Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:56:15 2013 Optimize a model with 2700 rows, 27100 columns and 58050 nonzeros Presolve removed 150 rows and 100 columns Presolve time: 0.21s Presolved: 2550 rows, 27000 columns, 55900 nonzeros Variable types: 26050 continuous, 950 integer (950 binary) Root relaxation: objective 1.650739e+05, 4412 iterations, 0.18 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 165073.856 0 2 - 165073.856 - - 0s 0 0 165203.867 0 3 - 165203.867 - - 0s 0 0 165277.667 0 2 - 165277.667 - - 0s 0 0 165338.215 0 2 - 165338.215 - - 0s 0 0 165346.069 0 2 - 165346.069 - - 0s 0 0 165358.798 0 2 - 165358.798 - - 0s 0 0 165367.598 0 2 - 165367.598 - - 0s 0 0 165368.400 0 2 - 165368.400 - - 0s 0 0 165369.936 0 2 - 165369.936 - - 1s 0 0 165370.505 0 2 - 165370.505 - - 1s 0 0 165371.489 0 2 - 165371.489 - - 1s 0 0 165371.946 0 2 - 165371.946 - - 1s 0 0 165372.199 0 2 - 165372.199 - - 1s 0 0 165372.445 0 2 - 165372.445 - - 1s 0 0 165372.516 0 2 - 165372.516 - - 1s H 0 0 181428.65903 165372.516 8.85% - 1s 0 2 165373.612 0 2 181428.659 165373.612 8.85% - 1s H 5 4 165621.28759 165471.648 0.09% 41.8 1s Cutting planes: Flow cover: 17 Explored 20 nodes (5459 simplex iterations) in 2.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.656212875856e+05, best bound 1.656212875856e+05, gap 0.0%