Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:21 2012

Optimize a model with 51 rows, 142 columns and 142 nonzeros
Model has 100 quadratic constraints
Presolve removed 0 rows and 4 columns
Presolve time: 0.58s
Presolved: 51 rows, 138 columns, 138 nonzeros
Variable types: 100 continuous, 38 integer (37 binary)

Root relaxation: objective 0.000000e+00, 21 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

H    0     0                      28.0000000          -     -      -    0s
     0     0    0.00000    0   26   28.00000    0.00000   100%     -    0s
     0     0    0.12417    0   31   28.00000    0.12417   100%     -    0s
     0     2    0.13861    0   31   28.00000    0.13861   100%     -    0s
*   19    19              13       9.0000000    2.14557  76.2%  14.7    0s
*   30    15               7       6.0000000    2.27368  62.1%  13.6    0s

Cutting planes:
  Gomory: 1

Explored 86 nodes (1335 simplex iterations) in 0.63 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%