Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:56 2012

Optimize a model with 1 rows, 57 columns and 57 nonzeros
Model has 71 quadratic objective terms
Presolve removed 0 rows and 5 columns
Presolve time: 0.00s
Presolved: 72 rows, 123 columns, 265 nonzeros
Variable types: 0 continuous, 123 integer (122 binary)
Found heuristic solution: objective 24.0000000

Root relaxation: objective 0.000000e+00, 87 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   23   24.00000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   31   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   15   23.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
H    0     0                      12.0000000    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
*  195   100              10       9.0000000    0.00000   100%   6.7    0s

Cutting planes:
  Gomory: 1
  Cover: 137

Explored 402 nodes (7429 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%