Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:13:52 2012

Optimize a model with 3159 rows, 1560 columns and 10881 nonzeros
Presolve removed 781 rows and 39 columns
Presolve time: 0.06s
Presolved: 2378 rows, 1521 columns, 8931 nonzeros
Variable types: 0 continuous, 1521 integer (1521 binary)
Found heuristic solution: objective 22.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: cutoff, 2202 iterations, 0.10 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0     cutoff    0         3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (2202 simplex iterations) in 0.16 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%