Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:16:01 2012 Optimize a model with 3795 rows, 3080 columns and 14245 nonzeros Presolve removed 116 rows and 330 columns Presolve time: 0.09s Presolved: 3679 rows, 2750 columns, 13640 nonzeros Variable types: 0 continuous, 2750 integer (2750 binary) Found heuristic solution: objective 32.0000000 Root relaxation: objective 3.000000e+00, 4194 iterations, 0.23 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (4981 simplex iterations) in 0.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%