Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:26 2012

Optimize a model with 1119 rows, 272 columns and 3550 nonzeros
Presolve removed 658 rows and 2 columns
Presolve time: 0.02s
Presolved: 477 rows, 270 columns, 2740 nonzeros
Variable types: 0 continuous, 270 integer (270 binary)
Found heuristic solution: objective 16.0000000

Root relaxation: objective 5.000000e+00, 601 iterations, 0.02 seconds

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

     0     0    5.00000    0   85   16.00000    5.00000  68.8%     -    0s
H    0     0                      14.0000000    5.00000  64.3%     -    0s
H    0     0                       8.0000000    5.00000  37.5%     -    0s
     0     0    5.00000    0   53    8.00000    5.00000  37.5%     -    0s
H    0     0                       7.0000000    5.00000  28.6%     -    0s
H    0     0                       6.0000000    5.00000  16.7%     -    0s
     0     0    5.00000    0   49    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   38    6.00000    5.00000  16.7%     -    0s
     0     0 infeasible    0         6.00000    5.00001  16.7%     -    0s

Cutting planes:
  Gomory: 3
  Zero half: 29

Explored 0 nodes (1986 simplex iterations) in 0.13 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%