5.03/2.44 WORST_CASE(Omega(n^1), O(n^1)) 5.03/2.45 proof of /export/starexec/sandbox/benchmark/theBenchmark.koat 5.03/2.45 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.03/2.45 5.03/2.45 5.03/2.45 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(n^1, n^1). 5.03/2.45 5.03/2.45 (0) CpxIntTrs 5.03/2.45 (1) Koat Proof [FINISHED, 113 ms] 5.03/2.45 (2) BOUNDS(1, n^1) 5.03/2.45 (3) Loat Proof [FINISHED, 703 ms] 5.03/2.45 (4) BOUNDS(n^1, INF) 5.03/2.45 5.03/2.45 5.03/2.45 ---------------------------------------- 5.03/2.45 5.03/2.45 (0) 5.03/2.45 Obligation: 5.03/2.45 Complexity Int TRS consisting of the following rules: 5.03/2.45 evalfstart(A, B, C) -> Com_1(evalfentryin(A, B, C)) :|: TRUE 5.03/2.45 evalfentryin(A, B, C) -> Com_1(evalfbb5in(0, B, C)) :|: TRUE 5.03/2.45 evalfbb5in(A, B, C) -> Com_1(evalfreturnin(A, B, C)) :|: A >= B 5.03/2.45 evalfbb5in(A, B, C) -> Com_1(evalfbb6in(A, B, C)) :|: B >= A + 1 5.03/2.45 evalfbb6in(A, B, C) -> Com_1(evalfbb2in(A, B, A)) :|: 0 >= D + 1 5.03/2.45 evalfbb6in(A, B, C) -> Com_1(evalfbb2in(A, B, A)) :|: D >= 1 5.03/2.45 evalfbb6in(A, B, C) -> Com_1(evalfreturnin(A, B, C)) :|: TRUE 5.03/2.45 evalfbb2in(A, B, C) -> Com_1(evalfbb4in(A, B, C)) :|: C >= B 5.03/2.45 evalfbb2in(A, B, C) -> Com_1(evalfbb3in(A, B, C)) :|: B >= C + 1 5.03/2.45 evalfbb3in(A, B, C) -> Com_1(evalfbb1in(A, B, C)) :|: 0 >= D + 1 5.03/2.45 evalfbb3in(A, B, C) -> Com_1(evalfbb1in(A, B, C)) :|: D >= 1 5.03/2.45 evalfbb3in(A, B, C) -> Com_1(evalfbb4in(A, B, C)) :|: TRUE 5.03/2.45 evalfbb1in(A, B, C) -> Com_1(evalfbb2in(A, B, C + 1)) :|: TRUE 5.03/2.45 evalfbb4in(A, B, C) -> Com_1(evalfbb5in(C + 1, B, C)) :|: TRUE 5.03/2.45 evalfreturnin(A, B, C) -> Com_1(evalfstop(A, B, C)) :|: TRUE 5.03/2.45 5.03/2.45 The start-symbols are:[evalfstart_3] 5.03/2.45 5.03/2.45 5.03/2.45 ---------------------------------------- 5.03/2.45 5.03/2.45 (1) Koat Proof (FINISHED) 5.03/2.45 YES(?, 36*ar_1 + 44) 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Initial complexity problem: 5.03/2.45 5.03/2.45 1: T: 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfstart(ar_0, ar_1, ar_2) -> Com_1(evalfentryin(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfentryin(ar_0, ar_1, ar_2) -> Com_1(evalfbb5in(0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) [ ar_0 >= ar_1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfbb6in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_0 + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_0)) [ 0 >= d + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_0)) [ d >= 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb2in(ar_0, ar_1, ar_2) -> Com_1(evalfbb4in(ar_0, ar_1, ar_2)) [ ar_2 >= ar_1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb2in(ar_0, ar_1, ar_2) -> Com_1(evalfbb3in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_2 + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb1in(ar_0, ar_1, ar_2)) [ 0 >= d + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb1in(ar_0, ar_1, ar_2)) [ d >= 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb4in(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb1in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_2 + 1)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb4in(ar_0, ar_1, ar_2) -> Com_1(evalfbb5in(ar_2 + 1, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfreturnin(ar_0, ar_1, ar_2) -> Com_1(evalfstop(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2) -> Com_1(evalfstart(ar_0, ar_1, ar_2)) [ 0 <= 0 ] 5.03/2.45 5.03/2.45 start location: koat_start 5.03/2.45 5.03/2.45 leaf cost: 0 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Repeatedly propagating knowledge in problem 1 produces the following problem: 5.03/2.45 5.03/2.45 2: T: 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 1) evalfstart(ar_0, ar_1, ar_2) -> Com_1(evalfentryin(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 1) evalfentryin(ar_0, ar_1, ar_2) -> Com_1(evalfbb5in(0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) [ ar_0 >= ar_1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfbb6in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_0 + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_0)) [ 0 >= d + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_0)) [ d >= 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb2in(ar_0, ar_1, ar_2) -> Com_1(evalfbb4in(ar_0, ar_1, ar_2)) [ ar_2 >= ar_1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb2in(ar_0, ar_1, ar_2) -> Com_1(evalfbb3in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_2 + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb1in(ar_0, ar_1, ar_2)) [ 0 >= d + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb1in(ar_0, ar_1, ar_2)) [ d >= 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb4in(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb1in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_2 + 1)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb4in(ar_0, ar_1, ar_2) -> Com_1(evalfbb5in(ar_2 + 1, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfreturnin(ar_0, ar_1, ar_2) -> Com_1(evalfstop(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2) -> Com_1(evalfstart(ar_0, ar_1, ar_2)) [ 0 <= 0 ] 5.03/2.45 5.03/2.45 start location: koat_start 5.03/2.45 5.03/2.45 leaf cost: 0 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 A polynomial rank function with 5.03/2.45 5.03/2.45 Pol(evalfstart) = 2 5.03/2.45 5.03/2.45 Pol(evalfentryin) = 2 5.03/2.45 5.03/2.45 Pol(evalfbb5in) = 2 5.03/2.45 5.03/2.45 Pol(evalfreturnin) = 1 5.03/2.45 5.03/2.45 Pol(evalfbb6in) = 2 5.03/2.45 5.03/2.45 Pol(evalfbb2in) = 2 5.03/2.45 5.03/2.45 Pol(evalfbb4in) = 2 5.03/2.45 5.03/2.45 Pol(evalfbb3in) = 2 5.03/2.45 5.03/2.45 Pol(evalfbb1in) = 2 5.03/2.45 5.03/2.45 Pol(evalfstop) = 0 5.03/2.45 5.03/2.45 Pol(koat_start) = 2 5.03/2.45 5.03/2.45 orients all transitions weakly and the transitions 5.03/2.45 5.03/2.45 evalfreturnin(ar_0, ar_1, ar_2) -> Com_1(evalfstop(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) [ ar_0 >= ar_1 ] 5.03/2.45 5.03/2.45 strictly and produces the following problem: 5.03/2.45 5.03/2.45 3: T: 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 1) evalfstart(ar_0, ar_1, ar_2) -> Com_1(evalfentryin(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 1) evalfentryin(ar_0, ar_1, ar_2) -> Com_1(evalfbb5in(0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 2, Cost: 1) evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) [ ar_0 >= ar_1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfbb6in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_0 + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_0)) [ 0 >= d + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_0)) [ d >= 1 ] 5.03/2.45 5.03/2.45 (Comp: 2, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb2in(ar_0, ar_1, ar_2) -> Com_1(evalfbb4in(ar_0, ar_1, ar_2)) [ ar_2 >= ar_1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb2in(ar_0, ar_1, ar_2) -> Com_1(evalfbb3in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_2 + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb1in(ar_0, ar_1, ar_2)) [ 0 >= d + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb1in(ar_0, ar_1, ar_2)) [ d >= 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb4in(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb1in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_2 + 1)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb4in(ar_0, ar_1, ar_2) -> Com_1(evalfbb5in(ar_2 + 1, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 2, Cost: 1) evalfreturnin(ar_0, ar_1, ar_2) -> Com_1(evalfstop(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2) -> Com_1(evalfstart(ar_0, ar_1, ar_2)) [ 0 <= 0 ] 5.03/2.45 5.03/2.45 start location: koat_start 5.03/2.45 5.03/2.45 leaf cost: 0 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 A polynomial rank function with 5.03/2.45 5.03/2.45 Pol(evalfstart) = 2*V_2 + 2 5.03/2.45 5.03/2.45 Pol(evalfentryin) = 2*V_2 + 2 5.03/2.45 5.03/2.45 Pol(evalfbb5in) = -2*V_1 + 2*V_2 + 2 5.03/2.45 5.03/2.45 Pol(evalfreturnin) = -2*V_1 + 2*V_2 5.03/2.45 5.03/2.45 Pol(evalfbb6in) = -2*V_1 + 2*V_2 + 1 5.03/2.45 5.03/2.45 Pol(evalfbb2in) = 2*V_2 - 2*V_3 + 1 5.03/2.45 5.03/2.45 Pol(evalfbb4in) = 2*V_2 - 2*V_3 5.03/2.45 5.03/2.45 Pol(evalfbb3in) = 2*V_2 - 2*V_3 5.03/2.45 5.03/2.45 Pol(evalfbb1in) = 2*V_2 - 2*V_3 5.03/2.45 5.03/2.45 Pol(evalfstop) = -2*V_1 + 2*V_2 5.03/2.45 5.03/2.45 Pol(koat_start) = 2*V_2 + 2 5.03/2.45 5.03/2.45 orients all transitions weakly and the transitions 5.03/2.45 5.03/2.45 evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfbb6in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_0 + 1 ] 5.03/2.45 5.03/2.45 evalfbb2in(ar_0, ar_1, ar_2) -> Com_1(evalfbb3in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_2 + 1 ] 5.03/2.45 5.03/2.45 strictly and produces the following problem: 5.03/2.45 5.03/2.45 4: T: 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 1) evalfstart(ar_0, ar_1, ar_2) -> Com_1(evalfentryin(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 1) evalfentryin(ar_0, ar_1, ar_2) -> Com_1(evalfbb5in(0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 2, Cost: 1) evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) [ ar_0 >= ar_1 ] 5.03/2.45 5.03/2.45 (Comp: 2*ar_1 + 2, Cost: 1) evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfbb6in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_0 + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_0)) [ 0 >= d + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_0)) [ d >= 1 ] 5.03/2.45 5.03/2.45 (Comp: 2, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb2in(ar_0, ar_1, ar_2) -> Com_1(evalfbb4in(ar_0, ar_1, ar_2)) [ ar_2 >= ar_1 ] 5.03/2.45 5.03/2.45 (Comp: 2*ar_1 + 2, Cost: 1) evalfbb2in(ar_0, ar_1, ar_2) -> Com_1(evalfbb3in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_2 + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb1in(ar_0, ar_1, ar_2)) [ 0 >= d + 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb1in(ar_0, ar_1, ar_2)) [ d >= 1 ] 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb4in(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb1in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_2 + 1)) 5.03/2.45 5.03/2.45 (Comp: ?, Cost: 1) evalfbb4in(ar_0, ar_1, ar_2) -> Com_1(evalfbb5in(ar_2 + 1, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 2, Cost: 1) evalfreturnin(ar_0, ar_1, ar_2) -> Com_1(evalfstop(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2) -> Com_1(evalfstart(ar_0, ar_1, ar_2)) [ 0 <= 0 ] 5.03/2.45 5.03/2.45 start location: koat_start 5.03/2.45 5.03/2.45 leaf cost: 0 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Repeatedly propagating knowledge in problem 4 produces the following problem: 5.03/2.45 5.03/2.45 5: T: 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 1) evalfstart(ar_0, ar_1, ar_2) -> Com_1(evalfentryin(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 1) evalfentryin(ar_0, ar_1, ar_2) -> Com_1(evalfbb5in(0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 2, Cost: 1) evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) [ ar_0 >= ar_1 ] 5.03/2.45 5.03/2.45 (Comp: 2*ar_1 + 2, Cost: 1) evalfbb5in(ar_0, ar_1, ar_2) -> Com_1(evalfbb6in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_0 + 1 ] 5.03/2.45 5.03/2.45 (Comp: 2*ar_1 + 2, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_0)) [ 0 >= d + 1 ] 5.03/2.45 5.03/2.45 (Comp: 2*ar_1 + 2, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_0)) [ d >= 1 ] 5.03/2.45 5.03/2.45 (Comp: 2, Cost: 1) evalfbb6in(ar_0, ar_1, ar_2) -> Com_1(evalfreturnin(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 8*ar_1 + 8, Cost: 1) evalfbb2in(ar_0, ar_1, ar_2) -> Com_1(evalfbb4in(ar_0, ar_1, ar_2)) [ ar_2 >= ar_1 ] 5.03/2.45 5.03/2.45 (Comp: 2*ar_1 + 2, Cost: 1) evalfbb2in(ar_0, ar_1, ar_2) -> Com_1(evalfbb3in(ar_0, ar_1, ar_2)) [ ar_1 >= ar_2 + 1 ] 5.03/2.45 5.03/2.45 (Comp: 2*ar_1 + 2, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb1in(ar_0, ar_1, ar_2)) [ 0 >= d + 1 ] 5.03/2.45 5.03/2.45 (Comp: 2*ar_1 + 2, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb1in(ar_0, ar_1, ar_2)) [ d >= 1 ] 5.03/2.45 5.03/2.45 (Comp: 2*ar_1 + 2, Cost: 1) evalfbb3in(ar_0, ar_1, ar_2) -> Com_1(evalfbb4in(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 4*ar_1 + 4, Cost: 1) evalfbb1in(ar_0, ar_1, ar_2) -> Com_1(evalfbb2in(ar_0, ar_1, ar_2 + 1)) 5.03/2.45 5.03/2.45 (Comp: 10*ar_1 + 10, Cost: 1) evalfbb4in(ar_0, ar_1, ar_2) -> Com_1(evalfbb5in(ar_2 + 1, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 2, Cost: 1) evalfreturnin(ar_0, ar_1, ar_2) -> Com_1(evalfstop(ar_0, ar_1, ar_2)) 5.03/2.45 5.03/2.45 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2) -> Com_1(evalfstart(ar_0, ar_1, ar_2)) [ 0 <= 0 ] 5.03/2.45 5.03/2.45 start location: koat_start 5.03/2.45 5.03/2.45 leaf cost: 0 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Complexity upper bound 36*ar_1 + 44 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Time: 0.118 sec (SMT: 0.102 sec) 5.03/2.45 5.03/2.45 5.03/2.45 ---------------------------------------- 5.03/2.45 5.03/2.45 (2) 5.03/2.45 BOUNDS(1, n^1) 5.03/2.45 