Vertex 0: name="vertex_name0"
Vertex 1: name="vertex_name1"
Vertex 2: name="vertex_name2"
Vertex 3: name="vertex_name3"
Edge 0 (0-1): weight=12.3
Edge 1 (0-1): weight=NaN
Edge 2 (0-1): weight=NaN
Edge 3 (1-2): weight=NaN
Edge 4 (2-3): weight=-Inf
Edge 5 (3-0): weight=NaN

