Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:55 2012

Optimize a model with 1260 rows, 1332 columns and 4968 nonzeros
Presolve removed 5 rows and 180 columns
Presolve time: 0.02s
Presolved: 1255 rows, 1152 columns, 4788 nonzeros
Variable types: 0 continuous, 1152 integer (1152 binary)
Found heuristic solution: objective 20.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 1056 iterations, 0.02 seconds

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

     0     0    2.00000    0   62    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   96    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   62    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   95    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   96    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   95    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   95    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   96    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   96    3.00000    2.00000  33.3%     -    1s
     0     2    2.00000    0   96    3.00000    2.00000  33.3%     -    1s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 7 nodes (34148 simplex iterations) in 2.38 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%