2.13/1.53 WORST_CASE(?, O(n^1)) 2.41/1.54 proof of /export/starexec/sandbox/output/output_files/bench.koat 2.41/1.54 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.41/1.54 2.41/1.54 2.41/1.54 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, n^1). 2.41/1.54 2.41/1.54 (0) CpxIntTrs 2.41/1.54 (1) Koat Proof [FINISHED, 268 ms] 2.41/1.54 (2) BOUNDS(1, n^1) 2.41/1.54 2.41/1.54 2.41/1.54 ---------------------------------------- 2.41/1.54 2.41/1.54 (0) 2.41/1.54 Obligation: 2.41/1.54 Complexity Int TRS consisting of the following rules: 2.41/1.54 eval_speedDis2_start(v_.0, v_.01, v_n, v_x, v_z) -> Com_1(eval_speedDis2_bb0_in(v_.0, v_.01, v_n, v_x, v_z)) :|: TRUE 2.41/1.54 eval_speedDis2_bb0_in(v_.0, v_.01, v_n, v_x, v_z) -> Com_1(eval_speedDis2_bb1_in(v_x, v_z, v_n, v_x, v_z)) :|: TRUE 2.41/1.54 eval_speedDis2_bb1_in(v_.0, v_.01, v_n, v_x, v_z) -> Com_1(eval_speedDis2_bb2_in(v_.0, v_.01, v_n, v_x, v_z)) :|: v_.0 < v_n 2.41/1.54 eval_speedDis2_bb1_in(v_.0, v_.01, v_n, v_x, v_z) -> Com_1(eval_speedDis2_bb3_in(v_.0, v_.01, v_n, v_x, v_z)) :|: v_.0 >= v_n 2.41/1.54 eval_speedDis2_bb2_in(v_.0, v_.01, v_n, v_x, v_z) -> Com_1(eval_speedDis2_bb1_in(v_.0 + 1, v_.01, v_n, v_x, v_z)) :|: v_.01 > v_.0 2.41/1.54 eval_speedDis2_bb2_in(v_.0, v_.01, v_n, v_x, v_z) -> Com_1(eval_speedDis2_bb1_in(v_.0, v_.01, v_n, v_x, v_z)) :|: v_.01 > v_.0 && v_.01 <= v_.0 2.41/1.54 eval_speedDis2_bb2_in(v_.0, v_.01, v_n, v_x, v_z) -> Com_1(eval_speedDis2_bb1_in(v_.0 + 1, v_.01 + 1, v_n, v_x, v_z)) :|: v_.01 <= v_.0 && v_.01 > v_.0 2.41/1.54 eval_speedDis2_bb2_in(v_.0, v_.01, v_n, v_x, v_z) -> Com_1(eval_speedDis2_bb1_in(v_.0, v_.01 + 1, v_n, v_x, v_z)) :|: v_.01 <= v_.0 2.41/1.54 eval_speedDis2_bb3_in(v_.0, v_.01, v_n, v_x, v_z) -> Com_1(eval_speedDis2_stop(v_.0, v_.01, v_n, v_x, v_z)) :|: TRUE 2.41/1.54 2.41/1.54 The start-symbols are:[eval_speedDis2_start_5] 2.41/1.54 2.41/1.54 2.41/1.54 ---------------------------------------- 2.41/1.54 2.41/1.54 (1) Koat Proof (FINISHED) 2.41/1.54 YES(?, 2*ar_3 + 4*ar_4 + 2*ar_1 + 7) 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 Initial complexity problem: 2.41/1.54 2.41/1.54 1: T: 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_1, ar_1, ar_3, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_4 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_0 >= ar_4 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4)) [ ar_2 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_2 >= ar_0 + 1 /\ ar_0 >= ar_2 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0 + 1, ar_1, ar_2 + 1, ar_3, ar_4)) [ ar_0 >= ar_2 /\ ar_2 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4)) [ ar_0 >= ar_2 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2stop(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4)) [ 0 <= 0 ] 2.41/1.54 2.41/1.54 start location: koat_start 2.41/1.54 2.41/1.54 leaf cost: 0 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 Testing for reachability in the complexity graph removes the following transitions from problem 1: 2.41/1.54 2.41/1.54 evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_2 >= ar_0 + 1 /\ ar_0 >= ar_2 ] 2.41/1.54 2.41/1.54 evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0 + 1, ar_1, ar_2 + 1, ar_3, ar_4)) [ ar_0 >= ar_2 /\ ar_2 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 We thus obtain the following problem: 2.41/1.54 2.41/1.54 2: T: 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2stop(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4)) [ ar_0 >= ar_2 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4)) [ ar_2 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_0 >= ar_4 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_4 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_1, ar_1, ar_3, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4)) [ 0 <= 0 ] 2.41/1.54 2.41/1.54 start location: koat_start 2.41/1.54 2.41/1.54 leaf cost: 0 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 Repeatedly propagating knowledge in problem 2 produces the following problem: 2.41/1.54 2.41/1.54 3: T: 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2stop(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4)) [ ar_0 >= ar_2 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4)) [ ar_2 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_0 >= ar_4 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_4 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_1, ar_1, ar_3, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4)) [ 0 <= 0 ] 2.41/1.54 2.41/1.54 start location: koat_start 2.41/1.54 2.41/1.54 leaf cost: 0 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 A polynomial rank function with 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb3in) = 1 2.41/1.54 2.41/1.54 Pol(evalspeedDis2stop) = 0 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb2in) = 2 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb1in) = 2 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb0in) = 2 2.41/1.54 2.41/1.54 Pol(evalspeedDis2start) = 2 2.41/1.54 2.41/1.54 Pol(koat_start) = 2 2.41/1.54 2.41/1.54 orients all transitions weakly and the transitions 2.41/1.54 2.41/1.54 evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2stop(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_0 >= ar_4 ] 2.41/1.54 2.41/1.54 strictly and produces the following problem: 2.41/1.54 2.41/1.54 4: T: 2.41/1.54 2.41/1.54 (Comp: 2, Cost: 1) evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2stop(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4)) [ ar_0 >= ar_2 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4)) [ ar_2 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: 2, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_0 >= ar_4 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_4 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_1, ar_1, ar_3, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4)) [ 0 <= 0 ] 2.41/1.54 2.41/1.54 start location: koat_start 2.41/1.54 2.41/1.54 leaf cost: 0 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 Applied AI with 'oct' on problem 4 to obtain the following invariants: 2.41/1.54 2.41/1.54 For symbol evalspeedDis2bb1in: X_3 - X_4 >= 0 /\ X_1 - X_2 >= 0 2.41/1.54 2.41/1.54 For symbol evalspeedDis2bb2in: -X_2 + X_5 - 1 >= 0 /\ -X_1 + X_5 - 1 >= 0 /\ X_3 - X_4 >= 0 /\ X_1 - X_2 >= 0 2.41/1.54 2.41/1.54 For symbol evalspeedDis2bb3in: X_1 - X_5 >= 0 /\ X_3 - X_4 >= 0 /\ X_1 - X_2 >= 0 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 This yielded the following problem: 2.41/1.54 2.41/1.54 5: T: 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4)) [ 0 <= 0 ] 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_1, ar_1, ar_3, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_4 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: 2, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_4 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4)) [ -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_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_2 ] 2.41/1.54 2.41/1.54 (Comp: 2, Cost: 1) evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2stop(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_0 - ar_4 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 ] 2.41/1.54 2.41/1.54 start location: koat_start 2.41/1.54 2.41/1.54 leaf cost: 0 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 A polynomial rank function with 2.41/1.54 2.41/1.54 Pol(koat_start) = -V_2 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2start) = -V_2 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb0in) = -V_2 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb1in) = -V_1 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb2in) = -V_1 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb3in) = -V_1 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2stop) = -V_1 + V_5 2.41/1.54 2.41/1.54 orients all transitions weakly and the transition 2.41/1.54 2.41/1.54 evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4)) [ -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_0 + 1 ] 2.41/1.54 2.41/1.54 strictly and produces the following problem: 2.41/1.54 2.41/1.54 6: T: 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4)) [ 0 <= 0 ] 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_1, ar_1, ar_3, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_4 