Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:30:36 2012

Optimize a model with 179 rows, 416 columns and 416 nonzeros
Model has 356 quadratic constraints
Presolve time: 2.07s
Presolved: 179 rows, 416 columns, 416 nonzeros
Variable types: 356 continuous, 60 integer (60 binary)

Root relaxation: objective 0.000000e+00, 30 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   41   93.00000    0.00000   100%     -    2s
     0     0    0.27743    0   59   93.00000    0.27743   100%     -    2s
     0     2    0.34211    0   59   93.00000    0.34211   100%     -    2s
H   46    46                      52.0000000    5.10681  90.2%  33.9    2s
*   76    62              18      49.0000000    5.37533  89.0%  35.5    2s
H  112    87                      48.0000000    8.01754  83.3%  35.3    2s
H  151   117                      46.0000000    8.02647  82.6%  38.2    2s
*  200   151              25      45.0000000    8.43750  81.2%  37.8    2s
  1527   603   42.06667   36  244   45.00000   20.00000  55.6%  36.5    5s
H 1710   584                      44.0000000   20.61538  53.1%  34.6    5s
H 2339   785                      43.0000000   22.68085  47.3%  30.9    5s
  4027  1184   31.47170   40  252   43.00000   26.59279  38.2%  26.8   10s
  6630  1485     cutoff   43        43.00000   30.02592  30.2%  24.2   15s
H 7145  1472                      42.0000000   30.59357  27.2%  24.0   16s
  9367  1432   40.72340   38  242   42.00000   33.05540  21.3%  23.0   20s
 12592   782   40.35604   43  229   42.00000   36.71410  12.6%  22.1   25s

Explored 13860 nodes (298497 simplex iterations) in 26.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.200000000000e+01, best bound 4.200000000000e+01, gap 0.0%