/export/starexec/sandbox2/solver/bin/starexec_run_complexity /export/starexec/sandbox2/benchmark/theBenchmark.koat /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- WORST_CASE(NON_POLY, ?) proof of /export/starexec/sandbox2/benchmark/theBenchmark.koat # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(INF, INF). (0) CpxIntTrs (1) Loat Proof [FINISHED, 633 ms] (2) BOUNDS(INF, INF) ---------------------------------------- (0) Obligation: Complexity Int TRS consisting of the following rules: f6(A, B, C) -> Com_1(f9(A, D, C)) :|: 0 >= A + 1 f6(A, B, C) -> Com_1(f9(A, D, C)) :|: A >= 1 f6(A, B, C) -> Com_1(f17(0, B, C)) :|: A >= 0 && A <= 0 f17(A, B, C) -> Com_1(f24(A, B, C)) :|: 0 >= C f17(A, B, C) -> Com_1(f24(A, B, C)) :|: C >= 2 f17(A, B, C) -> Com_1(f24(A, B, 0)) :|: C >= 1 && C <= 1 f9(A, B, C) -> Com_1(f17(A, 0, 1)) :|: B >= 0 && B <= 0 f9(A, B, C) -> Com_1(f6(D, B, C)) :|: 0 >= B + 1 f9(A, B, C) -> Com_1(f6(D, B, C)) :|: B >= 1 f0(A, B, C) -> Com_1(f6(D, B, 0)) :|: TRUE The start-symbols are:[f0_3] ---------------------------------------- (1) Loat Proof (FINISHED) ### Pre-processing the ITS problem ### Initial linear ITS problem Start location: f0 0: f6 -> f9 : B'=free, [ 0>=1+A ], cost: 1 1: f6 -> f9 : B'=free_1, [ A>=1 ], cost: 1 2: f6 -> f17 : A'=0, [ A==0 ], cost: 1 3: f17 -> f24 : [ 0>=C ], cost: 1 4: f17 -> f24 : [ C>=2 ], cost: 1 5: f17 -> f24 : C'=0, [ C==1 ], cost: 1 6: f9 -> f17 : B'=0, C'=1, [ B==0 ], cost: 1 7: f9 -> f6 : A'=free_2, [ 0>=1+B ], cost: 1 8: f9 -> f6 : A'=free_3, [ B>=1 ], cost: 1 9: f0 -> f6 : A'=free_4, C'=0, [], cost: 1 Removed unreachable and leaf rules: Start location: f0 0: f6 -> f9 : B'=free, [ 0>=1+A ], cost: 1 1: f6 -> f9 : B'=free_1, [ A>=1 ], cost: 1 7: f9 -> f6 : A'=free_2, [ 0>=1+B ], cost: 1 8: f9 -> f6 : A'=free_3, [ B>=1 ], cost: 1 9: f0 -> f6 : A'=free_4, C'=0, [], cost: 1 ### Simplification by acceleration and chaining ### Eliminated locations (on tree-shaped paths): Start location: f0 10: f6 -> f6 : A'=free_2, B'=free, [ 0>=1+A && 0>=1+free ], cost: 2 11: f6 -> f6 : A'=free_3, B'=free, [ 0>=1+A && free>=1 ], cost: 2 12: f6 -> f6 : A'=free_2, B'=free_1, [ A>=1 && 0>=1+free_1 ], cost: 2 13: f6 -> f6 : A'=free_3, B'=free_1, [ A>=1 && free_1>=1 ], cost: 2 9: f0 -> f6 : A'=free_4, C'=0, [], cost: 1 Accelerating simple loops of location 0. Accelerating the following rules: 10: f6 -> f6 : A'=free_2, B'=free, [ 0>=1+A && 0>=1+free ], cost: 2 11: f6 -> f6 : A'=free_3, B'=free, [ 0>=1+A && free>=1 ], cost: 2 12: f6 -> f6 : A'=free_2, B'=free_1, [ A>=1 && 0>=1+free_1 ], cost: 2 13: f6 -> f6 : A'=free_3, B'=free_1, [ A>=1 && free_1>=1 ], cost: 2 Accelerated rule 10 with NONTERM (after strengthening guard), yielding the new rule 14. Accelerated rule 11 with NONTERM (after strengthening guard), yielding the new rule 15. Accelerated rule 12 with NONTERM (after strengthening guard), yielding the new rule 16. Accelerated rule 13 with NONTERM (after strengthening guard), yielding the new rule 17. Removing the simple loops:. Accelerated all simple loops using metering functions (where possible): Start location: f0 10: f6 -> f6 : A'=free_2, B'=free, [ 0>=1+A && 0>=1+free ], cost: 2 11: f6 -> f6 : A'=free_3, B'=free, [ 0>=1+A && free>=1 ], cost: 2 12: f6 -> f6 : A'=free_2, B'=free_1, [ A>=1 && 0>=1+free_1 ], cost: 2 13: f6 -> f6 : A'=free_3, B'=free_1, [ A>=1 && free_1>=1 ], cost: 2 14: f6 -> [5] : [ 0>=1+A && 0>=1+free && 0>=1+free_2 ], cost: INF 15: f6 -> [5] : [ 0>=1+A && free>=1 && 0>=1+free_3 ], cost: INF 16: f6 -> [5] : [ A>=1 && 0>=1+free_1 && free_2>=1 ], cost: INF 17: f6 -> [5] : [ A>=1 && free_1>=1 && free_3>=1 ], cost: INF 9: f0 -> f6 : A'=free_4, C'=0, [], cost: 1 Chained accelerated rules (with incoming rules): Start location: f0 9: f0 -> f6 : A'=free_4, C'=0, [], cost: 1 18: f0 -> f6 : A'=free_2, B'=free, C'=0, [ 0>=1+free ], cost: 3 19: f0 -> f6 : A'=free_3, B'=free, C'=0, [ free>=1 ], cost: 3 20: f0 -> f6 : A'=free_2, B'=free_1, C'=0, [ 0>=1+free_1 ], cost: 3 21: f0 -> f6 : A'=free_3, B'=free_1, C'=0, [ free_1>=1 ], cost: 3 22: f0 -> [5] : A'=free_4, C'=0, [ 0>=1+free_4 ], cost: INF 23: f0 -> [5] : A'=free_4, C'=0, [ 0>=1+free_4 ], cost: INF 24: f0 -> [5] : A'=free_4, C'=0, [ free_4>=1 ], cost: INF 25: f0 -> [5] : A'=free_4, C'=0, [ free_4>=1 ], cost: INF Removed unreachable locations (and leaf rules with constant cost): Start location: f0 22: f0 -> [5] : A'=free_4, C'=0, [ 0>=1+free_4 ], cost: INF 23: f0 -> [5] : A'=free_4, C'=0, [ 0>=1+free_4 ], cost: INF 24: f0 -> [5] : A'=free_4, C'=0, [ free_4>=1 ], cost: INF 25: f0 -> [5] : A'=free_4, C'=0, [ free_4>=1 ], cost: INF ### Computing asymptotic complexity ### Fully simplified ITS problem Start location: f0 23: f0 -> [5] : A'=free_4, C'=0, [ 0>=1+free_4 ], cost: INF 25: f0 -> [5] : A'=free_4, C'=0, [ free_4>=1 ], cost: INF Computing asymptotic complexity for rule 23 Resulting cost INF has complexity: Nonterm Found new complexity Nonterm. Obtained the following overall complexity (w.r.t. the length of the input n): Complexity: Nonterm Cpx degree: Nonterm Solved cost: INF Rule cost: INF Rule guard: [ 0>=1+free_4 ] NO ---------------------------------------- (2) BOUNDS(INF, INF)