WORST_CASE(Omega(0),?) Initial ITS Start location: l6 0: l0 -> l1 : __const_10^0'=__const_10^post0, i^0'=i^post0, (i^0-i^post0 == 0 /\ __const_10^0-__const_10^post0 == 0), cost: 1 1: l0 -> l1 : __const_10^0'=__const_10^post1, i^0'=i^post1, (-i^post1+i^0 == 0 /\ __const_10^0-__const_10^post1 == 0), cost: 1 5: l1 -> l4 : __const_10^0'=__const_10^post5, i^0'=i^post5, (i^0-i^post5 == 0 /\ __const_10^0-__const_10^post5 == 0), cost: 1 2: l2 -> l0 : __const_10^0'=__const_10^post2, i^0'=i^post2, (-i^post2+i^0 == 0 /\ __const_10^0-__const_10^post2 == 0 /\ __const_10^0-i^0 <= 0), cost: 1 3: l2 -> l3 : __const_10^0'=__const_10^post3, i^0'=i^post3, (__const_10^0-__const_10^post3 == 0 /\ -1-i^0+i^post3 == 0 /\ 1-__const_10^0+i^0 <= 0), cost: 1 4: l3 -> l2 : __const_10^0'=__const_10^post4, i^0'=i^post4, (__const_10^0-__const_10^post4 == 0 /\ -i^post4+i^0 == 0), cost: 1 6: l5 -> l3 : __const_10^0'=__const_10^post6, i^0'=i^post6, (i^post6 == 0 /\ __const_10^0-__const_10^post6 == 0), cost: 1 7: l6 -> l5 : __const_10^0'=__const_10^post7, i^0'=i^post7, (__const_10^0-__const_10^post7 == 0 /\ -i^post7+i^0 == 0), cost: 1 Removed unreachable rules and leafs Start location: l6 3: l2 -> l3 : __const_10^0'=__const_10^post3, i^0'=i^post3, (__const_10^0-__const_10^post3 == 0 /\ -1-i^0+i^post3 == 0 /\ 1-__const_10^0+i^0 <= 0), cost: 1 4: l3 -> l2 : __const_10^0'=__const_10^post4, i^0'=i^post4, (__const_10^0-__const_10^post4 == 0 /\ -i^post4+i^0 == 0), cost: 1 6: l5 -> l3 : __const_10^0'=__const_10^post6, i^0'=i^post6, (i^post6 == 0 /\ __const_10^0-__const_10^post6 == 0), cost: 1 7: l6 -> l5 : __const_10^0'=__const_10^post7, i^0'=i^post7, (__const_10^0-__const_10^post7 == 0 /\ -i^post7+i^0 == 0), cost: 1 Applied preprocessing Original rule: l2 -> l3 : __const_10^0'=__const_10^post3, i^0'=i^post3, (__const_10^0-__const_10^post3 == 0 /\ -1-i^0+i^post3 == 0 /\ 1-__const_10^0+i^0 <= 0), cost: 1 New rule: l2 -> l3 : i^0'=1+i^0, 1-__const_10^0+i^0 <= 0, cost: 1 Applied preprocessing Original rule: l3 -> l2 : __const_10^0'=__const_10^post4, i^0'=i^post4, (__const_10^0-__const_10^post4 == 0 /\ -i^post4+i^0 == 0), cost: 1 New rule: l3 -> l2 : TRUE, cost: 1 Applied preprocessing Original rule: l5 -> l3 : __const_10^0'=__const_10^post6, i^0'=i^post6, (i^post6 == 0 /\ __const_10^0-__const_10^post6 == 0), cost: 1 New rule: l5 -> l3 : i^0'=0, TRUE, cost: 1 Applied preprocessing Original rule: l6 -> l5 : __const_10^0'=__const_10^post7, i^0'=i^post7, (__const_10^0-__const_10^post7 == 0 /\ -i^post7+i^0 == 0), cost: 1 New rule: l6 -> l5 : TRUE, cost: 1 Simplified rules Start location: l6 8: l2 -> l3 : i^0'=1+i^0, 1-__const_10^0+i^0 <= 0, cost: 1 9: l3 -> l2 : TRUE, cost: 1 10: l5 -> l3 : i^0'=0, TRUE, cost: 1 11: l6 -> l5 : TRUE, cost: 1 Eliminating location l5 by chaining: Applied chaining First rule: l6 -> l5 : TRUE, cost: 1 Second rule: l5 -> l3 : i^0'=0, TRUE, cost: 1 New rule: l6 -> l3 : i^0'=0, TRUE, cost: 2 Applied deletion Removed the following rules: 10 11 Eliminating location l2 by chaining: Applied chaining First rule: l3 -> l2 : TRUE, cost: 1 Second rule: l2 -> l3 : i^0'=1+i^0, 1-__const_10^0+i^0 <= 0, cost: 1 New rule: l3 -> l3 : i^0'=1+i^0, 1-__const_10^0+i^0 <= 0, cost: 2 Applied deletion Removed the following rules: 8 9 Eliminated locations on linear paths Start location: l6 13: l3 -> l3 : i^0'=1+i^0, 1-__const_10^0+i^0 <= 0, cost: 2 12: l6 -> l3 : i^0'=0, TRUE, cost: 2 Applied acceleration Original rule: l3 -> l3 : i^0'=1+i^0, 1-__const_10^0+i^0 <= 0, cost: 2 New rule: l3 -> l3 : i^0'=n0+i^0, (n0 >= 0 /\ __const_10^0-n0-i^0 >= 0), cost: 2*n0 Applied instantiation Original rule: l3 -> l3 : i^0'=n0+i^0, (n0 >= 0 /\ __const_10^0-n0-i^0 >= 0), cost: 2*n0 New rule: l3 -> l3 : i^0'=__const_10^0, (0 >= 0 /\ __const_10^0-i^0 >= 0), cost: 2*__const_10^0-2*i^0 Applied simplification Original rule: l3 -> l3 : i^0'=__const_10^0, (0 >= 0 /\ __const_10^0-i^0 >= 0), cost: 2*__const_10^0-2*i^0 New rule: l3 -> l3 : i^0'=__const_10^0, __const_10^0-i^0 >= 0, cost: 2*__const_10^0-2*i^0 Applied deletion Removed the following rules: 13 Accelerated simple loops Start location: l6 15: l3 -> l3 : i^0'=__const_10^0, __const_10^0-i^0 >= 0, cost: 2*__const_10^0-2*i^0 12: l6 -> l3 : i^0'=0, TRUE, cost: 2 Applied chaining First rule: l6 -> l3 : i^0'=0, TRUE, cost: 2 Second rule: l3 -> l3 : i^0'=__const_10^0, __const_10^0-i^0 >= 0, cost: 2*__const_10^0-2*i^0 New rule: l6 -> l3 : i^0'=__const_10^0, __const_10^0 >= 0, cost: 2+2*__const_10^0 Applied deletion Removed the following rules: 15 Chained accelerated rules with incoming rules Start location: l6 12: l6 -> l3 : i^0'=0, TRUE, cost: 2 16: l6 -> l3 : i^0'=__const_10^0, __const_10^0 >= 0, cost: 2+2*__const_10^0 Removed unreachable locations and irrelevant leafs Start location: l6 Computing asymptotic complexity Proved the following lower bound Complexity: Unknown Cpx degree: ? Solved cost: 0 Rule cost: 0