2.62/1.60 WORST_CASE(?, O(n^1)) 2.62/1.61 proof of /export/starexec/sandbox/output/output_files/bench.koat 2.62/1.61 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 2.62/1.61 2.62/1.61 2.62/1.61 The runtime complexity of the given CpxIntTrs could be proven to be BOUNDS(1, n^1). 2.62/1.61 2.62/1.61 (0) CpxIntTrs 2.62/1.61 (1) Koat Proof [FINISHED, 379 ms] 2.62/1.61 (2) BOUNDS(1, n^1) 2.62/1.61 2.62/1.61 2.62/1.61 ---------------------------------------- 2.62/1.61 2.62/1.61 (0) 2.62/1.61 Obligation: 2.62/1.61 Complexity Int TRS consisting of the following rules: 2.62/1.61 eval_foo_start(v_.0, v_1, v_i) -> Com_1(eval_foo_bb0_in(v_.0, v_1, v_i)) :|: TRUE 2.62/1.61 eval_foo_bb0_in(v_.0, v_1, v_i) -> Com_1(eval_foo_bb1_in(v_i, v_1, v_i)) :|: TRUE 2.62/1.61 eval_foo_bb1_in(v_.0, v_1, v_i) -> Com_1(eval_foo_bb2_in(v_.0, v_1, v_i)) :|: v_.0 < 255 2.62/1.61 eval_foo_bb1_in(v_.0, v_1, v_i) -> Com_1(eval_foo_bb3_in(v_.0, v_1, v_i)) :|: v_.0 >= 255 2.62/1.61 eval_foo_bb2_in(v_.0, v_1, v_i) -> Com_1(eval_foo_0(v_.0, v_1, v_i)) :|: TRUE 2.62/1.61 eval_foo_0(v_.0, v_1, v_i) -> Com_2(eval___VERIFIER_nondet_int_start(v_.0, v_1, v_i), eval_foo_1(v_.0, nondef.0, v_i)) :|: TRUE 2.62/1.61 eval_foo_1(v_.0, v_1, v_i) -> Com_1(eval_foo_bb1_in(v_.0 + 1, v_1, v_i)) :|: v_1 < 0 2.62/1.61 eval_foo_1(v_.0, v_1, v_i) -> Com_1(eval_foo_bb1_in(v_.0 + 1, v_1, v_i)) :|: v_1 > 0 2.62/1.61 eval_foo_1(v_.0, v_1, v_i) -> Com_1(eval_foo_bb1_in(v_.0 + 2, v_1, v_i)) :|: v_1 >= 0 && v_1 <= 0 2.62/1.61 eval_foo_bb3_in(v_.0, v_1, v_i) -> Com_1(eval_foo_stop(v_.0, v_1, v_i)) :|: TRUE 2.62/1.61 2.62/1.61 The start-symbols are:[eval_foo_start_3] 2.62/1.61 2.62/1.61 2.62/1.61 ---------------------------------------- 2.62/1.61 2.62/1.61 (1) Koat Proof (FINISHED) 2.62/1.61 YES(?, 48*ar_1 + 12246) 2.62/1.61 2.62/1.61 2.62/1.61 2.62/1.61 Initial complexity problem: 2.62/1.61 2.62/1.61 1: T: 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ 254 >= ar_0 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ ar_0 >= 255 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo0(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo00(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalVERIFIERnondetintstart(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo01(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo1(ar_0, ar_1, ar_3, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo0(ar_0, ar_1, ar_2, ar_3) -> Com_2(evalfoo00(ar_0, ar_1, ar_2, e), evalfoo01(ar_0, ar_1, ar_2, e)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ ar_2 >= 1 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 2, ar_1, ar_2, ar_3)) [ ar_2 = 0 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (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 ] 2.62/1.61 2.62/1.61 start location: koat_start 2.62/1.61 2.62/1.61 leaf cost: 0 2.62/1.61 2.62/1.61 2.62/1.61 2.62/1.61 Repeatedly propagating knowledge in problem 1 produces the following problem: 2.62/1.61 2.62/1.61 2: T: 2.62/1.61 2.62/1.61 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ 254 >= ar_0 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ ar_0 >= 255 