Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:37:39 2012

Optimize a model with 147 rows, 370 columns and 370 nonzeros
Model has 292 quadratic constraints
Presolve time: 1.70s
Presolved: 147 rows, 370 columns, 370 nonzeros
Variable types: 292 continuous, 78 integer (78 binary)

Root relaxation: objective 0.000000e+00, 39 iterations, 0.00 seconds

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

H    0     0                      75.0000000          -     -      -    1s
     0     0    0.00000    0   72   75.00000    0.00000   100%     -    1s
     0     0    0.32826    0   77   75.00000    0.32826   100%     -    1s
     0     2    0.42910    0   77   75.00000    0.42910  99.4%     -    1s
H   16    16                      67.0000000    2.69697  96.0%  42.0    1s
H   41    41                      34.0000000    2.69697  92.1%  27.8    1s
*   41    41              25      33.0000000    2.69697  91.8%  28.1    1s
*   76    68              23      30.0000000    2.85000  90.5%  31.6    1s
H  100    69                      27.0000000    5.16486  80.9%  30.0    1s
H  185   115                      26.0000000    6.73333  74.1%  27.9    1s
*  277   120              14      24.0000000    9.11111  62.0%  25.7    1s
*  569   173              16      23.0000000   11.54545  49.8%  27.0    2s
* 1032   281              45      22.0000000   12.16667  44.7%  32.1    3s
H 1367   192                      21.0000000   12.90000  38.6%  28.8    3s

Explored 2114 nodes (53136 simplex iterations) in 4.29 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%