Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:16:15 2012

Optimize a model with 4185 rows, 702 columns and 13128 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.07s
Presolved: 4183 rows, 700 columns, 19082 nonzeros
Variable types: 0 continuous, 700 integer (700 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 4.222222e+00, 3801 iterations, 0.24 seconds

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

     0     0    4.22222    0  384   26.00000    4.22222  83.8%     -    0s
     0     0    7.00000    0   50   26.00000    7.00000  73.1%     -    1s
H    0     0                      19.0000000    7.00000  63.2%     -    1s
H    0     0                      13.0000000    7.00000  46.2%     -    1s
H    0     0                       7.0000000    7.00000   0.0%     -    1s

Cutting planes:
  Gomory: 1
  Clique: 1
  Zero half: 2

Explored 0 nodes (9704 simplex iterations) in 1.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%