2.12/1.16 WORST_CASE(?, O(n^1)) 2.12/1.17 proof of /export/starexec/sandbox/output/output_files/bench.koat 2.12/1.17 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.12/1.17 2.12/1.17 2.12/1.17 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, n^1). 2.12/1.17 2.12/1.17 (0) CpxIntTrs 2.12/1.17 (1) Koat Proof [FINISHED, 82 ms] 2.12/1.17 (2) BOUNDS(1, n^1) 2.12/1.17 2.12/1.17 2.12/1.17 ---------------------------------------- 2.12/1.17 2.12/1.17 (0) 2.12/1.17 Obligation: 2.12/1.17 Complexity Int TRS consisting of the following rules: 2.12/1.17 eval_foo_start(v_.0, v_i, v_n) -> Com_1(eval_foo_bb0_in(v_.0, v_i, v_n)) :|: TRUE 2.12/1.17 eval_foo_bb0_in(v_.0, v_i, v_n) -> Com_1(eval_foo_bb1_in(v_n - 1, v_i, v_n)) :|: TRUE 2.12/1.17 eval_foo_bb1_in(v_.0, v_i, v_n) -> Com_1(eval_foo_bb2_in(v_.0, v_i, v_n)) :|: v_.0 > 1 2.12/1.17 eval_foo_bb1_in(v_.0, v_i, v_n) -> Com_1(eval_foo_bb3_in(v_.0, v_i, v_n)) :|: v_.0 <= 1 2.12/1.17 eval_foo_bb2_in(v_.0, v_i, v_n) -> Com_1(eval_foo_bb1_in(v_.0 - 1, v_i, v_n)) :|: TRUE 2.12/1.17 eval_foo_bb3_in(v_.0, v_i, v_n) -> Com_1(eval_foo_stop(v_.0, v_i, v_n)) :|: TRUE 2.12/1.17 2.12/1.17 The start-symbols are:[eval_foo_start_3] 2.12/1.17 2.12/1.17 2.12/1.17 ---------------------------------------- 2.12/1.17 2.12/1.17 (1) Koat Proof (FINISHED) 2.12/1.17 YES(?, 2*ar_1 + 6) 2.12/1.17 2.12/1.17 2.12/1.17 2.12/1.17 Initial complexity problem: 2.12/1.17 2.12/1.17 1: T: 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoostart(ar_0, ar_1) -> Com_1(evalfoobb0in(ar_0, ar_1)) 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb0in(ar_0, ar_1) -> Com_1(evalfoobb1in(ar_1 - 1, ar_1)) 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb2in(ar_0, ar_1)) [ ar_0 >= 2 ] 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb3in(ar_0, ar_1)) [ 1 >= ar_0 ] 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1) -> Com_1(evalfoobb1in(ar_0 - 1, ar_1)) 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb3in(ar_0, ar_1) -> Com_1(evalfoostop(ar_0, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1) -> Com_1(evalfoostart(ar_0, ar_1)) [ 0 <= 0 ] 2.12/1.17 2.12/1.17 start location: koat_start 2.12/1.17 2.12/1.17 leaf cost: 0 2.12/1.17 2.12/1.17 2.12/1.17 2.12/1.17 Repeatedly propagating knowledge in problem 1 produces the following problem: 2.12/1.17 2.12/1.17 2: T: 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1) -> Com_1(evalfoobb0in(ar_0, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1) -> Com_1(evalfoobb1in(ar_1 - 1, ar_1)) 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb2in(ar_0, ar_1)) [ ar_0 >= 2 ] 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb3in(ar_0, ar_1)) [ 1 >= ar_0 ] 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1) -> Com_1(evalfoobb1in(ar_0 - 1, ar_1)) 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb3in(ar_0, ar_1) -> Com_1(evalfoostop(ar_0, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1) -> Com_1(evalfoostart(ar_0, ar_1)) [ 0 <= 0 ] 2.12/1.17 2.12/1.17 start location: koat_start 2.12/1.17 2.12/1.17 leaf cost: 0 2.12/1.17 2.12/1.17 2.12/1.17 2.12/1.17 A polynomial rank function with 2.12/1.17 2.12/1.17 Pol(evalfoostart) = 2 2.12/1.17 2.12/1.17 Pol(evalfoobb0in) = 2 2.12/1.17 2.12/1.17 Pol(evalfoobb1in) = 2 2.12/1.17 2.12/1.17 Pol(evalfoobb2in) = 2 2.12/1.17 2.12/1.17 Pol(evalfoobb3in) = 1 2.12/1.17 2.12/1.17 Pol(evalfoostop) = 0 2.12/1.17 2.12/1.17 Pol(koat_start) = 2 2.12/1.17 2.12/1.17 orients all transitions weakly and the transitions 2.12/1.17 2.12/1.17 evalfoobb3in(ar_0, ar_1) -> Com_1(evalfoostop(ar_0, ar_1)) 2.12/1.17 2.12/1.17 evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb3in(ar_0, ar_1)) [ 