Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:20:29 2012 Optimize a model with 5543 rows, 4032 columns and 20347 nonzeros Presolve removed 322 rows and 317 columns Presolve time: 0.15s Presolved: 5221 rows, 3715 columns, 19110 nonzeros Variable types: 0 continuous, 3715 integer (3715 binary) Found heuristic solution: objective 63.0000000 Root relaxation: objective 3.000000e+00, 3471 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 (9315 simplex iterations) in 0.88 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%