Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:02:49 2012

Optimize a model with 21464 rows, 25440 columns and 89038 nonzeros
Presolve removed 29 rows and 4295 columns
Presolve time: 0.45s
Presolved: 21435 rows, 21145 columns, 84475 nonzeros
Variable types: 0 continuous, 21145 integer (21145 binary)
Found heuristic solution: objective 159.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 287 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  210    3.00000    2.00000  33.3%     -    0s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (557 simplex iterations) in 0.57 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%