Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:58:38 2013

Optimize a model with 16440 rows, 16040 columns and 64040 nonzeros
Presolve removed 1979 rows and 0 columns
Presolve time: 0.09s
Presolved: 14461 rows, 16040 columns, 60082 nonzeros
Variable types: 16000 continuous, 40 integer (40 binary)

Root relaxation: objective 4.351742e+04, 2690 iterations, 0.20 seconds

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

     0     0 43517.4218    0    3          - 43517.4218     -      -    0s
H    0     0                    43644.000000 43517.4218  0.29%     -    0s
     0     0 43521.7245    0    5 43644.0000 43521.7245  0.28%     -    0s
     0     0 43521.7483    0    5 43644.0000 43521.7483  0.28%     -    0s
     0     0 43521.7600    0    5 43644.0000 43521.7600  0.28%     -    0s
     0     0 43536.4772    0    2 43644.0000 43536.4772  0.25%     -    0s
     0     0 43540.4286    0    1 43644.0000 43540.4286  0.24%     -    0s
H    0     0                    43643.000000 43540.4286  0.24%     -    0s
H    0     0                    43610.000000 43540.4286  0.16%     -    0s
     0     0 43540.4286    0    2 43610.0000 43540.4286  0.16%     -    0s
     0     0 43540.4378    0    3 43610.0000 43540.4378  0.16%     -    0s
     0     0 43540.6115    0    5 43610.0000 43540.6115  0.16%     -    1s
     0     2 43540.7162    0    5 43610.0000 43540.7162  0.16%     -    1s
*    3     1               1    43567.000000 43562.0000  0.01%  22.3    1s
*    4     0               2    43566.000000 43566.0000   0.0%  22.0    1s

Cutting planes:
  Gomory: 4

Explored 5 nodes (3549 simplex iterations) in 1.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.356600000000e+04, best bound 4.356600000000e+04, gap 0.0%