5.03/2.45 ---------------------------------------- 5.03/2.45 5.03/2.45 (3) Loat Proof (FINISHED) 5.03/2.45 5.03/2.45 5.03/2.45 ### Pre-processing the ITS problem ### 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Initial linear ITS problem 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 0: evalfstart -> evalfentryin : [], cost: 1 5.03/2.45 5.03/2.45 1: evalfentryin -> evalfbb5in : A'=0, [], cost: 1 5.03/2.45 5.03/2.45 2: evalfbb5in -> evalfreturnin : [ A>=B ], cost: 1 5.03/2.45 5.03/2.45 3: evalfbb5in -> evalfbb6in : [ B>=1+A ], cost: 1 5.03/2.45 5.03/2.45 4: evalfbb6in -> evalfbb2in : C'=A, [ 0>=1+free ], cost: 1 5.03/2.45 5.03/2.45 5: evalfbb6in -> evalfbb2in : C'=A, [ free_1>=1 ], cost: 1 5.03/2.45 5.03/2.45 6: evalfbb6in -> evalfreturnin : [], cost: 1 5.03/2.45 5.03/2.45 7: evalfbb2in -> evalfbb4in : [ C>=B ], cost: 1 5.03/2.45 5.03/2.45 8: evalfbb2in -> evalfbb3in : [ B>=1+C ], cost: 1 5.03/2.45 5.03/2.45 9: evalfbb3in -> evalfbb1in : [ 0>=1+free_2 ], cost: 1 5.03/2.45 5.03/2.45 10: evalfbb3in -> evalfbb1in : [ free_3>=1 ], cost: 1 5.03/2.45 5.03/2.45 11: evalfbb3in -> evalfbb4in : [], cost: 1 5.03/2.45 5.03/2.45 12: evalfbb1in -> evalfbb2in : C'=1+C, [], cost: 1 5.03/2.45 5.03/2.45 13: evalfbb4in -> evalfbb5in : A'=1+C, [], cost: 1 5.03/2.45 5.03/2.45 14: evalfreturnin -> evalfstop : [], cost: 1 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Removed unreachable and leaf rules: 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 0: evalfstart -> evalfentryin : [], cost: 1 5.03/2.45 5.03/2.45 1: evalfentryin -> evalfbb5in : A'=0, [], cost: 1 5.03/2.45 5.03/2.45 3: evalfbb5in -> evalfbb6in : [ B>=1+A ], cost: 1 5.03/2.45 5.03/2.45 4: evalfbb6in -> evalfbb2in : C'=A, [ 0>=1+free ], cost: 1 5.03/2.45 5.03/2.45 5: evalfbb6in -> evalfbb2in : C'=A, [ free_1>=1 ], cost: 1 5.03/2.45 5.03/2.45 7: evalfbb2in -> evalfbb4in : [ C>=B ], cost: 1 5.03/2.45 5.03/2.45 8: evalfbb2in -> evalfbb3in : [ B>=1+C ], cost: 1 5.03/2.45 5.03/2.45 9: evalfbb3in -> evalfbb1in : [ 0>=1+free_2 ], cost: 1 5.03/2.45 5.03/2.45 10: evalfbb3in -> evalfbb1in : [ free_3>=1 ], cost: 1 5.03/2.45 5.03/2.45 11: evalfbb3in -> evalfbb4in : [], cost: 1 5.03/2.45 5.03/2.45 12: evalfbb1in -> evalfbb2in : C'=1+C, [], cost: 1 5.03/2.45 5.03/2.45 13: evalfbb4in -> evalfbb5in : A'=1+C, [], cost: 1 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Simplified all rules, resulting in: 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 0: evalfstart -> evalfentryin : [], cost: 1 5.03/2.45 5.03/2.45 1: evalfentryin -> evalfbb5in : A'=0, [], cost: 1 5.03/2.45 5.03/2.45 3: evalfbb5in -> evalfbb6in : [ B>=1+A ], cost: 1 5.03/2.45 5.03/2.45 5: evalfbb6in -> evalfbb2in : C'=A, [], cost: 1 5.03/2.45 5.03/2.45 7: evalfbb2in -> evalfbb4in : [ C>=B ], cost: 1 5.03/2.45 5.03/2.45 8: evalfbb2in -> evalfbb3in : [ B>=1+C ], cost: 1 5.03/2.45 5.03/2.45 10: evalfbb3in -> evalfbb1in : [], cost: 1 5.03/2.45 5.03/2.45 11: evalfbb3in -> evalfbb4in : [], cost: 1 5.03/2.45 5.03/2.45 12: evalfbb1in -> evalfbb2in : C'=1+C, [], cost: 1 5.03/2.45 5.03/2.45 13: evalfbb4in -> evalfbb5in : A'=1+C, [], cost: 1 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 ### Simplification by acceleration and chaining ### 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Eliminated