Minimum distance 4.191115

                                         Minimum distance 4.190969

                                                                   Minimum distance 4.188169

  Minimum distance 4.190690

      Minimum distance 4.190304

                                Minimum distance 4.190628

                                                          Minimum distance 4.189540

Console output when the output formatting breaks

process[twist_mux-11]: started with pid [8118]
process[spawn_husky_model-12]: started with pid [8142]
[ INFO] [1524064476.680043681]: [twist_marker_server] Initialized.
[WARN] [1524064476.925794, 0.000000]: DEPRECATION warning: --shutdown-timeout has no effect.
[ INFO] [1524064476.985947174]: Finished loading Gazebo ROS API Plugin.
[ INFO] [1524064476.988022291]: waitForService: Service [/gazebo/set_physics_properties] has not been advertised, waiting...
libGL error: failed to create drawable
                                      [ INFO] [1524064478.110975520, 0.022000000]: waitForService: Service [/gazebo/set_physics_properties] is now available.
                                                                                                                                                             [ INFO] [1524064478.189070053, 0.072000000]: Physics dynamic reconfigure ready.
                                Warning [parser_urdf.cc:1232] multiple inconsistent <gravity> exists due to fixed joint reduction overwriting previous value [true] with [false].
                                                                                                                                                                                 [ INFO] [1524064479.110225758, 0.282000000]: Laser Plugin: Using the 'robotNamespace' param: '/'

The code snippet

void HuskyHighlevelController::subscriberCallback(const sensor_msgs::LaserScan::ConstPtr &msg){
    min_dist = msg->ranges[0];
    for (int i = 0; i < msg->ranges.size(); i++){
        float r = msg->ranges[i];
        if (r<min_dist){
            min_dist = r;
        }
    }
    ROS_INFO_STREAM("Minimum distance :" << min_dist);
}