1 >= ar_0 ] 2.12/1.17 2.12/1.17 strictly and produces the following problem: 2.12/1.17 2.12/1.17 3: T: 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1) -> Com_1(evalfoobb0in(ar_0, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1) -> Com_1(evalfoobb1in(ar_1 - 1, ar_1)) 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb2in(ar_0, ar_1)) [ ar_0 >= 2 ] 2.12/1.17 2.12/1.17 (Comp: 2, Cost: 1) evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb3in(ar_0, ar_1)) [ 1 >= ar_0 ] 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1) -> Com_1(evalfoobb1in(ar_0 - 1, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 2, Cost: 1) evalfoobb3in(ar_0, ar_1) -> Com_1(evalfoostop(ar_0, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1) -> Com_1(evalfoostart(ar_0, ar_1)) [ 0 <= 0 ] 2.12/1.17 2.12/1.17 start location: koat_start 2.12/1.17 2.12/1.17 leaf cost: 0 2.12/1.17 2.12/1.17 2.12/1.17 2.12/1.17 A polynomial rank function with 2.12/1.17 2.12/1.17 Pol(evalfoostart) = V_2 2.12/1.17 2.12/1.17 Pol(evalfoobb0in) = V_2 2.12/1.17 2.12/1.17 Pol(evalfoobb1in) = V_1 + 1 2.12/1.17 2.12/1.17 Pol(evalfoobb2in) = V_1 2.12/1.17 2.12/1.17 Pol(evalfoobb3in) = V_1 2.12/1.17 2.12/1.17 Pol(evalfoostop) = V_1 2.12/1.17 2.12/1.17 Pol(koat_start) = V_2 2.12/1.17 2.12/1.17 orients all transitions weakly and the transition 2.12/1.17 2.12/1.17 evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb2in(ar_0, ar_1)) [ ar_0 >= 2 ] 2.12/1.17 2.12/1.17 strictly and produces the following problem: 2.12/1.17 2.12/1.17 4: T: 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1) -> Com_1(evalfoobb0in(ar_0, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1) -> Com_1(evalfoobb1in(ar_1 - 1, ar_1)) 2.12/1.17 2.12/1.17 (Comp: ar_1, Cost: 1) evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb2in(ar_0, ar_1)) [ ar_0 >= 2 ] 2.12/1.17 2.12/1.17 (Comp: 2, Cost: 1) evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb3in(ar_0, ar_1)) [ 1 >= ar_0 ] 2.12/1.17 2.12/1.17 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1) -> Com_1(evalfoobb1in(ar_0 - 1, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 2, Cost: 1) evalfoobb3in(ar_0, ar_1) -> Com_1(evalfoostop(ar_0, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1) -> Com_1(evalfoostart(ar_0, ar_1)) [ 0 <= 0 ] 2.12/1.17 2.12/1.17 start location: koat_start 2.12/1.17 2.12/1.17 leaf cost: 0 2.12/1.17 2.12/1.17 2.12/1.17 2.12/1.17 Repeatedly propagating knowledge in problem 4 produces the following problem: 2.12/1.17 2.12/1.17 5: T: 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1) -> Com_1(evalfoobb0in(ar_0, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1) -> Com_1(evalfoobb1in(ar_1 - 1, ar_1)) 2.12/1.17 2.12/1.17 (Comp: ar_1, Cost: 1) evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb2in(ar_0, ar_1)) [ ar_0 >= 2 ] 2.12/1.17 2.12/1.17 (Comp: 2, Cost: 1) evalfoobb1in(ar_0, ar_1) -> Com_1(evalfoobb3in(ar_0, ar_1)) [ 1 >= ar_0 ] 2.12/1.17 2.12/1.17 (Comp: ar_1, Cost: 1) evalfoobb2in(ar_0, ar_1) -> Com_1(evalfoobb1in(ar_0 - 1, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 2, Cost: 1) evalfoobb3in(ar_0, ar_1) -> Com_1(evalfoostop(ar_0, ar_1)) 2.12/1.17 2.12/1.17 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1) -> Com_1(evalfoostart(ar_0, ar_1)) [ 0 <= 0 ] 2.12/1.17 2.12/1.17 start location: koat_start 2.12/1.17 2.12/1.17 leaf cost: 0 2.12/1.17 2.12/1.17 2.12/1.17 2.12/1.17 Complexity upper bound 2*ar_1 + 6 2.12/1.17 2.12/1.17 2.12/1.17 2.12/1.17 Time: 0.038 sec (SMT: 0.035 sec) 2.12/1.17 2.12/1.17 2.12/1.17 ---------------------------------------- 2.12/1.17 2.12/1.17 (2) 2.12/1.17 BOUNDS(1, n^1) 2.12/1.18 EOF