locations (on linear paths): 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 15: evalfstart -> evalfbb5in : A'=0, [], cost: 2 5.03/2.45 5.03/2.45 16: evalfbb5in -> evalfbb2in : C'=A, [ B>=1+A ], cost: 2 5.03/2.45 5.03/2.45 7: evalfbb2in -> evalfbb4in : [ C>=B ], cost: 1 5.03/2.45 5.03/2.45 8: evalfbb2in -> evalfbb3in : [ B>=1+C ], cost: 1 5.03/2.45 5.03/2.45 11: evalfbb3in -> evalfbb4in : [], cost: 1 5.03/2.45 5.03/2.45 17: evalfbb3in -> evalfbb2in : C'=1+C, [], cost: 2 5.03/2.45 5.03/2.45 13: evalfbb4in -> evalfbb5in : A'=1+C, [], cost: 1 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Eliminated locations (on tree-shaped paths): 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 15: evalfstart -> evalfbb5in : A'=0, [], cost: 2 5.03/2.45 5.03/2.45 16: evalfbb5in -> evalfbb2in : C'=A, [ B>=1+A ], cost: 2 5.03/2.45 5.03/2.45 19: evalfbb2in -> evalfbb2in : C'=1+C, [ B>=1+C ], cost: 3 5.03/2.45 5.03/2.45 20: evalfbb2in -> evalfbb5in : A'=1+C, [ C>=B ], cost: 2 5.03/2.45 5.03/2.45 21: evalfbb2in -> evalfbb5in : A'=1+C, [ B>=1+C ], cost: 3 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Accelerating simple loops of location 4. 5.03/2.45 5.03/2.45 Accelerating the following rules: 5.03/2.45 5.03/2.45 19: evalfbb2in -> evalfbb2in : C'=1+C, [ B>=1+C ], cost: 3 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Accelerated rule 19 with metering function -C+B, yielding the new rule 22. 5.03/2.45 5.03/2.45 Removing the simple loops: 19. 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Accelerated all simple loops using metering functions (where possible): 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 15: evalfstart -> evalfbb5in : A'=0, [], cost: 2 5.03/2.45 5.03/2.45 16: evalfbb5in -> evalfbb2in : C'=A, [ B>=1+A ], cost: 2 5.03/2.45 5.03/2.45 20: evalfbb2in -> evalfbb5in : A'=1+C, [ C>=B ], cost: 2 5.03/2.45 5.03/2.45 21: evalfbb2in -> evalfbb5in : A'=1+C, [ B>=1+C ], cost: 3 5.03/2.45 5.03/2.45 22: evalfbb2in -> evalfbb2in : C'=B, [ B>=1+C ], cost: -3*C+3*B 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Chained accelerated rules (with incoming rules): 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 15: evalfstart -> evalfbb5in : A'=0, [], cost: 2 5.03/2.45 5.03/2.45 16: evalfbb5in -> evalfbb2in : C'=A, [ B>=1+A ], cost: 2 5.03/2.45 5.03/2.45 23: evalfbb5in -> evalfbb2in : C'=B, [ B>=1+A ], cost: 2-3*A+3*B 5.03/2.45 5.03/2.45 20: evalfbb2in -> evalfbb5in : A'=1+C, [ C>=B ], cost: 2 5.03/2.45 5.03/2.45 21: evalfbb2in -> evalfbb5in : A'=1+C, [ B>=1+C ], cost: 3 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Eliminated locations (on tree-shaped paths): 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 15: evalfstart -> evalfbb5in : A'=0, [], cost: 2 5.03/2.45 5.03/2.45 24: evalfbb5in -> evalfbb5in : A'=1+A, C'=A, [ B>=1+A ], cost: 5 5.03/2.45 5.03/2.45 25: evalfbb5in -> evalfbb5in : A'=1+B, C'=B, [ B>=1+A ], cost: 4-3*A+3*B 5.03/2.45 5.03/2.45 26: evalfbb5in -> [11] : [ B>=1+A ], cost: 2-3*A+3*B 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Accelerating simple loops of location 2. 5.03/2.45 5.03/2.45 Accelerating the following rules: 5.03/2.45 5.03/2.45 24: evalfbb5in -> evalfbb5in : A'=1+A, C'=A, [ B>=1+A ], cost: 5 5.03/2.45 5.03/2.45 25: evalfbb5in -> evalfbb5in : A'=1+B, C'=B, [ B>=1+A ], cost: 4-3*A+3*B 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Accelerated rule 24 with metering function -A+B, yielding the new rule 27. 