Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:00:46 2012

Optimize a model with 203 rows, 600 columns and 600 nonzeros
Model has 404 quadratic constraints
Presolve removed 0 rows and 20 columns
Presolve time: 2.35s
Presolved: 203 rows, 580 columns, 580 nonzeros
Variable types: 404 continuous, 176 integer (175 binary)

Root relaxation: objective 0.000000e+00, 71 iterations, 0.00 seconds

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

H    0     0                      90.0000000          -     -      -    2s
     0     0    0.00000    0   35   90.00000    0.00000   100%     -    2s
     0     0    0.00000    0    3   90.00000    0.00000   100%     -    2s
     0     0    0.00000    0  128   90.00000    0.00000   100%     -    2s
     0     2    0.00000    0  123   90.00000    0.00000   100%     -    2s
H   35    35                      17.0000000    2.83537  83.3%  37.9    2s
*   35    35              24      16.0000000    2.83537  82.3%  39.0    2s
H  108    37                      12.0000000    3.59740  70.0%  22.0    2s
*  264    60              12      11.0000000    5.60793  49.0%  17.0    2s
H  295    46                      10.0000000    6.12245  38.8%  16.5    2s

Cutting planes:

Explored 457 nodes (9233 simplex iterations) in 2.83 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.999999998852e+00, best bound 9.999999998852e+00, gap 0.0%