#0  0x0005563c in Vec3f::operator- (this=0xbfffd924, o=@0x429f0025) at Utilities/vec3f.cpp:82
#1  0x00012500 in AIController::avoidObstacle (this=0x4d8fe0) at Agents/ai.cpp:504
#2  0x0001542c in AIController::run (this=0x4d8fe0) at Agents/ai.cpp:616
#3  0x000154ec in AIManager::run (this=0x80f40) at Agents/ai.cpp:655
#4  0x000320c0 in Scheduler::soloLoopForever (this=0x80f5c) at Engine/scheduler.cpp:73
#5  0x00023740 in SDL_main (argc=3, argv=0x416ea0) at Engine/racer.cpp:153
#6  0x0005b5cc in -[SDLMain applicationDidFinishLaunching:] () at iostream:76
#7  0x949b8688 in _nsnote_callback ()
#8  0x94df843c in _CFXNotificationPostNotification ()
#9  0x949b5dc4 in -[NSNotificationCenter postNotificationName:object:userInfo:] ()
#10 0x9519c858 in -[NSApplication _postDidFinishNotification] ()
#11 0x9519c770 in -[NSApplication _sendFinishLaunchingNotification] ()
#12 0x95124114 in -[NSApplication(NSAppleEventHandling) _handleAEOpen:] ()
#13 0x9512394c in -[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:] ()
#14 0x949d9008 in -[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:] ()
#15 0x949d8ddc in _NSAppleEventManagerGenericHandler ()
#16 0x90005ce4 in aeDispatchAppleEvent ()
#17 0x90005bec in dispatchEventAndSendReply ()
#18 0x900059f0 in aeProcessAppleEvent ()
#19 0x92d1b410 in AEProcessAppleEvent ()
#20 0x95121478 in _DPSNextEvent ()
#21 0x95120c00 in -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] ()
#22 0x9511a8a0 in -[NSApplication run] ()
#23 0x0005bc04 in main () at iostream:76