WORST_CASE(Omega(0),?) Initial ITS Start location: l7 0: l0 -> l1 : Result^0'=Result^post0, __disjvr_0^0'=__disjvr_0^post0, y^0'=y^post0, __const_99^0'=__const_99^post0, x^0'=x^post0, (0 == 0 /\ y^0-y^post0 == 0 /\ -x^post0+x^0 == 0 /\ -__const_99^post0+__const_99^0 == 0 /\ __disjvr_0^0-__disjvr_0^post0 == 0 /\ -x^0 <= 0), cost: 1 1: l0 -> l3 : Result^0'=Result^post1, __disjvr_0^0'=__disjvr_0^post1, y^0'=y^post1, __const_99^0'=__const_99^post1, x^0'=x^post1, (1+x^0 <= 0 /\ -y^post1+y^0 == 0 /\ Result^0-Result^post1 == 0 /\ __const_99^0-__const_99^post1 == 0 /\ -x^post1+x^0 == 0 /\ -__disjvr_0^post1+__disjvr_0^0 == 0), cost: 1 5: l0 -> l5 : Result^0'=Result^post5, __disjvr_0^0'=__disjvr_0^post5, y^0'=y^post5, __const_99^0'=__const_99^post5, x^0'=x^post5, (-1-y^0+y^post5 == 0 /\ 1+x^0 <= 0 /\ 1+y^0 <= 0 /\ -1-y^0 <= 0 /\ Result^0-Result^post5 == 0 /\ -__const_99^post5+__const_99^0 == 0 /\ x^post5+__const_99^0-x^0 == 0 /\ __disjvr_0^0-__disjvr_0^post5 == 0), cost: 1 2: l3 -> l4 : Result^0'=Result^post2, __disjvr_0^0'=__disjvr_0^post2, y^0'=y^post2, __const_99^0'=__const_99^post2, x^0'=x^post2, (Result^0-Result^post2 == 0 /\ -__const_99^post2+__const_99^0 == 0 /\ -y^post2+y^0 == 0 /\ __disjvr_0^0-__disjvr_0^post2 == 0 /\ -__disjvr_0^0+__disjvr_0^post2 == 0 /\ -x^post2+x^0 == 0), cost: 1 3: l4 -> l2 : Result^0'=Result^post3, __disjvr_0^0'=__disjvr_0^post3, y^0'=y^post3, __const_99^0'=__const_99^post3, x^0'=x^post3, (__const_99^0-__const_99^post3 == 0 /\ -1+x^post3-x^0 == 0 /\ __disjvr_0^0-__disjvr_0^post3 == 0 /\ -1-y^0+y^post3 == 0 /\ Result^0-Result^post3 == 0), cost: 1 4: l2 -> l0 : Result^0'=Result^post4, __disjvr_0^0'=__disjvr_0^post4, y^0'=y^post4, __const_99^0'=__const_99^post4, x^0'=x^post4, (-x^post4+x^0 == 0 /\ -y^post4+y^0 == 0 /\ -__const_99^post4+__const_99^0 == 0 /\ Result^0-Result^post4 == 0 /\ __disjvr_0^0-__disjvr_0^post4 == 0), cost: 1 6: l5 -> l0 : Result^0'=Result^post6, __disjvr_0^0'=__disjvr_0^post6, y^0'=y^post6, __const_99^0'=__const_99^post6, x^0'=x^post6, (x^0-x^post6 == 0 /\ -y^post6+y^0 == 0 /\ Result^0-Result^post6 == 0 /\ __disjvr_0^0-__disjvr_0^post6 == 0 /\ -__const_99^post6+__const_99^0 == 0), cost: 1 7: l6 -> l0 : Result^0'=Result^post7, __disjvr_0^0'=__disjvr_0^post7, y^0'=y^post7, __const_99^0'=__const_99^post7, x^0'=x^post7, (-__const_99^post7+__const_99^0 == 0 /\ __disjvr_0^0-__disjvr_0^post7 == 0 /\ Result^0-Result^post7 == 0 /\ y^0-y^post7 == 0 /\ -x^post7+x^0 == 0), cost: 1 8: l7 -> l6 : Result^0'=Result^post8, __disjvr_0^0'=__disjvr_0^post8, y^0'=y^post8, __const_99^0'=__const_99^post8, x^0'=x^post8, (-x^post8+x^0 == 0 /\ Result^0-Result^post8 == 0 /\ -__const_99^post8+__const_99^0 == 0 /\ __disjvr_0^0-__disjvr_0^post8 == 0 /\ -y^post8+y^0 == 0), cost: 1 Removed unreachable rules and leafs Start location: l7 1: l0 -> l3 : Result^0'=Result^post1, __disjvr_0^0'=__disjvr_0^post1, y^0'=y^post1, __const_99^0'=__const_99^post1, x^0'=x^post1, (1+x^0 <= 0 /\ -y^post1+y^0 == 0 /\ Result^0-Result^post1 == 0 /\ __const_99^0-__const_99^post1 == 0 /\ -x^post1+x^0 == 0 /\ -__disjvr_0^post1+__disjvr_0^0 == 0), cost: 1 5: l0 -> l5 : Result^0'=Result^post5, __disjvr_0^0'=__disjvr_0^post5, y^0'=y^post5, __const_99^0'=__const_99^post5, x^0'=x^post5, (-1-y^0+y^post5 == 0 /\ 1+x^0 <= 0 /\ 1+y^0 <= 0 /\ -1-y^0 <= 0 /\ Result^0-Result^post5 == 0 /\ -__const_99^post5+__const_99^0 == 0 /\ x^post5+__const_99^0-x^0 == 0 /\ __disjvr_0^0-__disjvr_0^post5 == 0), cost: 1 2: l3 -> l4 : Result^0'=Result^post2, __disjvr_0^0'=__disjvr_0^post2, y^0'=y^post2, __const_99^0'=__const_99^post2, x^0'=x^post2, (Result^0-Result^post2 == 0 /\ -__const_99^post2+__const_99^0 == 0 /\ -y^post2+y^0 == 0 /\ __disjvr_0^0-__disjvr_0^post2 == 0 /\ -__disjvr_0^0+__disjvr_0^post2 == 0 /\ -x^post2+x^0 == 0), cost: 1 3: l4 -> l2 : Result^0'=Result^post3, __disjvr_0^0'=__disjvr_0^post3, y^0'=y^post3, __const_99^0'=__const_99^post3, x^0'=x^post3, (__const_99^0-__const_99^post3 == 0 /\ -1+x^post3-x^0 == 0 /\ __disjvr_0^0-__disjvr_0^post3 == 0 /\ -1-y^0+y^post3 == 0 /\ Result^0-Result^post3 == 0), cost: 1 4: l2 -> l0 : Result^0'=Result^post4, __disjvr_0^0'=__disjvr_0^post4, y^0'=y^post4, __const_99^0'=__const_99^post4, x^0'=x^post4, (-x^post4+x^0 == 0 /\ -y^post4+y^0 == 0 /\ -__const_99^post4+__const_99^0 == 0 /\ Result^0-Result^post4 == 0 /\ __disjvr_0^0-__disjvr_0^post4 == 0), cost: 1 6: l5 -> l0 : Result^0'=Result^post6, __disjvr_0^0'=__disjvr_0^post6, y^0'=y^post6, __const_99^0'=__const_99^post6, x^0'=x^post6, (x^0-x^post6 == 0 /\ -y^post6+y^0 == 0 /\ Result^0-Result^post6 == 0 /\ __disjvr_0^0-__disjvr_0^post6 == 0 /\ -__const_99^post6+__const_99^0 == 0), cost: 1 7: l6 -> l0 : Result^0'=Result^post7, __disjvr_0^0'=__disjvr_0^post7, y^0'=y^post7, __const_99^0'=__const_99^post7, x^0'=x^post7, (-__const_99^post7+__const_99^0 == 0 /\ __disjvr_0^0-__disjvr_0^post7 == 0 /\ Result^0-Result^post7 == 0 /\ y^0-y^post7 == 0 /\ -x^post7+x^0 == 0), cost: 1 8: l7 -> l6 : Result^0'=Result^post8, __disjvr_0^0'=__disjvr_0^post8, y^0'=y^post8, __const_99^0'=__const_99^post8, x^0'=x^post8, (-x^post8+x^0 == 0 /\ Result^0-Result^post8 == 0 /\ -__const_99^post8+__const_99^0 == 0 /\ __disjvr_0^0-__disjvr_0^post8 == 0 /\ -y^post8+y^0 == 0), cost: 1 Applied preprocessing Original rule: l0 -> l3 : Result^0'=Result^post1, __disjvr_0^0'=__disjvr_0^post1, y^0'=y^post1, __const_99^0'=__const_99^post1, x^0'=x^post1, (1+x^0 <= 0 /\ -y^post1+y^0 == 0 /\ Result^0-Result^post1 == 0 /\ __const_99^0-__const_99^post1 == 0 /\ -x^post1+x^0 == 0 /\ -__disjvr_0^post1+__disjvr_0^0 == 0), cost: 1 New rule: l0 -> l3 : 1+x^0 <= 0, cost: 1 Applied preprocessing Original rule: l3 -> l4 : Result^0'=Result^post2, __disjvr_0^0'=__disjvr_0^post2, y^0'=y^post2, __const_99^0'=__const_99^post2, x^0'=x^post2, (Result^0-Result^post2 == 0 /\ -__const_99^post2+__const_99^0 == 0 /\ -y^post2+y^0 == 0 /\ __disjvr_0^0-__disjvr_0^post2 == 0 /\ -__disjvr_0^0+__disjvr_0^post2 == 0 /\ -x^post2+x^0 == 0), cost: 1 New rule: l3 -> l4 : 0 == 0, cost: 1 Applied preprocessing Original rule: l4 -> l2 : Result^0'=Result^post3, __disjvr_0^0'=__disjvr_0^post3, y^0'=y^post3, __const_99^0'=__const_99^post3, x^0'=x^post3, (__const_99^0-__const_99^post3 == 0 /\ -1+x^post3-x^0 == 0 /\ __disjvr_0^0-__disjvr_0^post3 == 0 /\ -1-y^0+y^post3 == 0 /\ Result^0-Result^post3 == 0), cost: 1 New rule: l4 -> l2 : y^0'=1+y^0, x^0'=1+x^0, TRUE, cost: 1 Applied preprocessing Original rule: l2 -> l0 : Result^0'=Result^post4, __disjvr_0^0'=__disjvr_0^post4, y^0'=y^post4, __const_99^0'=__const_99^post4, x^0'=x^post4, (-x^post4+x^0 == 0 /\ -y^post4+y^0 == 0 /\ -__const_99^post4+__const_99^0 == 0 /\ Result^0-Result^post4 == 0 /\ __disjvr_0^0-__disjvr_0^post4 == 0), cost: 1 New rule: l2 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l0 -> l5 : Result^0'=Result^post5, __disjvr_0^0'=__disjvr_0^post5, y^0'=y^post5, __const_99^0'=__const_99^post5, x^0'=x^post5, (-1-y^0+y^post5 == 0 /\ 1+x^0 <= 0 /\ 1+y^0 <= 0 /\ -1-y^0 <= 0 /\ Result^0-Result^post5 == 0 /\ -__const_99^post5+__const_99^0 == 0 /\ x^post5+__const_99^0-x^0 == 0 /\ __disjvr_0^0-__disjvr_0^post5 == 0), cost: 1 New rule: l0 -> l5 : y^0'=1+y^0, x^0'=-__const_99^0+x^0, (1+x^0 <= 0 /\ 1+y^0 == 0), cost: 1 Applied preprocessing Original rule: l5 -> l0 : Result^0'=Result^post6, __disjvr_0^0'=__disjvr_0^post6, y^0'=y^post6, __const_99^0'=__const_99^post6, x^0'=x^post6, (x^0-x^post6 == 0 /\ -y^post6+y^0 == 0 /\ Result^0-Result^post6 == 0 /\ __disjvr_0^0-__disjvr_0^post6 == 0 /\ -__const_99^post6+__const_99^0 == 0), cost: 1 New rule: l5 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l6 -> l0 : Result^0'=Result^post7, __disjvr_0^0'=__disjvr_0^post7, y^0'=y^post7, __const_99^0'=__const_99^post7, x^0'=x^post7, (-__const_99^post7+__const_99^0 == 0 /\ __disjvr_0^0-__disjvr_0^post7 == 0 /\ Result^0-Result^post7 == 0 /\ y^0-y^post7 == 0 /\ -x^post7+x^0 == 0), cost: 1 New rule: l6 -> l0 : TRUE, cost: 1 Applied preprocessing Original rule: l7 -> l6 : Result^0'=Result^post8, __disjvr_0^0'=__disjvr_0^post8, y^0'=y^post8, __const_99^0'=__const_99^post8, x^0'=x^post8, (-x^post8+x^0 == 0 /\ Result^0-Result^post8 == 0 /\ -__const_99^post8+__const_99^0 == 0 /\ __disjvr_0^0-__disjvr_0^post8 == 0 /\ -y^post8+y^0 == 0), cost: 1 New rule: l7 -> l6 : TRUE, cost: 1 Simplified rules Start location: l7 9: l0 -> l3 : 1+x^0 <= 0, cost: 1 13: l0 -> l5 : y^0'=1+y^0, x^0'=-__const_99^0+x^0, (1+x^0 <= 0 /\ 1+y^0 == 0), cost: 1 10: l3 -> l4 : 0 == 0, cost: 1 11: l4 -> l2 : y^0'=1+y^0, x^0'=1+x^0, TRUE, cost: 1 12: l2 -> l0 : TRUE, cost: 1 14: l5 -> l0 : TRUE, cost: 1 15: l6 -> l0 : TRUE, cost: 1 16: 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: 15 16 Eliminating location l3 by chaining: Applied chaining First rule: l0 -> l3 : 1+x^0 <= 0, cost: 1 Second rule: l3 -> l4 : 0 == 0, cost: 1 New rule: l0 -> l4 : (0 == 0 /\ 1+x^0 <= 0), cost: 2 Applied simplification Original rule: l0 -> l4 : (0 == 0 /\ 1+x^0 <= 0), cost: 2 New rule: l0 -> l4 : 1+x^0 <= 0, cost: 2 Applied deletion Removed the following rules: 9 10 Eliminating location l5 by chaining: Applied chaining First rule: l0 -> l5 : y^0'=1+y^0, x^0'=-__const_99^0+x^0, (1+x^0 <= 0 /\ 1+y^0 == 0), cost: 1 Second rule: l5 -> l0 : TRUE, cost: 1 New rule: l0 -> l0 : y^0'=1+y^0, x^0'=-__const_99^0+x^0, (1+x^0 <= 0 /\ 1+y^0 == 0), cost: 2 Applied deletion Removed the following rules: 13 14 Eliminating location l4 by chaining: Applied chaining First rule: l0 -> l4 : 1+x^0 <= 0, cost: 2 Second rule: l4 -> l2 : y^0'=1+y^0, x^0'=1+x^0, TRUE, cost: 1 New rule: l0 -> l2 : y^0'=1+y^0, x^0'=1+x^0, 1+x^0 <= 0, cost: 3 Applied deletion Removed the following rules: 11 18 Eliminating location l2 by chaining: Applied chaining First rule: l0 -> l2 : y^0'=1+y^0, x^0'=1+x^0, 1+x^0 <= 0, cost: 3 Second rule: l2 -> l0 : TRUE, cost: 1 New rule: l0 -> l0 : y^0'=1+y^0, x^0'=1+x^0, 1+x^0 <= 0, cost: 4 Applied deletion Removed the following rules: 12 20 Eliminated locations on linear paths Start location: l7 19: l0 -> l0 : y^0'=1+y^0, x^0'=-__const_99^0+x^0, (1+x^0 <= 0 /\ 1+y^0 == 0), cost: 2 21: l0 -> l0 : y^0'=1+y^0, x^0'=1+x^0, 1+x^0 <= 0, cost: 4 17: l7 -> l0 : TRUE, cost: 2 Applied acceleration Original rule: l0 -> l0 : y^0'=1+y^0, x^0'=-__const_99^0+x^0, (1+x^0 <= 0 /\ 1+y^0 == 0), cost: 2 New rule: l0 -> l0 : y^0'=y^0+n1, x^0'=-n1*__const_99^0+x^0, (-1-x^0 >= 0 /\ 1+y^0 >= 0 /\ -1-y^0 >= 0 /\ -1+(-1+n1)*__const_99^0-x^0 >= 0 /\ n1 >= 0 /\ -y^0-n1 >= 0), cost: 2*n1 Applied instantiation Original rule: l0 -> l0 : y^0'=y^0+n1, x^0'=-n1*__const_99^0+x^0, (-1-x^0 >= 0 /\ 1+y^0 >= 0 /\ -1-y^0 >= 0 /\ -1+(-1+n1)*__const_99^0-x^0 >= 0 /\ n1 >= 0 /\ -y^0-n1 >= 0), cost: 2*n1 New rule: l0 -> l0 : y^0'=0, x^0'=y^0*__const_99^0+x^0, (0 >= 0 /\ -1-x^0 >= 0 /\ -1-(1+y^0)*__const_99^0-x^0 >= 0 /\ 1+y^0 >= 0 /\ -1-y^0 >= 0 /\ -y^0 >= 0), cost: -2*y^0 Applied acceleration Original rule: l0 -> l0 : y^0'=1+y^0, x^0'=1+x^0, 1+x^0 <= 0, cost: 4 New rule: l0 -> l0 : y^0'=y^0+n3, x^0'=n3+x^0, (n3 >= 0 /\ -n3-x^0 >= 0), cost: 4*n3 Applied instantiation Original rule: l0 -> l0 : y^0'=y^0+n3, x^0'=n3+x^0, (n3 >= 0 /\ -n3-x^0 >= 0), cost: 4*n3 New rule: l0 -> l0 : y^0'=y^0-x^0, x^0'=0, (0 >= 0 /\ -x^0 >= 0), cost: -4*x^0 Applied simplification Original rule: l0 -> l0 : y^0'=0, x^0'=y^0*__const_99^0+x^0, (0 >= 0 /\ -1-x^0 >= 0 /\ -1-(1+y^0)*__const_99^0-x^0 >= 0 /\ 1+y^0 >= 0 /\ -1-y^0 >= 0 /\ -y^0 >= 0), cost: -2*y^0 New rule: l0 -> l0 : y^0'=0, x^0'=y^0*__const_99^0+x^0, (-1-(1+y^0)*__const_99^0-x^0 >= 0 /\ 1+y^0 <= 0 /\ 1+y^0 >= 0), cost: -2*y^0 Applied simplification Original rule: l0 -> l0 : y^0'=y^0-x^0, x^0'=0, (0 >= 0 /\ -x^0 >= 0), cost: -4*x^0 New rule: l0 -> l0 : y^0'=y^0-x^0, x^0'=0, x^0 <= 0, cost: -4*x^0 Applied deletion Removed the following rules: 19 21 Accelerated simple loops Start location: l7 24: l0 -> l0 : y^0'=0, x^0'=y^0*__const_99^0+x^0, (-1-(1+y^0)*__const_99^0-x^0 >= 0 /\ 1+y^0 <= 0 /\ 1+y^0 >= 0), cost: -2*y^0 25: l0 -> l0 : y^0'=y^0-x^0, x^0'=0, x^0 <= 0, cost: -4*x^0 17: l7 -> l0 : TRUE, cost: 2 Applied chaining First rule: l7 -> l0 : TRUE, cost: 2 Second rule: l0 -> l0 : y^0'=0, x^0'=y^0*__const_99^0+x^0, (-1-(1+y^0)*__const_99^0-x^0 >= 0 /\ 1+y^0 <= 0 /\ 1+y^0 >= 0), cost: -2*y^0 New rule: l7 -> l0 : y^0'=0, x^0'=y^0*__const_99^0+x^0, (-1-(1+y^0)*__const_99^0-x^0 >= 0 /\ 1+y^0 == 0), cost: 2-2*y^0 Applied chaining First rule: l7 -> l0 : TRUE, cost: 2 Second rule: l0 -> l0 : y^0'=y^0-x^0, x^0'=0, x^0 <= 0, cost: -4*x^0 New rule: l7 -> l0 : y^0'=y^0-x^0, x^0'=0, x^0 <= 0, cost: 2-4*x^0 Applied deletion Removed the following rules: 24 25 Chained accelerated rules with incoming rules Start location: l7 17: l7 -> l0 : TRUE, cost: 2 26: l7 -> l0 : y^0'=0, x^0'=y^0*__const_99^0+x^0, (-1-(1+y^0)*__const_99^0-x^0 >= 0 /\ 1+y^0 == 0), cost: 2-2*y^0 27: l7 -> l0 : y^0'=y^0-x^0, x^0'=0, x^0 <= 0, cost: 2-4*x^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