WORST_CASE(Omega(0),?) Initial ITS Start location: l6 0: l0 -> l1 : i^0'=i^post0, __const_20^0'=__const_20^post0, (-__const_20^post0+__const_20^0 == 0 /\ -i^post0+i^0 == 0), cost: 1 1: l2 -> l0 : i^0'=i^post1, __const_20^0'=__const_20^post1, (__const_20^0-__const_20^post1 == 0 /\ -i^0+__const_20^0 <= 0 /\ i^0-i^post1 == 0), cost: 1 2: l2 -> l3 : i^0'=i^post2, __const_20^0'=__const_20^post2, (1+i^0-__const_20^0 <= 0 /\ -1-i^0+i^post2 == 0 /\ __const_20^0-__const_20^post2 == 0), cost: 1 5: l3 -> l2 : i^0'=i^post5, __const_20^0'=__const_20^post5, (i^0-i^post5 == 0 /\ -__const_20^post5+__const_20^0 == 0), cost: 1 3: l4 -> l0 : i^0'=i^post3, __const_20^0'=__const_20^post3, (i^0 <= 0 /\ i^0-i^post3 == 0 /\ -__const_20^post3+__const_20^0 == 0), cost: 1 4: l4 -> l3 : i^0'=i^post4, __const_20^0'=__const_20^post4, (i^0-i^post4 == 0 /\ __const_20^0-__const_20^post4 == 0 /\ 1-i^0 <= 0), cost: 1 6: l5 -> l4 : i^0'=i^post6, __const_20^0'=__const_20^post6, (0 == 0 /\ i^10 == 0 /\ __const_20^0-__const_20^post6 == 0), cost: 1 7: l6 -> l5 : i^0'=i^post7, __const_20^0'=__const_20^post7, (__const_20^0-__const_20^post7 == 0 /\ i^0-i^post7 == 0), cost: 1 Removed unreachable rules and leafs Start location: l6 2: l2 -> l3 : i^0'=i^post2, __const_20^0'=__const_20^post2, (1+i^0-__const_20^0 <= 0 /\ -1-i^0+i^post2 == 0 /\ __const_20^0-__const_20^post2 == 0), cost: 1 5: l3 -> l2 : i^0'=i^post5, __const_20^0'=__const_20^post5, (i^0-i^post5 == 0 /\ -__const_20^post5+__const_20^0 == 0), cost: 1 4: l4 -> l3 : i^0'=i^post4, __const_20^0'=__const_20^post4, (i^0-i^post4 == 0 /\ __const_20^0-__const_20^post4 == 0 /\ 1-i^0 <= 0), cost: 1 6: l5 -> l4 : i^0'=i^post6, __const_20^0'=__const_20^post6, (0 == 0 /\ i^10 == 0 /\ __const_20^0-__const_20^post6 == 0), cost: 1 7: l6 -> l5 : i^0'=i^post7, __const_20^0'=__const_20^post7, (__const_20^0-__const_20^post7 == 0 /\ i^0-i^post7 == 0), cost: 1 Applied preprocessing Original rule: l2 -> l3 : i^0'=i^post2, __const_20^0'=__const_20^post2, (1+i^0-__const_20^0 <= 0 /\ -1-i^0+i^post2 == 0 /\ __const_20^0-__const_20^post2 == 0), cost: 1 New rule: l2 -> l3 : i^0'=1+i^0, 1+i^0-__const_20^0 <= 0, cost: 1 Applied preprocessing Original rule: l4 -> l3 : i^0'=i^post4, __const_20^0'=__const_20^post4, (i^0-i^post4 == 0 /\ __const_20^0-__const_20^post4 == 0 /\ 1-i^0 <= 0), cost: 1 New rule: l4 -> l3 : -1+i^0 >= 0, cost: 1 Applied preprocessing Original rule: l3 -> l2 : i^0'=i^post5, __const_20^0'=__const_20^post5, (i^0-i^post5 == 0 /\ -__const_20^post5+__const_20^0 == 0), cost: 1 New rule: l3 -> l2 : TRUE, cost: 1 Applied preprocessing Original rule: l5 -> l4 : i^0'=i^post6, __const_20^0'=__const_20^post6, (0 == 0 /\ i^10 == 0 /\ __const_20^0-__const_20^post6 == 0), cost: 1 New rule: l5 -> l4 : i^0'=i^post6, 0 == 0, cost: 1 Applied preprocessing Original rule: l6 -> l5 : i^0'=i^post7, __const_20^0'=__const_20^post7, (__const_20^0-__const_20^post7 == 0 /\ i^0-i^post7 == 0), cost: 1 New rule: