A generic exact solver for vehicle routing and related problems

Major advances were recently obtained in the exact solution of vehicle routing problems (VRPs). Sophisticated branch-cut-and-price (BCP) algorithms for some of the most classical VRP variants now solve many instances with up to a few hundreds of customers. However, adapting and reimplementing those...

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Published in:Mathematical programming Vol. 183; no. 1-2; pp. 483 - 523
Main Authors: Pessoa, Artur, Sadykov, Ruslan, Uchoa, Eduardo, Vanderbeck, François
Format: Journal Article
Language:English
Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2020
Springer Nature B.V
Springer Verlag
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ISSN:0025-5610, 1436-4646
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Abstract Major advances were recently obtained in the exact solution of vehicle routing problems (VRPs). Sophisticated branch-cut-and-price (BCP) algorithms for some of the most classical VRP variants now solve many instances with up to a few hundreds of customers. However, adapting and reimplementing those successful algorithms for other variants can be a very demanding task. This work proposes a BCP solver for a generic model that encompasses a wide class of VRPs. It incorporates the key elements found in the best existing VRP algorithms: ng-path relaxation, rank-1 cuts with limited memory, path enumeration, and rounded capacity cuts; all generalized through the new concepts of “packing set” and “elementarity set”. The concepts are also used to derive a branching rule based on accumulated resource consumption and to generalize the Ryan and Foster branching rule. Extensive experiments on several variants show that the generic solver has an excellent overall performance, in many problems being better than the best specific algorithms. Even some non-VRPs, like bin packing, vector packing and generalized assignment, can be modeled and effectively solved.
AbstractList Major advances were recently obtained in the exact solution of Vehicle Routing Problems (VRPs). Sophisticated Branch-Cut-and-Price (BCP) algorithms for some of the most classical VRP variants now solve many instances with up to a few hundreds of customers. However , adapting and reimplementing those successful algorithms for other variants can be a very demanding task. This work proposes a BCP solver for a generic model that encompasses a wide class of VRPs. It incorporates the key elements found in the best recent VRP algorithms: ng-path relaxation, rank-1 cuts with limited memory, and route enumeration; all generalized through the new concept of "packing set". This concept is also used to derive a new branch rule based on accumulated resource consumption and to generalize the Ryan and Foster branch rule. Extensive experiments on several variants show that the generic solver has an excellent overall performance, in many problems being better than the best existing specific algorithms. Even some non-VRPs, like bin packing, vector packing and generalized assignment, can be modeled and effectively solved.
Major advances were recently obtained in the exact solution of vehicle routing problems (VRPs). Sophisticated branch-cut-and-price (BCP) algorithms for some of the most classical VRP variants now solve many instances with up to a few hundreds of customers. However, adapting and reimplementing those successful algorithms for other variants can be a very demanding task. This work proposes a BCP solver for a generic model that encompasses a wide class of VRPs. It incorporates the key elements found in the best existing VRP algorithms: ng-path relaxation, rank-1 cuts with limited memory, path enumeration, and rounded capacity cuts; all generalized through the new concepts of “packing set” and “elementarity set”. The concepts are also used to derive a branching rule based on accumulated resource consumption and to generalize the Ryan and Foster branching rule. Extensive experiments on several variants show that the generic solver has an excellent overall performance, in many problems being better than the best specific algorithms. Even some non-VRPs, like bin packing, vector packing and generalized assignment, can be modeled and effectively solved.
Author Vanderbeck, François
Pessoa, Artur
Uchoa, Eduardo
Sadykov, Ruslan
Author_xml – sequence: 1
  givenname: Artur
  surname: Pessoa
  fullname: Pessoa, Artur
  organization: Universidade Federal Fluminense
– sequence: 2
  givenname: Ruslan
  surname: Sadykov
  fullname: Sadykov, Ruslan
  organization: INRIA Bordeaux — Sud-Ouest
– sequence: 3
  givenname: Eduardo
  orcidid: 0000-0002-8687-2613
  surname: Uchoa
  fullname: Uchoa, Eduardo
  email: uchoa@producao.uff.br
  organization: Universidade Federal Fluminense
– sequence: 4
  givenname: François
  surname: Vanderbeck
  fullname: Vanderbeck, François
  organization: Atoptima
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logistics and supply chain management
Column generation
etc. for problems pertaining to operations research and mathematical programming
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Routing
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springer_journals_10_1007_s10107_020_01523_z
PublicationCentury 2000
PublicationDate 2020-09-01
PublicationDateYYYYMMDD 2020-09-01
PublicationDate_xml – month: 09
  year: 2020
  text: 2020-09-01
  day: 01
PublicationDecade 2020
PublicationPlace Berlin/Heidelberg
PublicationPlace_xml – name: Berlin/Heidelberg
– name: Heidelberg
PublicationSubtitle A Publication of the Mathematical Optimization Society
PublicationTitle Mathematical programming
PublicationTitleAbbrev Math. Program
PublicationYear 2020
Publisher Springer Berlin Heidelberg
Springer Nature B.V
Springer Verlag
Publisher_xml – name: Springer Berlin Heidelberg
– name: Springer Nature B.V
– name: Springer Verlag
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Snippet Major advances were recently obtained in the exact solution of vehicle routing problems (VRPs). Sophisticated branch-cut-and-price (BCP) algorithms for some of...
Major advances were recently obtained in the exact solution of Vehicle Routing Problems (VRPs). Sophisticated Branch-Cut-and-Price (BCP) algorithms for some of...
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SubjectTerms Algorithms
Calculus of Variations and Optimal Control; Optimization
Combinatorics
Computer Science
Enumeration
Exact solutions
Full Length Paper
Mathematical and Computational Physics
Mathematical Methods in Physics
Mathematics
Mathematics and Statistics
Mathematics of Computing
Numerical Analysis
Operations Research
Route planning
Theoretical
Vehicle routing
Title A generic exact solver for vehicle routing and related problems
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