Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:42:21 2012

Optimize a model with 158 rows, 488 columns and 488 nonzeros
Model has 314 quadratic constraints
Presolve removed 0 rows and 22 columns
Presolve time: 1.83s
Presolved: 158 rows, 466 columns, 466 nonzeros
Variable types: 314 continuous, 152 integer (151 binary)

Root relaxation: objective 0.000000e+00, 57 iterations, 0.00 seconds

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

H    0     0                      73.0000000          -     -      -    1s
     0     0    0.00000    0   71   73.00000    0.00000   100%     -    1s
     0     0    0.00000    0   21   73.00000    0.00000   100%     -    1s
     0     0    0.00000    0  115   73.00000    0.00000   100%     -    1s
     0     2    0.00000    0  113   73.00000    0.00000   100%     -    1s
H   35    35                       9.0000000    1.45200  83.9%  33.2    1s
*   36    36              21       7.0000000    1.45200  79.3%  33.2    1s
*   55    40              13       6.0000000    1.45651  75.7%  30.0    1s
*  112    22               6       5.0000000    3.00000  40.0%  19.0    2s
*  121     8               8       4.0000000    3.00000  25.0%  19.3    2s

Cutting planes:

Explored 132 nodes (4973 simplex iterations) in 2.02 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%