3.14/1.78 WORST_CASE(?, O(1)) 3.51/1.79 proof of /export/starexec/sandbox2/benchmark/theBenchmark.koat 3.51/1.79 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.51/1.79 3.51/1.79 3.51/1.79 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, 1). 3.51/1.79 3.51/1.79 (0) CpxIntTrs 3.51/1.79 (1) Koat Proof [FINISHED, 10 ms] 3.51/1.79 (2) BOUNDS(1, 1) 3.51/1.79 3.51/1.79 3.51/1.79 ---------------------------------------- 3.51/1.79 3.51/1.79 (0) 3.51/1.79 Obligation: 3.51/1.79 Complexity Int TRS consisting of the following rules: 3.51/1.79 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 3.51/1.79 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 3.51/1.79 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 3.51/1.79 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 3.51/1.79 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 3.51/1.79 3.51/1.79 The start-symbols are:[f0_11] 3.51/1.79 3.51/1.79 3.51/1.79 ---------------------------------------- 3.51/1.79 3.51/1.79 (1) Koat Proof (FINISHED) 3.51/1.79 YES(?, 4) 3.51/1.79 3.51/1.79 3.51/1.79 3.51/1.79 Initial complexity problem: 3.51/1.79 3.51/1.79 1: T: 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (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)) 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 start location: koat_start 3.51/1.79 3.51/1.79 leaf cost: 0 3.51/1.79 3.51/1.79 3.51/1.79 3.51/1.79 Slicing away variables that do not contribute to conditions from problem 1 leaves variables [ar_0, ar_1, ar_3, ar_4]. 3.51/1.79 3.51/1.79 We thus obtain the following problem: 3.51/1.79 3.51/1.79 2: T: 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (Comp: ?, Cost: 1) f0(ar_0, ar_1, ar_3, ar_4) -> Com_1(f38(1, 2, 1, 10)) 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 start location: koat_start 3.51/1.79 3.51/1.79 leaf cost: 0 3.51/1.79 3.51/1.79 3.51/1.79 3.51/1.79 Testing for reachability in the complexity graph removes the following transition from problem 2: 3.51/1.79 3.51/1.79 f38(ar_0, ar_1, ar_3, ar_4) -> Com_1(f11(l, ar_1, ar_3, ar_4)) [ ar_3 >= ar_4 + 1 ] 3.51/1.79 3.51/1.79 We thus obtain the following problem: 3.51/1.79 3.51/1.79 3: T: 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (Comp: ?, Cost: 1) f0(ar_0, ar_1, ar_3, ar_4) -> Com_1(f38(1, 2, 1, 10)) 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 start location: koat_start 3.51/1.79 3.51/1.79 leaf cost: 0 3.51/1.79 3.51/1.79 3.51/1.79 3.51/1.79 Repeatedly propagating knowledge in problem 3 produces the following problem: 3.51/1.79 3.51/1.79 4: T: 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 (Comp: 1, Cost: 1) f0(ar_0, ar_1, ar_3, ar_4) -> Com_1(f38(1, 2, 1, 10)) 3.51/1.79 3.51/1.79 (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 ] 3.51/1.79 3.51/1.79 start location: koat_start 3.51/1.79 3.51/1.79 leaf cost: 0 3.51/1.79 3.51/1.79 3.51/1.79 3.51/1.79 Complexity upper bound 4 3.51/1.79 3.51/1.79 3.51/1.79 3.51/1.79 Time: 0.027 sec (SMT: 0.026 sec) 3.51/1.79 3.51/1.79 3.51/1.79 ---------------------------------------- 3.51/1.79 3.51/1.79 (2) 3.51/1.79 BOUNDS(1, 1) 3.54/1.82 EOF