2.48/1.55 WORST_CASE(?, O(n^3)) 2.48/1.56 proof of /export/starexec/sandbox/output/output_files/bench.koat 2.48/1.56 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.48/1.56 2.48/1.56 2.48/1.56 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, n^3). 2.48/1.56 2.48/1.56 (0) CpxIntTrs 2.48/1.56 (1) Koat Proof [FINISHED, 274 ms] 2.48/1.56 (2) BOUNDS(1, n^3) 2.48/1.56 2.48/1.56 2.48/1.56 ---------------------------------------- 2.48/1.56 2.48/1.56 (0) 2.48/1.56 Obligation: 2.48/1.56 Complexity Int TRS consisting of the following rules: 2.48/1.56 eval_foo_start(v_.0, v_.01, v_x, v_y) -> Com_1(eval_foo_bb0_in(v_.0, v_.01, v_x, v_y)) :|: TRUE 2.48/1.56 eval_foo_bb0_in(v_.0, v_.01, v_x, v_y) -> Com_1(eval_foo_bb1_in(v_x, v_y, v_x, v_y)) :|: TRUE 2.48/1.56 eval_foo_bb1_in(v_.0, v_.01, v_x, v_y) -> Com_1(eval_foo_bb2_in(v_.0, v_.01, v_x, v_y)) :|: v_.0 >= 0 2.48/1.56 eval_foo_bb1_in(v_.0, v_.01, v_x, v_y) -> Com_1(eval_foo_bb3_in(v_.0, v_.01, v_x, v_y)) :|: v_.0 < 0 2.48/1.56 eval_foo_bb2_in(v_.0, v_.01, v_x, v_y) -> Com_1(eval_foo_bb1_in(v_.0 + v_.01, v_.01 - 1, v_x, v_y)) :|: v_.01 >= 0 2.48/1.56 eval_foo_bb2_in(v_.0, v_.01, v_x, v_y) -> Com_1(eval_foo_bb1_in(v_.0 + v_.01, v_.01, v_x, v_y)) :|: v_.01 < 0 2.48/1.56 eval_foo_bb3_in(v_.0, v_.01, v_x, v_y) -> Com_1(eval_foo_stop(v_.0, v_.01, v_x, v_y)) :|: TRUE 2.48/1.56 2.48/1.56 The start-symbols are:[eval_foo_start_4] 2.48/1.56 2.48/1.56 2.48/1.56 ---------------------------------------- 2.48/1.56 2.48/1.56 (1) Koat Proof (FINISHED) 2.48/1.56 YES(?, 8*ar_1 + 4*ar_1*ar_3 + 16*ar_3^2 + 4*ar_3^3 + 25*ar_3 + 23) 2.48/1.56 2.48/1.56 2.48/1.56 2.48/1.56 Initial complexity problem: 2.48/1.56 2.48/1.56 1: T: 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3)) 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_3, ar_3)) 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ ar_0 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_0 + 1 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostart(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 2.48/1.56 2.48/1.56 start location: koat_start 2.48/1.56 2.48/1.56 leaf cost: 0 2.48/1.56 2.48/1.56 2.48/1.56 2.48/1.56 Repeatedly propagating knowledge in problem 1 produces the following problem: 2.48/1.56 2.48/1.56 2: T: 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3)) 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_3, ar_3)) 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ ar_0 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_0 + 1 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostart(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 2.48/1.56 2.48/1.56 start location: koat_start 2.48/1.56 2.48/1.56 leaf cost: 0 2.48/1.56 2.48/1.56 2.48/1.56 2.48/1.56 A polynomial rank function with 2.48/1.56 2.48/1.56 Pol(evalfoostart) = 2 2.48/1.56 2.48/1.56 Pol(evalfoobb0in) = 2 2.48/1.56 2.48/1.56 Pol(evalfoobb1in) = 2 2.48/1.56 2.48/1.56 Pol(evalfoobb2in) = 2 2.48/1.56 2.48/1.56 Pol(evalfoobb3in) = 1 2.48/1.56 2.48/1.56 Pol(evalfoostop) = 0 2.48/1.56 2.48/1.56 Pol(koat_start) = 2 2.48/1.56 2.48/1.56 orients all transitions weakly and the transitions 2.48/1.56 2.48/1.56 evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) 2.48/1.56 2.48/1.56 evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_0 + 1 ] 2.48/1.56 2.48/1.56 strictly and produces the following problem: 2.48/1.56 2.48/1.56 3: T: 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3)) 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_3, ar_3)) 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ ar_0 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: 2, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_0 + 1 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 2.48/1.56 2.48/1.56 (Comp: 2, Cost: 1) evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostart(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 2.48/1.56 2.48/1.56 start location: koat_start 2.48/1.56 2.48/1.56 leaf cost: 0 2.48/1.56 2.48/1.56 2.48/1.56 2.48/1.56 A polynomial rank function with 2.48/1.56 2.48/1.56 Pol(evalfoostart) = V_4 + 1 2.48/1.56 2.48/1.56 Pol(evalfoobb0in) = V_4 + 1 2.48/1.56 2.48/1.56 Pol(evalfoobb1in) = V_3 + 1 2.48/1.56 2.48/1.56 Pol(evalfoobb2in) = V_3 + 1 2.48/1.56 2.48/1.56 Pol(evalfoobb3in) = V_3 