Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:18 2012

Optimize a model with 56 rows, 159 columns and 159 nonzeros
Model has 110 quadratic constraints
Presolve removed 0 rows and 6 columns
Presolve time: 0.64s
Presolved: 56 rows, 153 columns, 153 nonzeros
Variable types: 110 continuous, 43 integer (42 binary)

Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds

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

H    0     0                      33.0000000          -     -      -    0s
     0     0    0.00000    0    7   33.00000    0.00000   100%     -    0s
     0     0    0.00000    0   37   33.00000    0.00000   100%     -    0s
     0     0    0.00000    0   35   33.00000    0.00000   100%     -    0s
     0     2    0.00000    0   34   33.00000    0.00000   100%     -    0s
*   15    14              10       7.0000000    1.93548  72.4%  24.9    0s
*   28    17               9       6.0000000    2.04000  66.0%  17.2    0s
*   33    10               4       5.0000000    2.15685  56.9%  16.7    0s
*   38     9               6       4.0000000    2.15685  46.1%  15.7    0s

Cutting planes:

Explored 49 nodes (1108 simplex iterations) in 0.68 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%