#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007f49a6934801 in __GI_abort () at abort.c:79
#2  0x00007f49a73278fb in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3  0x00007f49a732dd3a in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007f49a732dd95 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#5  0x00007f49a732ebd3 in __cxa_pure_virtual () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x000000000098bfb2 in Physics::addKart(AbstractKart const*) ()
#7  0x000000000089d5ed in AbstractKartAnimation::~AbstractKartAnimation() ()
#8  0x00000000008dcab9 in RescueAnimation::~RescueAnimation() ()
#9  0x000000000089d082 in AbstractKart::~AbstractKart() ()
#10 0x00000000008da0dd in KartRewinder::~KartRewinder() ()
#11 0x0000000000910e78 in World::~World() ()
#12 0x0000000000907909 in StandardRace::~StandardRace() ()
#13 0x00000000009994e9 in RaceManager::exitRace(bool) ()
#14 0x0000000000a80933 in RaceResultGUI::backToLobby() ()
#15 0x0000000000923438 in ClientLobby::notifyEvent(Event*) ()
#16 0x000000000091fdb3 in ProtocolManager::OneProtocolType::notifyEvent(Event*) ()
#17 0x000000000091fe65 in ProtocolManager::sendEvent(Event*) ()
#18 0x00000000009200dd in ProtocolManager::update(int) ()
#19 0x00000000008f048f in MainLoop::run() ()
#20 0x00000000008ec821 in main ()