Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:16:58 2012

Optimize a model with 4107 rows, 702 columns and 12894 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.07s
Presolved: 4131 rows, 700 columns, 19136 nonzeros
Variable types: 0 continuous, 700 integer (700 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 3.972603e+00, 3901 iterations, 0.28 seconds

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

     0     0    3.97260    0  424   26.00000    3.97260  84.7%     -    1s
     0     0    5.00000    0  109   26.00000    5.00000  80.8%     -    1s
H    0     0                      21.0000000    5.00000  76.2%     -    1s
H    0     0                       6.0000000    5.00000  16.7%     -    1s
     0     0    5.00000    0   75    6.00000    5.00000  16.7%     -    1s
     0     0    5.00000    0   46    6.00000    5.00000  16.7%     -    1s
     0     0    5.00000    0  102    6.00000    5.00000  16.7%     -    1s
     0     0    5.00000    0   70    6.00000    5.00000  16.7%     -    1s
     0     0    5.00000    0   85    6.00000    5.00000  16.7%     -    1s
     0     0    5.00000    0   72    6.00000    5.00000  16.7%     -    1s
     0     0 infeasible    0         6.00000    5.00001  16.7%     -    1s

Cutting planes:
  Clique: 4
  Zero half: 61

Explored 0 nodes (12116 simplex iterations) in 1.74 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%