Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:29 2012

Optimize a model with 1 rows, 59 columns and 59 nonzeros
Model has 85 quadratic objective terms
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 86 rows, 142 columns, 312 nonzeros
Variable types: 0 continuous, 142 integer (141 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 0.000000e+00, 112 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   31   30.00000    0.00000   100%     -    0s
     0     0    0.00000    0   26   30.00000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   29   24.00000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   18   23.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   20   17.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   24   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   22   13.00000    0.00000   100%     -    0s
     0     2    0.00000    0   22   13.00000    0.00000   100%     -    0s
H  122    69                      12.0000000    0.00000   100%   4.8    0s
H  243   103                      11.0000000    0.83333  92.4%   8.1    0s
*  386    48               6      10.0000000    5.00000  50.0%  20.4    0s

Cutting planes:
  Cover: 166

Explored 438 nodes (9615 simplex iterations) in 0.16 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%