Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:31 2012

Optimize a model with 1 rows, 165 columns and 165 nonzeros
Model has 134 quadratic objective terms
Presolve removed 0 rows and 32 columns
Presolve time: 0.00s
Presolved: 135 rows, 267 columns, 535 nonzeros
Variable types: 0 continuous, 267 integer (266 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 0.000000e+00, 157 iterations, 0.00 seconds

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

     0     0    0.00000    0   38   29.00000    0.00000   100%     -    0s
     0     0    0.00000    0   21   29.00000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   25   17.00000    0.00000   100%     -    0s
     0     0    0.00000    0   18   17.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   18   13.00000    0.00000   100%     -    0s
H   27    27                      11.0000000    0.00000   100%   3.1    0s
H  160   113                      10.0000000    0.00000   100%   3.2    0s
H  163    99                       8.0000000    0.00000   100%   3.2    0s
H  327   136                       5.0000000    0.00000   100%   6.1    0s
H  516   145                       4.0000000    0.00000   100%   9.4    0s
H  598    75                       3.0000000    0.19512  93.5%  12.7    0s

Cutting planes:
  Cover: 242

Explored 674 nodes (13294 simplex iterations) in 0.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%