Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:09:57 2012

Optimize a model with 391 rows, 552 columns and 1633 nonzeros
Presolve removed 4 rows and 92 columns
Presolve time: 0.00s
Presolved: 387 rows, 460 columns, 1541 nonzeros
Variable types: 0 continuous, 460 integer (460 binary)
Found heuristic solution: objective 9.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 337 iterations, 0.00 seconds

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

     0     0    2.00000    0   16    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   58    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   16    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   36    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   58    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   38    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   49    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   16    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   49    3.00000    2.00000  33.3%     -    0s
     0     0    2.00000    0   49    3.00000    2.00000  33.3%     -    0s
     0     2    2.00000    0   49    3.00000    2.00000  33.3%     -    0s

Cutting planes:
  Gomory: 52
  Zero half: 17

Explored 14 nodes (15061 simplex iterations) in 0.39 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%