Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:20 2012

Optimize a model with 1 rows, 40 columns and 40 nonzeros
Model has 82 quadratic objective terms
Presolve time: 0.00s
Presolved: 83 rows, 122 columns, 286 nonzeros
Variable types: 0 continuous, 122 integer (122 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 0.000000e+00, 107 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   36   33.00000    0.00000   100%     -    0s
     0     0    0.00000    0   32   33.00000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   34   24.00000    0.00000   100%     -    0s
     0     0    0.00000    0   38   24.00000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   29   20.00000    0.00000   100%     -    0s
*  259   133              17      19.0000000    1.00000  94.7%   8.5    0s
H  269   128                      18.0000000    2.00000  88.9%   8.8    0s
*  328   121              12      17.0000000    2.00000  88.2%  10.7    0s
*  480    76               8      16.0000000    9.00000  43.8%  15.0    0s

Cutting planes:
  Gomory: 3
  Cover: 158

Explored 572 nodes (8899 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%