Gurobi 5.0.1 (linux64) logging started Sun Nov 18 09:10:12 2012

Optimize a model with 278 rows, 794 columns and 794 nonzeros
Model has 554 quadratic constraints
Presolve removed 0 rows and 22 columns
Presolve time: 3.23s
Presolved: 278 rows, 772 columns, 772 nonzeros
Variable types: 554 continuous, 218 integer (217 binary)

Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds

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

H    0     0                     145.0000000          -     -      -    3s
     0     0    0.00000    0  153  145.00000    0.00000   100%     -    3s
     0     0    0.10544    0  194  145.00000    0.10544   100%     -    3s
     0     2    0.12879    0  194  145.00000    0.12879   100%     -    3s
H   54    54                      24.0000000    1.11364  95.4%  33.4    3s
*   74    67              43      21.0000000    1.11364  94.7%  29.8    3s
H  285   149                      17.0000000    2.83884  83.3%  34.3    3s
   601   216   12.94310    8  194   17.00000    5.53932  67.4%  34.3    6s
  1038   302   16.53562   36  457   17.00000    8.57229  49.6%  46.3   10s
  2913   181     cutoff   43        17.00000   14.20000  16.5%  38.6   15s
H 3141    35                      16.0000000   14.67768  8.26%  37.8   15s

Explored 3177 nodes (121155 simplex iterations) in 15.56 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%