Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:52:31 2012

Optimize a model with 169 rows, 519 columns and 519 nonzeros
Model has 336 quadratic constraints
Presolve removed 0 rows and 22 columns
Presolve time: 1.96s
Presolved: 169 rows, 497 columns, 497 nonzeros
Variable types: 336 continuous, 161 integer (160 binary)

Root relaxation: objective 0.000000e+00, 61 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   39   75.00000    0.00000   100%     -    1s
     0     0    0.00000    0   45   75.00000    0.00000   100%     -    1s
     0     0    0.00000    0   94   75.00000    0.00000   100%     -    1s
     0     2    0.00000    0   94   75.00000    0.00000   100%     -    2s
*   27    27              21      10.0000000    0.95238  90.5%  34.7    2s
H   60    22                       6.0000000    1.45098  75.8%  20.1    2s
H  118    54                       4.0000000    1.57143  60.7%  15.0    2s

Cutting planes:

Explored 240 nodes (5170 simplex iterations) in 2.18 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.999999998748e+00, best bound 3.999999998748e+00, gap 0.0%