Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:15:06 2012 Optimize a model with 3876 rows, 2652 columns and 14076 nonzeros Presolve removed 257 rows and 102 columns Presolve time: 0.08s Presolved: 3619 rows, 2550 columns, 13362 nonzeros Variable types: 0 continuous, 2550 integer (2550 binary) Found heuristic solution: objective 29.0000000 Root relaxation: objective 3.000000e+00, 3756 iterations, 0.19 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 (4750 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%