Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:49:05 2012

Optimize a model with 15551 rows, 20880 columns and 66814 nonzeros
Presolve removed 320 rows and 4322 columns
Presolve time: 0.32s
Presolved: 15231 rows, 16558 columns, 61562 nonzeros
Variable types: 0 continuous, 16558 integer (16558 binary)
Found heuristic solution: objective 144.0000000

Root relaxation: objective 3.000000e+00, 8154 iterations, 0.42 seconds

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

*    0     0               0       3.0000000    3.00000   0.0%     -    1s

Explored 0 nodes (23177 simplex iterations) in 1.89 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%