Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:54:08 2012

Optimize a model with 21441 rows, 22952 columns and 86521 nonzeros
Presolve removed 25 rows and 3475 columns
Presolve time: 0.43s
Presolved: 21416 rows, 19477 columns, 82764 nonzeros
Variable types: 0 continuous, 19477 integer (19477 binary)
Found heuristic solution: objective 151.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 288 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  242    3.00000    2.00000  33.3%     -    0s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (543 simplex iterations) in 0.54 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%