WORST_CASE(Omega(0),?) Initial ITS Start location: l6 0: l0 -> l1 : a_20^0'=a_20^post0, i_21^0'=i_21^post0, st_14^0'=st_14^post0, i_13^0'=i_13^post0, rt_11^0'=rt_11^post0, (i_13^post0 <= 0 /\ i_13^post0 == 0 /\ -i_13^post0 <= 0 /\ st_14^0-st_14^post0 == 0 /\ a_20^0-a_20^post0 == 0 /\ -rt_11^post0+rt_11^0 == 0 /\ i_21^0-i_21^post0 == 0), cost: 1 3: l1 -> l4 : a_20^0'=a_20^post3, i_21^0'=i_21^post3, st_14^0'=st_14^post3, i_13^0'=i_13^post3, rt_11^0'=rt_11^post3, (a_20^0-a_20^post3 == 0 /\ st_14^0-st_14^post3 == 0 /\ i_13^0-i_13^post3 == 0 /\ i_21^0-i_21^post3 == 0 /\ 10-i_13^0 <= 0 /\ rt_11^post3-st_14^0 == 0), cost: 1 4: l1 -> l5 : a_20^0'=a_20^post4, i_21^0'=i_21^post4, st_14^0'=st_14^post4, i_13^0'=i_13^post4, rt_11^0'=rt_11^post4, (0 == 0 /\ -9+i_21^post4 <= 0 /\ -rt_11^post4+rt_11^0 == 0 /\ -1+i_13^post4-i_21^post4 <= 0 /\ -9+i_13^0 <= 0 /\ -1+i_13^post4-i_13^0 == 0 /\ 1-i_13^post4+i_21^post4 <= 0 /\ -st_14^post4+st_14^0 == 0 /\ a_20^0-a_20^post4 == 0), cost: 1 1: l2 -> l1 : a_20^0'=a_20^post1, i_21^0'=i_21^post1, st_14^0'=st_14^post1, i_13^0'=i_13^post1, rt_11^0'=rt_11^post1, (0 == 0 /\ -a_20^post1+i_13^post1 <= 0 /\ -2+i_13^post1 <= 0 /\ i_21^0-i_21^post1 == 0 /\ -rt_11^post1+rt_11^0 == 0 /\ a_20^post1-i_13^post1 <= 0 /\ -1-i_13^0+i_13^10 == 0 /\ -st_14^post1+st_14^0 == 0 /\ -9+i_13^0 <= 0 /\ 2-i_13^post1 <= 0), cost: 1 2: l3 -> l1 : a_20^0'=a_20^post2, i_21^0'=i_21^post2, st_14^0'=st_14^post2, i_13^0'=i_13^post2, rt_11^0'=rt_11^post2, (a_20^0-a_20^post2 == 0 /\ i_21^0-i_21^post2 == 0 /\ -1+i_13^post2-i_13^0 == 0 /\ -st_14^post2+st_14^0 == 0 /\ -9+i_13^0 <= 0 /\ -rt_11^post2+rt_11^0 == 0 /\ 1-i_13^post2 <= 0 /\ -1+i_13^post2 <= 0), cost: 1 5: l5 -> l1 : a_20^0'=a_20^post5, i_21^0'=i_21^post5, st_14^0'=st_14^post5, i_13^0'=i_13^post5, rt_11^0'=rt_11^post5, (-rt_11^post5+rt_11^0 == 0 /\ st_14^0-st_14^post5 == 0 /\ i_13^0-i_13^post5 == 0 /\ i_21^0-i_21^post5 == 0 /\ a_20^0-a_20^post5 == 0), cost: 1 6: l6 -> l0 : a_20^0'=a_20^post6, i_21^0'=i_21^post6, st_14^0'=st_14^post6, i_13^0'=i_13^post6, rt_11^0'=rt_11^post6, (-rt_11^post6+rt_11^0 == 0 /\ -i_13^post6+i_13^0 == 0 /\ -st_14^post6+st_14^0 == 0 /\ i_21^0-i_21^post6 == 0 /\ a_20^0-a_20^post6 == 0), cost: 1 Removed unreachable rules and leafs Start location: l6 0: l0 -> l1 : a_20^0'=a_20^post0, i_21^0'=i_21^post0, st_14^0'=st_14^post0, i_13^0'=i_13^post0, rt_11^0'=rt_11^post0, (i_13^post0 <= 0 /\ i_13^post0 == 0 /\ -i_13^post0 <= 0 /\ st_14^0-st_14^post0 == 0 /\ a_20^0-a_20^post0 == 0 /\ -rt_11^post0+rt_11^0 == 0 /\ i_21^0-i_21^post0 == 0), cost: 1 4: l1 -> l5 : a_20^0'=a_20^post4, i_21^0'=i_21^post4, st_14^0'=st_14^post4, i_13^0'=i_13^post4, rt_11^0'=rt_11^post4, (0 == 0 /\ -9+i_21^post4 <= 0 /\ -rt_11^post4+rt_11^0 == 0 /\ -1+i_13^post4-i_21^post4 <= 0 /\ -9+i_13^0 <= 0 /\ -1+i_13^post4-i_13^0 == 0 /\ 1-i_13^post4+i_21^post4 <= 0 /\ -st_14^post4+st_14^0 == 0 /\ a_20^0-a_20^post4 == 0), cost: 1 5: l5 -> l1 : a_20^0'=a_20^post5, i_21^0'=i_21^post5, st_14^0'=st_14^post5, i_13^0'=i_13^post5, rt_11^0'=rt_11^post5, (-rt_11^post5+rt_11^0 == 0 /\ st_14^0-st_14^post5 == 0 /\ i_13^0-i_13^post5 == 0 /\ i_21^0-i_21^post5 == 0 /\ a_20^0-a_20^post5 == 0), cost: 1 6: l6 -> l0 : a_20^0'=a_20^post6, i_21^0'=i_21^post6, st_14^0'=st_14^post6, i_13^0'=i_13^post6, rt_11^0'=rt_11^post6, (-rt_11^post6+rt_11^0 == 0 /\ -i_13^post6+i_13^0 == 0 /\ -st_14^post6+st_14^0 == 0 /\ i_21^0-i_21^post6 == 0 /\ a_20^0-a_20^post6 == 0), cost: 1 Applied preprocessing Original rule: l0 -> l1 : a_20^0'=a_20^post0, i_21^0'=i_21^post0, st_14^0'=st_14^post0, i_13^0'=i_13^post0, rt_11^0'=rt_11^post0, (i_13^post0 <= 0 /\ i_13^post0 == 0 /\ -i_13^post0 <= 0 /\ st_14^0-st_14^post0 == 0 /\ a_20^0-a_20^post0 == 0 /\ -rt_11^post0+rt_11^0 == 0 /\ i_21^0-i_21^post0 == 0), cost: 1 New rule: l0 -> l1 : i_13^0'=0, TRUE, cost: 1 Applied preprocessing Original rule: l1 -> l5 : a_20^0'=a_20^post4, i_21^0'=i_21^post4, st_14^0'=st_14^post4, i_13^0'=i_13^post4, rt_11^0'=rt_11^post4, (0 == 0 /\ -9+i_21^post4 <= 0 /\ -rt_11^post4+rt_11^0 == 0 /\ -1+i_13^post4-i_21^post4 <= 0 /\ -9+i_13^0 <= 0 /\ -1+i_13^post4-i_13^0 == 0 /\ 1-i_13^post4+i_21^post4 <= 0 /\ -st_14^post4+st_14^0 == 0 /\ a_20^0-a_20^post4 == 0), cost: 1 New rule: l1 -> l5 : i_21^0'=i_13^0, i_13^0'=1+i_13^0, -9+i_13^0 <= 0, cost: 1 Applied preprocessing Original rule: l5 -> l1 : a_20^0'=a_20^post5, i_21^0'=i_21^post5, st_14^0'=st_14^post5, i_13^0'=i_13^post5, rt_11^0'=rt_11^post5, (-rt_11^post5+rt_11^0 == 0 /\ st_14^0-st_14^post5 == 0 /\ i_13^0-i_13^post5 == 0 /\ i_21^0-i_21^post5 == 0 /\ a_20^0-a_20^post5 == 0), cost: 1 New rule: l5 -> l1 : TRUE, cost: 1 Applied preprocessing Original rule: l6 -> l0 : a_20^0'=a_20^post6, i_21^0'=i_21^post6, st_14^0'=st_14^post6, i_13^0'=i_13^post6, rt_11^0'=rt_11^post6, (-rt_11^post6+rt_11^0 == 0 /\ -i_13^post6+i_13^0 == 0 /\ -st_14^post6+st_14^0 == 0 /\ i_21^0-i_21^post6 == 0 /\ a_20^0-a_20^post6 == 0), cost: 1 New rule: l6 -> l0 : TRUE, cost: 1 Simplified rules Start location: l6 7: l0 -> l1 : i_13^0'=0, TRUE, cost: 1 8: l1 -> l5 : i_21^0'=i_13^0, i_13^0'=1+i_13^0, -9+i_13^0 <= 0, cost: 1 9: l5 -> l1 : TRUE, cost: 1 10: l6 -> l0 : TRUE, cost: 1 Eliminating location l0 by chaining: Applied chaining First rule: l6 -> l0 : TRUE, cost: 1 Second rule: l0 -> l1 : i_13^0'=0, TRUE, cost: 1 New rule: l6 -> l1 : i_13^0'=0, TRUE, cost: 2 Applied deletion Removed the following rules: 7 10 Eliminating location l5 by chaining: Applied chaining First rule: l1 -> l5 : i_21^0'=i_13^0, i_13^0'=1+i_13^0, -9+i_13^0 <= 0, cost: 1 Second rule: l5 -> l1 : TRUE, cost: 1 New rule: l1 -> l1 : i_21^0'=i_13^0, i_13^0'=1+i_13^0, -9+i_13^0 <= 0, cost: 2 Applied deletion Removed the following rules: 8 9 Eliminated locations on linear paths Start location: l6 12: l1 -> l1 : i_21^0'=i_13^0, i_13^0'=1+i_13^0, -9+i_13^0 <= 0, cost: 2 11: l6 -> l1 : i_13^0'=0, TRUE, cost: 2 Applied acceleration Original rule: l1 -> l1 : i_21^0'=i_13^0, i_13^0'=1+i_13^0, -9+i_13^0 <= 0, cost: 2 New rule: l1 -> l1 : i_21^0'=-1+i_13^0+n0, i_13^0'=i_13^0+n0, (10-i_13^0-n0 >= 0 /\ -1+n0 >= 0), cost: 2*n0 Applied instantiation Original rule: l1 -> l1 : i_21^0'=-1+i_13^0+n0, i_13^0'=i_13^0+n0, (10-i_13^0-n0 >= 0 /\ -1+n0 >= 0), cost: 2*n0 New rule: l1 -> l1 : i_21^0'=9, i_13^0'=10, (0 >= 0 /\ 9-i_13^0 >= 0), cost: 20-2*i_13^0 Applied simplification Original rule: l1 -> l1 : i_21^0'=9, i_13^0'=10, (0 >= 0 /\ 9-i_13^0 >= 0), cost: 20-2*i_13^0 New rule: l1 -> l1 : i_21^0'=9, i_13^0'=10, -9+i_13^0 <= 0, cost: 20-2*i_13^0 Applied deletion Removed the following rules: 12 Accelerated simple loops Start location: l6 14: l1 -> l1 : i_21^0'=9, i_13^0'=10, -9+i_13^0 <= 0, cost: 20-2*i_13^0 11: l6 -> l1 : i_13^0'=0, TRUE, cost: 2 Applied chaining First rule: l6 -> l1 : i_13^0'=0, TRUE, cost: 2 Second rule: l1 -> l1 : i_21^0'=9, i_13^0'=10, -9+i_13^0 <= 0, cost: 20-2*i_13^0 New rule: l6 -> l1 : i_21^0'=9, i_13^0'=10, -9 <= 0, cost: 22 Applied deletion Removed the following rules: 14 Chained accelerated rules with incoming rules Start location: l6 11: l6 -> l1 : i_13^0'=0, TRUE, cost: 2 15: l6 -> l1 : i_21^0'=9, i_13^0'=10, -9 <= 0, cost: 22 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