WORST_CASE(Omega(0),?) Initial ITS Start location: l5 0: l0 -> l1 : Result_4^0'=Result_4^post0, __const_31^0'=__const_31^post0, y_6^0'=y_6^post0, __const_21^0'=__const_21^post0, x_5^0'=x_5^post0, (0 == 0 /\ 1-__const_21^0+x_5^0 <= 0 /\ y_6^0-y_6^post0 == 0 /\ -x_5^post0+x_5^0 == 0 /\ -__const_21^post0+__const_21^0 == 0 /\ __const_31^0-__const_31^post0 == 0), cost: 1 1: l0 -> l2 : Result_4^0'=Result_4^post1, __const_31^0'=__const_31^post1, y_6^0'=y_6^post1, __const_21^0'=__const_21^post1, x_5^0'=x_5^post1, (__const_21^0-x_5^0 <= 0 /\ -y_6^post1+y_6^0 == 0 /\ Result_4^0-Result_4^post1 == 0 /\ __const_21^0-__const_21^post1 == 0 /\ -x_5^post1+x_5^0 == 0 /\ -__const_31^post1+__const_31^0 == 0), cost: 1 3: l2 -> l0 : Result_4^0'=Result_4^post3, __const_31^0'=__const_31^post3, y_6^0'=y_6^post3, __const_21^0'=__const_21^post3, x_5^0'=x_5^post3, (1+x_5^post3-x_5^0 == 0 /\ y_6^0-y_6^post3 == 0 /\ __const_21^0-__const_21^post3 == 0 /\ __const_31^0-__const_31^post3 == 0 /\ 1-__const_31^0+y_6^0 <= 0 /\ Result_4^0-Result_4^post3 == 0), cost: 1 4: l2 -> l4 : Result_4^0'=Result_4^post4, __const_31^0'=__const_31^post4, y_6^0'=y_6^post4, __const_21^0'=__const_21^post4, x_5^0'=x_5^post4, (-x_5^post4+x_5^0 == 0 /\ -__const_21^post4+__const_21^0 == 0 /\ Result_4^0-Result_4^post4 == 0 /\ __const_31^0-__const_31^post4 == 0 /\ 1+y_6^post4-y_6^0 == 0 /\ __const_31^0-y_6^0 <= 0), cost: 1 2: l3 -> l0 : Result_4^0'=Result_4^post2, __const_31^0'=__const_31^post2, y_6^0'=y_6^post2, __const_21^0'=__const_21^post2, x_5^0'=x_5^post2, (Result_4^0-Result_4^post2 == 0 /\ -__const_21^post2+__const_21^0 == 0 /\ -y_6^post2+y_6^0 == 0 /\ __const_31^0-__const_31^post2 == 0 /\ -x_5^post2+x_5^0 == 0), cost: 1 5: l4 -> l2 : Result_4^0'=Result_4^post5, __const_31^0'=__const_31^post5, y_6^0'=y_6^post5, __const_21^0'=__const_21^post5, x_5^0'=x_5^post5, (-x_5^post5+x_5^0 == 0 /\ y_6^0-y_6^post5 == 0 /\ Result_4^0-Result_4^post5 == 0 /\ -__const_21^post5+__const_21^0 == 0 /\ __const_31^0-__const_31^post5 == 0), cost: 1 6: l5 -> l3 : Result_4^0'=Result_4^post6, __const_31^0'=__const_31^post6, y_6^0'=y_6^post6, __const_21^0'=__const_21^post6, x_5^0'=x_5^post6, (x_5^0-x_5^post6 == 0 /\ -y_6^post6+y_6^0 == 0 /\ Result_4^0-Result_4^post6 == 0 /\ __const_31^0-__const_31^post6 == 0 /\ -__const_21^post6+__const_21^0 == 0), cost: 1 Removed unreachable rules and leafs Start location: l5 1: l0 -> l2 : Result_4^0'=Result_4^post1, __const_31^0'=__const_31^post1, y_6^0'=y_6^post1, __const_21^0'=__const_21^post1, x_5^0'=x_5^post1, (__const_21^0-x_5^0 <= 0 /\ -y_6^post1+y_6^0 == 0 /\ Result_4^0-Result_4^post1 == 0 /\ __const_21^0-__const_21^post1 == 0 /\ -x_5^post1+x_5^0 == 0 /\ -__const_31^post1+__const_31^0 == 0), cost: 1 3: l2 -> l0 : Result_4^0'=Result_4^post3, __const_31^0'=__const_31^post3, y_6^0'=y_6^post3, __const_21^0'=__const_21^post3, x_5^0'=x_5^post3, (1+x_5^post3-x_5^0 == 0 /\ y_6^0-y_6^post3 == 0 /\ __const_21^0-__const_21^post3 == 0 /\ __const_31^0-__const_31^post3 == 0 /\ 