unknown Initial ITS Start location: l6 Program variables: a_20^0 i_13^0 i_21^0 rt_11^0 st_14^0 0: l0 -> l1 : a_20^0'=a_20^post1, i_13^0'=i_13^post1, i_21^0'=i_21^post1, rt_11^0'=rt_11^post1, st_14^0'=st_14^post1, (-st_14^post1+st_14^0 == 0 /\ -rt_11^post1+rt_11^0 == 0 /\ i_13^post1 <= 0 /\ i_13^post1 == 0 /\ -a_20^post1+a_20^0 == 0 /\ i_21^0-i_21^post1 == 0 /\ -i_13^post1 <= 0), cost: 1 3: l1 -> l4 : a_20^0'=a_20^post4, i_13^0'=i_13^post4, i_21^0'=i_21^post4, rt_11^0'=rt_11^post4, st_14^0'=st_14^post4, (10-i_13^0 <= 0 /\ i_21^0-i_21^post4 == 0 /\ -a_20^post4+a_20^0 == 0 /\ -i_13^post4+i_13^0 == 0 /\ -st_14^post4+st_14^0 == 0 /\ -st_14^0+rt_11^post4 == 0), cost: 1 4: l1 -> l5 : a_20^0'=a_20^post5, i_13^0'=i_13^post5, i_21^0'=i_21^post5, rt_11^0'=rt_11^post5, st_14^0'=st_14^post5, (0 == 0 /\ -9+i_13^0 <= 0 /\ rt_11^0-rt_11^post5 == 0 /\ 1+i_21^post5-i_13^post5 <= 0 /\ -1-i_13^0+i_13^post5 == 0 /\ -st_14^post5+st_14^0 == 0 /\ -9+i_21^post5 <= 0 /\ -a_20^post5+a_20^0 == 0 /\ -1-i_21^post5+i_13^post5 <= 0), cost: 1 1: l2 -> l1 : a_20^0'=a_20^post2, i_13^0'=i_13^post2, i_21^0'=i_21^post2, rt_11^0'=rt_11^post2, st_14^0'=st_14^post2, (0 == 0 /\ -9+i_13^0 <= 0 /\ -1-i_13^0+i_13^1 == 0 /\ i_21^0-i_21^post2 == 0 /\ -2+i_13^post2 <= 0 /\ rt_11^0-rt_11^post2 == 0 /\ -st_14^post2+st_14^0 == 0 /\ -a_20^post2+i_13^post2 <= 0 /\ 2-i_13^post2 <= 0 /\ a_20^post2-i_13^post2 <= 0), cost: 1 2: l3 -> l1 : a_20^0'=a_20^post3, i_13^0'=i_13^post3, i_21^0'=i_21^post3, rt_11^0'=rt_11^post3, st_14^0'=st_14^post3, (-9+i_13^0 <= 0 /\ -a_20^post3+a_20^0 == 0 /\ rt_11^0-rt_11^post3 == 0 /\ -st_14^post3+st_14^0 == 0 /\ 1-i_13^post3 <= 0 /\ -1+i_13^post3 <= 0 /\ -i_21^post3+i_21^0 == 0 /\ -1-i_13^0+i_13^post3 == 0), cost: 1 5: l5 -> l1 : a_20^0'=a_20^post6, i_13^0'=i_13^post6, i_21^0'=i_21^post6, rt_11^0'=rt_11^post6, st_14^0'=st_14^post6, (-rt_11^post6+rt_11^0 == 0 /\ -i_13^post6+i_13^0 == 0 /\ i_21^0-i_21^post6 == 0 /\ -a_20^post6+a_20^0 == 0 /\ -st_14^post6+st_14^0 == 0), cost: 1 6: l6 -> l0 : a_20^0'=a_20^post7, i_13^0'=i_13^post7, i_21^0'=i_21^post7, rt_11^0'=rt_11^post7, st_14^0'=st_14^post7, (-i_21^post7+i_21^0 == 0 /\ i_13^0-i_13^post7 == 0 /\ -a_20^post7+a_20^0 == 0 /\ st_14^0-st_14^post7 == 0 /\ rt_11^0-rt_11^post7 == 0), cost: 1 Chained Linear Paths Start location: l6 Program variables: a_20^0 i_13^0 i_21^0 rt_11^0 st_14^0 3: l1 -> l4 : a_20^0'=a_20^post4, i_13^0'=i_13^post4, i_21^0'=i_21^post4, rt_11^0'=rt_11^post4, st_14^0'=st_14^post4, (10-i_13^0 <= 0 /\ i_21^0-i_21^post4 == 0 /\ -a_20^post4+a_20^0 == 0 /\ -i_13^post4+i_13^0 == 0 /\ -st_14^post4+st_14^0 == 0 /\ -st_14^0+rt_11^post4 == 0), cost: 1 8: l1 -> l1 : a_20^0'=a_20^post6, i_13^0'=i_13^post6, i_21^0'=i_21^post6, rt_11^0'=rt_11^post6, st_14^0'=st_14^post6, (0 == 0 /\ -9+i_13^0 <= 0 /\ -i_13^post6+i_13^post5 == 0 /\ rt_11^0-rt_11^post5 == 0 /\ -a_20^post6+a_20^post5 == 0 /\ 1+i_21^post5-i_13^post5 <= 0 /\ -1-i_13^0+i_13^post5 == 0 /\ -st_14^post5+st_14^0 == 0 /\ i_21^post5-i_21^post6 == 0 /\ -9+i_21^post5 <= 0 /\ -st_14^post6+st_14^post5 == 0 /\ -a_20^post5+a_20^0 == 0 /\ -1-i_21^post5+i_13^post5 <= 0 /\ -rt_11^post6+rt_11^post5 == 0), cost: 1 1: l2 -> l1 : a_20^0'=a_20^post2, i_13^0'=i_13^post2, i_21^0'=i_21^post2, rt_11^0'=rt_11^post2, st_14^0'=st_14^post2, (0 == 0 /\ -9+i_13^0 <= 0 /\ -1-i_13^0+i_13^1 == 0 /\ i_21^0-i_21^post2 == 0 /\ -2+i_13^post2 <= 0 /\ rt_11^0-rt_11^post2 == 0 /\ -st_14^post2+st_14^0 == 0 /\ -a_20^post2+i_13^post2 <= 0 /\ 2-i_13^post2 <= 0 /\ a_20^post2-i_13^post2 <= 0), cost: 1 2: l3 -> l1 : a_20^0'=a_20^post3, i_13^0'=i_13^post3, i_21^0'=i_21^post3, rt_11^0'=rt_11^post3, st_14^0'=st_14^post3, (-9+i_13^0 <= 0 /\ -a_20^post3+a_20^0 == 0 /\ rt_11^0-rt_11^post3 == 0 /\ -st_14^post3+st_14^0 == 0 /\ 1-i_13^post3 <= 0 /\ -1+i_13^post3 <= 0 /\ -i_21^post3+i_21^0 == 0 /\ -1-i_13^0+i_13^post3 == 0), cost: 1 7: l6 -> l1 : a_20^0'=a_20^post1, i_13^0'=i_13^post1, i_21^0'=i_21^post1, rt_11^0'=rt_11^post1, st_14^0'=st_14^post1, (-i_21^post7+i_21^0 == 0 /\ -a_20^post1+a_20^post7 == 0 /\ -rt_11^post1+rt_11^post7 == 0 /\ i_13^0-i_13^post7 == 0 /\ -a_20^post7+a_20^0 == 0 /\ i_13^post1 <= 0 /\ i_13^post1 == 0 /\ -st_14^post1+st_14^post7 == 0 /\ -i_13^post1 <= 0 /\ st_14^0-st_14^post7 == 0 /\ rt_11^0-rt_11^post7 == 0 /\ i_21^post7-i_21^post1 == 0), cost: 1 Eliminating location l0 by chaining: Applied chaining First rule: l6 -> l0 : a_20^0'=a_20^post7, i_13^0'=i_13^post7, i_21^0'=i_21^post7, rt_11^0'=rt_11^post7, st_14^0'=st_14^post7, (-i_21^post7+i_21^0 == 0 /\ i_13^0-i_13^post7 == 0 /\ -a_20^post7+a_20^0 == 0 /\ st_14^0-st_14^post7 == 0 /\ rt_11^0-rt_11^post7 == 0), cost: 1 Second rule: l0 -> l1 : a_20^0'=a_20^post1, i_13^0'=i_13^post1, i_21^0'=i_21^post1, rt_11^0'=rt_11^post1, st_14^0'=st_14^post1, (-st_14^post1+st_14^0 == 0 /\ -rt_11^post1+rt_11^0 == 0 /\ i_13^post1 <= 0 /\ i_13^post1 == 0 /\ -a_20^post1+a_20^0 == 0 /\ i_21^0-i_21^post1 == 0 /\ -i_13^post1 <= 0), cost: 1 New rule: l6 -> l1 : a_20^0'=a_20^post1, i_13^0'=i_13^post1, i_21^0'=i_21^post1, rt_11^0'=rt_11^post1, st_14^0'=st_14^post1, (-i_21^post7+i_21^0 == 0 /\ -a_20^post1+a_20^post7 == 0 /\ -rt_11^post1+rt_11^post7 == 0 /\ i_13^0-i_13^post7 == 0 /\ -a_20^post7+a_20^0 == 0 /\ i_13^post1 <= 0 /\ i_13^post1 == 0 /\ -st_14^post1+st_14^post7 == 0 /\ -i_13^post1 <= 0 /\ st_14^0-st_14^post7 == 0 /\ rt_11^0-rt_11^post7 == 0 /\ i_21^post7-i_21^post1 == 0), cost: 1 Applied deletion Removed the following rules: 0 6 Eliminating location l5 by chaining: Applied chaining First rule: l1 -> l5 : a_20^0'=a_20^post5, i_13^0'=i_13^post5, i_21^0'=i_21^post5, rt_11^0'=rt_11^post5, st_14^0'=st_14^post5, (0 == 0 /\ -9+i_13^0 <= 0 /\ rt_11^0-rt_11^post5 == 0 /\ 1+i_21^post5-i_13^post5 <= 0 /\ -1-i_13^0+i_13^post5 == 0 /\ -st_14^post5+st_14^0 == 0 /\ -9+i_21^post5 <= 0 /\ -a_20^post5+a_20^0 == 0 /\ -1-i_21^post5+i_13^post5 <= 0), cost: 1 Second rule: l5 -> l1 : a_20^0'=a_20^post6, i_13^0'=i_13^post6, i_21^0'=i_21^post6, rt_11^0'=rt_11^post6, st_14^0'=st_14^post6, (-rt_11^post6+rt_11^0 == 0 /\ -i_13^post6+i_13^0 == 0 /\ i_21^0-i_21^post6 == 0 /\ -a_20^post6+a_20^0 == 0 /\ -st_14^post6+st_14^0 == 0), cost: 1 New rule: l1 -> l1 : a_20^0'=a_20^post6, i_13^0'=i_13^post6, i_21^0'=i_21^post6, rt_11^0'=rt_11^post6, st_14^0'=st_14^post6, (0 == 0 /\ -9+i_13^0 <= 0 /\ -i_13^post6+i_13^post5 == 0 /\ rt_11^0-rt_11^post5 == 0 /\ -a_20^post6+a_20^post5 == 0 /\ 1+i_21^post5-i_13^post5 <= 0 /\ -1-i_13^0+i_13^post5 == 0 /\ -st_14^post5+st_14^0 == 0 /\ i_21^post5-i_21^post6 == 0 /\ -9+i_21^post5 <= 0 /\ -st_14^post6+st_14^post5 == 0 /\ -a_20^post5+a_20^0 == 0 /\ -1-i_21^post5+i_13^post5 <= 0 /\ -rt_11^post6+rt_11^post5 == 0), cost: 1 Applied deletion Removed the following rules: 4 5 Simplified Transitions Start location: l6 Program variables: a_20^0 i_13^0 i_21^0 rt_11^0 st_14^0 11: l1 -> l4 : rt_11^0'=st_14^0, 10-i_13^0 <= 0, cost: 1 13: l1 -> l1 : i_13^0'=1+i_13^0, i_21^0'=i_13^0, -9+i_13^0 <= 0, cost: 1 9: l2 -> l1 : a_20^0'=2, i_13^0'=2, -9+i_13^0 <= 0, cost: 1 10: l3 -> l1 : i_13^0'=1, (-9+i_13^0 <= 0 /\ -i_13^0 == 0), cost: 1 12: l6 -> l1 : i_13^0'=0, T, cost: 1 made implied equalities explicit Original rule: l2 -> l1 : a_20^0'=a_20^post2, i_13^0'=i_13^post2, i_21^0'=i_21^post2, rt_11^0'=rt_11^post2, st_14^0'=st_14^post2, (0 == 0 /\ -9+i_13^0 <= 0 /\ -1-i_13^0+i_13^1 == 0 /\ i_21^0-i_21^post2 == 0 /\ -2+i_13^post2 <= 0 /\ rt_11^0-rt_11^post2 == 0 /\ -st_14^post2+st_14^0 == 0 /\ -a_20^post2+i_13^post2 <= 0 /\ 2-i_13^post2 <= 0 /\ a_20^post2-i_13^post2 <= 0), cost: 1 New rule: l2 -> l1 : a_20^0'=a_20^post2, i_13^0'=i_13^post2, i_21^0'=i_21^post2, rt_11^0'=rt_11^post2, st_14^0'=st_14^post2, (0 == 0 /\ -9+i_13^0 <= 0 /\ -1-i_13^0+i_13^1 == 0 /\ i_21^0-i_21^post2 == 0 /\ -2+i_13^post2 <= 0 /\ -2+i_13^post2 == 0 /\ rt_11^0-rt_11^post2 == 0 /\ -st_14^post2+st_14^0 == 0 /\ -a_20^post2+i_13^post2 <= 0 /\ -a_20^post2+i_13^post2 == 0 /\ 2-i_13^post2 <= 0 /\ a_20^post2-i_13^post2 <= 0), cost: 1 Propagated