WORST_CASE(Omega(0),?) Initial ITS Start location: l7 0: l0 -> l1 : Result_4^0'=Result_4^post0, x_5^0'=x_5^post0, tmp_7^0'=tmp_7^post0, y_6^0'=y_6^post0, (0 == 0 /\ -y_6^post0+y_6^0 == 0 /\ x_5^0 <= 0 /\ tmp_7^0-tmp_7^post0 == 0 /\ x_5^0-x_5^post0 == 0), cost: 1 1: l0 -> l1 : Result_4^0'=Result_4^post1, x_5^0'=x_5^post1, tmp_7^0'=tmp_7^post1, y_6^0'=y_6^post1, (0 == 0 /\ -tmp_7^post1+tmp_7^0 == 0 /\ 1-x_5^0 <= 0 /\ -x_5^post1+x_5^0 == 0 /\ y_6^0 <= 0 /\ -y_6^post1+y_6^0 == 0), cost: 1 2: l0 -> l1 : Result_4^0'=Result_4^post2, x_5^0'=x_5^post2, tmp_7^0'=tmp_7^post2, y_6^0'=y_6^post2, (0 == 0 /\ 1-x_5^0 <= 0 /\ -tmp_7^post2+tmp_7^0 == 0 /\ x_5^0+y_6^0 <= 0 /\ x_5^0-x_5^post2 == 0 /\ -y_6^post2+y_6^0 == 0 /\ 1-y_6^0 <= 0), cost: 1 3: l0 -> l2 : Result_4^0'=Result_4^post3, x_5^0'=x_5^post3, tmp_7^0'=tmp_7^post3, y_6^0'=y_6^post3, (0 == 0 /\ 2+x_5^post3-y_6^0 == 0 /\ -tmp_7^post3 <= 0 /\ Result_4^0-Result_4^post3 == 0 /\ 1-x_5^0 <= 0 /\ 1-x_5^0-y_6^0 <= 0 /\ -1+y_6^post3-x_5^post3 == 0 /\ tmp_7^post3 <= 0 /\ 1-y_6^0 <= 0), cost: 1 5: l0 -> l4 : Result_4^0'=Result_4^post5, x_5^0'=x_5^post5, tmp_7^0'=tmp_7^post5, y_6^0'=y_6^post5, (0 == 0 /\ Result_4^0-Result_4^post5 == 0 /\ 1-x_5^0 <= 0 /\ 1-x_5^0-y_6^0 <= 0 /\ x_5^0-x_5^post5 == 0 /\ -y_6^post5+y_6^0 == 0 /\ 1-y_6^0 <= 0), cost: 1 4: l2 -> l0 : Result_4^0'=Result_4^post4, x_5^0'=x_5^post4, tmp_7^0'=tmp_7^post4, y_6^0'=y_6^post4, (Result_4^0-Result_4^post4 == 0 /\ -y_6^post4+y_6^0 == 0 /\ -tmp_7^post4+tmp_7^0 == 0 /\ -x_5^post4+x_5^0 == 0), cost: 1 6: l4 -> l5 : Result_4^0'=Result_4^post6, x_5^0'=x_5^post6, tmp_7^0'=tmp_7^post6, y_6^0'=y_6^post6, (x_5^0-x_5^post6 == 0 /\ y_6^0-y_6^post6 == 0 /\ Result_4^0-Result_4^post6 == 0 /\ 1+tmp_7^0 <= 0 /\ -tmp_7^post6+tmp_7^0 == 0), cost: 1 7: l4 -> l5 : Result_4^0'=Result_4^post7, x_5^0'=x_5^post7, tmp_7^0'=tmp_7^post7, y_6^0'=y_6^post7, (Result_4^0-Result_4^post7 == 0 /\ tmp_7^0-tmp_7^post7 == 0 /\ 1-tmp_7^0 <= 0 /\ x_5^0-x_5^post7 == 0 /\ -y_6^post7+y_6^0 == 0), cost: 1 8: l5 -> l3 : Result_4^0'=Result_4^post8, x_5^0'=x_5^post8, tmp_7^0'=tmp_7^post8, y_6^0'=y_6^post8, (y_6^post8-x_5^post8 == 0 /\ -tmp_7^post8+tmp_7^0 == 0 /\ Result_4^0-Result_4^post8 == 0 /\ 1-x_5^0+x_5^post8 == 0), cost: 1 9: l3 -> l0 : Result_4^0'=Result_4^post9, x_5^0'=x_5^post9, tmp_7^0'=tmp_7^post9, y_6^0'=y_6^post9, (-x_5^post9+x_5^0 == 0 /\ Result_4^0-Result_4^post9 == 0 /\ -y_6^post9+y_6^0 == 0 /\ -tmp_7^post9+tmp_7^0 == 0), cost: 1 10: l6 -> l0 : Result_4^0'=Result_4^post10, x_5^0'=x_5^post10, tmp_7^0'=tmp_7^post10, y_6^0'=y_6^post10, (-y_6^post10+y_6^0 == 0 /\ Result_4^0-Result_4^post10 == 0 /\ -tmp_7^post10+tmp_7^0 == 0 /\ x_5^0-x_5^post10 == 0), cost: 1 11: l7 -> l6 : Result_4^0'=Result_4^post11, x_5^0'=x_5^post11, tmp_7^0'=tmp_7^post11, y_6^0'=y_6^post11, (tmp_7^0-tmp_7^post11 == 0 /\ -y_6^post11+y_6^0 == 0 /\ Result_4^0-Result_4^post11 == 0 /\ x_5^0-x_5^post11 == 0), cost: 1 Removed unreachable rules and leafs Start location: l7 3: l0 -> l2 : Result_4^0'=Result_4^post3, x_5^0'=x_5^post3, tmp_7^0'=tmp_7^post3, y_6^0'=y_6^post3, (0 == 0 /\ 2+x_5^post3-y_6^0 == 0 /\ -tmp_7^post3 <= 0 /\ Result_4^0-Result_4^post3 == 0 /\ 1-x_5^0 <= 0 /\ 1-x_5^0-y_6^0 <= 0 /\ -1+y_6^post3-x_5^post3 == 0 /\ tmp_7^post3 <= 0 /\ 1-y_6^0 <= 0), cost: 1 5: l0 -> l4 : Result_4^0'=Result_4^post5, x_5^0'=x_5^post5, tmp_7^0'=tmp_7^post5, y_6^0'=y_6^post5, (0 == 0 /\ Result_4^0-Result_4^post5 == 0 /\ 1-x_5^0 <= 0 /\ 1-x_5^0-y_6^0 <= 0 /\ x_5^0-x_5^post5 == 0 /\ -y_6^post5+y_6^0 == 0 /\ 1-y_6^0 <= 0), cost: 1 4: l2 -> l0 : Result_4^0'=Result_4^post4, x_5^0'=x_5^post4, tmp_7^0'=tmp_7^post4, y_6^0'=y_6^post4, (Result_4^0-Result_4^post4 == 0 /\ -y_6^post4+y_6^0 == 0 /\ -tmp_7^post4+tmp_7^0 == 0 /\ -x_5^post4+x_5^0 == 0), cost: 1 6: l4 -> l5 : Result_4^0'=Result_4^post6, x_5^0'=x_5^post6, tmp_7^0'=tmp_7^post6, y_6^0'=y_6^post6, (x_5^0-x_5^post6 == 0 /\ y_6^0-y_6^post6 == 0 /\ Result_4^0-Result_4^post6 == 0 /\ 1+tmp_7^0 <= 0 /\ -tmp_7^post6+tmp_7^0 == 0), cost: 1 7: l4 -> l5 : Result_4^0'=Result_4^post7, x_5^0'=x_5^post7, tmp_7^0'=tmp_7^post7, y_6^0'=y_6^post7, (Result_4^0-Result_4^post7 == 0 /\ tmp_7^0-tmp_7^post7 == 0 /\ 1-tmp_7^0 <= 0 /\ x_5^0-x_5^post7 == 0 /\ -y_6^post7+y_6^0 == 0), cost: 1 8: l5 -> l3 : Result_4^0'=Result_4^post8, x_5^0'=x_5^post8, tmp_7^0'=tmp_7^post8, y_6^0'=y_6^post8, (y_6^post8-x_5^post8 == 0 /\ -tmp_7^post8+tmp_7^0 == 0 /\ Result_4^0-Result_4^post8 == 0 /\ 1-x_5^0+x_5^post8 == 0), cost: 1 9: l3 -> l0 : Result_4^0'=Result_4^post9, x_5^0'=x_5^post9, tmp_7^0'=tmp_7^post9, y_6^0'=y_6^post9, (-x_5^post9+x_5^0 == 0 /\ Result_4^0-Result_4^post9 == 0 /\ -y_6^post9+y_6^0 == 0 /\ -tmp_7^post9+tmp_7^0 == 0), cost: 1 10: l6 -> l0 : Result_4^0'=Result_4^post10, x_5^0'=x_5^post10, tmp_7^0'=tmp_7^post10, y_6^0'=y_6^post10, (-y_6^post10+y_6^0 == 0 /\ Result_4^0-Result_4^post10 == 0 /\ -tmp_7^post10+tmp_7^0 == 0 /\ x_5^0-x_5^post10 == 0), cost: 1 11: l7 -> l6 : Result_4^0'=Result_4^post11, x_5^0'=x_5^post11, tmp_7^0'=tmp_7^post11, y_6^0'=y_6^post11, (tmp_7^0-tmp_7^post11 == 0 /\ -y_6^post11+y_6^0 == 0 /\ Result_4^0-Result_4^post11 == 0 /\ x_5^0-x_5^post11 == 0), cost: 1 Applied preprocessing Original rule: l0 -> l2 : Result_4^0'=Result_4^post3, x_5^0'=x_5^post3, tmp_7^0'=tmp_7^post3, y_6^0'=y_6^post3, (0 == 0 /\ 2+x_5^post3-y_6^0 == 0 /\ -tmp_7^post3 <= 0 /\ Result_4^0-Result_4^post3 == 0 /\ 1-x_5^0 <= 0 /\ 1-x_5^0-y_6^0 <= 0 /\ -1+y_6^post3-x_5^post3 == 0 /\ tmp_7^post3 <= 0 /\ 1-y_6^0 <= 0), cost: 1 New rule: l0 -> l2 : x_5^0'=-2+y_6^0, tmp_7^0'=0, y_6^0'=-1+y_6^0, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 1 Applied preprocessing Original rule: l2 -> l0 : Result_4^0'=Result_4^post4, x_5^0'=x_5^post4, tmp_7^0'=tmp_7^post4, y_6^0'=y_6^post4, (Result_4^0-Result_4^post4 == 0 /\ -y_6^post4+y_6^0 == 0 /\ -tmp_7^post4+tmp_7^0 == 0 /\ -x_5^post4+x_5^0 == 0), cost: 1 New rule: l2 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l0 -> l4 : Result_4^0'=Result_4^post5, x_5^0'=x_5^post5, tmp_7^0'=tmp_7^post5, y_6^0'=y_6^post5, (0 == 0 /\ Result_4^0-Result_4^post5 == 0 /\ 1-x_5^0 <= 0 /\ 1-x_5^0-y_6^0 <= 0 /\ x_5^0-x_5^post5 == 0 /\ -y_6^post5+y_6^0 == 0 /\ 1-y_6^0 <= 0), cost: 1 New rule: l0 -> l4 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 1 Applied preprocessing Original rule: l4 -> l5 : Result_4^0'=Result_4^post6, x_5^0'=x_5^post6, tmp_7^0'=tmp_7^post6, y_6^0'=y_6^post6, (x_5^0-x_5^post6 == 0 /\ y_6^0-y_6^post6 == 0 /\ Result_4^0-Result_4^post6 == 0 /\ 1+tmp_7^0 <= 0 /\ -tmp_7^post6+tmp_7^0 == 0), cost: 1 New rule: l4 -> l5 : 1+tmp_7^0 <= 0, cost: 1 Applied preprocessing Original rule: l4 -> l5 : Result_4^0'=Result_4^post7, x_5^0'=x_5^post7, tmp_7^0'=tmp_7^post7, y_6^0'=y_6^post7, (Result_4^0-Result_4^post7 == 0 /\ tmp_7^0-tmp_7^post7 == 0 /\ 1-tmp_7^0 <= 0 /\ x_5^0-x_5^post7 == 0 /\ -y_6^post7+y_6^0 == 0), cost: 1 New rule: l4 -> l5 : -1+tmp_7^0 >= 0, cost: 1 Applied preprocessing Original rule: l5 -> l3 : Result_4^0'=Result_4^post8, x_5^0'=x_5^post8, tmp_7^0'=tmp_7^post8, y_6^0'=y_6^post8, (y_6^post8-x_5^post8 == 0 /\ -tmp_7^post8+tmp_7^0 == 0 /\ Result_4^0-Result_4^post8 == 0 /\ 1-x_5^0+x_5^post8 == 0), cost: 1 New rule: l5 -> l3 : x_5^0'=-1+x_5^0, y_6^0'=-1+x_5^0, TRUE, cost: 1 Applied preprocessing Original rule: l3 -> l0 : Result_4^0'=Result_4^post9, x_5^0'=x_5^post9, tmp_7^0'=tmp_7^post9, y_6^0'=y_6^post9, (-x_5^post9+x_5^0 == 0 /\ Result_4^0-Result_4^post9 == 0 /\ -y_6^post9+y_6^0 == 0 /\ -tmp_7^post9+tmp_7^0 == 0), cost: 1 New rule: l3 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l6 -> l0 : Result_4^0'=Result_4^post10, x_5^0'=x_5^post10, tmp_7^0'=tmp_7^post10, y_6^0'=y_6^post10, (-y_6^post10+y_6^0 == 0 /\ Result_4^0-Result_4^post10 == 0 /\ -tmp_7^post10+tmp_7^0 == 0 /\ x_5^0-x_5^post10 == 0), cost: 1 New rule: l6 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l7 -> l6 : Result_4^0'=Result_4^post11, x_5^0'=x_5^post11, tmp_7^0'=tmp_7^post11, y_6^0'=y_6^post11, (tmp_7^0-tmp_7^post11 == 0 /\ -y_6^post11+y_6^0 == 0 /\ Result_4^0-Result_4^post11 == 0 /\ x_5^0-x_5^post11 == 0), cost: 1 New rule: l7 -> l6 : TRUE, cost: 1 Simplified rules Start location: l7 12: l0 -> l2 : x_5^0'=-2+y_6^0, tmp_7^0'=0, y_6^0'=-1+y_6^0, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 1 14: l0 -> l4 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 1 13: l2 -> l0 : TRUE, cost: 1 15: l4 -> l5 : 1+tmp_7^0 <= 0, cost: 1 16: l4 -> l5 : -1+tmp_7^0 >= 0, cost: 1 17: l5 -> l3 : x_5^0'=-1+x_5^0, y_6^0'=-1+x_5^0, TRUE, cost: 1 18: l3 -> l0 : TRUE, cost: 1 19: l6 -> l0 : TRUE, cost: 1 20: l7 -> l6 : TRUE, cost: 1 Eliminating location l6 by chaining: Applied chaining First rule: l7 -> l6 : TRUE, cost: 1 Second rule: l6 -> l0 : TRUE, cost: 1 New rule: l7 -> l0 : TRUE, cost: 2 Applied deletion Removed the following rules: 19 20 Eliminating location l2 by chaining: Applied chaining First rule: l0 -> l2 : x_5^0'=-2+y_6^0, tmp_7^0'=0, y_6^0'=-1+y_6^0, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 1 Second rule: l2 -> l0 : TRUE, cost: 1 New rule: l0 -> l0 : x_5^0'=-2+y_6^0, tmp_7^0'=0, y_6^0'=-1+y_6^0, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 