Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:32 2012

Optimize a model with 70 rows, 174 columns and 174 nonzeros
Model has 138 quadratic constraints
Presolve time: 0.81s
Presolved: 70 rows, 174 columns, 174 nonzeros
Variable types: 138 continuous, 36 integer (36 binary)

Root relaxation: objective 0.000000e+00, 18 iterations, 0.00 seconds

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

H    0     0                      30.0000000          -     -      -    0s
     0     0    0.00000    0   31   30.00000    0.00000   100%     -    0s
     0     0    0.48132    0   35   30.00000    0.48132  98.4%     -    0s
     0     2    0.50226    0   35   30.00000    0.50226  98.3%     -    0s
*   19    19              12      19.0000000    3.01099  84.2%  22.9    0s
*   40    32              16      16.0000000    3.60440  77.5%  19.4    0s
*  108    45               6      15.0000000    8.25000  45.0%  18.5    0s

Cutting planes:
  Gomory: 2

Explored 291 nodes (5031 simplex iterations) in 0.92 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%