2.48/1.56 2.48/1.56 Pol(evalfoostop) = V_3 2.48/1.56 2.48/1.56 Pol(koat_start) = V_4 + 1 2.48/1.56 2.48/1.56 orients all transitions weakly and the transition 2.48/1.56 2.48/1.56 evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 2.48/1.56 2.48/1.56 strictly and produces the following problem: 2.48/1.56 2.48/1.56 4: T: 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3)) 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_3, ar_3)) 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ ar_0 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: 2, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ 0 >= ar_0 + 1 ] 2.48/1.56 2.48/1.56 (Comp: ar_3 + 1, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2 - 1, ar_3)) [ ar_2 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 2.48/1.56 2.48/1.56 (Comp: 2, Cost: 1) evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostart(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 2.48/1.56 2.48/1.56 start location: koat_start 2.48/1.56 2.48/1.56 leaf cost: 0 2.48/1.56 2.48/1.56 2.48/1.56 2.48/1.56 Applied AI with 'oct' on problem 4 to obtain the following invariants: 2.48/1.56 2.48/1.56 For symbol evalfoobb1in: -X_3 + X_4 >= 0 2.48/1.56 2.48/1.56 For symbol evalfoobb2in: -X_3 + X_4 >= 0 /\ X_1 >= 0 2.48/1.56 2.48/1.56 For symbol evalfoobb3in: -X_3 + X_4 >= 0 /\ -X_1 - 1 >= 0 2.48/1.56 2.48/1.56 2.48/1.56 2.48/1.56 2.48/1.56 2.48/1.56 This yielded the following problem: 2.48/1.56 2.48/1.56 5: T: 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostart(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 2.48/1.56 2.48/1.56 (Comp: 2, Cost: 1) evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ -ar_0 - 1 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ ar_0 >= 0 /\ 0 >= ar_2 + 1 ] 2.48/1.56 2.48/1.56 (Comp: ar_3 + 1, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2 - 1, ar_3)) [ -ar_2 + ar_3 >= 0 /\ ar_0 >= 0 /\ ar_2 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: 2, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ 0 >= ar_0 + 1 ] 2.48/1.56 2.48/1.56 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ ar_0 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_3, ar_3)) 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3)) 2.48/1.56 2.48/1.56 start location: koat_start 2.48/1.56 2.48/1.56 leaf cost: 0 2.48/1.56 2.48/1.56 2.48/1.56 2.48/1.56 A polynomial rank function with 2.48/1.56 2.48/1.56 Pol(evalfoobb2in) = 2*V_1 + 1 2.48/1.56 2.48/1.56 Pol(evalfoobb1in) = 2*V_1 + 2 2.48/1.56 2.48/1.56 and size complexities 2.48/1.56 2.48/1.56 S("evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3))", 0-0) = ar_0 2.48/1.56 2.48/1.56 S("evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3))", 0-1) = ar_1 2.48/1.56 2.48/1.56 S("evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3))", 0-2) = ar_2 2.48/1.56 2.48/1.56 S("evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3))", 0-3) = ar_3 2.48/1.56 2.48/1.56 S("evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_3, ar_3))", 0-0) = ar_1 2.48/1.56 2.48/1.56 S("evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_3, ar_3))", 0-1) = ar_1 2.48/1.56 2.48/1.56 S("evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_3, ar_3))", 0-2) = ar_3 2.48/1.56 2.48/1.56 S("evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_3, ar_3))", 0-3) = ar_3 2.48/1.56 2.48/1.56 S("evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 ]", 0-0) = ar_1 + 3*ar_3 + ar_3^2 + 2 2.48/1.56 2.48/1.56 S("evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 ]", 0-1) = ar_1 2.48/1.56 2.48/1.56 S("evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 ]", 0-2) = ar_3 + 1 2.48/1.56 2.48/1.56 S("evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 ]", 0-3) = ar_3 2.48/1.56 2.48/1.56 S("evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ 0 >= ar_0 + 1 ]", 0-0) = ar_1 + 3*ar_3 + ar_3^2 + 2 2.48/1.56 2.48/1.56 S("evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ 0 >= ar_0 + 1 ]", 0-1) = ar_1 2.48/1.56 2.48/1.56 S("evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ 0 >= ar_0 + 1 ]", 0-2) = ar_3 + 1 2.48/1.56 2.48/1.56 S("evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ 0 >= ar_0 + 1 ]", 0-3) = ar_3 2.48/1.56 2.48/1.56 