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

Optimize a model with 129 rows, 307 columns and 307 nonzeros
Model has 256 quadratic constraints
Presolve time: 1.49s
Presolved: 129 rows, 307 columns, 307 nonzeros
Variable types: 256 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                      69.0000000          -     -      -    1s
     0     0    0.00000    0    2   69.00000    0.00000   100%     -    1s
     0     0    0.00000    0   48   69.00000    0.00000   100%     -    1s
     0     0    0.00000    0   46   69.00000    0.00000   100%     -    1s
     0     2    0.00000    0   46   69.00000    0.00000   100%     -    1s
*   38    32              21      31.0000000    7.29167  76.5%  33.4    1s
*  110    72              14      30.0000000    8.32609  72.2%  33.0    1s
H  451   158                      29.0000000   14.80659  48.9%  29.4    1s

Cutting planes:

Explored 1697 nodes (45609 simplex iterations) in 2.59 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.900000000041e+01, best bound 2.900000000041e+01, gap 0.0%