymptotic complexity for rule 8 3.51/2.11 3.51/2.11 Resulting cost INF has complexity: Nonterm 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 Found new complexity Nonterm. 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 Obtained the following overall complexity (w.r.t. the length of the input n): 3.51/2.11 3.51/2.11 Complexity: Nonterm 3.51/2.11 3.51/2.11 Cpx degree: Nonterm 3.51/2.11 3.51/2.11 Solved cost: INF 3.51/2.11 3.51/2.11 Rule cost: INF 3.51/2.11 3.51/2.11 Rule guard: [ 0>=1+A ] 3.51/2.11 3.51/2.11 3.51/2.11 3.51/2.11 NO 3.51/2.11 3.51/2.11 3.51/2.11 ---------------------------------------- 3.51/2.11 3.51/2.11 (2) 3.51/2.11 BOUNDS(INF, INF) 3.88/2.13 EOF