5.03/2.45 5.03/2.45 Found no metering function for rule 25. 5.03/2.45 5.03/2.45 Removing the simple loops: 24. 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Accelerated all simple loops using metering functions (where possible): 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 15: evalfstart -> evalfbb5in : A'=0, [], cost: 2 5.03/2.45 5.03/2.45 25: evalfbb5in -> evalfbb5in : A'=1+B, C'=B, [ B>=1+A ], cost: 4-3*A+3*B 5.03/2.45 5.03/2.45 26: evalfbb5in -> [11] : [ B>=1+A ], cost: 2-3*A+3*B 5.03/2.45 5.03/2.45 27: evalfbb5in -> evalfbb5in : A'=B, C'=-1+B, [ B>=1+A ], cost: -5*A+5*B 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Chained accelerated rules (with incoming rules): 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 15: evalfstart -> evalfbb5in : A'=0, [], cost: 2 5.03/2.45 5.03/2.45 28: evalfstart -> evalfbb5in : A'=1+B, C'=B, [ B>=1 ], cost: 6+3*B 5.03/2.45 5.03/2.45 29: evalfstart -> evalfbb5in : A'=B, C'=-1+B, [ B>=1 ], cost: 2+5*B 5.03/2.45 5.03/2.45 26: evalfbb5in -> [11] : [ B>=1+A ], cost: 2-3*A+3*B 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Eliminated locations (on tree-shaped paths): 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 30: evalfstart -> [11] : A'=0, [ B>=1 ], cost: 4+3*B 5.03/2.45 5.03/2.45 31: evalfstart -> [13] : [ B>=1 ], cost: 6+3*B 5.03/2.45 5.03/2.45 32: evalfstart -> [13] : [ B>=1 ], cost: 2+5*B 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 ### Computing asymptotic complexity ### 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Fully simplified ITS problem 5.03/2.45 5.03/2.45 Start location: evalfstart 5.03/2.45 5.03/2.45 31: evalfstart -> [13] : [ B>=1 ], cost: 6+3*B 5.03/2.45 5.03/2.45 32: evalfstart -> [13] : [ B>=1 ], cost: 2+5*B 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Computing asymptotic complexity for rule 31 5.03/2.45 5.03/2.45 Solved the limit problem by the following transformations: 5.03/2.45 5.03/2.45 Created initial limit problem: 5.03/2.45 5.03/2.45 6+3*B (+), B (+/+!) [not solved] 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 removing all constraints (solved by SMT) 5.03/2.45 5.03/2.45 resulting limit problem: [solved] 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 applying transformation rule (C) using substitution {B==n} 5.03/2.45 5.03/2.45 resulting limit problem: 5.03/2.45 5.03/2.45 [solved] 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Solution: 5.03/2.45 5.03/2.45 B / n 5.03/2.45 5.03/2.45 Resulting cost 6+3*n has complexity: Poly(n^1) 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Found new complexity Poly(n^1). 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 Obtained the following overall complexity (w.r.t. the length of the input n): 5.03/2.45 5.03/2.45 Complexity: Poly(n^1) 5.03/2.45 5.03/2.45 Cpx degree: 1 5.03/2.45 5.03/2.45 Solved cost: 6+3*n 5.03/2.45 5.03/2.45 Rule cost: 6+3*B 5.03/2.45 5.03/2.45 Rule guard: [ B>=1 ] 5.03/2.45 5.03/2.45 5.03/2.45 5.03/2.45 WORST_CASE(Omega(n^1),?) 5.03/2.45 5.03/2.45 5.03/2.45 ---------------------------------------- 5.03/2.45 5.03/2.45 (4) 5.03/2.45 BOUNDS(n^1, INF) 5.03/2.47 EOF