Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:17 2013 Optimize a model with 1080 rows, 2265 columns and 7525 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.12s Presolved: 1075 rows, 2260 columns, 6520 nonzeros Variable types: 1260 continuous, 1000 integer (1000 binary) Root relaxation: objective 1.309958e+04, 67 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 13099.5797 0 2 - 13099.5797 - - 0s 0 0 13103.7879 0 2 - 13103.7879 - - 0s 0 0 13105.3172 0 2 - 13105.3172 - - 0s 0 0 13105.9624 0 2 - 13105.9624 - - 0s 0 0 13106.4365 0 2 - 13106.4365 - - 0s 0 0 13107.3458 0 2 - 13107.3458 - - 0s 0 0 13107.6350 0 2 - 13107.6350 - - 0s 0 0 13108.0413 0 4 - 13108.0413 - - 0s 0 0 13108.1224 0 2 - 13108.1224 - - 0s 0 0 13108.3866 0 2 - 13108.3866 - - 0s 0 0 13108.4773 0 3 - 13108.4773 - - 0s 0 0 13108.7850 0 5 - 13108.7850 - - 0s 0 0 13108.8054 0 2 - 13108.8054 - - 0s 0 0 13108.8054 0 2 - 13108.8054 - - 0s 0 2 13108.8054 0 2 - 13108.8054 - - 0s * 27 6 21 13130.103286 13130.1033 0.0% 5.6 0s Cutting planes: Gomory: 1 Implied bound: 11 Flow cover: 1 Explored 28 nodes (308 simplex iterations) in 0.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.313010328625e+04, best bound 1.313010328625e+04, gap 0.0%