Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:33:20 2012

Optimize a model with 5292 rows, 812 columns and 16576 nonzeros
Presolve time: 0.05s
Presolved: 5292 rows, 812 columns, 24756 nonzeros
Variable types: 0 continuous, 812 integer (812 binary)
Found heuristic solution: objective 14.0000000

Root relaxation: objective 2.000000e+00, 1503 iterations, 0.07 seconds

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

     0     0    2.00000    0   56   14.00000    2.00000  85.7%     -    0s
H    0     0                      10.0000000    2.00000  80.0%     -    0s
H    0     0                       8.0000000    2.00000  75.0%     -    0s
     0     0    2.00000    0   56    8.00000    2.00000  75.0%     -    0s
     0     0    2.00000    0   56    8.00000    2.00000  75.0%     -    0s
     0     0    2.00000    0   56    8.00000    2.00000  75.0%     -    0s
H    0     0                       7.0000000    2.00000  71.4%     -    0s
     0     0    2.00000    0   56    7.00000    2.00000  71.4%     -    1s
     0     0    2.00000    0   56    7.00000    2.00000  71.4%     -    1s
     0     0    2.00000    0   56    7.00000    2.00000  71.4%     -    1s
     0     2    2.00000    0   56    7.00000    2.00000  71.4%     -    2s
    75    41    4.00000    3   52    7.00000    4.00000  42.9%   309    5s
   255    89     cutoff   11         7.00000    4.16667  40.5%   251   10s
   431   121    6.00000   10  100    7.00000    5.00000  28.6%   239   15s
   687   145    5.00000    9   52    7.00000    5.00000  28.6%   204   20s
   711   160    6.00000   17   98    7.00000    6.00000  14.3%   219   26s
   715   163    6.00000   11   78    7.00000    6.00000  14.3%   218   30s

Explored 720 nodes (184880 simplex iterations) in 32.42 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%