Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:32 2012

Optimize a model with 1602 rows, 342 columns and 5076 nonzeros
Presolve removed 990 rows and 0 columns
Presolve time: 0.02s
Presolved: 612 rows, 342 columns, 3456 nonzeros
Variable types: 0 continuous, 342 integer (342 binary)
Found heuristic solution: objective 13.0000000

Root relaxation: objective 5.000000e+00, 801 iterations, 0.03 seconds

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

     0     0    5.00000    0   45   13.00000    5.00000  61.5%     -    0s
H    0     0                       7.0000000    5.00000  28.6%     -    0s
     0     0    5.00000    0   39    7.00000    5.00000  28.6%     -    0s
H    0     0                       6.0000000    5.00000  16.7%     -    0s
     0     0    5.00000    0   53    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   42    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   42    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   42    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   43    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   43    6.00000    5.00000  16.7%     -    0s
     0     2    5.00000    0   43    6.00000    5.00000  16.7%     -    0s

Cutting planes:
  Gomory: 2
  Zero half: 1

Explored 13 nodes (12645 simplex iterations) in 1.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%