Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:41 2012

Optimize a model with 154 rows, 485 columns and 485 nonzeros
Model has 306 quadratic constraints
Presolve removed 0 rows and 36 columns
Presolve time: 1.78s
Presolved: 154 rows, 449 columns, 449 nonzeros
Variable types: 306 continuous, 143 integer (142 binary)

Root relaxation: objective 0.000000e+00, 55 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   10   72.00000    0.00000   100%     -    1s
     0     0    0.00000    0   22   72.00000    0.00000   100%     -    1s
     0     0    0.00000    0   76   72.00000    0.00000   100%     -    1s
     0     2    0.00000    0   74   72.00000    0.00000   100%     -    1s
*   32    32              25      10.0000000    0.60848  93.9%  28.2    1s
*   52    39              15       9.0000000    0.90795  89.9%  27.8    1s
*   63    44              23       8.0000000    0.90795  88.7%  24.7    1s
*  133    29               6       5.0000000    1.42667  71.5%  18.7    1s
*  139    26               8       4.0000000    1.42667  64.3%  18.5    1s

Cutting planes:

Explored 200 nodes (4745 simplex iterations) in 1.97 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%