Thread 1 "tagslam_node" received signal SIGINT, Interrupt.
0x00007ffff6e7e8e9 in gtsam::BayesTreeCliqueBase<gtsam::ISAM2Clique, gtsam::GaussianFactorGraph>::deleteCachedShortcuts() () from /lib/x86_64-linux-gnu/libgtsam.so.4
(gdb) where
#0 0x00007ffff6e7e8e9 in gtsam::BayesTreeCliqueBase<gtsam::ISAM2Clique, gtsam::GaussianFactorGraph>::deleteCachedShortcuts() () from /lib/x86_64-linux-gnu/libgtsam.so.4
#1 0x00007ffff6e736b9 in gtsam::BayesTree<gtsam::ISAM2Clique>::removeTop(std::vector<unsigned long, tbb::tbb_allocator<unsigned long> > const&, gtsam::GaussianBayesNet*, gtsam::FastList<boost::shared_ptr<gtsam::ISAM2Clique> >*) () from /lib/x86_64-linux-gnu/libgtsam.so.4
#2 0x00007ffff6e606d5 in gtsam::ISAM2::recalculate(gtsam::ISAM2UpdateParams const&, gtsam::FastSet<unsigned long> const&, gtsam::ISAM2Result*) () from /lib/x86_64-linux-gnu/libgtsam.so.4
#3 0x00007ffff6e62165 in gtsam::ISAM2::update(gtsam::NonlinearFactorGraph const&, gtsam::Values const&, gtsam::ISAM2UpdateParams const&) () from /lib/x86_64-linux-gnu/libgtsam.so.4
#4 0x00007ffff6e60d16 in gtsam::ISAM2::update(gtsam::NonlinearFactorGraph const&, gtsam::Values const&, std::vector<unsigned long, tbb::tbb_allocator<unsigned long> > const&, boost::optional<gtsam::FastMap<unsigned long, int> > const&, boost::optional<gtsam::FastList<unsigned long> > const&, boost::optional<gtsam::FastList<unsigned long> > const&, bool) () from /lib/x86_64-linux-gnu/libgtsam.so.4