Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:04:20 2012

Optimize a model with 20799 rows, 25760 columns and 87358 nonzeros
Presolve removed 32 rows and 4802 columns
Presolve time: 0.45s
Presolved: 20767 rows, 20958 columns, 82298 nonzeros
Variable types: 0 continuous, 20958 integer (20958 binary)
Found heuristic solution: objective 160.0000000

Root relaxation: objective 2.000000e+00, 13995 iterations, 0.65 seconds

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

     0     0    2.00000    0  182  160.00000    2.00000  98.8%     -    2s
H    0     0                     107.0000000    2.00000  98.1%     -    2s
H    0     0                       3.0000000    2.00000  33.3%     -    2s

Cutting planes:
  Gomory: 1

Explored 0 nodes (44768 simplex iterations) in 2.40 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%