Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:28:40 2012

Optimize a model with 138 rows, 325 columns and 325 nonzeros
Model has 274 quadratic constraints
Presolve time: 1.62s
Presolved: 138 rows, 325 columns, 325 nonzeros
Variable types: 274 continuous, 51 integer (51 binary)

Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds

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

H    0     0                      68.0000000          -     -      -    1s
     0     0    0.00000    0   16   68.00000    0.00000   100%     -    1s
     0     0    0.00000    0   20   68.00000    0.00000   100%     -    1s
     0     0    0.00000    0   51   68.00000    0.00000   100%     -    1s
     0     2    0.00000    0   51   68.00000    0.00000   100%     -    1s
H   47    46                      41.0000000    5.20000  87.3%  37.1    1s
*   78    56              19      33.0000000    5.20000  84.2%  32.6    1s
*   79    50              19      32.0000000    5.20000  83.8%  32.2    1s
*  487   174              14      31.0000000   15.69565  49.4%  33.5    2s
*  972   133              14      30.0000000   23.15516  22.8%  32.1    2s

Cutting planes:

Explored 1318 nodes (40304 simplex iterations) in 2.66 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%