NO Initial ITS Start location: l4 0: l0 -> l1 : Result_4^0'=Result_4^post0, x_5^0'=x_5^post0, lt_8^0'=lt_8^post0, p_7^0'=p_7^post0, cnt_15^0'=cnt_15^post0, y_6^0'=y_6^post0, lt_9^0'=lt_9^post0, (0 == 0 /\ Result_4^0-Result_4^post0 == 0 /\ -y_6^post0+y_6^0 == 0 /\ -lt_8^post0+lt_8^0 == 0 /\ p_7^post0-x_5^post0 == 0 /\ -lt_9^post0+lt_9^0 == 0 /\ cnt_15^0-cnt_15^post0 == 0), cost: 1 1: l1 -> l2 : Result_4^0'=Result_4^post1, x_5^0'=x_5^post1, lt_8^0'=lt_8^post1, p_7^0'=p_7^post1, cnt_15^0'=cnt_15^post1, y_6^0'=y_6^post1, lt_9^0'=lt_9^post1, (0 == 0 /\ -lt_8^post1+lt_8^0 == 0 /\ p_7^0-p_7^post1 == 0 /\ -cnt_15^0+lt_9^10 == 0 /\ cnt_15^0-cnt_15^post1 == 0 /\ x_5^0-x_5^post1 == 0 /\ -y_6^post1+y_6^0 == 0 /\ y_6^0-lt_9^10 <= 0), cost: 1 2: l1 -> l3 : Result_4^0'=Result_4^post2, x_5^0'=x_5^post2, lt_8^0'=lt_8^post2, p_7^0'=p_7^post2, cnt_15^0'=cnt_15^post2, y_6^0'=y_6^post2, lt_9^0'=lt_9^post2, (0 == 0 /\ Result_4^0-Result_4^post2 == 0 /\ x_5^0-x_5^post2 == 0 /\ lt_9^110-cnt_15^0 == 0 /\ -cnt_15^post2+cnt_15^0 == 0 /\ -p_7^post2+p_7^0 == 0 /\ lt_8^10-cnt_15^0 == 0 /\ 1+lt_9^110-y_6^0 <= 0 /\ -y_6^post2+y_6^0 == 0), cost: 1 3: l3 -> l1 : Result_4^0'=Result_4^post3, x_5^0'=x_5^post3, lt_8^0'=lt_8^post3, p_7^0'=p_7^post3, cnt_15^0'=cnt_15^post3, y_6^0'=y_6^post3, lt_9^0'=lt_9^post3, (Result_4^0-Result_4^post3 == 0 /\ x_5^0-x_5^post3 == 0 /\ -cnt_15^post3+cnt_15^0 == 0 /\ -lt_9^post3+lt_9^0 == 0 /\ y_6^0-y_6^post3 == 0 /\ lt_8^0-lt_8^post3 == 0 /\ -p_7^post3+p_7^0 == 0), cost: 1 4: l4 -> l0 : Result_4^0'=Result_4^post4, x_5^0'=x_5^post4, lt_8^0'=lt_8^post4, p_7^0'=p_7^post4, cnt_15^0'=cnt_15^post4, y_6^0'=y_6^post4, lt_9^0'=lt_9^post4, (-p_7^post4+p_7^0 == 0 /\ Result_4^0-Result_4^post4 == 0 /\ -lt_9^post4+lt_9^0 == 0 /\ y_6^0-y_6^post4 == 0 /\ -lt_8^post4+lt_8^0 == 0 /\ cnt_15^0-cnt_15^post4 == 0 /\ x_5^0-x_5^post4 == 0), cost: 1 Removed unreachable rules and leafs Start location: l4 0: l0 -> l1 : Result_4^0'=Result_4^post0, x_5^0'=x_5^post0, lt_8^0'=lt_8^post0, p_7^0'=p_7^post0, cnt_15^0'=cnt_15^post0, y_6^0'=y_6^post0, lt_9^0'=lt_9^post0, (0 == 0 /\ Result_4^0-Result_4^post0 == 0 /\ -y_6^post0+y_6^0 == 0 /\ -lt_8^post0+lt_8^0 == 0 /\ p_7^post0-x_5^post0 == 0 /\ -lt_9^post0+lt_9^0 == 0 /\ cnt_15^0-cnt_15^post0 == 0), cost: 1 2: l1 -> l3 : Result_4^0'=Result_4^post2, x_5^0'=x_5^post2, lt_8^0'=lt_8^post2, p_7^0'=p_7^post2, cnt_15^0'=cnt_15^post2, y_6^0'=y_6^post2, lt_9^0'=lt_9^post2, (0 == 0 /\ Result_4^0-Result_4^post2 == 0 /\ x_5^0-x_5^post2 == 0 /\ lt_9^110-cnt_15^0 == 0 /\ -cnt_15^post2+cnt_15^0 == 0 /\ -p_7^post2+p_7^0 == 0 /\ lt_8^10-cnt_15^0 == 0 /\ 1+lt_9^110-y_6^0 <= 0 /\ -y_6^post2+y_6^0 == 0), cost: 1 3: l3 -> l1 : Result_4^0'=Result_4^post3, x_5^0'=x_5^post3, lt_8^0'=lt_8^post3, p_7^0'=p_7^post3, cnt_15^0'=cnt_15^post3, y_6^0'=y_6^post3, lt_9^0'=lt_9^post3, (Result_4^0-Result_4^post3 == 0 /\ x_5^0-x_5^post3 == 0 /\ -cnt_15^post3+cnt_15^0 == 0 /\ -lt_9^post3+lt_9^0 == 0 /\ y_6^0-y_6^post3 == 0 /\ lt_8^0-lt_8^post3 == 0 /\ -p_7^post3+p_7^0 == 0), cost: 1 4: l4 -> l0 : Result_4^0'=Result_4^post4, x_5^0'=x_5^post4, lt_8^0'=lt_8^post4, p_7^0'=p_7^post4, cnt_15^0'=cnt_15^post4, y_6^0'=y_6^post4, lt_9^0'=lt_9^post4, (-p_7^post4+p_7^0 == 0 /\ Result_4^0-Result_4^post4 == 0 /\ -lt_9^post4+lt_9^0 == 0 /\ y_6^0-y_6^post4 == 0 /\ -lt_8^post4+lt_8^0 == 0 /\ cnt_15^0-cnt_15^post4 == 0 /\ x_5^0-x_5^post4 == 0), cost: 1 Applied preprocessing Original rule: l0 -> l1 : Result_4^0'=Result_4^post0, x_5^0'=x_5^post0, lt_8^0'=lt_8^post0, p_7^0'=p_7^post0, cnt_15^0'=cnt_15^post0, y_6^0'=y_6^post0, lt_9^0'=lt_9^post0, (0 == 0 /\ Result_4^0-Result_4^post0 == 0 /\ -y_6^post0+y_6^0 == 0 /\ -lt_8^post0+lt_8^0 == 0 /\ p_7^post0-x_5^post0 == 0 /\ -lt_9^post0+lt_9^0 == 0 /\ cnt_15^0-cnt_15^post0 == 0), cost: 1 New rule: l0 -> l1 : x_5^0'=x_5^post0, p_7^0'=x_5^post0, 0 == 0, cost: 1 Applied preprocessing Original rule: l1 -> l3 : Result_4^0'=Result_4^post2, x_5^0'=x_5^post2, lt_8^0'=lt_8^post2, p_7^0'=p_7^post2, cnt_15^0'=cnt_15^post2, y_6^0'=y_6^post2, lt_9^0'=lt_9^post2, (0 == 0 /\ Result_4^0-Result_4^post2 == 0 /\ x_5^0-x_5^post2 == 0 /\ lt_9^110-cnt_15^0 == 0 /\ -cnt_15^post2+cnt_15^0 == 0 /\ -p_7^post2+p_7^0 == 0 /\ lt_8^10-cnt_15^0 == 0 /\ 1+lt_9^110-y_6^0 <= 0 /\ -y_6^post2+y_6^0 == 0), cost: 1 New rule: l1 -> l3 : lt_8^0'=lt_8^post2, lt_9^0'=lt_9^post2, 1+cnt_15^0-y_6^0 <= 0, cost: 1 Applied preprocessing Original rule: l3 -> l1 : Result_4^0'=Result_4^post3, x_5^0'=x_5^post3, lt_8^0'=lt_8^post3, p_7^0'=p_7^post3, cnt_15^0'=cnt_15^post3, y_6^0'=y_6^post3, lt_9^0'=lt_9^post3, (Result_4^0-Result_4^post3 == 0 /\ x_5^0-x_5^post3 == 0 /\ -cnt_15^post3+cnt_15^0 == 0 /\ -lt_9^post3+lt_9^0 == 0 /\ y_6^0-y_6^post3 == 0 /\ lt_8^0-lt_8^post3 == 0 /\ -p_7^post3+p_7^0 == 0), cost: 1 New rule: l3 -> l1 : TRUE, cost: 1 Applied preprocessing Original rule: l4 -> l0 : Result_4^0'=Result_4^post4, x_5^0'=x_5^post4, lt_8^0'=lt_8^post4, p_7^0'=p_7^post4, cnt_15^0'=cnt_15^post4, y_6^0'=y_6^post4, lt_9^0'=lt_9^post4, (-p_7^post4+p_7^0 == 0 /\ Result_4^0-Result_4^post4 == 0 /\ -lt_9^post4+lt_9^0 == 0 /\ y_6^0-y_6^post4 == 0 /\ -lt_8^post4+lt_8^0 == 0 /\ cnt_15^0-cnt_15^post4 == 0 /\ x_5^0-x_5^post4 == 0), cost: 1 New rule: l4 -> l0 : TRUE, cost: 1 Simplified rules Start location: l4 5: l0 -> l1 : x_5^0'=x_5^post0, p_7^0'=x_5^post0, 0 == 0, cost: 1 6: l1 -> l3 : lt_8^0'=lt_8^post2, lt_9^0'=lt_9^post2, 1+cnt_15^0-y_6^0 <= 0, cost: 1 7: l3 -> l1 : TRUE, cost: 1 8: l4 -> l0 : TRUE, cost: 1 Eliminating location l0 by