Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:11:59 2012

Optimize a model with 1344 rows, 1806 columns and 5670 nonzeros
Presolve removed 9 rows and 378 columns
Presolve time: 0.02s
Presolved: 1335 rows, 1428 columns, 5292 nonzeros
Variable types: 0 continuous, 1428 integer (1428 binary)
Found heuristic solution: objective 20.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 1281 iterations, 0.03 seconds

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

     0     0    2.00000    0   40    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   78    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   89    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   40    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   76    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   89    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   40    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   76    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0   76    3.00000    2.00000  33.3%     -    1s
     0     2    2.00000    0   76    3.00000    2.00000  33.3%     -    1s

Cutting planes:
  Gomory: 6
  Zero half: 1

Explored 7 nodes (41582 simplex iterations) in 2.31 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%