3.27/1.98 WORST_CASE(NON_POLY, ?) 3.98/1.99 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 3.98/1.99 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.98/1.99 3.98/1.99 3.98/1.99 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(INF, INF). 3.98/1.99 3.98/1.99 (0) CpxIntTrs 3.98/1.99 (1) Loat Proof [FINISHED, 317 ms] 3.98/1.99 (2) BOUNDS(INF, INF) 3.98/1.99 3.98/1.99 3.98/1.99 ---------------------------------------- 3.98/1.99 3.98/1.99 (0) 3.98/1.99 Obligation: 3.98/1.99 Complexity Int TRS consisting of the following rules: 3.98/1.99 f9(A, B, C, D) -> Com_1(f15(A, 0, E, D)) :|: 0 >= A && E >= 1 3.98/1.99 f15(A, B, C, D) -> Com_1(f15(A, B, C, D)) :|: C >= 1 3.98/1.99 f23(A, B, C, D) -> Com_1(f23(A, B, C, D)) :|: TRUE 3.98/1.99 f25(A, B, C, D) -> Com_1(f28(A, B, C, D)) :|: TRUE 3.98/1.99 f15(A, B, C, D) -> Com_1(f9(E, B, C, 0)) :|: 0 >= C 3.98/1.99 f9(A, B, C, D) -> Com_1(f23(A, B, C, D)) :|: A >= 1 3.98/1.99 f0(A, B, C, D) -> Com_1(f9(E, 0, C, 0)) :|: TRUE 3.98/1.99 3.98/1.99 The start-symbols are:[f0_4] 3.98/1.99 3.98/1.99 3.98/1.99 ---------------------------------------- 3.98/1.99 3.98/1.99 (1) Loat Proof (FINISHED) 3.98/1.99 3.98/1.99 3.98/1.99 ### Pre-processing the ITS problem ### 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Initial linear ITS problem 3.98/1.99 3.98/1.99 Start location: f0 3.98/1.99 3.98/1.99 0: f9 -> f15 : B'=0, C'=free, [ 0>=A && free>=1 ], cost: 1 3.98/1.99 3.98/1.99 5: f9 -> f23 : [ A>=1 ], cost: 1 3.98/1.99 3.98/1.99 1: f15 -> f15 : [ C>=1 ], cost: 1 3.98/1.99 3.98/1.99 4: f15 -> f9 : A'=free_1, D'=0, [ 0>=C ], cost: 1 3.98/1.99 3.98/1.99 2: f23 -> f23 : [], cost: 1 3.98/1.99 3.98/1.99 3: f25 -> f28 : [], cost: 1 3.98/1.99 3.98/1.99 6: f0 -> f9 : A'=free_2, B'=0, D'=0, [], cost: 1 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Removed unreachable and leaf rules: 3.98/1.99 3.98/1.99 Start location: f0 3.98/1.99 3.98/1.99 0: f9 -> f15 : B'=0, C'=free, [ 0>=A && free>=1 ], cost: 1 3.98/1.99 3.98/1.99 5: f9 -> f23 : [ A>=1 ], cost: 1 3.98/1.99 3.98/1.99 1: f15 -> f15 : [ C>=1 ], cost: 1 3.98/1.99 3.98/1.99 4: f15 -> f9 : A'=free_1, D'=0, [ 0>=C ], cost: 1 3.98/1.99 3.98/1.99 2: f23 -> f23 : [], cost: 1 3.98/1.99 3.98/1.99 6: f0 -> f9 : A'=free_2, B'=0, D'=0, [], cost: 1 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 ### Simplification by acceleration and chaining ### 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Accelerating simple loops of location 1. 3.98/1.99 3.98/1.99 Accelerating the following rules: 3.98/1.99 3.98/1.99 1: f15 -> f15 : [ C>=1 ], cost: 1 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Accelerated rule 1 with NONTERM, yielding the new rule 7. 3.98/1.99 3.98/1.99 Removing the simple loops: 1. 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Accelerating simple loops of location 2. 3.98/1.99 3.98/1.99 Accelerating the following rules: 3.98/1.99 3.98/1.99 2: f23 -> f23 : [], cost: 1 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Accelerated rule 2 with NONTERM, yielding the new rule 8. 3.98/1.99 3.98/1.99 Removing the simple loops: 2. 