Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:27 2013

Optimize a model with 570 rows, 1760 columns and 4505 nonzeros
Presolve removed 10 rows and 15 columns
Presolve time: 0.05s
Presolved: 560 rows, 1745 columns, 3490 nonzeros
Variable types: 1250 continuous, 495 integer (495 binary)

Root relaxation: objective 9.601887e+03, 28 iterations, 0.00 seconds

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

     0     0 9601.88662    0    1          - 9601.88662     -      -    0s
     0     0 9602.10993    0    2          - 9602.10993     -      -    0s
     0     0 9602.10993    0    2          - 9602.10993     -      -    0s
     0     2 9602.32856    0    2          - 9602.32856     -      -    0s
*  158    81             157    9659.5026973 9604.51431  0.57%   1.8    0s
H  295   112                    9657.2584572 9608.67893  0.50%   1.8    0s
H  349    45                    9647.4745431 9613.00879  0.36%   1.8    0s
H  403    33                    9635.5429944 9617.23724  0.19%   1.9    0s
*  429    37              17    9634.2426864 9621.35726  0.13%   1.9    0s
*  431    31              16    9633.4419215 9621.35726  0.13%   1.9    0s
*  432    27              15    9632.6344983 9621.35726  0.12%   1.9    0s
*  436     0               5    9624.2169973 9624.21700   0.0%   1.9    0s

Cutting planes:
  Gomory: 1

Explored 437 nodes (1063 simplex iterations) in 0.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.624216997301e+03, best bound 9.624216997301e+03, gap 0.0%