Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:38:18 2012

Optimize a model with 1848 rows, 4422 columns and 9702 nonzeros
Presolve removed 27 rows and 1782 columns
Presolve time: 0.05s
Presolved: 1821 rows, 2640 columns, 7920 nonzeros
Variable types: 0 continuous, 2640 integer (2640 binary)
Found heuristic solution: objective 13.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 1650 iterations, 0.01 seconds

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

     0     0    2.00000    0   10    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   10    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   51    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  138    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   10    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   51    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   51    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0   51    3.00000    2.00000  33.3%     -    1s
     0     2    2.00000    0   51    3.00000    2.00000  33.3%     -    1s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 12 nodes (56311 simplex iterations) in 2.37 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%