Allocate graph: V=5000000 E=12500000 flag = 1
Total time: 28.81  Section time: 28.81  (Reading graph from file)
Generated graph: G->V = 5000000  G->E = 9994000
Total time: 28.86  Section time: 0.05  (Making adjacency lists for the graph)
Running Kruskal... 
Total time: 44.02  Section time: 15.16  (First Kruskal)
Total time: 44.05  Section time: 0.03  (Resetting tree struct)
Total time: 57.14  Section time: 13.09  (Second Kruskal)
Nodes: 5000000  Edges: 5000000
MST weight = 1337151977596.000000
Total time: 57.20  Section time: 0.06  (Printing tree)