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Accelerated all simple loops using metering functions (where possible): 3.98/1.99 3.98/1.99 Start location: f0 3.98/1.99 3.98/1.99 0: f9 -> f15 : B'=0, C'=free, [ 0>=A && free>=1 ], cost: 1 3.98/1.99 3.98/1.99 5: f9 -> f23 : [ A>=1 ], cost: 1 3.98/1.99 3.98/1.99 4: f15 -> f9 : A'=free_1, D'=0, [ 0>=C ], cost: 1 3.98/1.99 3.98/1.99 7: f15 -> [6] : [ C>=1 ], cost: INF 3.98/1.99 3.98/1.99 8: f23 -> [7] : [], cost: INF 3.98/1.99 3.98/1.99 6: f0 -> f9 : A'=free_2, B'=0, D'=0, [], cost: 1 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Chained accelerated rules (with incoming rules): 3.98/1.99 3.98/1.99 Start location: f0 3.98/1.99 3.98/1.99 0: f9 -> f15 : B'=0, C'=free, [ 0>=A && free>=1 ], cost: 1 3.98/1.99 3.98/1.99 5: f9 -> f23 : [ A>=1 ], cost: 1 3.98/1.99 3.98/1.99 9: f9 -> [6] : B'=0, C'=free, [ 0>=A && free>=1 ], cost: INF 3.98/1.99 3.98/1.99 10: f9 -> [7] : [ A>=1 ], cost: INF 3.98/1.99 3.98/1.99 4: f15 -> f9 : A'=free_1, D'=0, [ 0>=C ], cost: 1 3.98/1.99 3.98/1.99 6: f0 -> f9 : A'=free_2, B'=0, D'=0, [], cost: 1 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Removed unreachable locations (and leaf rules with constant cost): 3.98/1.99 3.98/1.99 Start location: f0 3.98/1.99 3.98/1.99 0: f9 -> f15 : B'=0, C'=free, [ 0>=A && free>=1 ], cost: 1 3.98/1.99 3.98/1.99 9: f9 -> [6] : B'=0, C'=free, [ 0>=A && free>=1 ], cost: INF 3.98/1.99 3.98/1.99 10: f9 -> [7] : [ A>=1 ], cost: INF 3.98/1.99 3.98/1.99 4: f15 -> f9 : A'=free_1, D'=0, [ 0>=C ], cost: 1 3.98/1.99 3.98/1.99 6: f0 -> f9 : A'=free_2, B'=0, D'=0, [], cost: 1 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Eliminated locations (on linear paths): 3.98/1.99 3.98/1.99 Start location: f0 3.98/1.99 3.98/1.99 9: f9 -> [6] : B'=0, C'=free, [ 0>=A && free>=1 ], cost: INF 3.98/1.99 3.98/1.99 10: f9 -> [7] : [ A>=1 ], cost: INF 3.98/1.99 3.98/1.99 6: f0 -> f9 : A'=free_2, B'=0, D'=0, [], cost: 1 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Eliminated locations (on tree-shaped paths): 3.98/1.99 3.98/1.99 Start location: f0 3.98/1.99 3.98/1.99 11: f0 -> [6] : A'=free_2, B'=0, C'=free, D'=0, [ 0>=free_2 && free>=1 ], cost: INF 3.98/1.99 3.98/1.99 12: f0 -> [7] : A'=free_2, B'=0, D'=0, [ free_2>=1 ], cost: INF 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 ### Computing asymptotic complexity ### 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Fully simplified ITS problem 3.98/1.99 3.98/1.99 Start location: f0 3.98/1.99 3.98/1.99 11: f0 -> [6] : A'=free_2, B'=0, C'=free, D'=0, [ 0>=free_2 && free>=1 ], cost: INF 3.98/1.99 3.98/1.99 12: f0 -> [7] : A'=free_2, B'=0, D'=0, [ free_2>=1 ], cost: INF 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Computing asymptotic complexity for rule 11 3.98/1.99 3.98/1.99 Resulting cost INF has complexity: Nonterm 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Found new complexity Nonterm. 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 Obtained the following overall complexity (w.r.t. the length of the input n): 3.98/1.99 3.98/1.99 Complexity: Nonterm 3.98/1.99 3.98/1.99 Cpx degree: Nonterm 3.98/1.99 3.98/1.99 Solved cost: INF 3.98/1.99 3.98/1.99 Rule cost: INF 3.98/1.99 3.98/1.99 Rule guard: [ 0>=free_2 && free>=1 ] 3.98/1.99 3.98/1.99 3.98/1.99 3.98/1.99 NO 3.98/1.99 3.98/1.99 3.98/1.99 ---------------------------------------- 3.98/1.99 3.98/1.99 (2) 3.98/1.99 BOUNDS(INF, INF) 3.98/2.00 EOF