Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:51:52 2012

Optimize a model with 19091 rows, 22052 columns and 78586 nonzeros
Presolve removed 33 rows and 4590 columns
Presolve time: 0.38s
Presolved: 19058 rows, 17462 columns, 73740 nonzeros
Variable types: 0 continuous, 17462 integer (17462 binary)
Found heuristic solution: objective 148.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 260 iterations, 0.01 seconds

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

     0     0    2.00000    0  220    3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (447 simplex iterations) in 0.48 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%