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo0(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo00(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalVERIFIERnondetintstart(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo01(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo1(ar_0, ar_1, ar_3, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo0(ar_0, ar_1, ar_2, ar_3) -> Com_2(evalfoo00(ar_0, ar_1, ar_2, e), evalfoo01(ar_0, ar_1, ar_2, e)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ ar_2 >= 1 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 2, ar_1, ar_2, ar_3)) [ ar_2 = 0 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (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 ] 2.62/1.61 2.62/1.61 start location: koat_start 2.62/1.61 2.62/1.61 leaf cost: 0 2.62/1.61 2.62/1.61 2.62/1.61 2.62/1.61 A polynomial rank function with 2.62/1.61 2.62/1.61 Pol(evalfoostart) = 2 2.62/1.61 2.62/1.61 Pol(evalfoobb0in) = 2 2.62/1.61 2.62/1.61 Pol(evalfoobb1in) = 2 2.62/1.61 2.62/1.61 Pol(evalfoobb2in) = 2 2.62/1.61 2.62/1.61 Pol(evalfoobb3in) = 1 2.62/1.61 2.62/1.61 Pol(evalfoo0) = 2 2.62/1.61 2.62/1.61 Pol(evalfoo00) = 0 2.62/1.61 2.62/1.61 Pol(evalVERIFIERnondetintstart) = 0 2.62/1.61 2.62/1.61 Pol(evalfoo01) = 2 2.62/1.61 2.62/1.61 Pol(evalfoo1) = 2 2.62/1.61 2.62/1.61 Pol(evalfoostop) = 0 2.62/1.61 2.62/1.61 Pol(koat_start) = 2 2.62/1.61 2.62/1.61 orients all transitions weakly and the transitions 2.62/1.61 2.62/1.61 evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb3in(ar_0, ar_1, ar_2, ar_3)) [ ar_0 >= 255 ] 2.62/1.61 2.62/1.61 strictly and produces the following problem: 2.62/1.61 2.62/1.61 3: T: 2.62/1.61 2.62/1.61 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ 254 >= ar_0 ] 2.62/1.61 2.62/1.61 (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_0 >= 255 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo0(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo00(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalVERIFIERnondetintstart(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo01(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo1(ar_0, ar_1, ar_3, ar_3)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo0(ar_0, ar_1, ar_2, ar_3) -> Com_2(evalfoo00(ar_0, ar_1, ar_2, e), evalfoo01(ar_0, ar_1, ar_2, e)) 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ 0 >= ar_2 + 1 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ ar_2 >= 1 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 2, ar_1, ar_2, ar_3)) [ ar_2 = 0 ] 2.62/1.61 2.62/1.61 (Comp: 2, Cost: 1) evalfoobb3in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoostop(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (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 ] 2.62/1.61 2.62/1.61 start location: koat_start 2.62/1.61 2.62/1.61 leaf cost: 0 2.62/1.61 2.62/1.61 2.62/1.61 2.62/1.61 Applied AI with 'oct' on problem 3 to obtain the following invariants: 2.62/1.61 2.62/1.61 For symbol evalfoo0: -X_2 + 254 >= 0 /\ X_1 - X_2 >= 0 /\ -X_1 - X_2 + 508 >= 0 /\ -X_1 + 254 >= 0 2.62/1.61 2.62/1.61 For symbol evalfoo00: -X_2 + 254 >= 0 /\ X_1 - X_2 >= 0 /\ -X_1 - X_2 + 508 >= 0 /\ -X_1 + 254 >= 0 2.62/1.61 2.62/1.61 For symbol evalfoo01: -X_2 + 254 >= 0 /\ X_1 - X_2 >= 0 /\ -X_1 - X_2 + 508 >= 0 /\ -X_1 + 254 >= 0 2.62/1.61 2.62/1.61 For symbol evalfoo1: X_3 - X_4 >= 0 /\ -X_3 + X_4 >= 0 /\ -X_2 + 254 >= 0 /\ X_1 - X_2 >= 0 /\ -X_1 - X_2 + 508 >= 0 /\ -X_1 + 254 >= 0 2.62/1.61 2.62/1.61 For symbol evalfoobb1in: X_1 - X_2 >= 0 