Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:00:49 2013 Optimize a model with 1200 rows, 26400 columns and 57950 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.08s Presolved: 1150 rows, 26350 columns, 56900 nonzeros Variable types: 26100 continuous, 250 integer (250 binary) Root relaxation: objective 1.650739e+05, 1968 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 165073.856 0 6 - 165073.856 - - 0s 0 0 165128.382 0 6 - 165128.382 - - 0s 0 0 165132.952 0 8 - 165132.952 - - 0s 0 0 165140.675 0 8 - 165140.675 - - 0s 0 0 165152.475 0 8 - 165152.475 - - 0s 0 0 165156.737 0 8 - 165156.737 - - 0s 0 0 165157.122 0 8 - 165157.122 - - 0s 0 0 165158.982 0 8 - 165158.982 - - 0s 0 0 165158.982 0 8 - 165158.982 - - 0s 0 0 165158.982 0 8 - 165158.982 - - 0s 0 0 165158.982 0 8 - 165158.982 - - 0s 0 0 165158.982 0 8 - 165158.982 - - 0s 0 0 165158.982 0 8 - 165158.982 - - 0s H 0 0 181428.65903 165158.982 8.97% - 1s 0 2 165160.366 0 8 181428.659 165160.366 8.97% - 1s H 27 14 166074.12686 165570.501 0.30% 19.4 1s * 43 16 42 165916.41998 165570.501 0.21% 15.2 2s * 54 7 13 165702.22411 165607.513 0.06% 15.5 2s H 58 0 165621.28759 165619.490 0.00% 14.5 2s Cutting planes: Flow cover: 10 Explored 58 nodes (3665 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 1.656194900012e+05, gap 0.0011%