Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:56:58 2012

Optimize a model with 10803 rows, 5402 columns and 37447 nonzeros
Presolve removed 1827 rows and 2 columns
Presolve time: 0.45s
Presolved: 9049 rows, 5400 columns, 38150 nonzeros
Variable types: 0 continuous, 5400 integer (5400 binary)
Found heuristic solution: objective 73.0000000

Root relaxation: objective 3.000000e+00, 7289 iterations, 1.20 seconds

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

     0     0    3.00000    0  248   73.00000    3.00000  95.9%     -    3s
H    0     0                       4.0000000    3.00000  25.0%     -    4s
H    0     0                       3.0000000    3.00000   0.0%     -    4s

Explored 0 nodes (19785 simplex iterations) in 4.06 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%