Runguard: warning: timelimit exceeded (wall time): aborting command runguard: warning: command terminated with signal 15

Link to code-> https://ide.codingblocks.com/s/485153
Single Source Shortest Path

Error: runguard: warning: timelimit exceeded (wall time): aborting command
runguard: warning: command terminated with signal 15

My code is literally the same as taught in the video