Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:32 2013

Optimize a model with 580 rows, 1265 columns and 4025 nonzeros
Presolve removed 5 rows and 5 columns
Presolve time: 0.05s
Presolved: 575 rows, 1260 columns, 3520 nonzeros
Variable types: 760 continuous, 500 integer (500 binary)

Root relaxation: objective 1.024210e+04, 44 iterations, 0.00 seconds

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

     0     0 10242.1039    0    2          - 10242.1039     -      -    0s
     0     0 10261.6200    0    2          - 10261.6200     -      -    0s
     0     0 10266.8270    0    4          - 10266.8270     -      -    0s
     0     0 10272.1971    0    5          - 10272.1971     -      -    0s
     0     0 10273.0249    0    6          - 10273.0249     -      -    0s
     0     0 10273.1085    0    6          - 10273.1085     -      -    0s
     0     0 10273.1921    0    6          - 10273.1921     -      -    0s
     0     0 10273.1921    0    6          - 10273.1921     -      -    0s
H    0     0                    10588.736867 10273.1921  2.98%     -    0s
     0     2 10273.1921    0    6 10588.7369 10273.1921  2.98%     -    0s
*   20     4              13    10336.395479 10336.3955   0.0%   5.1    0s

Cutting planes:
  Gomory: 2
  Implied bound: 9
  Flow cover: 2

Explored 21 nodes (225 simplex iterations) in 0.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.033639547902e+04, best bound 1.033639547902e+04, gap 0.0%