Equalities Original rule: l2 -> l1 : a_20^0'=a_20^post2, i_13^0'=i_13^post2, i_21^0'=i_21^post2, rt_11^0'=rt_11^post2, st_14^0'=st_14^post2, (0 == 0 /\ -9+i_13^0 <= 0 /\ -1-i_13^0+i_13^1 == 0 /\ i_21^0-i_21^post2 == 0 /\ -2+i_13^post2 <= 0 /\ -2+i_13^post2 == 0 /\ rt_11^0-rt_11^post2 == 0 /\ -st_14^post2+st_14^0 == 0 /\ -a_20^post2+i_13^post2 <= 0 /\ -a_20^post2+i_13^post2 == 0 /\ 2-i_13^post2 <= 0 /\ a_20^post2-i_13^post2 <= 0), cost: 1 New rule: l2 -> l1 : a_20^0'=2, i_13^0'=2, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (0 <= 0 /\ 0 == 0 /\ -9+i_13^0 <= 0 /\ -1-i_13^0+i_13^1 == 0), cost: 1 propagated equality i_21^post2 = i_21^0 propagated equality i_13^post2 = 2 propagated equality rt_11^post2 = rt_11^0 propagated equality st_14^post2 = st_14^0 propagated equality a_20^post2 = 2 Propagated Equalities Original rule: l2 -> l1 : a_20^0'=2, i_13^0'=2, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (0 <= 0 /\ 0 == 0 /\ -9+i_13^0 <= 0 /\ -1-i_13^0+i_13^1 == 0), cost: 1 New rule: l2 -> l1 : a_20^0'=2, i_13^0'=2, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (0 <= 0 /\ 0 == 0 /\ -9+i_13^0 <= 0), cost: 1 propagated equality i_13^1 = 1+i_13^0 Simplified Guard Original rule: l2 -> l1 : a_20^0'=2, i_13^0'=2, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (0 <= 0 /\ 0 == 0 /\ -9+i_13^0 <= 0), cost: 1 New rule: l2 -> l1 : a_20^0'=2, i_13^0'=2, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, -9+i_13^0 <= 0, cost: 1 Removed Trivial Updates Original rule: l2 -> l1 : a_20^0'=2, i_13^0'=2, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, -9+i_13^0 <= 0, cost: 1 New rule: l2 -> l1 : a_20^0'=2, i_13^0'=2, -9+i_13^0 <= 0, cost: 1 made implied equalities explicit Original rule: l3 -> l1 : a_20^0'=a_20^post3, i_13^0'=i_13^post3, i_21^0'=i_21^post3, rt_11^0'=rt_11^post3, st_14^0'=st_14^post3, (-9+i_13^0 <= 0 /\ -a_20^post3+a_20^0 == 0 /\ rt_11^0-rt_11^post3 == 0 /\ -st_14^post3+st_14^0 == 0 /\ 1-i_13^post3 <= 0 /\ -1+i_13^post3 <= 0 /\ -i_21^post3+i_21^0 == 0 /\ -1-i_13^0+i_13^post3 == 0), cost: 1 New rule: l3 -> l1 : a_20^0'=a_20^post3, i_13^0'=i_13^post3, i_21^0'=i_21^post3, rt_11^0'=rt_11^post3, st_14^0'=st_14^post3, (-9+i_13^0 <= 0 /\ -a_20^post3+a_20^0 == 0 /\ rt_11^0-rt_11^post3 == 0 /\ -st_14^post3+st_14^0 == 0 /\ 1-i_13^post3 <= 0 /\ 1-i_13^post3 == 0 /\ -1+i_13^post3 <= 0 /\ -i_21^post3+i_21^0 == 0 /\ -1-i_13^0+i_13^post3 == 0), cost: 1 Propagated Equalities Original rule: l3 -> l1 : a_20^0'=a_20^post3, i_13^0'=i_13^post3, i_21^0'=i_21^post3, rt_11^0'=rt_11^post3, st_14^0'=st_14^post3, (-9+i_13^0 <= 0 /\ -a_20^post3+a_20^0 == 0 /\ rt_11^0-rt_11^post3 == 0 /\ -st_14^post3+st_14^0 == 0 /\ 1-i_13^post3 <= 0 /\ 1-i_13^post3 == 0 /\ -1+i_13^post3 <= 0 /\ -i_21^post3+i_21^0 == 0 /\ -1-i_13^0+i_13^post3 == 0), cost: 1 New rule: l3 -> l1 : a_20^0'=a_20^0, i_13^0'=1, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (0 <= 0 /\ 0 == 0 /\ -9+i_13^0 <= 0 /\ -i_13^0 == 0), cost: 1 propagated equality a_20^post3 = a_20^0 propagated equality rt_11^post3 = rt_11^0 propagated equality st_14^post3 = st_14^0 propagated equality i_13^post3 = 1 propagated equality i_21^post3 = i_21^0 Simplified Guard Original rule: l3 -> l1 : a_20^0'=a_20^0, i_13^0'=1, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (0 <= 0 /\ 0 == 0 /\ -9+i_13^0 <= 0 /\ -i_13^0 == 0), cost: 1 New rule: l3 -> l1 : a_20^0'=a_20^0, i_13^0'=1, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (-9+i_13^0 <= 0 /\ -i_13^0 == 0), cost: 1 Removed Trivial Updates Original rule: l3 -> l1 : a_20^0'=a_20^0, i_13^0'=1, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (-9+i_13^0 <= 0 /\ -i_13^0 == 0), cost: 1 New rule: l3 -> l1 : i_13^0'=1, (-9+i_13^0 <= 0 /\ -i_13^0 == 0), cost: 1 Propagated Equalities Original rule: l1 -> l4 : a_20^0'=a_20^post4, i_13^0'=i_13^post4, i_21^0'=i_21^post4, rt_11^0'=rt_11^post4, st_14^0'=st_14^post4, (10-i_13^0 <= 0 /\ i_21^0-i_21^post4 == 0 /\ -a_20^post4+a_20^0 == 0 /\ -i_13^post4+i_13^0 == 0 /\ -st_14^post4+st_14^0 == 0 /\ -st_14^0+rt_11^post4 == 0), cost: 1 New rule: l1 -> l4 : a_20^0'=a_20^0, i_13^0'=i_13^0, i_21^0'=i_21^0, rt_11^0'=st_14^0, st_14^0'=st_14^0, (0 == 0 /\ 10-i_13^0 <= 0), cost: 1 propagated equality i_21^post4 = i_21^0 propagated equality a_20^post4 = a_20^0 propagated equality i_13^post4 = i_13^0 propagated equality st_14^post4 = st_14^0 propagated equality rt_11^post4 = st_14^0 Simplified Guard Original rule: l1 -> l4 : a_20^0'=a_20^0, i_13^0'=i_13^0, i_21^0'=i_21^0, rt_11^0'=st_14^0, st_14^0'=st_14^0, (0 == 0 /\ 10-i_13^0 <= 0), cost: 1 New rule: l1 -> l4 : a_20^0'=a_20^0, i_13^0'=i_13^0, i_21^0'=i_21^0, rt_11^0'=st_14^0, st_14^0'=st_14^0, 10-i_13^0 <= 0, cost: 1 Removed Trivial Updates Original rule: l1 -> l4 : a_20^0'=a_20^0, i_13^0'=i_13^0, i_21^0'=i_21^0, rt_11^0'=st_14^0, st_14^0'=st_14^0, 10-i_13^0 <= 0, cost: 1 New rule: l1 -> l4 : rt_11^0'=st_14^0, 10-i_13^0 <= 0, cost: 1 made implied equalities explicit Original rule: l6 -> l1 : a_20^0'=a_20^post1, i_13^0'=i_13^post1, i_21^0'=i_21^post1, rt_11^0'=rt_11^post1, st_14^0'=st_14^post1, (-i_21^post7+i_21^0 == 0 /\ -a_20^post1+a_20^post7 == 0 /\ -rt_11^post1+rt_11^post7 == 0 /\ i_13^0-i_13^post7 == 0 /\ -a_20^post7+a_20^0 == 0 /\ i_13^post1 <= 0 /\ i_13^post1 == 0 /\ -st_14^post1+st_14^post7 == 0 /\ -i_13^post1 <= 0 /\ st_14^0-st_14^post7 == 0 /\ rt_11^0-rt_11^post7 == 0 /\ i_21^post7-i_21^post1 == 0), cost: 1 New rule: l6 -> l1 : a_20^0'=a_20^post1, i_13^0'=i_13^post1, i_21^0'=i_21^post1, rt_11^0'=rt_11^post1, st_14^0'=st_14^post1, (-i_21^post7+i_21^0 == 0 /\ -a_20^post1+a_20^post7 == 0 /\ -rt_11^post1+rt_11^post7 == 0 /\ i_13^0-i_13^post7 == 0 /\ -a_20^post7+a_20^0 == 0 /\ i_13^post1 <= 0 /\ i_13^post1 == 0 /\ -st_14^post1+st_14^post7 == 0 /\ -i_13^post1 <= 0 /\ st_14^0-st_14^post7 == 0 /\ rt_11^0-rt_11^post7 == 0 /\ i_21^post7-i_21^post1 == 0), cost: 1 Propagated Equalities Original rule: l6 -> l1 : a_20^0'=a_20^post1, i_13^0'=i_13^post1, i_21^0'=i_21^post1, rt_11^0'=rt_11^post1, st_14^0'=st_14^post1, (-i_21^post7+i_21^0 == 0 /\ -a_20^post1+a_20^post7 == 0 /\ -rt_11^post1+rt_11^post7 == 0 /\ i_13^0-i_13^post7 == 0 /\ -a_20^post7+a_20^0 == 0 /\ i_13^post1 <= 0 /\ i_13^post1 == 0 /\ -st_14^post1+st_14^post7 == 0 /\ -i_13^post1 <= 0 /\ st_14^0-st_14^post7 == 0 /\ rt_11^0-rt_11^post7 == 0 /\ i_21^post7-i_21^post1 == 0), cost: 1 New rule: l6 -> l1 : a_20^0'=a_20^post7, i_13^0'=0, i_21^0'=i_21^post7, rt_11^0'=rt_11^post7, st_14^0'=st_14^post7, (0 <= 0 /\ 0 == 0 /\ -i_21^post7+i_21^0 == 0 /\ i_13^0-i_13^post7 == 0 /\ -a_20^post7+a_20^0 == 0 /\ st_14^0-st_14^post7 == 0 /\ rt_11^0-rt_11^post7 == 0), cost: 1 propagated equality a_20^post1 = a_20^post7 propagated equality rt_11^post1 = rt_11^post7 propagated equality i_13^post1 = 0 propagated equality st_14^post1 = st_14^post7 propagated equality i_21^post1 = i_21^post7 Propagated Equalities Original rule: l6 -> l1 : a_20^0'=a_20^post7, i_13^0'=0, i_21^0'=i_21^post7, rt_11^0'=rt_11^post7, st_14^0'=st_14^post7, (0 <= 0 /\ 0 == 0 /\ -i_21^post7+i_21^0 == 0 /\ i_13^0-i_13^post7 == 0 /\ -a_20^post7+a_20^0 == 0 /\ st_14^0-st_14^post7 == 0 /\ rt_11^0-rt_11^post7 == 0), cost: 1 New rule: l6 -> l1 : a_20^0'=a_20^0, i_13^0'=0, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (0 <= 0 /\ 0 == 0), cost: 1 propagated equality i_21^post7 = i_21^0 propagated equality i_13^post7 = i_13^0 propagated equality a_20^post7 = a_20^0 propagated equality st_14^post7 = st_14^0 propagated equality rt_11^post7 = rt_11^0 Simplified Guard Original rule: l6 -> l1 : a_20^0'=a_20^0, i_13^0'=0, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (0 <= 0 /\ 0 == 0), cost: 1 New rule: l6 -> l1 : a_20^0'=a_20^0, i_13^0'=0, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, T, cost: 1 Removed Trivial Updates Original rule: l6 -> l1 : a_20^0'=a_20^0, i_13^0'=0, i_21^0'=i_21^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, T, cost: 1 New rule: l6 -> l1 : i_13^0'=0, T, cost: 