Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:42 2012

Optimize a model with 158 rows, 476 columns and 476 nonzeros
Model has 314 quadratic constraints
Presolve removed 0 rows and 21 columns
Presolve time: 1.83s
Presolved: 158 rows, 455 columns, 455 nonzeros
Variable types: 314 continuous, 141 integer (140 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   12   73.00000    0.00000   100%     -    1s
     0     0    0.00000    0   93   73.00000    0.00000   100%     -    1s
     0     0    0.00000    0   92   73.00000    0.00000   100%     -    1s
     0     2    0.00000    0   90   73.00000    0.00000   100%     -    1s
*   33    31              22       8.0000000    0.86792  89.2%  35.3    1s
*   53    34              12       7.0000000    0.96552  86.2%  31.9    1s
H  237    55                       7.0000000    4.16280  40.5%  23.8    2s
H  282    33                       6.0000000    4.48214  25.3%  22.3    2s

Cutting planes:

Explored 337 nodes (8523 simplex iterations) in 2.13 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%