Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:20:52 2012 Optimize a model with 5984 rows, 4032 columns and 21670 nonzeros Presolve removed 569 rows and 2 columns Presolve time: 0.16s Presolved: 5478 rows, 4030 columns, 24081 nonzeros Variable types: 0 continuous, 4030 integer (4030 binary) Found heuristic solution: objective 63.0000000 Root relaxation: objective 3.000000e+00, 4642 iterations, 0.33 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% - 1s Explored 0 nodes (12547 simplex iterations) in 1.19 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%