Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:11:18 2012

Optimize a model with 27059 rows, 27060 columns and 107418 nonzeros
Presolve removed 28 rows and 4266 columns
Presolve time: 0.56s
Presolved: 27031 rows, 22794 columns, 102824 nonzeros
Variable types: 0 continuous, 22794 integer (22794 binary)
Found heuristic solution: objective 164.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 328 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  264    3.00000    2.00000  33.3%     -    0s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (605 simplex iterations) in 0.71 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%