WORST_CASE(Omega(0),?) Initial ITS Start location: l4 0: l0 -> l1 : Result_4^0'=Result_4^post0, x_5^0'=x_5^post0, b_7^0'=b_7^post0, y_6^0'=y_6^post0, (1+y_6^post0-y_6^0 == 0 /\ 1-b_7^0 <= 0 /\ 1+x_5^0-y_6^0 <= 0 /\ Result_4^0-Result_4^post0 == 0 /\ x_5^0-x_5^post0 == 0 /\ b_7^post0 == 0), cost: 1 1: l0 -> l2 : Result_4^0'=Result_4^post1, x_5^0'=x_5^post1, b_7^0'=b_7^post1, y_6^0'=y_6^post1, (0 == 0 /\ -b_7^post1+b_7^0 == 0 /\ -x_5^post1+x_5^0 == 0 /\ -y_6^post1+y_6^0 == 0 /\ -x_5^0+y_6^0 <= 0), cost: 1 3: l1 -> l0 : Result_4^0'=Result_4^post3, x_5^0'=x_5^post3, b_7^0'=b_7^post3, y_6^0'=y_6^post3, (-1-x_5^0+x_5^post3 == 0 /\ Result_4^0-Result_4^post3 == 0 /\ -1+b_7^post3 == 0 /\ b_7^0 <= 0 /\ 1+x_5^0-y_6^0 <= 0 /\ -y_6^post3+y_6^0 == 0), cost: 1 4: l1 -> l2 : Result_4^0'=Result_4^post4, x_5^0'=x_5^post4, b_7^0'=b_7^post4, y_6^0'=y_6^post4, (0 == 0 /\ -y_6^post4+y_6^0 == 0 /\ -b_7^post4+b_7^0 == 0 /\ -x_5^0+y_6^0 <= 0 /\ -x_5^post4+x_5^0 == 0), cost: 1 2: l3 -> l1 : Result_4^0'=Result_4^post2, x_5^0'=x_5^post2, b_7^0'=b_7^post2, y_6^0'=y_6^post2, (b_7^post2 == 0 /\ x_5^0-x_5^post2 == 0 /\ -y_6^post2+y_6^0 == 0 /\ Result_4^0-Result_4^post2 == 0), cost: 1 5: l4 -> l3 : Result_4^0'=Result_4^post5, x_5^0'=x_5^post5, b_7^0'=b_7^post5, y_6^0'=y_6^post5, (Result_4^0-Result_4^post5 == 0 /\ x_5^0-x_5^post5 == 0 /\ -y_6^post5+y_6^0 == 0 /\ -b_7^post5+b_7^0 == 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, b_7^0'=b_7^post0, y_6^0'=y_6^post0, (1+y_6^post0-y_6^0 == 0 /\ 1-b_7^0 <= 0 /\ 1+x_5^0-y_6^0 <= 0 /\ Result_4^0-Result_4^post0 == 0 /\ x_5^0-x_5^post0 == 0 /\ b_7^post0 == 0), cost: 1 3: l1 -> l0 : Result_4^0'=Result_4^post3, x_5^0'=x_5^post3, b_7^0'=b_7^post3, y_6^0'=y_6^post3, (-1-x_5^0+x_5^post3 == 0 /\ Result_4^0-Result_4^post3 == 0 /\ -1+b_7^post3 == 0 /\ b_7^0 <= 0 /\ 1+x_5^0-y_6^0 <= 0 /\ -y_6^post3+y_6^0 == 0), cost: 1 2: l3 -> l1 : Result_4^0'=Result_4^post2, x_5^0'=x_5^post2, b_7^0'=b_7^post2, y_6^0'=y_6^post2, (b_7^post2 == 0 /\ x_5^0-x_5^post2 == 0 /\ -y_6^post2+y_6^0 == 0 /\ Result_4^0-Result_4^post2 == 0), cost: 1 5: l4 -> l3 : Result_4^0'=Result_4^post5, x_5^0'=x_5^post5, b_7^0'=b_7^post5, y_6^0'=y_6^post5, (Result_4^0-Result_4^post5 == 0 /\ x_5^0-x_5^post5 == 0 /\ -y_6^post5+y_6^0 == 0 /\ -b_7^post5+b_7^0 == 0), cost: 1 Applied preprocessing Original rule: l0 -> l1 : Result_4^0'=Result_4^post0, x_5^0'=x_5^post0, b_7^0'=b_7^post0, y_6^0'=y_6^post0, (1+y_6^post0-y_6^0 == 0 /\ 1-b_7^0 <= 0 /\ 1+x_5^0-y_6^0 <= 0 /\ Result_4^0-Result_4^post0 == 0 /\ x_5^0-x_5^post0 == 0 /\ b_7^post0 == 0), cost: 1 New rule: l0 -> l1 : b_7^0'=0, y_6^0'=-1+y_6^0, (-1+b_7^0 >= 0 /\ 1+x_5^0-y_6^0 <= 0), cost: 1 Applied preprocessing Original rule: l3 -> l1 : Result_4^0'=Result_4^post2, x_5^0'=x_5^post2, b_7^0'=b_7^post2, y_6^0'=y_6^post2, (b_7^post2 == 0 /\ x_5^0-x_5^post2 == 0 /\ -y_6^post2+y_6^0 == 0 /\ Result_4^0-Result_4^post2 == 0), cost: 1 New rule: l3 -> l1 : b_7^0'=0, TRUE, cost: 1 Applied preprocessing Original rule: l1 -> l0 : Result_4^0'=Result_4^post3, x_5^0'=x_5^post3, b_7^0'=b_7^post3, y_6^0'=y_6^post3, (-1-x_5^0+x_5^post3 == 0 /\ Result_4^0-Result_4^post3 == 0 /\ -1+b_7^post3 == 0 /\ b_7^0 <= 0 /\ 1+x_5^0-y_6^0 <= 0 /\ -y_6^post3+y_6^0 == 0), cost: 1 New rule: l1 -> l0 : x_5^0'=1+x_5^0, b_7^0'=1, (b_7^0 <= 0 /\ 1+x_5^0-y_6^0 <= 0), cost: 1 Applied preprocessing Original rule: l4 -> l3 : Result_4^0'=Result_4^post5, x_5^0'=x_5^post5, b_7^0'=b_7^post5, y_6^0'=y_6^post5, (Result_4^0-Result_4^post5 == 0 /\ x_5^0-x_5^post5 == 0 /\ -y_6^post5+y_6^0 == 0 /\ -b_7^post5+b_7^0 == 0), cost: 1 New rule: l4 -> l3 : TRUE, cost: 1 Simplified rules Start location: l4 6: l0 -> l1 : b_7^0'=0, y_6^0'=-1+y_6^0, (-1+b_7^0 >= 0 /\ 1+x_5^0-y_6^0 <= 0), cost: 1 8: l1 -> l0 : x_5^0'=1+x_5^0, b_7^0'=1, (b_7^0 <= 0 /\ 1+x_5^0-y_6^0 <= 0), cost: 1 7: l3 -> l1 : b_7^0'=0, TRUE, cost: 1 9: l4 -> l3 : TRUE, cost: 1 Eliminating location l3 by chaining: Applied chaining First rule: l4 -> l3 : TRUE, cost: 1 Second rule: l3 -> l1 : b_7^0'=0, TRUE, cost: 1 New rule: l4 -> l1 : b_7^0'=0, TRUE, cost: 2 Applied deletion Removed the following rules: 7 9 Eliminating location l0 by chaining: Applied chaining First rule: l1 -> l0 : x_5^0'=1+x_5^0, b_7^0'=1, (b_7^0 <= 0 /\ 1+x_5^0-y_6^0 <= 0), cost: 1 Second rule: l0 -> l1 : b_7^0'=0, y_6^0'=-1+y_6^0, (-1+b_7^0 >= 0 /\ 1+x_5^0-y_6^0 <= 0), cost: 1 New rule: l1 -> l1 : x_5^0'=1+x_5^0, b_7^0'=0, y_6^0'=-1+y_6^0, (0 >= 0 /\ b_7^0 <= 0 /\ 1+x_5^0-y_6^0 <= 0 /\ 2+x_5^0-y_6^0 <= 0), cost: 2 Applied simplification Original rule: l1 -> l1 : x_5^0'=1+x_5^0, b_7^0'=0, y_6^0'=-1+y_6^0, (0 >= 0 /\ b_7^0 <= 0 /\ 1+x_5^0-y_6^0 <= 0 /\ 2+x_5^0-y_6^0 <= 0), cost: 2 New rule: l1 -> l1 : x_5^0'=1+x_5^0, b_7^0'=0, y_6^0'=-1+y_6^0, (b_7^0 <= 0 /\ 2+x_5^0-y_6^0 <= 0), cost: 2 Applied deletion Removed the following rules: 6 8 Eliminated locations on linear paths Start location: l4 11: l1 -> l1 : x_5^0'=1+x_5^0, b_7^0'=0, y_6^0'=-1+y_6^0, (b_7^0 <= 0 /\ 2+x_5^0-y_6^0 <= 0), cost: 2 10: l4 -> l1 : b_7^0'=0, TRUE, cost: 2 Applied acceleration Original rule: l1 -> l1 : x_5^0'=1+x_5^0, b_7^0'=0, y_6^0'=-1+y_6^0, (b_7^0 <= 0 /\ 2+x_5^0-y_6^0 <= 0), cost: 2 New rule: l1 -> l1 : x_5^0'=x_5^0+n0, b_7^0'=0, y_6^0'=-n0+y_6^0, (-b_7^0 >= 0 /\ -x_5^0-2*n0+y_6^0 >= 0 /\ -1+n0 >= 0), cost: 2*n0 Applied simplification Original rule: l1 -> l1 : x_5^0'=x_5^0+n0, b_7^0'=0, y_6^0'=-n0+y_6^0, (-b_7^0 >= 0 /\ -x_5^0-2*n0+y_6^0 >= 0 /\ -1+n0 >= 0), cost: 2*n0 New rule: l1 -> l1 : x_5^0'=x_5^0+n0, b_7^0'=0, y_6^0'=-n0+y_6^0, (-x_5^0-2*n0+y_6^0 >= 0 /\ b_7^0 <= 0 /\ -1+n0 >= 0), cost: 2*n0 Applied deletion Removed the following rules: 11 Accelerated simple loops Start location: l4 13: l1 -> l1 : x_5^0'=x_5^0+n0, b_7^0'=0, y_6^0'=-n0+y_6^0, (-x_5^0-2*n0+y_6^0 >= 0 /\ b_7^0 <= 0 /\ -1+n0 >= 0), cost: 2*n0 10: l4 -> l1 : b_7^0'=0, TRUE, cost: 2 Applied chaining First rule: l4 -> l1 : b_7^0'=0, TRUE, cost: 2 Second rule: l1 -> l1 : x_5^0'=x_5^0+n0, b_7^0'=0, y_6^0'=-n0+y_6^0, (-x_5^0-2*n0+y_6^0 >= 0 /\ b_7^0 <= 0 /\ -1+n0 >= 0), cost: 2*n0 New rule: l4 -> l1 : x_5^0'=x_5^0+n0, b_7^0'=0, y_6^0'=-n0+y_6^0, (-x_5^0-2*n0+y_6^0 >= 0 /\ -1+n0 >= 0), cost: 2+2*n0 Applied deletion Removed the following rules: 13 Chained accelerated rules with incoming rules Start location: l4 10: l4 -> l1 : b_7^0'=0, TRUE, cost: 2 14: l4 -> l1 : x_5^0'=x_5^0+n0, b_7^0'=0, y_6^0'=-n0+y_6^0, (-x_5^0-2*n0+y_6^0 >= 0 /\ -1+n0 >= 0), cost: 2+2*n0 Removed unreachable locations and irrelevant leafs Start location: l4 Computing asymptotic complexity Proved the following lower bound Complexity: Unknown Cpx degree: ? Solved cost: 0 Rule cost: 0