3.55/1.76 WORST_CASE(?, O(1)) 3.55/1.77 proof of /export/starexec/sandbox2/benchmark/theBenchmark.koat 3.55/1.77 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.55/1.77 3.55/1.77 3.55/1.77 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, 1). 3.55/1.77 3.55/1.77 (0) CpxIntTrs 3.55/1.77 (1) Koat Proof [FINISHED, 99 ms] 3.55/1.77 (2) BOUNDS(1, 1) 3.55/1.77 3.55/1.77 3.55/1.77 ---------------------------------------- 3.55/1.77 3.55/1.77 (0) 3.55/1.77 Obligation: 3.55/1.77 Complexity Int TRS consisting of the following rules: 3.55/1.77 f8(A, B, C, D) -> Com_1(f8(A - 1, B, C, D)) :|: A >= 0 3.55/1.77 f19(A, B, C, D) -> Com_1(f19(A, B - 1, C, D)) :|: B >= 0 3.55/1.77 f28(A, B, C, D) -> Com_1(f28(A, B, C - 1, D)) :|: C >= 0 3.55/1.77 f28(A, B, C, D) -> Com_1(f36(A, B, C, D)) :|: 0 >= C + 1 3.55/1.77 f19(A, B, C, D) -> Com_1(f28(A, B, 999, D)) :|: 0 >= B + 1 3.55/1.77 f0(A, B, C, D) -> Com_1(f19(A, 999, C, 1)) :|: TRUE 3.55/1.77 f8(A, B, C, D) -> Com_1(f19(A, 999, C, D)) :|: 0 >= A + 1 3.55/1.77 3.55/1.77 The start-symbols are:[f0_4] 3.55/1.77 3.55/1.77 3.55/1.77 ---------------------------------------- 3.55/1.77 3.55/1.77 (1) Koat Proof (FINISHED) 3.55/1.77 YES(?, 2005) 3.55/1.77 3.55/1.77 3.55/1.77 3.55/1.77 Initial complexity problem: 3.55/1.77 3.55/1.77 1: T: 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f8(ar_0, ar_1, ar_2, ar_3) -> Com_1(f8(ar_0 - 1, ar_1, ar_2, ar_3)) [ ar_0 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, ar_1 - 1, ar_2, ar_3)) [ ar_1 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f36(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, 999, ar_3)) [ 0 >= ar_1 + 1 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f0(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, 999, ar_2, 1)) 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f8(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, 999, ar_2, ar_3)) [ 0 >= ar_0 + 1 ] 3.55/1.77 3.55/1.77 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(f0(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 3.55/1.77 3.55/1.77 start location: koat_start 3.55/1.77 3.55/1.77 leaf cost: 0 3.55/1.77 3.55/1.77 3.55/1.77 3.55/1.77 Testing for reachability in the complexity graph removes the following transitions from problem 1: 3.55/1.77 3.55/1.77 f8(ar_0, ar_1, ar_2, ar_3) -> Com_1(f8(ar_0 - 1, ar_1, ar_2, ar_3)) [ ar_0 >= 0 ] 3.55/1.77 3.55/1.77 f8(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, 999, ar_2, ar_3)) [ 0 >= ar_0 + 1 ] 3.55/1.77 3.55/1.77 We thus obtain the following problem: 3.55/1.77 3.55/1.77 2: T: 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f36(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, 999, ar_3)) [ 0 >= ar_1 + 1 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, ar_1 - 1, ar_2, ar_3)) [ ar_1 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f0(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, 999, ar_2, 1)) 3.55/1.77 3.55/1.77 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(f0(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 3.55/1.77 3.55/1.77 start location: koat_start 3.55/1.77 3.55/1.77 leaf cost: 0 3.55/1.77 3.55/1.77 3.55/1.77 3.55/1.77 Repeatedly propagating knowledge in problem 2 produces the following problem: 3.55/1.77 3.55/1.77 3: T: 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f36(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, 999, ar_3)) [ 0 >= ar_1 + 1 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, ar_1 - 1, ar_2, ar_3)) [ ar_1 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: 1, Cost: 1) f0(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, 999, ar_2, 1)) 3.55/1.77 3.55/1.77 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(f0(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 3.55/1.77 3.55/1.77 start location: koat_start 3.55/1.77 3.55/1.77 leaf cost: 0 3.55/1.77 3.55/1.77 3.55/1.77 3.55/1.77 A polynomial rank function with 3.55/1.77 3.55/1.77 Pol(f28) = 1 3.55/1.77 3.55/1.77 Pol(f36) = 0 3.55/1.77 3.55/1.77 Pol(f19) = 