Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:11:19 2012 Optimize a model with 1443 rows, 1482 columns and 5622 nonzeros Presolve removed 8 rows and 230 columns Presolve time: 0.09s Presolved: 1435 rows, 1252 columns, 5318 nonzeros Variable types: 0 continuous, 1252 integer (1252 binary) Found heuristic solution: objective 38.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 70 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 58 3.00000 2.00000 33.3% - 0s Explored 0 nodes (131 simplex iterations) in 0.10 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%