2.62/1.61 2.62/1.61 For symbol evalfoobb2in: -X_2 + 254 >= 0 /\ X_1 - X_2 >= 0 /\ -X_1 - X_2 + 508 >= 0 /\ -X_1 + 254 >= 0 2.62/1.61 2.62/1.61 For symbol evalfoobb3in: X_1 - X_2 >= 0 /\ X_1 - 255 >= 0 2.62/1.61 2.62/1.61 2.62/1.61 2.62/1.61 2.62/1.61 2.62/1.61 This yielded the following problem: 2.62/1.61 2.62/1.61 4: T: 2.62/1.61 2.62/1.61 (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 ] 2.62/1.61 2.62/1.61 (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_0 - ar_1 >= 0 /\ ar_0 - 255 >= 0 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 2, ar_1, ar_2, ar_3)) [ ar_2 - ar_3 >= 0 /\ -ar_2 + ar_3 >= 0 /\ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 /\ ar_2 = 0 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ ar_2 - ar_3 >= 0 /\ -ar_2 + ar_3 >= 0 /\ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 /\ ar_2 >= 1 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ ar_2 - ar_3 >= 0 /\ -ar_2 + ar_3 >= 0 /\ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 /\ 0 >= ar_2 + 1 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo0(ar_0, ar_1, ar_2, ar_3) -> Com_2(evalfoo00(ar_0, ar_1, ar_2, e), evalfoo01(ar_0, ar_1, ar_2, e)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo01(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo1(ar_0, ar_1, ar_3, ar_3)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoo00(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalVERIFIERnondetintstart(ar_0, ar_1, ar_2, ar_3)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 (Comp: ?, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo0(ar_0, ar_1, ar_2, ar_3)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 (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_0 - ar_1 >= 0 /\ ar_0 >= 255 ] 2.62/1.61 2.62/1.61 (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 - ar_1 >= 0 /\ 254 >= ar_0 ] 2.62/1.61 2.62/1.61 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 start location: koat_start 2.62/1.61 2.62/1.61 leaf cost: 0 2.62/1.61 2.62/1.61 2.62/1.61 2.62/1.61 A polynomial rank function with 2.62/1.61 2.62/1.61 Pol(koat_start) = -6*V_2 + 1530 2.62/1.61 2.62/1.61 Pol(evalfoostart) = -6*V_2 + 1530 2.62/1.61 2.62/1.61 Pol(evalfoobb3in) = -6*V_1 2.62/1.61 2.62/1.61 Pol(evalfoostop) = -6*V_1 2.62/1.61 2.62/1.61 Pol(evalfoo1) = -6*V_1 + 1525 2.62/1.61 2.62/1.61 Pol(evalfoobb1in) = -6*V_1 + 1530 2.62/1.61 2.62/1.61 Pol(evalfoo0) = -6*V_1 + 1528 2.62/1.61 2.62/1.61 Pol(evalfoo00) = 1 2.62/1.61 2.62/1.61 Pol(evalfoo01) = -6*V_1 + 1526 2.62/1.61 2.62/1.61 Pol(evalVERIFIERnondetintstart) = 0 2.62/1.61 2.62/1.61 Pol(evalfoobb2in) = -6*V_1 + 1529 2.62/1.61 2.62/1.61 Pol(evalfoobb0in) = -6*V_2 + 1530 2.62/1.61 2.62/1.61 orients all transitions weakly and the transitions 2.62/1.61 2.62/1.61 evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo0(ar_0, ar_1, ar_2, ar_3)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ ar_0 - ar_1 >= 0 /\ 254 >= ar_0 ] 2.62/1.61 2.62/1.61 evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 2, ar_1, ar_2, ar_3)) [ ar_2 - ar_3 >= 0 /\ -ar_2 + ar_3 >= 0 /\ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 /\ ar_2 = 0 ] 2.62/1.61 2.62/1.61 evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ ar_2 - ar_3 >= 0 /\ -ar_2 + ar_3 >= 0 /\ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 /\ ar_2 >= 1 ] 2.62/1.61 