2 Applied deletion Removed the following rules: 12 13 Eliminating location l3 by chaining: Applied chaining First rule: l5 -> l3 : x_5^0'=-1+x_5^0, y_6^0'=-1+x_5^0, TRUE, cost: 1 Second rule: l3 -> l0 : TRUE, cost: 1 New rule: l5 -> l0 : x_5^0'=-1+x_5^0, y_6^0'=-1+x_5^0, TRUE, cost: 2 Applied deletion Removed the following rules: 17 18 Eliminated locations on linear paths Start location: l7 14: l0 -> l4 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 1 22: l0 -> l0 : x_5^0'=-2+y_6^0, tmp_7^0'=0, y_6^0'=-1+y_6^0, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 2 15: l4 -> l5 : 1+tmp_7^0 <= 0, cost: 1 16: l4 -> l5 : -1+tmp_7^0 >= 0, cost: 1 23: l5 -> l0 : x_5^0'=-1+x_5^0, y_6^0'=-1+x_5^0, TRUE, cost: 2 21: l7 -> l0 : TRUE, cost: 2 Applied acceleration Original rule: l0 -> l0 : x_5^0'=-2+y_6^0, tmp_7^0'=0, y_6^0'=-1+y_6^0, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 2 New rule: l0 -> l0 : x_5^0'=-1-n0+y_6^0, tmp_7^0'=0, y_6^0'=-n0+y_6^0, (-1+x_5^0 >= 0 /\ -n0+y_6^0 >= 0 /\ -1-n0+y_6^0 >= 0 /\ -1+n0 >= 0), cost: 2*n0 Applied instantiation Original rule: l0 -> l0 : x_5^0'=-1-n0+y_6^0, tmp_7^0'=0, y_6^0'=-n0+y_6^0, (-1+x_5^0 >= 0 /\ -n0+y_6^0 >= 0 /\ -1-n0+y_6^0 >= 0 /\ -1+n0 >= 0), cost: 2*n0 New rule: l0 -> l0 : x_5^0'=-1, tmp_7^0'=0, y_6^0'=0, (0 >= 0 /\ -1+x_5^0 >= 0 /\ -1 >= 0 /\ -1+y_6^0 >= 0), cost: 2*y_6^0 Applied instantiation Original rule: l0 -> l0 : x_5^0'=-1-n0+y_6^0, tmp_7^0'=0, y_6^0'=-n0+y_6^0, (-1+x_5^0 >= 0 /\ -n0+y_6^0 >= 0 /\ -1-n0+y_6^0 >= 0 /\ -1+n0 >= 0), cost: 2*n0 New rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (0 >= 0 /\ -2+y_6^0 >= 0 /\ 1 >= 0 /\ -1+x_5^0 >= 0), cost: -2+2*y_6^0 Applied simplification Original rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (0 >= 0 /\ -2+y_6^0 >= 0 /\ 1 >= 0 /\ -1+x_5^0 >= 0), cost: -2+2*y_6^0 New rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: -2+2*y_6^0 Applied deletion Removed the following rules: 22 Accelerated simple loops Start location: l7 14: l0 -> l4 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 1 24: l0 -> l0 : x_5^0'=-1, tmp_7^0'=0, y_6^0'=0, (0 >= 0 /\ -1+x_5^0 >= 0 /\ -1 >= 0 /\ -1+y_6^0 >= 0), cost: 2*y_6^0 26: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: -2+2*y_6^0 15: l4 -> l5 : 1+tmp_7^0 <= 0, cost: 1 16: l4 -> l5 : -1+tmp_7^0 >= 0, cost: 1 23: l5 -> l0 : x_5^0'=-1+x_5^0, y_6^0'=-1+x_5^0, TRUE, cost: 2 21: l7 -> l0 : TRUE, cost: 2 Applied chaining First rule: l7 -> l0 : TRUE, cost: 2 Second rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: -2+2*y_6^0 New rule: l7 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: 2*y_6^0 Applied chaining First rule: l5 -> l0 : x_5^0'=-1+x_5^0, y_6^0'=-1+x_5^0, TRUE, cost: 2 Second rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: -2+2*y_6^0 New rule: l5 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, -3+x_5^0 >= 0, cost: -2+2*x_5^0 Applied deletion Removed the following rules: 24 26 Chained accelerated rules with incoming rules Start location: l7 14: