Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:49:44 2012

Optimize a model with 15949 rows, 21170 columns and 68293 nonzeros
Presolve removed 613 rows and 4497 columns
Presolve time: 0.33s
Presolved: 15336 rows, 16673 columns, 62136 nonzeros
Variable types: 0 continuous, 16673 integer (16673 binary)
Found heuristic solution: objective 145.0000000

Root relaxation: objective 3.000000e+00, 9532 iterations, 0.69 seconds

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

     0     0    3.00000    0   26  145.00000    3.00000  97.9%     -    4s
H    0     0                       3.0000000    3.00000   0.0%     -    4s

Explored 0 nodes (29180 simplex iterations) in 4.88 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%