2.60/1.52 WORST_CASE(?, O(n^1)) 2.61/1.53 proof of /export/starexec/sandbox/output/output_files/bench.koat 2.61/1.53 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.61/1.53 2.61/1.53 2.61/1.53 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, n^1). 2.61/1.53 2.61/1.53 (0) CpxIntTrs 2.61/1.53 (1) Koat Proof [FINISHED, 278 ms] 2.61/1.53 (2) BOUNDS(1, n^1) 2.61/1.53 2.61/1.53 2.61/1.53 ---------------------------------------- 2.61/1.53 2.61/1.53 (0) 2.61/1.53 Obligation: 2.61/1.53 Complexity Int TRS consisting of the following rules: 2.61/1.53 eval_t11_start(v_.0, v_.01, v_m, v_n, v_x, v_y) -> Com_1(eval_t11_bb0_in(v_.0, v_.01, v_m, v_n, v_x, v_y)) :|: TRUE 2.61/1.53 eval_t11_bb0_in(v_.0, v_.01, v_m, v_n, v_x, v_y) -> Com_1(eval_t11_bb1_in(v_x, v_y, v_m, v_n, v_x, v_y)) :|: TRUE 2.61/1.53 eval_t11_bb1_in(v_.0, v_.01, v_m, v_n, v_x, v_y) -> Com_1(eval_t11_bb2_in(v_.0, v_.01, v_m, v_n, v_x, v_y)) :|: v_n > v_.0 2.61/1.53 eval_t11_bb1_in(v_.0, v_.01, v_m, v_n, v_x, v_y) -> Com_1(eval_t11_bb3_in(v_.0, v_.01, v_m, v_n, v_x, v_y)) :|: v_n <= v_.0 2.61/1.53 eval_t11_bb2_in(v_.0, v_.01, v_m, v_n, v_x, v_y) -> Com_1(eval_t11_bb1_in(v_.0, v_.01 + 1, v_m, v_n, v_x, v_y)) :|: v_m > v_.01 2.61/1.53 eval_t11_bb2_in(v_.0, v_.01, v_m, v_n, v_x, v_y) -> Com_1(eval_t11_bb1_in(v_.0 + 1, v_.01 + 1, v_m, v_n, v_x, v_y)) :|: v_m > v_.01 && v_m <= v_.01 2.61/1.53 eval_t11_bb2_in(v_.0, v_.01, v_m, v_n, v_x, v_y) -> Com_1(eval_t11_bb1_in(v_.0, v_.01, v_m, v_n, v_x, v_y)) :|: v_m <= v_.01 && v_m > v_.01 2.61/1.53 eval_t11_bb2_in(v_.0, v_.01, v_m, v_n, v_x, v_y) -> Com_1(eval_t11_bb1_in(v_.0 + 1, v_.01, v_m, v_n, v_x, v_y)) :|: v_m <= v_.01 2.61/1.53 eval_t11_bb3_in(v_.0, v_.01, v_m, v_n, v_x, v_y) -> Com_1(eval_t11_stop(v_.0, v_.01, v_m, v_n, v_x, v_y)) :|: TRUE 2.61/1.53 2.61/1.53 The start-symbols are:[eval_t11_start_6] 2.61/1.53 2.61/1.53 2.61/1.53 ---------------------------------------- 2.61/1.53 2.61/1.53 (1) Koat Proof (FINISHED) 2.61/1.53 YES(?, 2*ar_1 + 2*ar_4 + 2*ar_3 + 2*ar_5 + 7) 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 Initial complexity problem: 2.61/1.53 2.61/1.53 1: T: 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_1, ar_1, ar_3, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_4 >= ar_0 + 1 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_0 >= ar_4 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4, ar_5)) [ ar_5 >= ar_2 + 1 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0 + 1, ar_1, ar_2 + 1, ar_3, ar_4, ar_5)) [ ar_5 >= ar_2 + 1 /\ ar_2 >= ar_5 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 >= ar_5 /\ ar_5 >= ar_2 + 1 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 >= ar_5 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11stop(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ 0 <= 0 ] 2.61/1.53 2.61/1.53 start location: koat_start 2.61/1.53 2.61/1.53 leaf cost: 0 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 Testing for reachability in the complexity graph removes the following transitions from problem 1: 2.61/1.53 2.61/1.53 evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0 + 1, ar_1, ar_2 + 1, ar_3, ar_4, ar_5)) [ ar_5 >= ar_2 + 1 /\ ar_2 >= ar_5 ] 2.61/1.53 2.61/1.53 evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 >= ar_5 /\ ar_5 >= ar_2 + 1 ] 2.61/1.53 2.61/1.53 We thus obtain the following problem: 2.61/1.53 2.61/1.53 2: T: 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11stop(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 >= ar_5 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4, ar_5)) [ ar_5 >= ar_2 + 1 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_0 >= ar_4 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_4 >= ar_0 + 1 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_1, ar_1, ar_3, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ 0 <= 0 ] 2.61/1.53 2.61/1.53 start location: koat_start 2.61/1.53 2.61/1.53 leaf cost: 0 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 Repeatedly propagating knowledge in problem 2 produces the following