WORST_CASE(Omega(0),?) Initial ITS Start location: l8 0: l0 -> l1 : c^0'=c^post0, oy^0'=oy^post0, y^0'=y^post0, ox^0'=ox^post0, x^0'=x^post0, (1+y^0 <= 0 /\ y^0-y^post0 == 0 /\ c^0-c^post0 == 0 /\ -x^post0+x^0 == 0 /\ -ox^post0+ox^0 == 0 /\ oy^0-oy^post0 == 0), cost: 1 1: l0 -> l1 : c^0'=c^post1, oy^0'=oy^post1, y^0'=y^post1, ox^0'=ox^post1, x^0'=x^post1, (-y^post1+y^0 == 0 /\ c^0-c^post1 == 0 /\ ox^0-ox^post1 == 0 /\ -x^post1+x^0 == 0 /\ oy^0-y^0 <= 0 /\ -oy^post1+oy^0 == 0), cost: 1 2: l2 -> l0 : c^0'=c^post2, oy^0'=oy^post2, y^0'=y^post2, ox^0'=ox^post2, x^0'=x^post2, (c^0-c^post2 == 0 /\ -ox^post2+ox^0 == 0 /\ -y^post2+y^0 == 0 /\ 1+x^0 <= 0 /\ oy^0-oy^post2 == 0 /\ -x^post2+x^0 == 0), cost: 1 3: l2 -> l0 : c^0'=c^post3, oy^0'=oy^post3, y^0'=y^post3, ox^0'=ox^post3, x^0'=x^post3, (-x^post3+x^0 == 0 /\ ox^0-x^0 <= 0 /\ y^0-y^post3 == 0 /\ ox^0-ox^post3 == 0 /\ oy^0-oy^post3 == 0 /\ c^0-c^post3 == 0), cost: 1 4: l2 -> l3 : c^0'=c^post4, oy^0'=oy^post4, y^0'=y^post4, ox^0'=ox^post4, x^0'=x^post4, (x^post4-x^0 == 0 /\ -y^post4+y^0 == 0 /\ -ox^post4+ox^0 == 0 /\ c^0-c^post4 == 0 /\ oy^0-oy^post4 == 0), cost: 1 11: l3 -> l6 : c^0'=c^post11, oy^0'=oy^post11, y^0'=y^post11, ox^0'=ox^post11, x^0'=x^post11, (y^0-y^post11 == 0 /\ -x^post11+x^0 == 0 /\ c^0-c^post11 == 0 /\ 1-y^0 <= 0 /\ oy^0-oy^post11 == 0 /\ 1-x^0 <= 0 /\ -ox^post11+ox^0 == 0), cost: 1 5: l4 -> l3 : c^0'=c^post5, oy^0'=oy^post5, y^0'=y^post5, ox^0'=ox^post5, x^0'=x^post5, (c^0 <= 0 /\ -x^post5+x^0 == 0 /\ y^0-y^post5 == 0 /\ c^0-c^post5 == 0 /\ -ox^post5+ox^0 == 0 /\ oy^0-oy^post5 == 0), cost: 1 6: l4 -> l3 : c^0'=c^post6, oy^0'=oy^post6, y^0'=y^post6, ox^0'=ox^post6, x^0'=x^post6, (-1+c^post6 == 0 /\ ox^post6-x^0 == 0 /\ x^0-x^post6 == 0 /\ -y^post6+y^0 == 0 /\ -y^0+oy^post6 == 0), cost: 1 7: l5 -> l4 : c^0'=c^post7, oy^0'=oy^post7, y^0'=y^post7, ox^0'=ox^post7, x^0'=x^post7, (c^0 <= 0 /\ -ox^post7+ox^0 == 0 /\ oy^0-oy^post7 == 0 /\ c^0-c^post7 == 0 /\ y^0-y^post7 == 0 /\ -x^post7+x^0 == 0), cost: 1 8: l5 -> l2 : c^0'=c^post8, oy^0'=oy^post8, y^0'=y^post8, ox^0'=ox^post8, x^0'=x^post8, (-x^post8+x^0 == 0 /\ 1-c^0 <= 0 /\ c^0-c^post8 == 0 /\ -ox^post8+ox^0 == 0 /\ oy^0-oy^post8 == 0 /\ -y^post8+y^0 == 0), cost: 1 9: l6 -> l5 : c^0'=c^post9, oy^0'=oy^post9, y^0'=y^post9, ox^0'=ox^post9, x^0'=x^post9, (1-y^0+y^post9 == 0 /\ -x^post9+x^0 == 0 /\ -ox^post9+ox^0 == 0 /\ c^0-c^post9 == 0 /\ oy^0-oy^post9 == 0), cost: 1 10: l6 -> l5 : c^0'=c^post10, oy^0'=oy^post10, y^0'=y^post10, ox^0'=ox^post10, x^0'=x^post10, (-y^post10+y^0 == 0 /\ 1-x^0+x^post10 == 0 /\ -ox^post10+ox^0 == 0 /\ c^0-c^post10 == 0 /\ oy^0-oy^post10 == 0), cost: 1 12: l7 -> l3 : c^0'=c^post12, oy^0'=oy^post12, y^0'=y^post12, ox^0'=ox^post12, x^0'=x^post12, (c^0 <= 0 /\ -y^post12+y^0 == 0 /\ x^0-x^post12 == 0 /\ c^0-c^post12 == 0 /\ ox^0-ox^post12 == 0 /\ -oy^post12+oy^0 == 0), cost: 1 13: l8 -> l7 : c^0'=c^post13, oy^0'=oy^post13, y^0'=y^post13, ox^0'=ox^post13, x^0'=x^post13, (-x^post13+x^0 == 0 /\ oy^0-oy^post13 == 0 /\ -ox^post13+ox^0 == 0 /\ c^0-c^post13 == 0 /\ y^0-y^post13 == 0), cost: 1 Removed unreachable rules and leafs Start location: l8 4: l2 -> l3 : c^0'=c^post4, oy^0'=oy^post4, y^0'=y^post4, ox^0'=ox^post4, x^0'=x^post4, (x^post4-x^0 == 0 /\ -y^post4+y^0 == 0 /\ -ox^post4+ox^0 == 0 /\ c^0-c^post4 == 0 /\ oy^0-oy^post4 == 0), cost: 1 11: l3 -> l6 : c^0'=c^post11, oy^0'=oy^post11, y^0'=y^post11, ox^0'=ox^post11, x^0'=x^post11, (y^0-y^post11 == 0 /\ -x^post11+x^0 == 0 /\ c^0-c^post11 == 0 /\ 1-y^0 <= 0 /\ oy^0-oy^post11 == 0 /\ 1-x^0 <= 0 /\ -ox^post11+ox^0 == 0), cost: 1 5: l4 -> l3 : c^0'=c^post5, oy^0'=oy^post5, y^0'=y^post5, ox^0'=ox^post5, x^0'=x^post5, (c^0 <= 0 /\ -x^post5+x^0 == 0 /\ y^0-y^post5 == 0 /\ c^0-c^post5 == 0 /\ -ox^post5+ox^0 == 0 /\ oy^0-oy^post5 == 0), cost: 1 6: l4 -> l3 : c^0'=c^post6, oy^0'=oy^post6, y^0'=y^post6, ox^0'=ox^post6, x^0'=x^post6, (-1+c^post6 == 0 /\ ox^post6-x^0 == 0 /\ x^0-x^post6 == 0 /\ -y^post6+y^0 == 0 /\ -y^0+oy^post6 == 0), cost: 1 7: l5 -> l4 : c^0'=c^post7, oy^0'=oy^post7, y^0'=y^post7, ox^0'=ox^post7, x^0'=x^post7, (c^0 <= 0 /\ -ox^post7+ox^0 == 0 /\ oy^0-oy^post7 == 0 /\ c^0-c^post7 == 0 /\ y^0-y^post7 == 0 /\ -x^post7+x^0 == 0), cost: 1 8: l5 -> l2 : c^0'=c^post8, oy^0'=oy^post8, y^0'=y^post8, ox^0'=ox^post8, x^0'=x^post8, (-x^post8+x^0 == 0 /\ 1-c^0 <= 0 /\ c^0-c^post8 == 0 /\ -ox^post8+ox^0 == 0 /\ oy^0-oy^post8 == 0 /\ -y^post8+y^0 == 0), cost: 1 9: l6 -> l5 : c^0'=c^post9, oy^0'=oy^post9, y^0'=y^post9, ox^0'=ox^post9, x^0'=x^post9, (1-y^0+y^post9 == 0 /\ -x^post9+x^0 == 0 /\ -ox^post9+ox^0 == 0 /\ c^0-c^post9 == 0 /\ oy^0-oy^post9 == 0), cost: 1 10: l6 -> l5 : c^0'=c^post10, oy^0'=oy^post10, y^0'=y^post10, ox^0'=ox^post10, x^0'=x^post10, (-y^post10+y^0 == 0 /\ 1-x^0+x^post10 == 0 /\ -ox^post10+ox^0 == 0 /\ c^0-c^post10 == 0 /\ oy^0-oy^post10 == 0), cost: 1 12: l7 -> l3 : c^0'=c^post12, oy^0'=oy^post12, y^0'=y^post12, ox^0'=ox^post12, x^0'=x^post12, (c^0 <= 0 /\ -y^post12+y^0 == 0 /\ x^0-x^post12 == 0 /\ c^0-c^post12 == 0 /\ ox^0-ox^post12 == 0 /\ -oy^post12+oy^0 == 0), cost: 1 13: l8 -> l7 : c^0'=c^post13, oy^0'=oy^post13, y^0'=y^post13, ox^0'=ox^post13, x^0'=x^post13, (-x^post13+x^0 == 0 /\ oy^0-oy^post13 == 0 /\ -ox^post13+ox^0 == 0 /\ c^0-c^post13 == 0 /\ y^0-y^post13 == 0), cost: 1 Applied preprocessing Original rule: l2 -> l3 : c^0'=c^post4, oy^0'=oy^post4, y^0'=y^post4, ox^0'=ox^post4, x^0'=x^post4, (x^post4-x^0 == 0 /\ -y^post4+y^0 == 0 /\ -ox^post4+ox^0 == 0 /\ c^0-c^post4 == 0 /\ oy^0-oy^post4 == 0), cost: 1 New rule: l2 -> l3 : TRUE, cost: 1 Applied preprocessing Original rule: l4 -> l3 : c^0'=c^post5, oy^0'=oy^post5, y^0'=y^post5, ox^0'=ox^post5, x^0'=x^post5, (c^0 <= 0 /\ -x^post5+x^0 == 0 /\ y^0-y^post5 == 0 /\ c^0-c^post5 == 0 /\ -ox^post5+ox^0 == 0 /\ oy^0-oy^post5 == 0), cost: 1 New rule: l4 -> l3 : c^0 <= 0, cost: 1 Applied preprocessing Original rule: l4 -> l3 : c^0'=c^post6, oy^0'=oy^post6, y^0'=y^post6, ox^0'=ox^post6, x^0'=x^post6, (-1+c^post6 == 0 /\ ox^post6-x^0 == 0 /\ x^0-x^post6 == 0 /\ -y^post6+y^0 == 0 /\ -y^0+oy^post6 == 0), cost: 1 New rule: l4 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=x^0, TRUE, cost: 1 Applied preprocessing Original rule: l5 -> l4 : c^0'=c^post7, oy^0'=oy^post7, y^0'=y^post7, ox^0'=ox^post7, x^0'=x^post7, (c^0 <= 0 /\ -ox^post7+ox^0 == 0 /\ oy^0-oy^post7 == 0 /\ c^0-c^post7 == 0 /\ y^0-y^post7 == 0 /\ -x^post7+x^0 == 0), cost: 1 New rule: l5 -> l4 : c^0 <= 0, cost: 1 Applied preprocessing Original rule: l5 -> l2 : c^0'=c^post8, oy^0'=oy^post8, y^0'=y^post8, ox^0'=ox^post8, x^0'=x^post8, (-x^post8+x^0 == 0 /\ 1-c^0 <= 0 /\ c^0-c^post8 == 0 /\ -ox^post8+ox^0 == 0 /\ oy^0-oy^post8 == 0 /\ -y^post8+y^0 == 0), cost: 1 New rule: l5 -> l2 : -1+c^0 >= 0, cost: 1 Applied preprocessing Original rule: l6 -> l5 : c^0'=c^post9, oy^0'=oy^post9, y^0'=y^post9, ox^0'=ox^post9, x^0'=x^post9, (1-y^0+y^post9 == 0 /\ -x^post9+x^0 == 0 /\ -ox^post9+ox^0 == 0 /\ c^0-c^post9 == 0 /\ oy^0-oy^post9 == 0), cost: 1 New rule: l6 -> l5 : y^0'=-1+y^0, TRUE, cost: 1 Applied preprocessing Original rule: l6 -> l5 : c^0'=c^post10, oy^0'=oy^post10, y^0'=y^post10, ox^0'=ox^post10, x^0'=x^post10, (-y^post10+y^0 == 0 /\ 1-x^0+x^post10 == 0 /\ -ox^post10+ox^0 == 0 /\ c^0-c^post10 == 0 /\ oy^0-oy^post10 == 0), cost: 1 New rule: l6 -> l5 : x^0'=-1+x^0, TRUE, cost: 1 Applied preprocessing Original rule: l3 -> l6 : c^0'=c^post11, oy^0'=oy^post11, y^0'=y^post11, ox^0'=ox^post11, x^0'=x^post11, (y^0-y^post11 == 0 /\ -x^post11+x^0 == 0 /\ c^0-c^post11 == 0 /\ 1-y^0 <= 0 /\ oy^0-oy^post11 == 0 /\ 1-x^0 <= 0 /\ -ox^post11+ox^0 == 0), cost: 1 New rule: l3 -> l6 : (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 1 Applied preprocessing Original rule: l7 -> l3 : c^0'=c^post12, oy^0'=oy^post12, y^0'=y^post12, ox^0'=ox^post12, x^0'=x^post12, (c^0 <= 0 /\ -y^post12+y^0 == 0 /\ x^0-x^post12 == 0 /\ c^0-c^post12 == 0 /\ ox^0-ox^post12 == 0 /\ -oy^post12+oy^0 == 0), cost: 1 New rule: l7 -> l3 : c^0 <= 0, cost: 1 Applied