2.62/1.61 evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ ar_2 - ar_3 >= 0 /\ -ar_2 + ar_3 >= 0 /\ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 /\ 0 >= ar_2 + 1 ] 2.62/1.61 2.62/1.61 evalfoo01(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo1(ar_0, ar_1, ar_3, ar_3)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 evalfoo00(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalVERIFIERnondetintstart(ar_0, ar_1, ar_2, ar_3)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 evalfoo0(ar_0, ar_1, ar_2, ar_3) -> Com_2(evalfoo00(ar_0, ar_1, ar_2, e), evalfoo01(ar_0, ar_1, ar_2, e)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 strictly and produces the following problem: 2.62/1.61 2.62/1.61 5: T: 2.62/1.61 2.62/1.61 (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 ] 2.62/1.61 2.62/1.61 (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_0 - ar_1 >= 0 /\ ar_0 - 255 >= 0 ] 2.62/1.61 2.62/1.61 (Comp: 6*ar_1 + 1530, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 2, ar_1, ar_2, ar_3)) [ ar_2 - ar_3 >= 0 /\ -ar_2 + ar_3 >= 0 /\ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 /\ ar_2 = 0 ] 2.62/1.61 2.62/1.61 (Comp: 6*ar_1 + 1530, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ ar_2 - ar_3 >= 0 /\ -ar_2 + ar_3 >= 0 /\ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 /\ ar_2 >= 1 ] 2.62/1.61 2.62/1.61 (Comp: 6*ar_1 + 1530, Cost: 1) evalfoo1(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_0 + 1, ar_1, ar_2, ar_3)) [ ar_2 - ar_3 >= 0 /\ -ar_2 + ar_3 >= 0 /\ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 /\ 0 >= ar_2 + 1 ] 2.62/1.61 2.62/1.61 (Comp: 6*ar_1 + 1530, Cost: 1) evalfoo0(ar_0, ar_1, ar_2, ar_3) -> Com_2(evalfoo00(ar_0, ar_1, ar_2, e), evalfoo01(ar_0, ar_1, ar_2, e)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 (Comp: 6*ar_1 + 1530, Cost: 1) evalfoo01(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo1(ar_0, ar_1, ar_3, ar_3)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 (Comp: 6*ar_1 + 1530, Cost: 1) evalfoo00(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalVERIFIERnondetintstart(ar_0, ar_1, ar_2, ar_3)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 (Comp: 6*ar_1 + 1530, Cost: 1) evalfoobb2in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoo0(ar_0, ar_1, ar_2, ar_3)) [ -ar_1 + 254 >= 0 /\ ar_0 - ar_1 >= 0 /\ -ar_0 - ar_1 + 508 >= 0 /\ -ar_0 + 254 >= 0 ] 2.62/1.61 2.62/1.61 (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_0 - ar_1 >= 0 /\ ar_0 >= 255 ] 2.62/1.61 2.62/1.61 (Comp: 6*ar_1 + 1530, Cost: 1) evalfoobb1in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb2in(ar_0, ar_1, ar_2, ar_3)) [ ar_0 - ar_1 >= 0 /\ 254 >= ar_0 ] 2.62/1.61 2.62/1.61 (Comp: 1, Cost: 1) evalfoobb0in(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb1in(ar_1, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 (Comp: 1, Cost: 1) evalfoostart(ar_0, ar_1, ar_2, ar_3) -> Com_1(evalfoobb0in(ar_0, ar_1, ar_2, ar_3)) 2.62/1.61 2.62/1.61 start location: koat_start 2.62/1.61 2.62/1.61 leaf cost: 0 2.62/1.61 2.62/1.61 2.62/1.61 2.62/1.61 Complexity upper bound 48*ar_1 + 12246 2.62/1.61 2.62/1.61 2.62/1.61 2.62/1.61 Time: 0.354 sec (SMT: 0.307 sec) 2.62/1.61 2.62/1.61 2.62/1.61 ---------------------------------------- 2.62/1.61 2.62/1.61 (2) 2.62/1.61 BOUNDS(1, n^1) 2.62/1.63 EOF