1-__const_31^0+y_6^0 <= 0 /\ Result_4^0-Result_4^post3 == 0), cost: 1 4: l2 -> l4 : Result_4^0'=Result_4^post4, __const_31^0'=__const_31^post4, y_6^0'=y_6^post4, __const_21^0'=__const_21^post4, x_5^0'=x_5^post4, (-x_5^post4+x_5^0 == 0 /\ -__const_21^post4+__const_21^0 == 0 /\ Result_4^0-Result_4^post4 == 0 /\ __const_31^0-__const_31^post4 == 0 /\ 1+y_6^post4-y_6^0 == 0 /\ __const_31^0-y_6^0 <= 0), cost: 1 2: l3 -> l0 : Result_4^0'=Result_4^post2, __const_31^0'=__const_31^post2, y_6^0'=y_6^post2, __const_21^0'=__const_21^post2, x_5^0'=x_5^post2, (Result_4^0-Result_4^post2 == 0 /\ -__const_21^post2+__const_21^0 == 0 /\ -y_6^post2+y_6^0 == 0 /\ __const_31^0-__const_31^post2 == 0 /\ -x_5^post2+x_5^0 == 0), cost: 1 5: l4 -> l2 : Result_4^0'=Result_4^post5, __const_31^0'=__const_31^post5, y_6^0'=y_6^post5, __const_21^0'=__const_21^post5, x_5^0'=x_5^post5, (-x_5^post5+x_5^0 == 0 /\ y_6^0-y_6^post5 == 0 /\ Result_4^0-Result_4^post5 == 0 /\ -__const_21^post5+__const_21^0 == 0 /\ __const_31^0-__const_31^post5 == 0), cost: 1 6: l5 -> l3 : Result_4^0'=Result_4^post6, __const_31^0'=__const_31^post6, y_6^0'=y_6^post6, __const_21^0'=__const_21^post6, x_5^0'=x_5^post6, (x_5^0-x_5^post6 == 0 /\ -y_6^post6+y_6^0 == 0 /\ Result_4^0-Result_4^post6 == 0 /\ __const_31^0-__const_31^post6 == 0 /\ -__const_21^post6+__const_21^0 == 0), cost: 1 Applied preprocessing Original rule: l0 -> l2 : Result_4^0'=Result_4^post1, __const_31^0'=__const_31^post1, y_6^0'=y_6^post1, __const_21^0'=__const_21^post1, x_5^0'=x_5^post1, (__const_21^0-x_5^0 <= 0 /\ -y_6^post1+y_6^0 == 0 /\ Result_4^0-Result_4^post1 == 0 /\ __const_21^0-__const_21^post1 == 0 /\ -x_5^post1+x_5^0 == 0 /\ -__const_31^post1+__const_31^0 == 0), cost: 1 New rule: l0 -> l2 : __const_21^0-x_5^0 <= 0, cost: 1 Applied preprocessing Original rule: l3 -> l0 : Result_4^0'=Result_4^post2, __const_31^0'=__const_31^post2, y_6^0'=y_6^post2, __const_21^0'=__const_21^post2, x_5^0'=x_5^post2, (Result_4^0-Result_4^post2 == 0 /\ -__const_21^post2+__const_21^0 == 0 /\ -y_6^post2+y_6^0 == 0 /\ __const_31^0-__const_31^post2 == 0 /\ -x_5^post2+x_5^0 == 0), cost: 1 New rule: l3 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l2 -> l0 : Result_4^0'=Result_4^post3, __const_31^0'=__const_31^post3, y_6^0'=y_6^post3, __const_21^0'=__const_21^post3, x_5^0'=x_5^post3, (1+x_5^post3-x_5^0 == 0 /\ y_6^0-y_6^post3 == 0 /\ __const_21^0-__const_21^post3 == 0 /\ __const_31^0-__const_31^post3 == 0 /\ 1-__const_31^0+y_6^0 <= 0 /\ Result_4^0-Result_4^post3 == 0), cost: 1 New rule: l2 -> l0 : x_5^0'=-1+x_5^0, 1-__const_31^0+y_6^0 <= 0, cost: 1 Applied preprocessing Original rule: l2 -> l4 : Result_4^0'=Result_4^post4, __const_31^0'=__const_31^post4, y_6^0'=y_6^post4, __const_21^0'=__const_21^post4, x_5^0'=x_5^post4, (-x_5^post4+x_5^0 == 0 /\ -__const_21^post4+__const_21^0 == 0 /\ Result_4^0-Result_4^post4 == 0 /\ __const_31^0-__const_31^post4 == 0 /\ 1+y_6^post4-y_6^0 == 0 /\ __const_31^0-y_6^0 <= 0), cost: 1 New rule: l2 -> l4 : y_6^0'=-1+y_6^0, __const_31^0-y_6^0 <= 0, cost: 1 Applied preprocessing Original rule: l4 -> l2 : Result_4^0'=Result_4^post5, __const_31^0'=__const_31^post5, y_6^0'=y_6^post5, __const_21^0'=__const_21^post5, x_5^0'=x_5^post5, (-x_5^post5+x_5^0 == 0 /\ y_6^0-y_6^post5 == 0 /\ Result_4^0-Result_4^post5 == 0 /\ -__const_21^post5+__const_21^0 == 0 /\ __const_31^0-__const_31^post5 == 0), cost: 1 New rule: l4 -> l2 : TRUE, cost: 1 Applied preprocessing Original rule: l5 -> l3 : Result_4^0'=Result_4^post6, __const_31^0'=__const_31^post6, y_6^0'=y_6^post6, __const_21^0'=__const_21^post6, x_5^0'=x_5^post6, (x_5^0-x_5^post6 == 0 /\ -y_6^post6+y_6^0 == 0 /\ Result_4^0-Result_4^post6 == 0 /\ __const_31^0-__const_31^post6 == 0 /\ -__const_21^post6+__const_21^0 == 0), cost: 1 New rule: l5 -> l3 : TRUE, cost: 1 Simplified rules Start location: l5 7: l0 -> l2 : __const_21^0-x_5^0 <= 0, cost: 1 9: l2 -> l0 : x_5^0'=-1+x_5^0, 1-__const_31^0+y_6^0 <= 0, cost: 1 10: l2 -> l4 : y_6^0'=-1+y_6^0, __const_31^0-y_6^0 <= 0, cost: 1 8: l3 -> l0 : TRUE, cost: 1 11: l4 -> l2 : TRUE, cost: 1 12: l5 -> l3 : TRUE, cost: 1 Eliminating location l3 by chaining: Applied chaining First rule: l5 -> l3 : TRUE, cost: 1 Second rule: l3 -> l0 : TRUE, cost: 1 New rule: l5 -> l0 : TRUE, cost: 2 Applied deletion Removed the following rules: 8 12 Eliminating location l4 by chaining: Applied chaining First rule: l2 -> l4 : y_6^0'=-1+y_6^0, __const_31^0-y_6^0 <= 0, cost: 1 Second rule: l4 -> l2 : TRUE, cost: 1 New rule: l2 -> l2 : y_6^0'=-1+y_6^0, __const_31^0-y_6^0 <= 0, cost: 2 Applied deletion Removed the following rules: 10 11 Eliminated locations on linear paths Start location: l5 7: l0 -> l2 : __const_21^0-x_5^0 <= 0, cost: 1 9: l2 -> l0 : x_5^0'=-1+x_5^0, 1-__const_31^0+y_6^0 <= 0, cost: 1 14: l2 -> l2 : y_6^0'=-1+y_6^0, __const_31^0-y_6^0 <= 0, cost: 2 13: l5 -> l0 : TRUE, cost: 2 Applied acceleration Original rule: l2 -> l2 : y_6^0'=-1+y_6^0, __const_31^0-y_6^0 <= 0, cost: 2 New rule: l2 -> l2 : y_6^0'=y_6^0-n0, (1-__const_31^0+y_6^0-n0 >= 0 /\ n0 >= 0), cost: 2*n0 Applied instantiation Original rule: l2 -> l2 : y_6^0'=y_6^0-n0, (1-__const_31^0+y_6^0-n0 >= 0 /\ n0 >= 0), cost: 2*n0 New rule: l2 -> l2 : y_6^0'=-1+__const_31^0, (0 >= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 2-2*__const_31^0+2*y_6^0 Applied simplification Original rule: l2 -> l2 : y_6^0'=-1+__const_31^0, (0 >= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 2-2*__const_31^0+2*y_6^0 New rule: l2 -> l2 : y_6^0'=-1+__const_31^0, 1-__const_31^0+y_6^0 >= 0, cost: 2-2*__const_31^0+2*y_6^0 Applied deletion Removed the following rules: 14 Accelerated simple loops Start location: l5 7: l0 -> l2 : __const_21^0-x_5^0 <= 0, cost: 1 9: l2 -> l0 : x_5^0'=-1+x_5^0, 1-__const_31^0+y_6^0 <= 0, cost: 1 16: l2 -> l2 : y_6^0'=-1+__const_31^0, 1-__const_31^0+y_6^0 >= 0, cost: 2-2*__const_31^0+2*y_6^0 13: l5 -> l0 : TRUE, cost: 2 Applied chaining First rule: l0 -> l2 : __const_21^0-x_5^0 <= 0, cost: 