/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# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(INF, INF). (0) CpxIntTrs (1) Loat Proof [FINISHED, 326 ms] (2) BOUNDS(INF, INF) ---------------------------------------- (0) Obligation: Complexity Int TRS consisting of the following rules: f1(A, B, C, D, E, F, G, H, I) -> Com_1(f1(A, B, K, L, J, M, G, H, I)) :|: J >= 1 && B >= 1 + A f1(A, B, C, D, E, F, G, H, I) -> Com_1(f1(A, B, K, L, J, M, G, H, I)) :|: 0 >= J + 1 && B >= 1 + A f1(A, B, C, D, E, F, G, H, I) -> Com_1(f1(A, B, K, L, 0, F, G, H, I)) :|: B >= 1 + A f1(A, B, C, D, E, F, G, H, I) -> Com_1(f300(A, B, K, L, E, F, J, H, I)) :|: A >= B f2(A, B, C, D, E, F, G, H, I) -> Com_1(f1(A, B, C, D, E, F, G, K, L)) :|: TRUE The start-symbols are:[f2_9] ---------------------------------------- (1) Loat Proof (FINISHED) ### Pre-processing the ITS problem ### Initial linear ITS problem Start location: f2 0: f1 -> f1 : C'=free_2, D'=free_3, E'=free_1, F'=free, [ free_1>=1 && A>=1+B ], cost: 1 1: f1 -> f1 : C'=free_6, D'=free_7, E'=free_5, F'=free_4, [ 0>=1+free_5 && A>=1+B ], cost: 1 2: f1 -> f1 : C'=free_8, D'=free_9, E'=0, [ A>=1+B ], cost: 1 3: f1 -> f300 : C'=free_11, D'=free_12, G'=free_10, [ B>=A ], cost: 1 4: f2 -> f1 : H'=free_13, Q'=free_14, [], cost: 1 Checking for constant complexity: The following rule is satisfiable with cost >= 1, yielding constant complexity: 4: f2 -> f1 : H'=free_13, Q'=free_14, [], cost: 1 Removed unreachable and leaf rules: Start location: f2 0: f1 -> f1 : C'=free_2, D'=free_3, E'=free_1, F'=free, [ free_1>=1 && A>=1+B ], cost: 1 1: f1 -> f1 : C'=free_6, D'=free_7, E'=free_5, F'=free_4, [ 0>=1+free_5 && A>=1+B ], cost: 1 2: f1 -> f1 : C'=free_8, D'=free_9, E'=0, [ A>=1+B ], cost: 1 4: f2 -> f1 : H'=free_13, Q'=free_14, [], cost: 1 ### Simplification by acceleration and chaining ### Accelerating simple loops of location 0. Accelerating the following rules: 0: f1 -> f1 : C'=free_2, D'=free_3, E'=free_1, F'=free, [ free_1>=1 && A>=1+B ], cost: 1 1: f1 -> f1 : C'=free_6, D'=free_7, E'=free_5, F'=free_4, [ 0>=1+free_5 && A>=1+B ], cost: 1 2: f1 -> f1 : C'=free_8, D'=free_9, E'=0, [ A>=1+B ], cost: 1 Accelerated rule 0 with NONTERM, yielding the new rule 5. Accelerated rule 1 with NONTERM, yielding the new rule 6. Accelerated rule 2 with NONTERM, yielding the new rule 7. Removing the simple loops: 0 1 2. Accelerated all simple loops using metering functions (where possible): Start location: f2 5: f1 -> [3] : [ free_1>=1 && A>=1+B ], cost: NONTERM 6: f1 -> [3] : [ 0>=1+free_5 && A>=1+B ], cost: NONTERM 7: f1 -> [3] : [ A>=1+B ], cost: NONTERM 4: f2 -> f1 : H'=free_13, Q'=free_14, [], cost: 1 Chained accelerated rules (with incoming rules): Start location: f2 4: f2 -> f1 : H'=free_13, Q'=free_14, [], cost: 1 8: f2 -> [3] : H'=free_13, Q'=free_14, [ A>=1+B ], cost: NONTERM 9: f2 -> [3] : H'=free_13, Q'=free_14, [ A>=1+B ], cost: NONTERM 10: f2 -> [3] : H'=free_13, Q'=free_14, [ A>=1+B ], cost: NONTERM Removed unreachable locations (and leaf rules with constant cost): Start location: f2 8: f2 -> [3] : H'=free_13, Q'=free_14, [ A>=1+B ], cost: NONTERM 9: f2 -> [3] : H'=free_13, Q'=free_14, [ A>=1+B ], cost: NONTERM 10: f2 -> [3] : H'=free_13, Q'=free_14, [ A>=1+B ], cost: NONTERM ### Computing asymptotic complexity ### Fully simplified ITS problem Start location: f2 10: f2 -> [3] : H'=free_13, Q'=free_14, [ A>=1+B ], cost: NONTERM Computing asymptotic complexity for rule 10 Guard is satisfiable, yielding nontermination Resulting cost NONTERM 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: NONTERM Rule cost: NONTERM Rule guard: [ A>=1+B ] NO ---------------------------------------- (2) BOUNDS(INF, INF)