Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:13:26 2012

Optimize a model with 3888 rows, 2352 columns and 13824 nonzeros
Presolve removed 529 rows and 48 columns
Presolve time: 0.08s
Presolved: 3359 rows, 2304 columns, 12480 nonzeros
Variable types: 0 continuous, 2304 integer (2304 binary)
Found heuristic solution: objective 23.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: cutoff, 3507 iterations, 0.18 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 (3507 simplex iterations) in 0.27 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%