| Variable | Enabling Range | State Transformation | Remarks |
|---|---|---|---|
| State of node 0(node0_state) | = 1 | not modified | Action occurs at full range of values! |
| Number of packets dropped by node 0(node0_dropped) | = 0 | not modified | Action occurs at full range of values! |
| Number of packets received by node 0(node0_received) | = 0 | not modified | |
| Number of packets sent by node 0(node0_sent) | = 0 | v'=v+1 | |
| The state of the link from node 0 to node -1(0L-1_state) | = 1 | not modified | Action occurs at full range of values! |