l0 -> l4 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 1 15: l4 -> l5 : 1+tmp_7^0 <= 0, cost: 1 16: l4 -> l5 : -1+tmp_7^0 >= 0, cost: 1 23: l5 -> l0 : x_5^0'=-1+x_5^0, y_6^0'=-1+x_5^0, TRUE, cost: 2 28: l5 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, -3+x_5^0 >= 0, cost: -2+2*x_5^0 21: l7 -> l0 : TRUE, cost: 2 27: l7 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: 2*y_6^0 Eliminating location l4 by chaining: Applied chaining First rule: l0 -> l4 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 1 Second rule: l4 -> l5 : 1+tmp_7^0 <= 0, cost: 1 New rule: l0 -> l5 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0), cost: 2 Applied chaining First rule: l0 -> l4 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0), cost: 1 Second rule: l4 -> l5 : -1+tmp_7^0 >= 0, cost: 1 New rule: l0 -> l5 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0), cost: 2 Applied deletion Removed the following rules: 14 15 16 Eliminated locations on tree-shaped paths Start location: l7 29: l0 -> l5 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0), cost: 2 30: l0 -> l5 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0), cost: 2 23: l5 -> l0 : x_5^0'=-1+x_5^0, y_6^0'=-1+x_5^0, TRUE, cost: 2 28: l5 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, -3+x_5^0 >= 0, cost: -2+2*x_5^0 21: l7 -> l0 : TRUE, cost: 2 27: l7 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: 2*y_6^0 Applied merging first rule: l0 -> l5 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0), cost: 2 second rule: l0 -> l5 : tmp_7^0'=tmp_7^post5, (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0), cost: 2 new rule: l0 -> l5 : tmp_7^0'=tmp_7^post5, ((-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0)), cost: 2 Merged rules Start location: l7 31: l0 -> l5 : tmp_7^0'=tmp_7^post5, ((-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0)), cost: 2 23: l5 -> l0 : x_5^0'=-1+x_5^0, y_6^0'=-1+x_5^0, TRUE, cost: 2 28: l5 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, -3+x_5^0 >= 0, cost: -2+2*x_5^0 21: l7 -> l0 : TRUE, cost: 2 27: l7 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: 2*y_6^0 Eliminating location l5 by chaining: Applied chaining First rule: l0 -> l5 : tmp_7^0'=tmp_7^post5, ((-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0)), cost: 2 Second rule: l5 -> l0 : x_5^0'=-1+x_5^0, y_6^0'=-1+x_5^0, TRUE, cost: 2 New rule: l0 -> l0 : x_5^0'=-1+x_5^0, tmp_7^0'=tmp_7^post5, y_6^0'=-1+x_5^0, ((-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0)), cost: 4 Applied simplification Original rule: l0 -> l0 : x_5^0'=-1+x_5^0, tmp_7^0'=tmp_7^post5, y_6^0'=-1+x_5^0, ((-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0)), cost: 4 New rule: l0 -> l0 : x_5^0'=-1+x_5^0, tmp_7^0'=tmp_7^post5, y_6^0'=-1+x_5^0, ((-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0) \/ (-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0)), cost: 4 Applied chaining First rule: l0 -> l5 : tmp_7^0'=tmp_7^post5, ((-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0)), cost: 