preprocessing Original rule: l8 -> l7 : c^0'=c^post13, oy^0'=oy^post13, y^0'=y^post13, ox^0'=ox^post13, x^0'=x^post13, (-x^post13+x^0 == 0 /\ oy^0-oy^post13 == 0 /\ -ox^post13+ox^0 == 0 /\ c^0-c^post13 == 0 /\ y^0-y^post13 == 0), cost: 1 New rule: l8 -> l7 : TRUE, cost: 1 Simplified rules Start location: l8 14: l2 -> l3 : TRUE, cost: 1 21: l3 -> l6 : (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 1 15: l4 -> l3 : c^0 <= 0, cost: 1 16: l4 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=x^0, TRUE, cost: 1 17: l5 -> l4 : c^0 <= 0, cost: 1 18: l5 -> l2 : -1+c^0 >= 0, cost: 1 19: l6 -> l5 : y^0'=-1+y^0, TRUE, cost: 1 20: l6 -> l5 : x^0'=-1+x^0, TRUE, cost: 1 22: l7 -> l3 : c^0 <= 0, cost: 1 23: l8 -> l7 : TRUE, cost: 1 Eliminating location l7 by chaining: Applied chaining First rule: l8 -> l7 : TRUE, cost: 1 Second rule: l7 -> l3 : c^0 <= 0, cost: 1 New rule: l8 -> l3 : c^0 <= 0, cost: 2 Applied deletion Removed the following rules: 22 23 Eliminating location l2 by chaining: Applied chaining First rule: l5 -> l2 : -1+c^0 >= 0, cost: 1 Second rule: l2 -> l3 : TRUE, cost: 1 New rule: l5 -> l3 : -1+c^0 >= 0, cost: 2 Applied deletion Removed the following rules: 14 18 Eliminated locations on linear paths Start location: l8 21: l3 -> l6 : (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 1 15: l4 -> l3 : c^0 <= 0, cost: 1 16: l4 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=x^0, TRUE, cost: 1 17: l5 -> l4 : c^0 <= 0, cost: 1 25: l5 -> l3 : -1+c^0 >= 0, cost: 2 19: l6 -> l5 : y^0'=-1+y^0, TRUE, cost: 1 20: l6 -> l5 : x^0'=-1+x^0, TRUE, cost: 1 24: l8 -> l3 : c^0 <= 0, cost: 2 Eliminating location l6 by chaining: Applied chaining First rule: l3 -> l6 : (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 1 Second rule: l6 -> l5 : y^0'=-1+y^0, TRUE, cost: 1 New rule: l3 -> l5 : y^0'=-1+y^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2 Applied chaining First rule: l3 -> l6 : (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 1 Second rule: l6 -> l5 : x^0'=-1+x^0, TRUE, cost: 1 New rule: l3 -> l5 : x^0'=-1+x^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2 Applied deletion Removed the following rules: 19 20 21 Eliminating location l4 by chaining: Applied chaining First rule: l5 -> l4 : c^0 <= 0, cost: 1 Second rule: l4 -> l3 : c^0 <= 0, cost: 1 New rule: l5 -> l3 : c^0 <= 0, cost: 2 Applied chaining First rule: l5 -> l4 : c^0 <= 0, cost: 1 Second rule: l4 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=x^0, TRUE, cost: 1 New rule: l5 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=x^0, c^0 <= 0, cost: 2 Applied deletion Removed the following rules: 15 16 17 Eliminated