problem: 2.61/1.53 2.61/1.53 3: T: 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11stop(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 >= ar_5 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4, ar_5)) [ ar_5 >= ar_2 + 1 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_0 >= ar_4 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_4 >= ar_0 + 1 ] 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_1, ar_1, ar_3, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ 0 <= 0 ] 2.61/1.53 2.61/1.53 start location: koat_start 2.61/1.53 2.61/1.53 leaf cost: 0 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 A polynomial rank function with 2.61/1.53 2.61/1.53 Pol(evalt11bb3in) = 1 2.61/1.53 2.61/1.53 Pol(evalt11stop) = 0 2.61/1.53 2.61/1.53 Pol(evalt11bb2in) = 2 2.61/1.53 2.61/1.53 Pol(evalt11bb1in) = 2 2.61/1.53 2.61/1.53 Pol(evalt11bb0in) = 2 2.61/1.53 2.61/1.53 Pol(evalt11start) = 2 2.61/1.53 2.61/1.53 Pol(koat_start) = 2 2.61/1.53 2.61/1.53 orients all transitions weakly and the transitions 2.61/1.53 2.61/1.53 evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11stop(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_0 >= ar_4 ] 2.61/1.53 2.61/1.53 strictly and produces the following problem: 2.61/1.53 2.61/1.53 4: T: 2.61/1.53 2.61/1.53 (Comp: 2, Cost: 1) evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11stop(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 >= ar_5 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4, ar_5)) [ ar_5 >= ar_2 + 1 ] 2.61/1.53 2.61/1.53 (Comp: 2, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_0 >= ar_4 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_4 >= ar_0 + 1 ] 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_1, ar_1, ar_3, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ 0 <= 0 ] 2.61/1.53 2.61/1.53 start location: koat_start 2.61/1.53 2.61/1.53 leaf cost: 0 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 A polynomial rank function with 2.61/1.53 2.61/1.53 Pol(evalt11bb3in) = -V_3 + V_6 2.61/1.53 2.61/1.53 Pol(evalt11stop) = -V_3 + V_6 2.61/1.53 2.61/1.53 Pol(evalt11bb2in) = -V_3 + V_6 2.61/1.53 2.61/1.53 Pol(evalt11bb1in) = -V_3 + V_6 2.61/1.53 2.61/1.53 Pol(evalt11bb0in) = -V_4 + V_6 2.61/1.53 2.61/1.53 Pol(evalt11start) = -V_4 + V_6 2.61/1.53 2.61/1.53 Pol(koat_start) = -V_4 + V_6 2.61/1.53 2.61/1.53 orients all transitions weakly and the transition 2.61/1.53 2.61/1.53 evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4, ar_5)) [ ar_5 >= ar_2 + 1 ] 2.61/1.53 2.61/1.53 strictly and produces the following problem: 2.61/1.53 2.61/1.53 5: T: 2.61/1.53 2.61/1.53 (Comp: 2, Cost: 1) evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11stop(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 >= ar_5 ] 2.61/1.53 2.61/1.53 (Comp: ar_3 + ar_5, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4, ar_5)) [ ar_5 >= ar_2 + 1 ] 2.61/1.53 2.61/1.53 (Comp: 2, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_0 >= ar_4 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_4 >= ar_0 + 1 ] 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_1, ar_1, ar_3, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ 0 <= 0 ] 2.61/1.53 2.61/1.53 start location: koat_start 2.61/1.53 2.61/1.53 leaf cost: 0 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 Applied AI with 'oct' on problem 5 to obtain the following invariants: 2.61/1.53 2.61/1.53 For symbol evalt11bb1in: X_3 - X_4 >= 0 /\ X_1 - X_2 >= 0 2.61/1.53 2.61/1.53 For symbol evalt11bb2in: -X_2 + X_5 - 1 >= 0 /\ -X_1 + X_5 - 1 >= 0 /\ X_3 - X_4 >= 0 /\ X_1 - X_2 >= 0 2.61/1.53 2.61/1.53 For symbol evalt11bb3in: X_1 - X_5 >= 0 /\ X_3 - X_4 >= 0 /\ X_1 - X_2 >= 0 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 This yielded the following problem: 2.61/1.53 2.61/1.53 6: T: 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ 0 <= 0 ] 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_1, ar_1, ar_3, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_4 >= ar_0 + 1 ] 2.61/1.53 2.61/1.53 (Comp: 2, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_4 ] 2.61/1.53 2.61/1.53 (Comp: ar_3 + ar_5, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4, ar_5)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_5 >= ar_2 + 1 ] 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4, ar_5)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_2 >= ar_5 ] 2.61/1.53 2.61/1.53 (Comp: 2, Cost: 1) evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11stop(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_0 - ar_4 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 ] 2.61/1.53 2.61/1.53 start location: koat_start 2.61/1.53 2.61/1.53 leaf cost: 0 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 A polynomial rank function with 2.61/1.53 2.61/1.53 Pol(koat_start) = -V_2 + V_5 2.61/1.53 2.61/1.53 Pol(evalt11start) = -V_2 + V_5 2.61/1.53 2.61/1.53 Pol(evalt11bb0in) = -V_2 + V_5 2.61/1.53 2.61/1.53 Pol(evalt11bb1in) = -V_1 + V_5 2.61/1.53 2.61/1.53 Pol(evalt11bb2in) = -V_1 + V_5 2.61/1.53 2.61/1.53 Pol(evalt11bb3in) = -V_1 + V_5 2.61/1.53 2.61/1.53 Pol(evalt11stop) = -V_1 + V_5 2.61/1.53 2.61/1.53 orients all transitions weakly and the transition 2.61/1.53 2.61/1.53 evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4, ar_5)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_2 >= ar_5 ] 2.61/1.53 2.61/1.53 strictly and produces the following problem: 2.61/1.53 2.61/1.53 7: T: 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ 0 <= 0 ] 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_1, ar_1, ar_3, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: ?, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_4 >= ar_0 + 1 ] 2.61/1.53 2.61/1.53 (Comp: 2, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_4 ] 2.61/1.53 2.61/1.53 (Comp: ar_3 + ar_5, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4, ar_5)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_5 >= ar_2 + 1 ] 2.61/1.53 2.61/1.53 (Comp: ar_1 + ar_4, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4, ar_5)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_2 >= ar_5 ] 2.61/1.53 2.61/1.53 (Comp: 2, Cost: 1) evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11stop(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_0 - ar_4 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 ] 2.61/1.53 2.61/1.53 start location: koat_start 2.61/1.53 2.61/1.53 leaf cost: 0 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 Repeatedly propagating knowledge in problem 7 produces the following problem: 2.61/1.53 2.61/1.53 8: T: 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ 0 <= 0 ] 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11start(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: 1, Cost: 1) evalt11bb0in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_1, ar_1, ar_3, ar_3, ar_4, ar_5)) 2.61/1.53 2.61/1.53 (Comp: ar_1 + ar_4 + ar_3 + ar_5 + 1, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_4 >= ar_0 + 1 ] 2.61/1.53 2.61/1.53 (Comp: 2, Cost: 1) evalt11bb1in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_4 ] 2.61/1.53 2.61/1.53 (Comp: ar_3 + ar_5, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4, ar_5)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_5 >= ar_2 + 1 ] 2.61/1.53 2.61/1.53 (Comp: ar_1 + ar_4, Cost: 1) evalt11bb2in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4, ar_5)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_2 >= ar_5 ] 2.61/1.53 2.61/1.53 (Comp: 2, Cost: 1) evalt11bb3in(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5) -> Com_1(evalt11stop(ar_0, ar_1, ar_2, ar_3, ar_4, ar_5)) [ ar_0 - ar_4 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 ] 2.61/1.53 2.61/1.53 start location: koat_start 2.61/1.53 2.61/1.53 leaf cost: 0 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 Complexity upper bound 2*ar_1 + 2*ar_4 + 2*ar_3 + 2*ar_5 + 7 2.61/1.53 2.61/1.53 2.61/1.53 2.61/1.53 Time: 0.252 sec (SMT: 0.211 sec) 2.61/1.53 2.61/1.53 2.61/1.53 ---------------------------------------- 2.61/1.53 2.61/1.53 (2) 2.61/1.53 BOUNDS(1, n^1) 2.61/1.54 EOF