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 52 quadratic objective terms
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 53 rows, 93 columns, 197 nonzeros
Variable types: 0 continuous, 93 integer (92 binary)
Found heuristic solution: objective 16.0000000

Root relaxation: objective 0.000000e+00, 63 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   16   16.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   30   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12   13.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   16   12.00000    0.00000   100%     -    0s
     0     0    0.00000    0   16   12.00000    0.00000   100%     -    0s
     0     2    0.00000    0   14   12.00000    0.00000   100%     -    0s
H   25    25                      11.0000000    0.00000   100%   3.3    0s
H  110    74                      10.0000000    0.00000   100%   4.9    0s
*  141    71              18       9.0000000    0.00000   100%   4.9    0s
H  187    75                       8.0000000    0.00000   100%   6.0    0s
*  241    67              14       7.0000000    1.00000  85.7%   7.4    0s

Cutting planes:
  Gomory: 1
  Cover: 97
  MIR: 4

Explored 325 nodes (3760 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%