Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:53 2012

Optimize a model with 148 rows, 457 columns and 457 nonzeros
Model has 294 quadratic constraints
Presolve removed 0 rows and 22 columns
Presolve time: 1.72s
Presolved: 148 rows, 435 columns, 435 nonzeros
Variable types: 294 continuous, 141 integer (140 binary)

Root relaxation: objective 0.000000e+00, 53 iterations, 0.00 seconds

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

H    0     0                      72.0000000          -     -      -    1s
     0     0    0.00000    0   71   72.00000    0.00000   100%     -    1s
     0     0    0.00000    0   81   72.00000    0.00000   100%     -    1s
     0     0    0.00000    0  104   72.00000    0.00000   100%     -    1s
     0     2    0.00000    0  104   72.00000    0.00000   100%     -    1s
*   33    33              22       8.0000000    0.65385  91.8%  32.1    1s
*   67    42              22       6.0000000    0.84127  86.0%  24.3    1s
*  121    54              47       5.0000000    1.26250  74.8%  17.4    1s
H  325    91                       5.0000000    3.66574  26.7%  20.3    1s
*  326     6               6       4.0000000    3.66574  8.36%  20.5    1s

Cutting planes:

Explored 332 nodes (8961 simplex iterations) in 2.00 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%