Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:56:24 2012

Optimize a model with 12124 rows, 15750 columns and 51498 nonzeros
Presolve removed 33 rows and 3877 columns
Presolve time: 0.21s
Presolved: 12091 rows, 11873 columns, 47429 nonzeros
Variable types: 0 continuous, 11873 integer (11873 binary)
Found heuristic solution: objective 125.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 212 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  158    3.00000    2.00000  33.3%     -    0s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (378 simplex iterations) in 0.28 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%