2 Second rule: l5 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, -3+x_5^0 >= 0, cost: -2+2*x_5^0 New rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-3+x_5^0 >= 0 /\ ((-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 2*x_5^0 Applied simplification Original rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-3+x_5^0 >= 0 /\ ((-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 2*x_5^0 New rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-3+x_5^0 >= 0 /\ ((1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 2*x_5^0 Applied deletion Removed the following rules: 23 28 31 Eliminated locations on tree-shaped paths Start location: l7 32: l0 -> l0 : x_5^0'=-1+x_5^0, tmp_7^0'=tmp_7^post5, y_6^0'=-1+x_5^0, ((-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0) \/ (-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0)), cost: 4 33: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-3+x_5^0 >= 0 /\ ((1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 2*x_5^0 21: l7 -> l0 : TRUE, cost: 2 27: l7 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: 2*y_6^0 Applied simplification Original rule: l0 -> l0 : x_5^0'=-1+x_5^0, tmp_7^0'=tmp_7^post5, y_6^0'=-1+x_5^0, ((-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0) \/ (-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0)), cost: 4 New rule: l0 -> l0 : x_5^0'=-1+x_5^0, tmp_7^0'=tmp_7^post5, y_6^0'=-1+x_5^0, ((-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0)), cost: 4 Applied simplification Original rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-3+x_5^0 >= 0 /\ ((1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 2*x_5^0 New rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-3+x_5^0 >= 0 /\ ((-1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0) \/ (1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0))), cost: 2*x_5^0 Simplified simple loops Start location: l7 34: l0 -> l0 : x_5^0'=-1+x_5^0, tmp_7^0'=tmp_7^post5, y_6^0'=-1+x_5^0, ((-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0)), cost: 4 35: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-3+x_5^0 >= 0 /\ ((-1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0) \/ (1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0))), cost: 2*x_5^0 21: l7 -> l0 : TRUE, cost: 2 27: l7 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: 2*y_6^0 Applied acceleration Original rule: l0 -> l0 : x_5^0'=-1+x_5^0, tmp_7^0'=tmp_7^post5, y_6^0'=-1+x_5^0, ((-1+x_5^0 >= 0 /\ 1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+x_5^0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0)), cost: 4 New rule: l0 -> l0 : x_5^0'=x_5^0-n5, tmp_7^0'=tmp_7^post5, y_6^0'=x_5^0-n5, (-1+n5 >= 0 /\ ((x_5^0-n5 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0) \/ (-1-tmp_7^post5 >= 0 /\ x_5^0-n5 >= 0 /\ -1+y_6^0 >= 0))), cost: 4*n5 Applied instantiation Original rule: l0 -> l0 : x_5^0'=x_5^0-n5, tmp_7^0'=tmp_7^post5, y_6^0'=x_5^0-n5, (-1+n5 >= 0 /\ ((x_5^0-n5 