1 Second rule: l2 -> l2 : y_6^0'=-1+__const_31^0, 1-__const_31^0+y_6^0 >= 0, cost: 2-2*__const_31^0+2*y_6^0 New rule: l0 -> l2 : y_6^0'=-1+__const_31^0, (__const_21^0-x_5^0 <= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 3-2*__const_31^0+2*y_6^0 Applied deletion Removed the following rules: 16 Chained accelerated rules with incoming rules Start location: l5 7: l0 -> l2 : __const_21^0-x_5^0 <= 0, cost: 1 17: l0 -> l2 : y_6^0'=-1+__const_31^0, (__const_21^0-x_5^0 <= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 3-2*__const_31^0+2*y_6^0 9: l2 -> l0 : x_5^0'=-1+x_5^0, 1-__const_31^0+y_6^0 <= 0, cost: 1 13: l5 -> l0 : TRUE, cost: 2 Eliminating location l2 by chaining: Applied chaining First rule: l0 -> l2 : __const_21^0-x_5^0 <= 0, cost: 1 Second rule: l2 -> l0 : x_5^0'=-1+x_5^0, 1-__const_31^0+y_6^0 <= 0, cost: 1 New rule: l0 -> l0 : x_5^0'=-1+x_5^0, (__const_21^0-x_5^0 <= 0 /\ 1-__const_31^0+y_6^0 <= 0), cost: 2 Applied chaining First rule: l0 -> l2 : y_6^0'=-1+__const_31^0, (__const_21^0-x_5^0 <= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 3-2*__const_31^0+2*y_6^0 Second rule: l2 -> l0 : x_5^0'=-1+x_5^0, 1-__const_31^0+y_6^0 <= 0, cost: 1 New rule: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+x_5^0, (0 <= 0 /\ __const_21^0-x_5^0 <= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 4-2*__const_31^0+2*y_6^0 Applied simplification Original rule: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+x_5^0, (0 <= 0 /\ __const_21^0-x_5^0 <= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 4-2*__const_31^0+2*y_6^0 New rule: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+x_5^0, (__const_21^0-x_5^0 <= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 4-2*__const_31^0+2*y_6^0 Applied deletion Removed the following rules: 7 9 17 Eliminated locations on tree-shaped paths Start location: l5 18: l0 -> l0 : x_5^0'=-1+x_5^0, (__const_21^0-x_5^0 <= 0 /\ 1-__const_31^0+y_6^0 <= 0), cost: 2 19: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+x_5^0, (__const_21^0-x_5^0 <= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 4-2*__const_31^0+2*y_6^0 13: l5 -> l0 : TRUE, cost: 2 Applied acceleration Original rule: l0 -> l0 : x_5^0'=-1+x_5^0, (__const_21^0-x_5^0 <= 0 /\ 1-__const_31^0+y_6^0 <= 0), cost: 2 New rule: l0 -> l0 : x_5^0'=-n4+x_5^0, (-1+__const_31^0-y_6^0 >= 0 /\ 1-n4-__const_21^0+x_5^0 >= 0 /\ n4 >= 0), cost: 2*n4 Applied instantiation Original rule: l0 -> l0 : x_5^0'=-n4+x_5^0, (-1+__const_31^0-y_6^0 >= 0 /\ 1-n4-__const_21^0+x_5^0 >= 0 /\ n4 >= 0), cost: 2*n4 New rule: l0 -> l0 : x_5^0'=-1+__const_21^0, (0 >= 0 /\ -1+__const_31^0-y_6^0 >= 0 /\ 1-__const_21^0+x_5^0 >= 0), cost: 2-2*__const_21^0+2*x_5^0 Applied acceleration Original rule: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+x_5^0, (__const_21^0-x_5^0 <= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 4-2*__const_31^0+2*y_6^0 New rule: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-n6+x_5^0, (1-n6-__const_21^0+x_5^0 >= 0 /\ -1+n6 >= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 2*n6 Applied instantiation Original rule: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-n6+x_5^0, (1-n6-__const_21^0+x_5^0 >= 0 /\ -1+n6 >= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 2*n6 New rule: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+__const_21^0, (0 >= 0 /\ -__const_21^0+x_5^0 >= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 2-2*__const_21^0+2*x_5^0 Applied simplification Original rule: l0 -> l0 : x_5^0'=-1+__const_21^0, (0 >= 0 /\ -1+__const_31^0-y_6^0 >= 0 /\ 1-__const_21^0+x_5^0 >= 0), cost: 2-2*__const_21^0+2*x_5^0 New rule: l0 -> l0 : x_5^0'=-1+__const_21^0, (-1+__const_31^0-y_6^0 >= 0 /\ 1-__const_21^0+x_5^0 >= 0), cost: 2-2*__const_21^0+2*x_5^0 Applied simplification Original rule: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+__const_21^0, (0 >= 0 /\ -__const_21^0+x_5^0 >= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 2-2*__const_21^0+2*x_5^0 New rule: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+__const_21^0, (-__const_21^0+x_5^0 >= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 2-2*__const_21^0+2*x_5^0 Applied deletion Removed the following rules: 18 19 Accelerated simple loops Start location: l5 22: l0 -> l0 : x_5^0'=-1+__const_21^0, (-1+__const_31^0-y_6^0 >= 0 /\ 1-__const_21^0+x_5^0 >= 0), cost: 2-2*__const_21^0+2*x_5^0 23: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+__const_21^0, (-__const_21^0+x_5^0 >= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 2-2*__const_21^0+2*x_5^0 13: l5 -> l0 : TRUE, cost: 2 Applied chaining First rule: l5 -> l0 : TRUE, cost: 2 Second rule: l0 -> l0 : x_5^0'=-1+__const_21^0, (-1+__const_31^0-y_6^0 >= 0 /\ 1-__const_21^0+x_5^0 >= 0), cost: 2-2*__const_21^0+2*x_5^0 New rule: l5 -> l0 : x_5^0'=-1+__const_21^0, (-1+__const_31^0-y_6^0 >= 0 /\ 1-__const_21^0+x_5^0 >= 0), cost: 4-2*__const_21^0+2*x_5^0 Applied chaining First rule: l5 -> l0 : TRUE, cost: 2 Second rule: l0 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+__const_21^0, (-__const_21^0+x_5^0 >= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 2-2*__const_21^0+2*x_5^0 New rule: l5 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+__const_21^0, (-__const_21^0+x_5^0 >= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 4-2*__const_21^0+2*x_5^0 Applied deletion Removed the following rules: 22 23 Chained accelerated rules with incoming rules Start location: l5 13: l5 -> l0 : TRUE, cost: 2 24: l5 -> l0 : x_5^0'=-1+__const_21^0, (-1+__const_31^0-y_6^0 >= 0 /\ 1-__const_21^0+x_5^0 >= 0), cost: 4-2*__const_21^0+2*x_5^0 25: l5 -> l0 : y_6^0'=-1+__const_31^0, x_5^0'=-1+__const_21^0, (-__const_21^0+x_5^0 >= 0 /\ 1-__const_31^0+y_6^0 >= 0), cost: 4-2*__const_21^0+2*x_5^0 Removed unreachable locations and irrelevant leafs Start location: l5 Computing asymptotic complexity Proved the following lower bound Complexity: Unknown Cpx degree: ? Solved cost: 0 Rule cost: 0