Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:21:44 2012

Optimize a model with 1 rows, 130 columns and 130 nonzeros
Model has 105 quadratic objective terms
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 106 rows, 211 columns, 421 nonzeros
Variable types: 0 continuous, 211 integer (210 binary)
Found heuristic solution: objective 31.0000000

Root relaxation: objective 0.000000e+00, 136 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   27   31.00000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   21   25.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   11   13.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   20   11.00000    0.00000   100%     -    0s
     0     0    0.00000    0   15   11.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   15   10.00000    0.00000   100%     -    0s
H  100    62                       8.0000000    0.00000   100%   2.6    0s
H  108    62                       7.0000000    0.00000   100%   2.5    0s
*  119    53              22       6.0000000    0.00000   100%   2.4    0s
H  218    82                       5.0000000    0.00000   100%   3.1    0s
*  384    86               6       3.0000000    0.00000   100%   6.2    0s
*  393    35              11       2.0000000    0.00000   100%   6.7    0s

Cutting planes:
  Cover: 177

Explored 429 nodes (4382 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%