Gurobi 5.0.1 (linux64) logging started Fri Nov 16 19:43:49 2012

Optimize a model with 11699 rows, 17030 columns and 51478 nonzeros
Presolve removed 36 rows and 4422 columns
Presolve time: 0.20s
Presolved: 11663 rows, 12608 columns, 46878 nonzeros
Variable types: 0 continuous, 12608 integer (12608 binary)
Found heuristic solution: objective 130.0000000

Root relaxation: objective 2.000000e+00, 8027 iterations, 0.28 seconds

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

     0     0    2.00000    0  128  130.00000    2.00000  98.5%     -    0s
H    0     0                      80.0000000    2.00000  97.5%     -    0s
H    0     0                       4.0000000    2.00000  50.0%     -    1s
H    0     0                       3.0000000    2.00000  33.3%     -    1s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    1s

Cutting planes:
  Gomory: 1
  Zero half: 4

Explored 0 nodes (26099 simplex iterations) in 1.08 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%