l6 -> l5 : TRUE, cost: 1 Simplified rules Start location: l6 8: l2 -> l3 : i^0'=1+i^0, 1+i^0-__const_20^0 <= 0, cost: 1 10: l3 -> l2 : TRUE, cost: 1 9: l4 -> l3 : -1+i^0 >= 0, cost: 1 11: l5 -> l4 : i^0'=i^post6, 0 == 0, cost: 1 12: l6 -> l5 : TRUE, cost: 1 Eliminating location l5 by chaining: Applied chaining First rule: l6 -> l5 : TRUE, cost: 1 Second rule: l5 -> l4 : i^0'=i^post6, 0 == 0, cost: 1 New rule: l6 -> l4 : i^0'=i^post6, 0 == 0, cost: 2 Applied deletion Removed the following rules: 11 12 Eliminating location l4 by chaining: Applied chaining First rule: l6 -> l4 : i^0'=i^post6, 0 == 0, cost: 2 Second rule: l4 -> l3 : -1+i^0 >= 0, cost: 1 New rule: l6 -> l3 : i^0'=i^post6, (0 == 0 /\ -1+i^post6 >= 0), cost: 3 Applied simplification Original rule: l6 -> l3 : i^0'=i^post6, (0 == 0 /\ -1+i^post6 >= 0), cost: 3 New rule: l6 -> l3 : i^0'=i^post6, -1+i^post6 >= 0, cost: 3 Applied deletion Removed the following rules: 9 13 Eliminating location l2 by chaining: Applied chaining First rule: l3 -> l2 : TRUE, cost: 1 Second rule: l2 -> l3 : i^0'=1+i^0, 1+i^0-__const_20^0 <= 0, cost: 1 New rule: l3 -> l3 : i^0'=1+i^0, 1+i^0-__const_20^0 <= 0, cost: 2 Applied deletion Removed the following rules: 8 10 Eliminated locations on linear paths Start location: l6 15: l3 -> l3 : i^0'=1+i^0, 1+i^0-__const_20^0 <= 0, cost: 2 14: l6 -> l3 : i^0'=i^post6, -1+i^post6 >= 0, cost: 3 Applied acceleration Original rule: l3 -> l3 : i^0'=1+i^0, 1+i^0-__const_20^0 <= 0, cost: 2 New rule: l3 -> l3 : i^0'=n+i^0, (n >= 0 /\ -n-i^0+__const_20^0 >= 0), cost: 2*n Sub-proof via acceration calculus written to file:///tmp/tmpnam_HBGipN.txt Applied instantiation Original rule: l3 -> l3 : i^0'=n+i^0, (n >= 0 /\ -n-i^0+__const_20^0 >= 0), cost: 2*n New rule: l3 -> l3 : i^0'=__const_20^0, (0 >= 0 /\ -i^0+__const_20^0 >= 0), cost: -2*i^0+2*__const_20^0 Applied simplification Original rule: l3 -> l3 : i^0'=__const_20^0, (0 >= 0 /\ -i^0+__const_20^0 >= 0), cost: -2*i^0+2*__const_20^0 New rule: l3 -> l3 : i^0'=__const_20^0, -i^0+__const_20^0 >= 0, cost: -2*i^0+2*__const_20^0 Applied deletion Removed the following rules: 15 Accelerated simple loops Start location: l6 17: l3 -> l3 : i^0'=__const_20^0, -i^0+__const_20^0 >= 0, cost: -2*i^0+2*__const_20^0 14: l6 -> l3 : i^0'=i^post6, -1+i^post6 >= 0, cost: 3 Applied chaining First rule: l6 -> l3 : i^0'=i^post6, -1+i^post6 >= 0, cost: 3 Second rule: l3 -> l3 : i^0'=__const_20^0, -i^0+__const_20^0 >= 0, cost: -2*i^0+2*__const_20^0 New rule: l6 -> l3 : i^0'=__const_20^0, (-1+i^post6 >= 0 /\ -i^post6+__const_20^0 >= 0), cost: 3-2*i^post6+2*__const_20^0 Applied deletion Removed the following rules: 17 Chained accelerated rules with incoming rules Start location: l6 14: l6 -> l3 : i^0'=i^post6, -1+i^post6 >= 0, cost: 3 18: l6 -> l3 : i^0'=__const_20^0, (-1+i^post6 >= 0 /\ -i^post6+__const_20^0 >= 0), cost: 3-2*i^post6+2*__const_20^0 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