/export/starexec/sandbox2/solver/bin/starexec_run_complexity /export/starexec/sandbox2/benchmark/theBenchmark.koat /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- WORST_CASE(?, O(1)) 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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, 1). (0) CpxIntTrs (1) Koat Proof [FINISHED, 21 ms] (2) BOUNDS(1, 1) ---------------------------------------- (0) Obligation: Complexity Int TRS consisting of the following rules: f11(A, B, C, D, E, F, G, H, I, J, K) -> Com_1(f54(A, B, B + A, D, E, F, G, H, I, J, K)) :|: A >= B f11(A, B, C, D, E, F, G, H, I, J, K) -> Com_1(f54(A, B, B - A, D, E, F, G, H, I, J, K)) :|: B >= 1 + A f38(A, B, C, D, E, F, G, H, I, J, K) -> Com_1(f11(L, B, C, D, E, D, D, H, I, J, K)) :|: D >= 1 + E f38(A, B, C, D, E, F, G, H, I, J, K) -> Com_1(f11(L, B, C, D, E, D, D, M, I, J, K)) :|: E >= D f0(A, B, C, D, E, F, G, H, I, J, K) -> Com_1(f38(1, 2, C, 1, 10, F, G, H, 10, 2, L)) :|: TRUE The start-symbols are:[f0_11] ---------------------------------------- (1) Koat Proof (FINISHED) YES(?, 4) Initial complexity problem: 1: T: (Comp: ?, Cost: 1) f11(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5, ar_6, ar_7, ar_8, ar_9, ar_10) -> Com_1(f54(ar_0, ar_1, ar_1 + ar_0, ar_3, ar_4, ar_5, ar_6, ar_7, ar_8, ar_9, ar_10)) [ ar_0 >= ar_1 ] (Comp: ?, Cost: 1) f11(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5, ar_6, ar_7, ar_8, ar_9, ar_10) -> Com_1(f54(ar_0, ar_1, ar_1 - ar_0, ar_3, ar_4, ar_5, ar_6, ar_7, ar_8, ar_9, ar_10)) [ ar_1 >= ar_0 + 1 ] (Comp: ?, Cost: 1) f38(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5, ar_6, ar_7, ar_8, ar_9, ar_10) -> Com_1(f11(l, ar_1, ar_2, ar_3, ar_4, ar_3, ar_3, ar_7, ar_8, ar_9, ar_10)) [ ar_3 >= ar_4 + 1 ] (Comp: ?, Cost: 1) f38(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5, ar_6, ar_7, ar_8, ar_9, ar_10) -> Com_1(f11(l, ar_1, ar_2, ar_3, ar_4, ar_3, ar_3, m, ar_8, ar_9, ar_10)) [ ar_4 >= ar_3 ] (Comp: ?, Cost: 1) f0(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5, ar_6, ar_7, ar_8, ar_9, ar_10) -> Com_1(f38(1, 2, ar_2, 1, 10, ar_5, ar_6, ar_7, 10, 2, l)) (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5, ar_6, ar_7, ar_8, ar_9, ar_10) -> Com_1(f0(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5, ar_6, ar_7, ar_8, ar_9, ar_10)) [ 0 <= 0 ] start location: koat_start leaf cost: 0 Slicing away variables that do not contribute to conditions from problem 1 leaves variables [ar_0, ar_1, ar_3, ar_4]. We thus obtain the following problem: 2: T: (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_3, ar_4) -> Com_1(f0(ar_0, ar_1, ar_3, ar_4)) [ 0 <= 0 ] (Comp: ?, Cost: 1) f0(ar_0, ar_1, ar_3, ar_4) -> Com_1(f38(1, 2, 1, 10)) (Comp: ?, Cost: 1) f38(ar_0, ar_1, ar_3, ar_4) -> Com_1(f11(l, ar_1, ar_3, ar_4)) [ ar_4 >= ar_3 ] (Comp: ?, Cost: 1) f38(ar_0, ar_1, ar_3, ar_4) -> Com_1(f11(l, ar_1, ar_3, ar_4)) [ ar_3 >= ar_4 + 1 ] (Comp: ?, Cost: 1) f11(ar_0, ar_1, ar_3, ar_4) -> Com_1(f54(ar_0, ar_1, ar_3, ar_4)) [ ar_1 >= ar_0 + 1 ] (Comp: ?, Cost: 1) f11(ar_0, ar_1, ar_3, ar_4) -> Com_1(f54(ar_0, ar_1, ar_3, ar_4)) [ ar_0 >= ar_1 ] start location: koat_start leaf cost: 0 Testing for reachability in the complexity graph removes the following transition from problem 2: f38(ar_0, ar_1, ar_3, ar_4) -> Com_1(f11(l, ar_1, ar_3, ar_4)) [ ar_3 >= ar_4 + 1 ] We thus obtain the following problem: 3: T: (Comp: ?, Cost: 1) f11(ar_0, ar_1, ar_3, ar_4) -> Com_1(f54(ar_0, ar_1, ar_3, ar_4)) [ ar_0 >= ar_1 ] (Comp: ?, Cost: 1) f11(ar_0, ar_1, ar_3, ar_4) -> Com_1(f54(ar_0, ar_1, ar_3, ar_4)) [ ar_1 >= ar_0 + 1 ] (Comp: ?, Cost: 1) f38(ar_0, ar_1, ar_3, ar_4) -> Com_1(f11(l, ar_1, ar_3, ar_4)) [ ar_4 >= ar_3 ] (Comp: ?, Cost: 1) f0(ar_0, ar_1, ar_3, ar_4) -> Com_1(f38(1, 2, 1, 10)) (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_3, ar_4) -> Com_1(f0(ar_0, ar_1, ar_3, ar_4)) [ 0 <= 0 ] start location: koat_start leaf cost: 0 Repeatedly propagating knowledge in problem 3 produces the following problem: 4: T: (Comp: 1, Cost: 1) f11(ar_0, ar_1, ar_3, ar_4) -> Com_1(f54(ar_0, ar_1, ar_3, ar_4)) [ ar_0 >= ar_1 ] (Comp: 1, Cost: 1) f11(ar_0, ar_1, ar_3, ar_4) -> Com_1(f54(ar_0, ar_1, ar_3, ar_4)) [ ar_1 >= ar_0 + 1 ] (Comp: 1, Cost: 1) f38(ar_0, ar_1, ar_3, ar_4) -> Com_1(f11(l, ar_1, ar_3, ar_4)) [ ar_4 >= ar_3 ] (Comp: 1, Cost: 1) f0(ar_0, ar_1, ar_3, ar_4) -> Com_1(f38(1, 2, 1, 10)) (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_3, ar_4) -> Com_1(f0(ar_0, ar_1, ar_3, ar_4)) [ 0 <= 0 ] start location: koat_start leaf cost: 0 Complexity upper bound 4 Time: 0.026 sec (SMT: 0.024 sec) ---------------------------------------- (2) BOUNDS(1, 1)