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: 2, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_4 ] 2.41/1.54 2.41/1.54 (Comp: ar_1 + ar_4, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4)) [ -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_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_2 ] 2.41/1.54 2.41/1.54 (Comp: 2, Cost: 1) evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2stop(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_0 - ar_4 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 ] 2.41/1.54 2.41/1.54 start location: koat_start 2.41/1.54 2.41/1.54 leaf cost: 0 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 A polynomial rank function with 2.41/1.54 2.41/1.54 Pol(koat_start) = -V_4 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2start) = -V_4 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb0in) = -V_4 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb1in) = -V_3 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb2in) = -V_3 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2bb3in) = -V_3 + V_5 2.41/1.54 2.41/1.54 Pol(evalspeedDis2stop) = -V_3 + V_5 2.41/1.54 2.41/1.54 orients all transitions weakly and the transition 2.41/1.54 2.41/1.54 evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_2 ] 2.41/1.54 2.41/1.54 strictly and produces the following problem: 2.41/1.54 2.41/1.54 7: T: 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4)) [ 0 <= 0 ] 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_1, ar_1, ar_3, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: ?, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_4 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: 2, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_4 ] 2.41/1.54 2.41/1.54 (Comp: ar_1 + ar_4, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4)) [ -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_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: ar_3 + ar_4, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_2 ] 2.41/1.54 2.41/1.54 (Comp: 2, Cost: 1) evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2stop(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_0 - ar_4 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 ] 2.41/1.54 2.41/1.54 start location: koat_start 2.41/1.54 2.41/1.54 leaf cost: 0 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 Repeatedly propagating knowledge in problem 7 produces the following problem: 2.41/1.54 2.41/1.54 8: T: 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4)) [ 0 <= 0 ] 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2start(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: 1, Cost: 1) evalspeedDis2bb0in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_1, ar_1, ar_3, ar_3, ar_4)) 2.41/1.54 2.41/1.54 (Comp: ar_3 + 2*ar_4 + ar_1 + 1, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_4 >= ar_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: 2, Cost: 1) evalspeedDis2bb1in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_4 ] 2.41/1.54 2.41/1.54 (Comp: ar_1 + ar_4, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0 + 1, ar_1, ar_2, ar_3, ar_4)) [ -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_0 + 1 ] 2.41/1.54 2.41/1.54 (Comp: ar_3 + ar_4, Cost: 1) evalspeedDis2bb2in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2bb1in(ar_0, ar_1, ar_2 + 1, ar_3, ar_4)) [ -ar_1 + ar_4 - 1 >= 0 /\ -ar_0 + ar_4 - 1 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 /\ ar_0 >= ar_2 ] 2.41/1.54 2.41/1.54 (Comp: 2, Cost: 1) evalspeedDis2bb3in(ar_0, ar_1, ar_2, ar_3, ar_4) -> Com_1(evalspeedDis2stop(ar_0, ar_1, ar_2, ar_3, ar_4)) [ ar_0 - ar_4 >= 0 /\ ar_2 - ar_3 >= 0 /\ ar_0 - ar_1 >= 0 ] 2.41/1.54 2.41/1.54 start location: koat_start 2.41/1.54 2.41/1.54 leaf cost: 0 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 Complexity upper bound 2*ar_3 + 4*ar_4 + 2*ar_1 + 7 2.41/1.54 2.41/1.54 2.41/1.54 2.41/1.54 Time: 0.234 sec (SMT: 0.199 sec) 2.41/1.54 2.41/1.54 2.41/1.54 ---------------------------------------- 2.41/1.54 2.41/1.54 (2) 2.41/1.54 BOUNDS(1, n^1) 2.42/1.59 EOF