2 3.55/1.77 3.55/1.77 Pol(f0) = 2 3.55/1.77 3.55/1.77 Pol(koat_start) = 2 3.55/1.77 3.55/1.77 orients all transitions weakly and the transitions 3.55/1.77 3.55/1.77 f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f36(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 3.55/1.77 3.55/1.77 f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, 999, ar_3)) [ 0 >= ar_1 + 1 ] 3.55/1.77 3.55/1.77 strictly and produces the following problem: 3.55/1.77 3.55/1.77 4: T: 3.55/1.77 3.55/1.77 (Comp: 2, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f36(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: 2, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, 999, ar_3)) [ 0 >= ar_1 + 1 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, ar_1 - 1, ar_2, ar_3)) [ ar_1 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: 1, Cost: 1) f0(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, 999, ar_2, 1)) 3.55/1.77 3.55/1.77 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(f0(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 3.55/1.77 3.55/1.77 start location: koat_start 3.55/1.77 3.55/1.77 leaf cost: 0 3.55/1.77 3.55/1.77 3.55/1.77 3.55/1.77 A polynomial rank function with 3.55/1.77 3.55/1.77 Pol(f28) = V_3 + 1 3.55/1.77 3.55/1.77 Pol(f36) = V_3 3.55/1.77 3.55/1.77 Pol(f19) = 1000 3.55/1.77 3.55/1.77 Pol(f0) = 1000 3.55/1.77 3.55/1.77 Pol(koat_start) = 1000 3.55/1.77 3.55/1.77 orients all transitions weakly and the transition 3.55/1.77 3.55/1.77 f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 3.55/1.77 3.55/1.77 strictly and produces the following problem: 3.55/1.77 3.55/1.77 5: T: 3.55/1.77 3.55/1.77 (Comp: 2, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f36(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 3.55/1.77 3.55/1.77 (Comp: 1000, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: 2, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, 999, ar_3)) [ 0 >= ar_1 + 1 ] 3.55/1.77 3.55/1.77 (Comp: ?, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, ar_1 - 1, ar_2, ar_3)) [ ar_1 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: 1, Cost: 1) f0(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, 999, ar_2, 1)) 3.55/1.77 3.55/1.77 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(f0(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 3.55/1.77 3.55/1.77 start location: koat_start 3.55/1.77 3.55/1.77 leaf cost: 0 3.55/1.77 3.55/1.77 3.55/1.77 3.55/1.77 A polynomial rank function with 3.55/1.77 3.55/1.77 Pol(f28) = V_2 3.55/1.77 3.55/1.77 Pol(f36) = V_2 3.55/1.77 3.55/1.77 Pol(f19) = V_2 + 1 3.55/1.77 3.55/1.77 Pol(f0) = 1000 3.55/1.77 3.55/1.77 Pol(koat_start) = 1000 3.55/1.77 3.55/1.77 orients all transitions weakly and the transition 3.55/1.77 3.55/1.77 f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, ar_1 - 1, ar_2, ar_3)) [ ar_1 >= 0 ] 3.55/1.77 3.55/1.77 strictly and produces the following problem: 3.55/1.77 3.55/1.77 6: T: 3.55/1.77 3.55/1.77 (Comp: 2, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f36(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 3.55/1.77 3.55/1.77 (Comp: 1000, Cost: 1) f28(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: 2, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f28(ar_0, ar_1, 999, ar_3)) [ 0 >= ar_1 + 1 ] 3.55/1.77 3.55/1.77 (Comp: 1000, Cost: 1) f19(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, ar_1 - 1, ar_2, ar_3)) [ ar_1 >= 0 ] 3.55/1.77 3.55/1.77 (Comp: 1, Cost: 1) f0(ar_0, ar_1, ar_2, ar_3) -> Com_1(f19(ar_0, 999, ar_2, 1)) 3.55/1.77 3.55/1.77 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(f0(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 3.55/1.77 3.55/1.77 start location: koat_start 3.55/1.77 3.55/1.77 leaf cost: 0 3.55/1.77 3.55/1.77 3.55/1.77 3.55/1.77 Complexity upper bound 2005 3.55/1.77 3.55/1.77 3.55/1.77 3.55/1.77 Time: 0.093 sec (SMT: 0.085 sec) 3.55/1.77 3.55/1.77 3.55/1.77 ---------------------------------------- 3.55/1.77 3.55/1.77 (2) 3.55/1.77 BOUNDS(1, 1) 3.55/1.79 EOF