S("evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2 - 1, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 /\\ ar_2 >= 0 ]", 0-0) = ar_1 + 3*ar_3 + ar_3^2 + 2 2.48/1.56 2.48/1.56 S("evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2 - 1, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 /\\ ar_2 >= 0 ]", 0-1) = ar_1 2.48/1.56 2.48/1.56 S("evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2 - 1, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 /\\ ar_2 >= 0 ]", 0-2) = ar_3 + 1 2.48/1.56 2.48/1.56 S("evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2 - 1, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 /\\ ar_2 >= 0 ]", 0-3) = ar_3 2.48/1.56 2.48/1.56 S("evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 /\\ 0 >= ar_2 + 1 ]", 0-0) = ar_1 + 3*ar_3 + ar_3^2 + 2 2.48/1.56 2.48/1.56 S("evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 /\\ 0 >= ar_2 + 1 ]", 0-1) = ar_1 2.48/1.56 2.48/1.56 S("evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 /\\ 0 >= ar_2 + 1 ]", 0-2) = ar_3 + 1 2.48/1.56 2.48/1.56 S("evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ ar_0 >= 0 /\\ 0 >= ar_2 + 1 ]", 0-3) = ar_3 2.48/1.56 2.48/1.56 S("evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ -ar_0 - 1 >= 0 ]", 0-0) = ar_1 + 3*ar_3 + ar_3^2 + 2 2.48/1.56 2.48/1.56 S("evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ -ar_0 - 1 >= 0 ]", 0-1) = ar_1 2.48/1.56 2.48/1.56 S("evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ -ar_0 - 1 >= 0 ]", 0-2) = ar_3 + 1 2.48/1.56 2.48/1.56 S("evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\\ -ar_0 - 1 >= 0 ]", 0-3) = ar_3 2.48/1.56 2.48/1.56 S("koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostart(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ]", 0-0) = ar_0 2.48/1.56 2.48/1.56 S("koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostart(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ]", 0-1) = ar_1 2.48/1.56 2.48/1.56 S("koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostart(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ]", 0-2) = ar_2 2.48/1.56 2.48/1.56 S("koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostart(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ]", 0-3) = ar_3 2.48/1.56 2.48/1.56 orients the transitions 2.48/1.56 2.48/1.56 evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ ar_0 >= 0 /\ 0 >= ar_2 + 1 ] 2.48/1.56 2.48/1.56 evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ ar_0 >= 0 ] 2.48/1.56 2.48/1.56 weakly and the transitions 2.48/1.56 2.48/1.56 evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ ar_0 >= 0 /\ 0 >= ar_2 + 1 ] 2.48/1.56 2.48/1.56 evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ ar_0 >= 0 ] 2.48/1.56 2.48/1.56 strictly and produces the following problem: 2.48/1.56 2.48/1.56 6: T: 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 0) koat_start(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostart(ar_0, ar_1, ar_2, ar_3)) [ 0 <= 0 ] 2.48/1.56 2.48/1.56 (Comp: 2, Cost: 1) evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ -ar_0 - 1 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: 4*ar_1 + 2*ar_1*ar_3 + 8*ar_3^2 + 2*ar_3^3 + 12*ar_3 + 8, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ ar_0 >= 0 /\ 0 >= ar_2 + 1 ] 2.48/1.56 2.48/1.56 (Comp: ar_3 + 1, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + ar_2, ar_1, ar_2 - 1, ar_3)) [ -ar_2 + ar_3 >= 0 /\ ar_0 >= 0 /\ ar_2 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: 2, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ 0 >= ar_0 + 1 ] 2.48/1.56 2.48/1.56 (Comp: 4*ar_1 + 2*ar_1*ar_3 + 8*ar_3^2 + 2*ar_3^3 + 12*ar_3 + 8, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ -ar_2 + ar_3 >= 0 /\ ar_0 >= 0 ] 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_3, ar_3)) 2.48/1.56 2.48/1.56 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3)) 2.48/1.56 2.48/1.56 start location: koat_start 2.48/1.56 2.48/1.56 leaf cost: 0 2.48/1.56 2.48/1.56 2.48/1.56 2.48/1.56 Complexity upper bound 8*ar_1 + 4*ar_1*ar_3 + 16*ar_3^2 + 4*ar_3^3 + 25*ar_3 + 23 2.48/1.56 2.48/1.56 2.48/1.56 2.48/1.56 Time: 0.295 sec (SMT: 0.270 sec) 2.48/1.56 2.48/1.56 2.48/1.56 ---------------------------------------- 2.48/1.56 2.48/1.56 (2) 2.48/1.56 BOUNDS(1, n^3) 2.48/1.57 EOF