Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:16:55 2012 Optimize a model with 4104 rows, 3306 columns and 15390 nonzeros Presolve removed 120 rows and 342 columns Presolve time: 0.09s Presolved: 3984 rows, 2964 columns, 14763 nonzeros Variable types: 0 continuous, 2964 integer (2964 binary) Found heuristic solution: objective 30.0000000 Root relaxation: objective 3.000000e+00, 4367 iterations, 0.21 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 (5279 simplex iterations) in 0.36 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%