Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:25 2012

Optimize a model with 1 rows, 43 columns and 43 nonzeros
Model has 61 quadratic objective terms
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 62 rows, 102 columns, 224 nonzeros
Variable types: 0 continuous, 102 integer (101 binary)
Found heuristic solution: objective 20.0000000

Root relaxation: objective 0.000000e+00, 82 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   18   20.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   38   17.00000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   12   16.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   15   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   10   10.00000    0.00000   100%     -    0s
H  138    72                       9.0000000    0.00000   100%   6.6    0s
*  161    68               8       8.0000000    1.00000  87.5%   7.2    0s
*  165    53              11       7.0000000    1.00000  85.7%   7.2    0s

Cutting planes:
  Cover: 112
  MIR: 6
  Zero half: 1

Explored 238 nodes (3598 simplex iterations) in 0.06 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%