Dot is run using the command "c:graphviz>dot -Tsvg -omm.svg mm.dot"
After Dr. Watson, the command prompt re-appears, no error description
from dot is visible anywhere
Input file: b272.dot
[erg] A smaller graph causing the problem is b272a.dot. Removing any edge or decrementing any weight by 1 causes the problem to go away. The core dump arises during the second network simplex to set node positions. The obvious guess is that integer overflow is occurring.
Fix: Sorry :0)