Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:16 2012

Optimize a model with 321 rows, 329 columns and 1129 nonzeros
Presolve removed 0 rows and 28 columns
Presolve time: 0.00s
Presolved: 321 rows, 301 columns, 1101 nonzeros
Variable types: 0 continuous, 301 integer (300 binary)
Found heuristic solution: objective 56.0000000

Root relaxation: objective 0.000000e+00, 224 iterations, 0.00 seconds

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

     0     0    0.00000    0  137   56.00000    0.00000   100%     -    0s
H    0     0                      53.0000000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
     0     0    0.32800    0  142   45.00000    0.32800  99.3%     -    0s
H    0     0                      38.0000000    0.32800  99.1%     -    0s
H    0     0                      36.0000000    0.32800  99.1%     -    0s
     0     0    0.66257    0  143   36.00000    0.66257  98.2%     -    0s
H    0     0                      29.0000000    0.66257  97.7%     -    0s
     0     0    0.66409    0  142   29.00000    0.66409  97.7%     -    0s
H    0     0                      26.0000000    0.66409  97.4%     -    0s
     0     0    0.66409    0  142   26.00000    0.66409  97.4%     -    0s
H    0     0                      24.0000000    0.66409  97.2%     -    0s
     0     2    0.67327    0  142   24.00000    0.67327  97.2%     -    0s
*   20    17              13       6.0000000    1.36667  77.2%  35.0    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 92 nodes (3108 simplex iterations) in 0.16 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%