Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:20:22 2012

Optimize a model with 121 rows, 304 columns and 304 nonzeros
Model has 240 quadratic constraints
Presolve time: 1.40s
Presolved: 121 rows, 304 columns, 304 nonzeros
Variable types: 240 continuous, 64 integer (64 binary)

Root relaxation: objective 0.000000e+00, 32 iterations, 0.00 seconds

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

H    0     0                      58.0000000          -     -      -    1s
     0     0    0.00000    0   24   58.00000    0.00000   100%     -    1s
     0     0    0.00000    0    8   58.00000    0.00000   100%     -    1s
     0     0    0.00000    0    8   58.00000    0.00000   100%     -    1s
     0     2    0.00000    0    8   58.00000    0.00000   100%     -    1s
*   31    31              24      31.0000000    4.00000  87.1%  33.5    1s
H   47    36                      25.0000000    5.00000  80.0%  31.6    1s
*   50    32              14      24.0000000    5.00000  79.2%  32.9    1s
*   55    28              14      23.0000000    5.00000  78.3%  30.8    1s
*  347   124              12      22.0000000   11.05882  49.7%  24.7    1s
*  538   122              10      21.0000000   12.70587  39.5%  24.9    1s

Cutting planes:
  Gomory: 1

Explored 1382 nodes (31852 simplex iterations) in 2.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%