locations on tree-shaped paths Start location: l8 26: l3 -> l5 : y^0'=-1+y^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2 27: l3 -> l5 : x^0'=-1+x^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2 25: l5 -> l3 : -1+c^0 >= 0, cost: 2 28: l5 -> l3 : c^0 <= 0, cost: 2 29: l5 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=x^0, c^0 <= 0, cost: 2 24: l8 -> l3 : c^0 <= 0, cost: 2 Eliminating location l5 by chaining: Applied chaining First rule: l3 -> l5 : y^0'=-1+y^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2 Second rule: l5 -> l3 : -1+c^0 >= 0, cost: 2 New rule: l3 -> l3 : y^0'=-1+y^0, (-1+c^0 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 Applied chaining First rule: l3 -> l5 : y^0'=-1+y^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2 Second rule: l5 -> l3 : c^0 <= 0, cost: 2 New rule: l3 -> l3 : y^0'=-1+y^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 Applied chaining First rule: l3 -> l5 : y^0'=-1+y^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2 Second rule: l5 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=x^0, c^0 <= 0, cost: 2 New rule: l3 -> l3 : c^0'=1, oy^0'=-1+y^0, y^0'=-1+y^0, ox^0'=x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 Applied chaining First rule: l3 -> l5 : x^0'=-1+x^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2 Second rule: l5 -> l3 : -1+c^0 >= 0, cost: 2 New rule: l3 -> l3 : x^0'=-1+x^0, (-1+c^0 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 Applied chaining First rule: l3 -> l5 : x^0'=-1+x^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2 Second rule: l5 -> l3 : c^0 <= 0, cost: 2 New rule: l3 -> l3 : x^0'=-1+x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 Applied chaining First rule: l3 -> l5 : x^0'=-1+x^0, (-1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 2 Second rule: l5 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=x^0, c^0 <= 0, cost: 2 New rule: l3 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=-1+x^0, x^0'=-1+x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 Applied deletion Removed the following rules: 25 26 27 28 29 Eliminated locations on tree-shaped paths Start location: l8 30: l3 -> l3 : y^0'=-1+y^0, (-1+c^0 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 31: l3 -> l3 : y^0'=-1+y^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 32: l3 -> l3 : c^0'=1, oy^0'=-1+y^0, y^0'=-1+y^0, ox^0'=x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 33: l3 -> l3 : x^0'=-1+x^0, (-1+c^0 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 34: l3 -> l3 : x^0'=-1+x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 35: l3 