Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:12:32 2012

Optimize a model with 1540 rows, 1980 columns and 6424 nonzeros
Presolve removed 9 rows and 396 columns
Presolve time: 0.03s
Presolved: 1531 rows, 1584 columns, 6028 nonzeros
Variable types: 0 continuous, 1584 integer (1584 binary)
Found heuristic solution: objective 15.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 1495 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   64    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   64    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  100    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  105    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  102    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  100    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0  105    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0  102    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0  105    3.00000    2.00000  33.3%     -    1s
     0     0    2.00000    0  105    3.00000    2.00000  33.3%     -    1s
     0     2    2.00000    0  105    3.00000    2.00000  33.3%     -    1s

Cutting planes:
  Gomory: 11

Explored 8 nodes (50965 simplex iterations) in 3.24 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%