Robot: Loaded robot helper functions...
Constructing Delaunay triangulation by divide-and-conquer method.
  Sorting vertices.
  Forming triangulation.
  Removing ghost triangles.
Recovering segments in Delaunay triangulation.
    Constructing mapping from vertices to triangles.
  Recovering PSLG segments.
Internal error in finddirection():  Unable to find a
  triangle leading from (-3074.98999023, -1874.98999023) to  (-3074.98999023, 3074.98999023).
  Please report this bug to jrs@cs.berkeley.edu
  Include the message above, your input data set, and the exact
    command line you used to run Triangle.