Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:15:53 2012

Optimize a model with 4535 rows, 2970 columns and 16306 nonzeros
Presolve removed 381 rows and 56 columns
Presolve time: 0.11s
Presolved: 4154 rows, 2914 columns, 15180 nonzeros
Variable types: 0 continuous, 2914 integer (2914 binary)
Found heuristic solution: objective 54.0000000

Root relaxation: objective 3.000000e+00, 2757 iterations, 0.14 seconds

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

     0     0    3.00000    0   20   54.00000    3.00000  94.4%     -    0s
H    0     0                       3.0000000    3.00000   0.0%     -    0s

Explored 0 nodes (11842 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%