chaining: Applied chaining First rule: l4 -> l0 : TRUE, cost: 1 Second rule: l0 -> l1 : x_5^0'=x_5^post0, p_7^0'=x_5^post0, 0 == 0, cost: 1 New rule: l4 -> l1 : x_5^0'=x_5^post0, p_7^0'=x_5^post0, 0 == 0, cost: 2 Applied deletion Removed the following rules: 5 8 Eliminating location l3 by chaining: Applied chaining First rule: l1 -> l3 : lt_8^0'=lt_8^post2, lt_9^0'=lt_9^post2, 1+cnt_15^0-y_6^0 <= 0, cost: 1 Second rule: l3 -> l1 : TRUE, cost: 1 New rule: l1 -> l1 : lt_8^0'=lt_8^post2, lt_9^0'=lt_9^post2, 1+cnt_15^0-y_6^0 <= 0, cost: 2 Applied deletion Removed the following rules: 6 7 Eliminated locations on linear paths Start location: l4 10: l1 -> l1 : lt_8^0'=lt_8^post2, lt_9^0'=lt_9^post2, 1+cnt_15^0-y_6^0 <= 0, cost: 2 9: l4 -> l1 : x_5^0'=x_5^post0, p_7^0'=x_5^post0, 0 == 0, cost: 2 Applied nonterm Original rule: l1 -> l1 : lt_8^0'=lt_8^post2, lt_9^0'=lt_9^post2, 1+cnt_15^0-y_6^0 <= 0, cost: 2 New rule: l1 -> [5] : -1-cnt_15^0+y_6^0 >= 0, cost: NONTERM Applied acceleration Original rule: l1 -> l1 : lt_8^0'=lt_8^post2, lt_9^0'=lt_9^post2, 1+cnt_15^0-y_6^0 <= 0, cost: 2 New rule: l1 -> l1 : lt_8^0'=lt_8^post2, lt_9^0'=lt_9^post2, -1-cnt_15^0+y_6^0 >= 0, cost: 2*n0 Applied deletion Removed the following rules: 10 Accelerated simple loops Start location: l4 11: l1 -> [5] : -1-cnt_15^0+y_6^0 >= 0, cost: NONTERM 12: l1 -> l1 : lt_8^0'=lt_8^post2, lt_9^0'=lt_9^post2, -1-cnt_15^0+y_6^0 >= 0, cost: 2*n0 9: l4 -> l1 : x_5^0'=x_5^post0, p_7^0'=x_5^post0, 0 == 0, cost: 2 Applied chaining First rule: l4 -> l1 : x_5^0'=x_5^post0, p_7^0'=x_5^post0, 0 == 0, cost: 2 Second rule: l1 -> [5] : -1-cnt_15^0+y_6^0 >= 0, cost: NONTERM New rule: l4 -> [5] : -1-cnt_15^0+y_6^0 >= 0, cost: NONTERM Applied chaining First rule: l4 -> l1 : x_5^0'=x_5^post0, p_7^0'=x_5^post0, 0 == 0, cost: 2 Second rule: l1 -> l1 : lt_8^0'=lt_8^post2, lt_9^0'=lt_9^post2, -1-cnt_15^0+y_6^0 >= 0, cost: 2*n0 New rule: l4 -> l1 : x_5^0'=x_5^post0, lt_8^0'=lt_8^post2, p_7^0'=x_5^post0, lt_9^0'=lt_9^post2, -1-cnt_15^0+y_6^0 >= 0, cost: 2+2*n0 Applied deletion Removed the following rules: 11 12 Chained accelerated rules with incoming rules Start location: l4 9: l4 -> l1 : x_5^0'=x_5^post0, p_7^0'=x_5^post0, 0 == 0, cost: 2 13: l4 -> [5] : -1-cnt_15^0+y_6^0 >= 0, cost: NONTERM 14: l4 -> l1 : x_5^0'=x_5^post0, lt_8^0'=lt_8^post2, p_7^0'=x_5^post0, lt_9^0'=lt_9^post2, -1-cnt_15^0+y_6^0 >= 0, cost: 2+2*n0 Removed unreachable locations and irrelevant leafs Start location: l4 13: l4 -> [5] : -1-cnt_15^0+y_6^0 >= 0, cost: NONTERM Computing asymptotic complexity Proved nontermination of rule 13 via SMT. Proved the following lower bound Complexity: Nonterm Cpx degree: Nonterm Solved cost: NONTERM Rule cost: NONTERM Rule guard: -1-cnt_15^0+y_6^0 >= 0