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\section{Conclusion}\label{sec:conclusion}

In this paper, we introduced the Efficient 2-Terminal Reliability Problem that simulate resiliency of the supply chains under disruptions. We proposed an exact branch-and-price algorithm for this problem, relying on the classic decomposition, column generation techniques, original branching schemes, and primal heuristics. High performance of the proposed approach was con-firmed by the results of the comparative numerical evaluation. We postpone the study of valid inequalities, implementation of the cutting planes their heuristic separation techniques to the future work.