Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:19:01 2012

Optimize a model with 7442 rows, 3782 columns and 25864 nonzeros
Presolve removed 1282 rows and 61 columns
Presolve time: 0.16s
Presolved: 6160 rows, 3721 columns, 22631 nonzeros
Variable types: 0 continuous, 3721 integer (3721 binary)
Found heuristic solution: objective 34.0000000

Root relaxation: objective 3.000000e+00, 4822 iterations, 0.38 seconds

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

     0     0    3.00000    0   24   34.00000    3.00000  91.2%     -    1s
H    0     0                       4.0000000    3.00000  25.0%     -    1s
H    0     0                       3.0000000    3.00000   0.0%     -    1s

Explored 0 nodes (12601 simplex iterations) in 1.14 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%