Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:12 2012

Optimize a model with 690 rows, 930 columns and 2880 nonzeros
Presolve removed 6 rows and 180 columns
Presolve time: 0.01s
Presolved: 684 rows, 750 columns, 2700 nonzeros
Variable types: 0 continuous, 750 integer (750 binary)
Found heuristic solution: objective 11.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 562 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   40    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   71    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   66    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   71    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   92    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   66    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   66    3.00000    2.00000  33.3%     -    0s
     0     2    2.00000    0   66    3.00000    2.00000  33.3%     -    0s

Cutting planes:
  Gomory: 9

Explored 8 nodes (19157 simplex iterations) in 0.78 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%