1 made implied equalities explicit Original rule: l1 -> l1 : a_20^0'=a_20^post6, i_13^0'=i_13^post6, i_21^0'=i_21^post6, rt_11^0'=rt_11^post6, st_14^0'=st_14^post6, (0 == 0 /\ -9+i_13^0 <= 0 /\ -i_13^post6+i_13^post5 == 0 /\ rt_11^0-rt_11^post5 == 0 /\ -a_20^post6+a_20^post5 == 0 /\ 1+i_21^post5-i_13^post5 <= 0 /\ -1-i_13^0+i_13^post5 == 0 /\ -st_14^post5+st_14^0 == 0 /\ i_21^post5-i_21^post6 == 0 /\ -9+i_21^post5 <= 0 /\ -st_14^post6+st_14^post5 == 0 /\ -a_20^post5+a_20^0 == 0 /\ -1-i_21^post5+i_13^post5 <= 0 /\ -rt_11^post6+rt_11^post5 == 0), cost: 1 New rule: l1 -> l1 : a_20^0'=a_20^post6, i_13^0'=i_13^post6, i_21^0'=i_21^post6, rt_11^0'=rt_11^post6, st_14^0'=st_14^post6, (0 == 0 /\ -9+i_13^0 <= 0 /\ -i_13^post6+i_13^post5 == 0 /\ rt_11^0-rt_11^post5 == 0 /\ -a_20^post6+a_20^post5 == 0 /\ 1+i_21^post5-i_13^post5 <= 0 /\ 1+i_21^post5-i_13^post5 == 0 /\ -1-i_13^0+i_13^post5 == 0 /\ -st_14^post5+st_14^0 == 0 /\ i_21^post5-i_21^post6 == 0 /\ -9+i_21^post5 <= 0 /\ -st_14^post6+st_14^post5 == 0 /\ -a_20^post5+a_20^0 == 0 /\ -1-i_21^post5+i_13^post5 <= 0 /\ -rt_11^post6+rt_11^post5 == 0), cost: 1 Propagated Equalities Original rule: l1 -> l1 : a_20^0'=a_20^post6, i_13^0'=i_13^post6, i_21^0'=i_21^post6, rt_11^0'=rt_11^post6, st_14^0'=st_14^post6, (0 == 0 /\ -9+i_13^0 <= 0 /\ -i_13^post6+i_13^post5 == 0 /\ rt_11^0-rt_11^post5 == 0 /\ -a_20^post6+a_20^post5 == 0 /\ 1+i_21^post5-i_13^post5 <= 0 /\ 1+i_21^post5-i_13^post5 == 0 /\ -1-i_13^0+i_13^post5 == 0 /\ -st_14^post5+st_14^0 == 0 /\ i_21^post5-i_21^post6 == 0 /\ -9+i_21^post5 <= 0 /\ -st_14^post6+st_14^post5 == 0 /\ -a_20^post5+a_20^0 == 0 /\ -1-i_21^post5+i_13^post5 <= 0 /\ -rt_11^post6+rt_11^post5 == 0), cost: 1 New rule: l1 -> l1 : a_20^0'=a_20^post5, i_13^0'=i_13^post5, i_21^0'=i_21^post5, rt_11^0'=rt_11^post5, st_14^0'=st_14^post5, (0 == 0 /\ -9+i_13^0 <= 0 /\ rt_11^0-rt_11^post5 == 0 /\ 1+i_21^post5-i_13^post5 <= 0 /\ 1+i_21^post5-i_13^post5 == 0 /\ -1-i_13^0+i_13^post5 == 0 /\ -st_14^post5+st_14^0 == 0 /\ -9+i_21^post5 <= 0 /\ -a_20^post5+a_20^0 == 0 /\ -1-i_21^post5+i_13^post5 <= 0), cost: 1 propagated equality i_13^post6 = i_13^post5 propagated equality a_20^post6 = a_20^post5 propagated equality i_21^post6 = i_21^post5 propagated equality st_14^post6 = st_14^post5 propagated equality rt_11^post6 = rt_11^post5 Propagated Equalities Original rule: l1 -> l1 : a_20^0'=a_20^post5, i_13^0'=i_13^post5, i_21^0'=i_21^post5, rt_11^0'=rt_11^post5, st_14^0'=st_14^post5, (0 == 0 /\ -9+i_13^0 <= 0 /\ rt_11^0-rt_11^post5 == 0 /\ 1+i_21^post5-i_13^post5 <= 0 /\ 1+i_21^post5-i_13^post5 == 0 /\ -1-i_13^0+i_13^post5 == 0 /\ -st_14^post5+st_14^0 == 0 /\ -9+i_21^post5 <= 0 /\ -a_20^post5+a_20^0 == 0 /\ -1-i_21^post5+i_13^post5 <= 0), cost: 1 New rule: l1 -> l1 : a_20^0'=a_20^0, i_13^0'=1+i_13^0, i_21^0'=i_13^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (0 <= 0 /\ 0 == 0 /\ -9+i_13^0 <= 0), cost: 1 propagated equality rt_11^post5 = rt_11^0 propagated equality i_13^post5 = 1+i_21^post5 propagated equality i_21^post5 = i_13^0 propagated equality st_14^post5 = st_14^0 propagated equality a_20^post5 = a_20^0 Simplified Guard Original rule: l1 -> l1 : a_20^0'=a_20^0, i_13^0'=1+i_13^0, i_21^0'=i_13^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, (0 <= 0 /\ 0 == 0 /\ -9+i_13^0 <= 0), cost: 1 New rule: l1 -> l1 : a_20^0'=a_20^0, i_13^0'=1+i_13^0, i_21^0'=i_13^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, -9+i_13^0 <= 0, cost: 1 Removed Trivial Updates Original rule: l1 -> l1 : a_20^0'=a_20^0, i_13^0'=1+i_13^0, i_21^0'=i_13^0, rt_11^0'=rt_11^0, st_14^0'=st_14^0, -9+i_13^0 <= 0, cost: 1 New rule: l1 -> l1 : i_13^0'=1+i_13^0, i_21^0'=i_13^0, -9+i_13^0 <= 0, cost: 1 Step with 12 Trace 12[T] Blocked [{}, {}] Step with 13 Trace 12[T], 13[(-9+i_13^0 <= 0)] Blocked [{}, {11[T]}, {}] Accelerate Start location: l6 Program variables: a_20^0 i_13^0 i_21^0 rt_11^0 st_14^0 11: l1 -> l4 : rt_11^0'=st_14^0, 10-i_13^0 <= 0, cost: 1 13: l1 -> l1 : i_13^0'=1+i_13^0, i_21^0'=i_13^0, -9+i_13^0 <= 0, cost: 1 14: l1 -> l1 : i_13^0'=n+i_13^0, i_21^0'=-1+n+i_13^0, (10-n-i_13^0 >= 0 /\ -1+n >= 0), cost: 1 9: l2 -> l1 : a_20^0'=2, i_13^0'=2, -9+i_13^0 <= 0, cost: 1 10: l3 -> l1 : i_13^0'=1, (-9+i_13^0 <= 0 /\ -i_13^0 == 0), cost: 1 12: l6 -> l1 : i_13^0'=0, T, cost: 1 Loop Acceleration Original rule: l1 -> l1 : i_13^0'=1+i_13^0, i_21^0'=i_13^0, (-9+i_13^0 <= 0), cost: 1 New rule: l1 -> l1 : i_13^0'=n+i_13^0, i_21^0'=-1+n+i_13^0, (10-n-i_13^0 >= 0 /\ -1+n >= 0), cost: 1 9-i_13^0 >= 0 [0]: montonic decrease yields 10-n-i_13^0 >= 0 9-i_13^0 >= 0 [1]: eventual increase yields (1 <= 0 /\ 9-i_13^0 >= 0) Replacement map: {9-i_13^0 >= 0 -> 10-n-i_13^0 >= 0} Trace 12[T], 14[(10-n-i_13^0 >= 0 /\ -1+n >= 0)] Blocked [{}, {11[T]}, {13[T], 14[T]}] Step with 11 Trace 12[T], 14[(10-n-i_13^0 >= 0 /\ -1+n >= 0)], 11[(10-i_13^0 <= 0)] Blocked [{}, {11[T]}, {13[T], 14[T]}, {}] Backtrack Trace 12[T], 14[(10-n-i_13^0 >= 0 /\ -1+n >= 0)] Blocked [{}, {11[T]}, {11[T], 13[T], 14[T]}] Backtrack Trace 12[T] Blocked [{}, {11[T], 14[T]}] Step with 13 Trace 12[T], 13[(-9+i_13^0 <= 0)] Blocked [{}, {11[T], 14[T]}, {}] Covered Trace 12[T] Blocked [{}, {11[T], 13[T], 14[T]}] Backtrack Trace Blocked [{12[T]}] Accept unknown Build SHA: a05f16bf13df659c382799650051f91bf6828c7b