Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:32:33 2012

Optimize a model with 3520 rows, 1980 columns and 12364 nonzeros
Presolve removed 616 rows and 0 columns
Presolve time: 0.07s
Presolved: 2904 rows, 1980 columns, 10912 nonzeros
Variable types: 0 continuous, 1980 integer (1980 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 3.000000e+00, 3053 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 (4710 simplex iterations) in 0.38 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%