Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:47:25 2012

Optimize a model with 179 rows, 437 columns and 437 nonzeros
Model has 356 quadratic constraints
Presolve time: 2.07s
Presolved: 179 rows, 437 columns, 437 nonzeros
Variable types: 356 continuous, 81 integer (81 binary)

Root relaxation: objective 0.000000e+00, 40 iterations, 0.00 seconds

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

H    0     0                      93.0000000          -     -      -    2s
     0     0    0.00000    0   27   93.00000    0.00000   100%     -    2s
     0     0    0.00000    0   40   93.00000    0.00000   100%     -    2s
     0     0    0.00000    0   40   93.00000    0.00000   100%     -    2s
     0     2    0.00000    0   40   93.00000    0.00000   100%     -    2s
H   44    44                      46.0000000    3.89744  91.5%  28.0    2s
*   44    44              31      45.0000000    3.89744  91.3%  28.8    2s
H  139   114                      43.0000000    5.57333  87.0%  26.2    2s
*  305   231              26      40.0000000    6.08824  84.8%  30.7    2s
*  333   239              21      39.0000000    6.11452  84.3%  29.9    2s
*  428   242              21      35.0000000    8.27586  76.4%  29.2    2s
  1542   559   27.20284   31  244   35.00000   18.92308  45.9%  31.2    5s
  6182  1628   31.64163   32  254   35.00000   26.00000  25.7%  21.9   10s
* 9529  1659              42      34.0000000   28.00000  17.6%  20.2   13s
 11079  1388     cutoff   35        34.00000   29.21053  14.1%  19.9   15s
*11368  1060              40      33.0000000   29.45617  10.7%  19.8   15s
 12104   635   31.33325   35  250   33.00000   30.53113  7.48%  19.6   20s

Explored 12832 nodes (245408 simplex iterations) in 22.41 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.300000000000e+01, best bound 3.300000000000e+01, gap 0.0%