[alaserpgo-4] process has died

[1461891375]

When a closed loop is detected, the node terminates and reports an error

[Not loop] Nearest distance: 0.793 btn 124 and 0.
[Not loop] Nearest distance: 0.601 btn 127 and 69.
[Not loop] Nearest distance: 0.264 btn 132 and 15.
[Loop found] Nearest distance: 0.159 btn 135 and 18.
Loop detected! - between 18 and 135
[alaserPGO-4] process has died [pid 14606, exit code -11, cmd /home/czk/1FINAL/devel/lib/aloam_velodyne/alaserPGO /velodyne_points:=/velodyne_points __name:=alaserPGO __log:=/home/czk/ros_log/1e1d9d74-47fb-11f0-b475-07f9517a7046/alaserPGO-4.log].
log file: /home/czk/ros_log/1e1d9d74-47fb-11f0-b475-07f9517a7046/alaserPGO-4*.log