Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:12:30 2012

Optimize a model with 2926 rows, 1482 columns and 10108 nonzeros
Presolve removed 418 rows and 0 columns
Presolve time: 0.06s
Presolved: 2508 rows, 1482 columns, 9120 nonzeros
Variable types: 0 continuous, 1482 integer (1482 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 3.000000e+00, 2569 iterations, 0.14 seconds

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

     0     0    3.00000    0   55   26.00000    3.00000  88.5%     -    0s
H    0     0                       4.0000000    3.00000  25.0%     -    0s
     0     0    3.00000    0  110    4.00000    3.00000  25.0%     -    0s
     0     0    3.00000    0   65    4.00000    3.00000  25.0%     -    0s
     0     0    3.00000    0   61    4.00000    3.00000  25.0%     -    1s
     0     0    3.00000    0   57    4.00000    3.00000  25.0%     -    1s
     0     0    3.00000    0   67    4.00000    3.00000  25.0%     -    1s
     0     0    3.00000    0   97    4.00000    3.00000  25.0%     -    1s
     0     0    3.00000    0   96    4.00000    3.00000  25.0%     -    2s
     0     2    3.00000    0   78    4.00000    3.00000  25.0%     -    2s
    14    11    3.00000    1   62    4.00000    3.00000  25.0%   102    5s

Cutting planes:
  Gomory: 3
  Zero half: 14

Explored 20 nodes (63345 simplex iterations) in 5.45 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%