Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:18:11 2013

Optimize a model with 29754 rows, 29214 columns and 116694 nonzeros
Presolve removed 1527 rows and 0 columns
Presolve time: 0.17s
Presolved: 28227 rows, 29214 columns, 113640 nonzeros
Variable types: 29160 continuous, 54 integer (54 binary)

Root relaxation: objective 5.408679e+04, 4166 iterations, 0.45 seconds

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

     0     0 54086.7879    0    1          - 54086.7879     -      -    0s
H    0     0                    54438.000000 54086.7879  0.65%     -    0s
     0     0 54086.8146    0    2 54438.0000 54086.8146  0.65%     -    0s
     0     2 54095.6034    0    2 54438.0000 54095.6034  0.63%     -    1s
H    4     4                    54371.819277 54352.6867  0.04%   123    2s
*    5     1               4    54353.000000 54353.0000   0.0%   105    2s

Cutting planes:
  Gomory: 1

Explored 6 nodes (4691 simplex iterations) in 2.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.435300000000e+04, best bound 5.435300000000e+04, gap 0.0%