Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:27:32 2012

Optimize a model with 8414 rows, 1122 columns and 26200 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.09s
Presolved: 8412 rows, 1120 columns, 27548 nonzeros
Variable types: 0 continuous, 1120 integer (1120 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 3.451991e+00, 7231 iterations, 0.53 seconds

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

     0     0    3.45199    0  971   33.00000    3.45199  89.5%     -    1s
H    0     0                      32.0000000    3.45199  89.2%     -    1s
     0     0    4.00000    0  110   32.00000    4.00000  87.5%     -    2s
H    0     0                      31.0000000    4.00000  87.1%     -    2s
H    0     0                      12.0000000    4.00000  66.7%     -    2s
H    0     0                       8.0000000    4.00000  50.0%     -    2s
     0     0    4.85714    0  288    8.00000    4.85714  39.3%     -    2s
     0     0    5.03704    0  727    8.00000    5.03704  37.0%     -    3s
     0     0    5.22628    0  683    8.00000    5.22628  34.7%     -    3s
     0     0    5.22628    0  695    8.00000    5.22628  34.7%     -    3s
     0     0    5.22628    0  564    8.00000    5.22628  34.7%     -    5s
     0     0    5.22628    0  610    8.00000    5.22628  34.7%     -    6s
     0     0    5.22628    0  610    8.00000    5.22628  34.7%     -    7s
     0     1    6.00000    0  610    8.00000    6.00000  25.0%     -    9s
     6     7    7.00000    6   73    8.00000    6.50000  18.7%   662   10s
H   27     3                       7.0000000    6.50000  7.14%   224   10s

Cutting planes:
  Gomory: 27
  Clique: 47

Explored 27 nodes (38645 simplex iterations) in 10.34 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%