Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:56:31 2012

Optimize a model with 10749 rows, 15750 columns and 47373 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.16s
Presolved: 10872 rows, 15748 columns, 62826 nonzeros
Variable types: 0 continuous, 15748 integer (15748 binary)
Found heuristic solution: objective 125.0000000

Root relaxation: objective 2.000000e+00, 7327 iterations, 0.19 seconds

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

     0     0    2.00000    0   84  125.00000    2.00000  98.4%     -    0s
H    0     0                       4.0000000    2.00000  50.0%     -    0s
     0     0    2.23529    0  267    4.00000    2.23529  44.1%     -    1s
H    0     0                       3.0000000    2.23529  25.5%     -    1s

Cutting planes:
  Gomory: 2
  Zero half: 3

Explored 0 nodes (27675 simplex iterations) in 1.59 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%