id summary reporter owner description type status milestone component version severity resolution keywords cc 13489 boykov_kolmogorov_max_flow produces incorrect residual edge capacity Nate Bird Jeremiah Willcock "Greetings, With some graphs, the boykov_kolmogorov_max_flow algorithm creates residual edge capacity maps with larger values than the graph edge capacities should allow. I have attached code that creates a small graph to demonstrate this issue and the GraphViz plot of the automatically-generated .dot graph file for easy visual inspection of the results. In the attached GraphViz plot, each edge is labeled with (residual capacity)/(capacity). The residual capacity should never be greater than the capacity. Thus, the labels ""1/0"" and ""101/100"" are in error. I have run this test in Boost 1.54, 1.66, and 1.67." Bugs new To Be Determined graph Boost 1.67.0 Problem