Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:23:48 2012

Optimize a model with 112 rows, 293 columns and 293 nonzeros
Model has 222 quadratic constraints
Presolve time: 1.30s
Presolved: 112 rows, 293 columns, 293 nonzeros
Variable types: 222 continuous, 71 integer (71 binary)

Root relaxation: objective 0.000000e+00, 35 iterations, 0.00 seconds

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

H    0     0                      56.0000000          -     -      -    1s
     0     0    0.00000    0    2   56.00000    0.00000   100%     -    1s
     0     0    0.00000    0    4   56.00000    0.00000   100%     -    1s
     0     0    0.00000    0   51   56.00000    0.00000   100%     -    1s
     0     2    0.00000    0   50   56.00000    0.00000   100%     -    1s
*   39    39              25      22.0000000    3.88235  82.4%  27.2    1s
H   93    52                      16.0000000    4.44030  72.2%  21.7    1s
*  418   120              10      15.0000000    8.10909  45.9%  19.7    1s

Explored 1186 nodes (25389 simplex iterations) in 2.76 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%