Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:36 2013 Optimize a model with 216 rows, 413 columns and 1425 nonzeros Presolve removed 36 rows and 60 columns Presolve time: 0.01s Presolved: 180 rows, 353 columns, 1058 nonzeros Variable types: 177 continuous, 176 integer (176 binary) Found heuristic solution: objective 2970.4553101 Root relaxation: objective 2.966732e+03, 6 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2966.73154 0 2 2970.45531 2966.73154 0.13% - 0s 0 0 2967.53442 0 2 2970.45531 2967.53442 0.10% - 0s 0 0 2968.31609 0 2 2970.45531 2968.31609 0.07% - 0s 0 0 2969.07747 0 2 2970.45531 2969.07747 0.05% - 0s 0 0 2969.81943 0 2 2970.45531 2969.81943 0.02% - 0s 0 0 cutoff 0 2970.45531 2970.45531 0.0% - 0s Explored 0 nodes (27 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.970455310116e+03, best bound 2.970455310116e+03, gap 0.0%