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=-1+x^0, x^0'=-1+x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 24: l8 -> l3 : c^0 <= 0, cost: 2 Applied acceleration Original rule: l3 -> l3 : y^0'=-1+y^0, (-1+c^0 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 New rule: l3 -> l3 : y^0'=y^0-n5, (-1+c^0 >= 0 /\ y^0-n5 >= 0 /\ n5 >= 0 /\ -1+x^0 >= 0), cost: 4*n5 Applied instantiation Original rule: l3 -> l3 : y^0'=y^0-n5, (-1+c^0 >= 0 /\ y^0-n5 >= 0 /\ n5 >= 0 /\ -1+x^0 >= 0), cost: 4*n5 New rule: l3 -> l3 : y^0'=0, (0 >= 0 /\ -1+c^0 >= 0 /\ y^0 >= 0 /\ -1+x^0 >= 0), cost: 4*y^0 Applied acceleration Original rule: l3 -> l3 : y^0'=-1+y^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 New rule: l3 -> l3 : y^0'=y^0-n7, (-c^0 >= 0 /\ y^0-n7 >= 0 /\ n7 >= 0 /\ -1+x^0 >= 0), cost: 4*n7 Applied instantiation Original rule: l3 -> l3 : y^0'=y^0-n7, (-c^0 >= 0 /\ y^0-n7 >= 0 /\ n7 >= 0 /\ -1+x^0 >= 0), cost: 4*n7 New rule: l3 -> l3 : y^0'=0, (0 >= 0 /\ -c^0 >= 0 /\ y^0 >= 0 /\ -1+x^0 >= 0), cost: 4*y^0 Applied acceleration Original rule: l3 -> l3 : x^0'=-1+x^0, (-1+c^0 >= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 New rule: l3 -> l3 : x^0'=x^0-n10, (x^0-n10 >= 0 /\ -1+c^0 >= 0 /\ -1+y^0 >= 0 /\ n10 >= 0), cost: 4*n10 Applied instantiation Original rule: l3 -> l3 : x^0'=x^0-n10, (x^0-n10 >= 0 /\ -1+c^0 >= 0 /\ -1+y^0 >= 0 /\ n10 >= 0), cost: 4*n10 New rule: l3 -> l3 : x^0'=0, (0 >= 0 /\ -1+c^0 >= 0 /\ -1+y^0 >= 0 /\ x^0 >= 0), cost: 4*x^0 Applied acceleration Original rule: l3 -> l3 : x^0'=-1+x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 New rule: l3 -> l3 : x^0'=x^0-n12, (x^0-n12 >= 0 /\ -c^0 >= 0 /\ -1+y^0 >= 0 /\ n12 >= 0), cost: 4*n12 Applied instantiation Original rule: l3 -> l3 : x^0'=x^0-n12, (x^0-n12 >= 0 /\ -c^0 >= 0 /\ -1+y^0 >= 0 /\ n12 >= 0), cost: 4*n12 New rule: l3 -> l3 : x^0'=0, (0 >= 0 /\ -c^0 >= 0 /\ -1+y^0 >= 0 /\ x^0 >= 0), cost: 4*x^0 Applied simplification Original rule: l3 -> l3 : y^0'=0, (0 >= 0 /\ -1+c^0 >= 0 /\ y^0 >= 0 /\ -1+x^0 >= 0), cost: 4*y^0 New rule: l3 -> l3 : y^0'=0, (-1+c^0 >= 0 /\ y^0 >= 0 /\ -1+x^0 >= 0), cost: 4*y^0 Applied simplification Original rule: l3 -> l3 : y^0'=0, (0 >= 0 /\ -c^0 >= 0 /\ y^0 >= 0 /\ -1+x^0 >= 0), cost: 4*y^0 New rule: l3 -> l3 : y^0'=0, (c^0 <= 0 /\ y^0 >= 0 /\ -1+x^0 >= 0), cost: 4*y^0 Applied simplification Original rule: l3 -> l3 : x^0'=0, (0 >= 0 /\ -1+c^0 >= 0 /\ -1+y^0 >= 0 /\ x^0 >= 0), cost: 4*x^0 New rule: l3 -> l3 : x^0'=0, (-1+c^0 >= 0 /\ -1+y^0 >= 0 /\ x^0 >= 0), cost: 4*x^0 Applied simplification Original rule: l3 -> l3 : x^0'=0, (0 >= 0 /\ -c^0 >= 0 /\ -1+y^0 >= 0 /\ x^0 >= 0), cost: 4*x^0 New rule: l3 -> l3 : x^0'=0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ x^0 >= 0), cost: 4*x^0 Applied deletion Removed the following rules: 30 31 33 34 Accelerated simple loops Start location: l8 32: l3 -> l3 : c^0'=1, oy^0'=-1+y^0, y^0'=-1+y^0, ox^0'=x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 35: l3 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=-1+x^0, x^0'=-1+x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 40: l3 -> l3 : y^0'=0, (-1+c^0 >= 0 /\ y^0 >= 0 /\ -1+x^0 >= 0), cost: 4*y^0 41: l3 -> l3 : y^0'=0, (c^0 <= 0 /\ y^0 >= 0 /\ -1+x^0 >= 0), cost: 4*y^0 42: l3 -> l3 : x^0'=0, (-1+c^0 >= 0 /\ -1+y^0 >= 0 /\ x^0 >= 0), cost: 4*x^0 43: l3 -> l3 : x^0'=0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ x^0 >= 0), cost: 4*x^0 24: l8 -> l3 : c^0 <= 0, cost: 2 Applied chaining First rule: l8 -> l3 : c^0 <= 0, cost: 2 Second rule: l3 -> l3 : c^0'=1, oy^0'=-1+y^0, y^0'=-1+y^0, ox^0'=x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 New rule: l8 -> l3 : c^0'=1, oy^0'=-1+y^0, y^0'=-1+y^0, ox^0'=x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 6 Applied chaining First rule: l8 -> l3 : c^0 <= 0, cost: 2 Second rule: l3 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=-1+x^0, x^0'=-1+x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 4 New rule: l8 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=-1+x^0, x^0'=-1+x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 6 Applied chaining First rule: l8 -> l3 : c^0 <= 0, cost: 2 Second rule: l3 -> l3 : y^0'=0, (c^0 <= 0 /\ y^0 >= 0 /\ -1+x^0 >= 0), cost: 4*y^0 New rule: l8 -> l3 : y^0'=0, (c^0 <= 0 /\ y^0 >= 0 /\ -1+x^0 >= 0), cost: 2+4*y^0 Applied chaining First rule: l8 -> l3 : c^0 <= 0, cost: 2 Second rule: l3 -> l3 : x^0'=0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ x^0 >= 0), cost: 4*x^0 New rule: l8 -> l3 : x^0'=0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ x^0 >= 0), cost: 2+4*x^0 Applied deletion Removed the following rules: 32 35 40 41 42 43 Chained accelerated rules with incoming rules Start location: l8 24: l8 -> l3 : c^0 <= 0, cost: 2 44: l8 -> l3 : c^0'=1, oy^0'=-1+y^0, y^0'=-1+y^0, ox^0'=x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 6 45: l8 -> l3 : c^0'=1, oy^0'=y^0, ox^0'=-1+x^0, x^0'=-1+x^0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ -1+x^0 >= 0), cost: 6 46: l8 -> l3 : y^0'=0, (c^0 <= 0 /\ y^0 >= 0 /\ -1+x^0 >= 0), cost: 2+4*y^0 47: l8 -> l3 : x^0'=0, (c^0 <= 0 /\ -1+y^0 >= 0 /\ x^0 >= 0), cost: 2+4*x^0 Removed unreachable locations and irrelevant leafs Start location: l8 Computing asymptotic complexity Proved the following lower bound Complexity: Unknown Cpx degree: ? Solved cost: 0 Rule cost: 0