Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:05:57 2012

Optimize a model with 4128 rows, 129 columns and 8256 nonzeros
Presolve removed 2949 rows and 0 columns
Presolve time: 0.14s
Presolved: 1179 rows, 129 columns, 8195 nonzeros
Variable types: 0 continuous, 129 integer (129 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.750506e+01, 553 iterations, 0.03 seconds

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

     0     0   17.50506    0  124    7.00000   17.50506   150%     -    0s
H    0     0                       8.0000000   17.50506   119%     -    0s
     0     0   16.94336    0  128    8.00000   16.94336   112%     -    0s
     0     0   16.88364    0  128    8.00000   16.88364   111%     -    0s
     0     0   16.80934    0  129    8.00000   16.80934   110%     -    0s
     0     0   16.76535    0  128    8.00000   16.76535   110%     -    0s
H    0     0                       9.0000000   16.76535  86.3%     -    0s
     0     0   16.72999    0  128    9.00000   16.72999  85.9%     -    1s
     0     0   16.71216    0  129    9.00000   16.71216  85.7%     -    1s
     0     0   16.70744    0  129    9.00000   16.70744  85.6%     -    1s
     0     0   16.70669    0  129    9.00000   16.70669  85.6%     -    1s
     0     0   16.70666    0  129    9.00000   16.70666  85.6%     -    1s
     0     0   16.70665    0  129    9.00000   16.70665  85.6%     -    2s
     0     2   16.70374    0  129    9.00000   16.70374  85.6%     -    2s
   525   227   11.44790    8   42    9.00000   13.39407  48.8%  64.6    5s
H  691   172                      10.0000000   12.83568  28.4%  60.3    6s

Cutting planes:
  Clique: 128

Explored 882 nodes (49944 simplex iterations) in 6.62 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%