Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:37:08 2013

Optimize a model with 140 rows, 204 columns and 320 nonzeros
Model has 40 quadratic constraints
Presolve removed 20 rows and 20 columns
Presolve time: 0.24s
Presolved: 240 rows, 304 columns, 520 nonzeros
Variable types: 284 continuous, 20 integer (20 binary)

Root relaxation: objective 0.000000e+00, 80 iterations, 0.00 seconds

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

H    0     0                    2341.3326293          -     -      -    0s
     0     0    0.00000    0    3 2341.33263    0.00000   100%     -    0s
     0     0    0.00000    0    3 2341.33263    0.00000   100%     -    0s
     0     2    0.00000    0    3 2341.33263    0.00000   100%     -    0s
*   35    35              20    1898.2465704    0.00000   100%  29.5    0s
*   36    33              20    1798.4339217    0.00000   100%  28.7    0s
H   54    42                    1626.8708789    0.00000   100%  43.4    0s
*   75    56              20    1584.2020059    0.00000   100%  42.3    0s
H  994   391                    1553.2525063  293.32826  81.1%  43.0    2s
*  994   374              30    1553.2515021  293.32826  81.1%  43.0    2s
* 1864   419              30    1553.2515010  734.99675  52.7%  44.2    3s
  3257   620 1221.73892   20   10 1553.25150  957.47039  38.4%  44.2    5s
  7542   452 1461.71561   21    9 1553.25150 1309.34156  15.7%  41.4   10s

Cutting planes:

Explored 8925 nodes (348134 simplex iterations) in 11.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.553251517020e+03, best bound 1.553183108159e+03, gap 0.0044%