Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:32 2012

Optimize a model with 1 rows, 44 columns and 44 nonzeros
Model has 54 quadratic objective terms
Presolve removed 0 rows and 5 columns
Presolve time: 0.00s
Presolved: 55 rows, 93 columns, 201 nonzeros
Variable types: 0 continuous, 93 integer (92 binary)
Found heuristic solution: objective 16.0000000

Root relaxation: objective 0.000000e+00, 72 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   14   16.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   22   12.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   12   11.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   15   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   18   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   18   10.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   18    9.00000    0.00000   100%     -    0s
*  143    74               9       8.0000000    0.00000   100%   4.9    0s
H  173    61                       7.0000000    0.25000  96.4%   6.2    0s

Cutting planes:
  Gomory: 2
  Cover: 103
  MIR: 1

Explored 248 nodes (2525 simplex iterations) in 0.05 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%