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0) \/ (-1-tmp_7^post5 >= 0 /\ x_5^0-n5 >= 0 /\ -1+y_6^0 >= 0))), cost: 4*n5 New rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=tmp_7^post5, y_6^0'=0, (-1+x_5^0 >= 0 /\ ((0 >= 0 /\ -1-tmp_7^post5 >= 0 /\ -1+y_6^0 >= 0) \/ (0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 4*x_5^0 Applied simplification Original rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=tmp_7^post5, y_6^0'=0, (-1+x_5^0 >= 0 /\ ((0 >= 0 /\ -1-tmp_7^post5 >= 0 /\ -1+y_6^0 >= 0) \/ (0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 4*x_5^0 New rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=tmp_7^post5, y_6^0'=0, (-1+x_5^0 >= 0 /\ ((1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 4*x_5^0 Applied deletion Removed the following rules: 34 Accelerated simple loops Start location: l7 35: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-3+x_5^0 >= 0 /\ ((-1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0) \/ (1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0))), cost: 2*x_5^0 37: l0 -> l0 : x_5^0'=0, tmp_7^0'=tmp_7^post5, y_6^0'=0, (-1+x_5^0 >= 0 /\ ((1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 4*x_5^0 21: l7 -> l0 : TRUE, cost: 2 27: l7 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: 2*y_6^0 Applied chaining First rule: l7 -> l0 : TRUE, cost: 2 Second rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-3+x_5^0 >= 0 /\ ((-1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0) \/ (1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0))), cost: 2*x_5^0 New rule: l7 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-3+x_5^0 >= 0 /\ ((1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 2+2*x_5^0 Applied chaining First rule: l7 -> l0 : TRUE, cost: 2 Second rule: l0 -> l0 : x_5^0'=0, tmp_7^0'=tmp_7^post5, y_6^0'=0, (-1+x_5^0 >= 0 /\ ((1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (0 >= 0 /\ -1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 4*x_5^0 New rule: l7 -> l0 : x_5^0'=0, tmp_7^0'=tmp_7^post5, y_6^0'=0, (-1+x_5^0 >= 0 /\ ((-1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0) \/ (1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0))), cost: 2+4*x_5^0 Applied deletion Removed the following rules: 35 37 Chained accelerated rules with incoming rules Start location: l7 21: l7 -> l0 : TRUE, cost: 2 27: l7 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-2+y_6^0 >= 0 /\ -1+x_5^0 >= 0), cost: 2*y_6^0 38: l7 -> l0 : x_5^0'=0, tmp_7^0'=0, y_6^0'=1, (-3+x_5^0 >= 0 /\ ((1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0) \/ (-1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0))), cost: 2+2*x_5^0 39: l7 -> l0 : x_5^0'=0, tmp_7^0'=tmp_7^post5, y_6^0'=0, (-1+x_5^0 >= 0 /\ ((-1+y_6^0 >= 0 /\ -1+tmp_7^post5 >= 0) \/ (1+tmp_7^post5 <= 0 /\ -1+y_6^0 >= 0))), cost: 2+4*x_5^0 Removed unreachable locations and irrelevant leafs Start location: l7 Computing asymptotic complexity Proved the following lower bound Complexity: Unknown Cpx degree: ? Solved cost: 0 Rule cost: 0