Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:18:27 2013

Optimize a model with 594 rows, 29214 columns and 58374 nonzeros
Presolve time: 0.04s
Presolved: 594 rows, 29214 columns, 58374 nonzeros
Variable types: 29160 continuous, 54 integer (54 binary)

Root relaxation: objective 5.373426e+04, 960 iterations, 0.02 seconds

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

     0     0 53734.2580    0   13          - 53734.2580     -      -    0s
H    0     0                    55069.000000 53734.2580  2.42%     -    0s
H    0     0                    54353.000000 53734.2580  1.14%     -    0s
     0     0 54051.9263    0    3 54353.0000 54051.9263  0.55%     -    0s
     0     0 54078.9844    0    4 54353.0000 54078.9844  0.50%     -    0s
     0     0 54078.9844    0   13 54353.0000 54078.9844  0.50%     -    0s
     0     0 54078.9844    0    3 54353.0000 54078.9844  0.50%     -    0s
     0     0 54078.9844    0    4 54353.0000 54078.9844  0.50%     -    0s
     0     0 54086.2617    0    3 54353.0000 54086.2617  0.49%     -    0s
     0     0 54086.7879    0    1 54353.0000 54086.7879  0.49%     -    0s
     0     0 54086.7879    0    1 54353.0000 54086.7879  0.49%     -    0s
     0     0 54086.7879    0    1 54353.0000 54086.7879  0.49%     -    0s
     0     2 54100.0000    0    1 54353.0000 54100.0000  0.47%     -    0s

Cutting planes:
  Implied bound: 89

Explored 5 nodes (2256 simplex iterations) in 0.71 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.435300000000e+04, best bound 5.434800000000e+04, gap 0.0092%