> [0.000000] [mc_global/INFO] Counter-example execution trace:
> [0.000000] [mc_global/INFO] 1: iSend(mbox=2)
> [0.000000] [mc_global/INFO] 2: iSend(mbox=0)
> [0.000000] [mc_global/INFO] Counter-example execution trace:
> [0.000000] [mc_global/INFO] 1: iSend(mbox=2)
> [0.000000] [mc_global/INFO] 2: iSend(mbox=0)
> [0.000000] [mc_dfs/INFO] DFS exploration ended. 3 unique states visited; 1 backtracks (3 transition replays, 0 states visited overall)
> Execution failed with code 3.
> [0.000000] [mc_dfs/INFO] DFS exploration ended. 3 unique states visited; 1 backtracks (3 transition replays, 0 states visited overall)
> Execution failed with code 3.