Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:05:47 2012

Optimize a model with 18353 rows, 26082 columns and 80337 nonzeros
Presolve removed 41 rows and 6281 columns
Presolve time: 0.37s
Presolved: 18312 rows, 19801 columns, 73830 nonzeros
Variable types: 0 continuous, 19801 integer (19801 binary)
Found heuristic solution: objective 161.0000000

Root relaxation: objective 2.000000e+00, 13138 iterations, 0.66 seconds

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

     0     0    2.00000    0  186  161.00000    2.00000  98.8%     -    2s
H    0     0                     103.0000000    2.00000  98.1%     -    2s
H    0     0                       3.0000000    2.00000  33.3%     -    2s

Explored 0 nodes (44273 simplex iterations) in 2.30 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 2.000000000000e+00, gap 33.3333%