Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:17:39 2013

Optimize a model with 29754 rows, 29214 columns and 116694 nonzeros
Presolve removed 3912 rows and 0 columns
Presolve time: 0.17s
Presolved: 25842 rows, 29214 columns, 108870 nonzeros
Variable types: 29160 continuous, 54 integer (54 binary)

Root relaxation: objective 4.658974e+04, 3438 iterations, 0.37 seconds

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

     0     0 46589.7383    0    6          - 46589.7383     -      -    0s
H    0     0                    47738.000000 46589.7383  2.41%     -    0s
H    0     0                    46699.000000 46589.7383  0.23%     -    0s
     0     0 46612.4049    0    6 46699.0000 46612.4049  0.19%     -    0s
     0     0 46613.0562    0    6 46699.0000 46613.0562  0.18%     -    1s
     0     0 46613.0697    0    5 46699.0000 46613.0697  0.18%     -    1s
     0     0 46623.9723    0    4 46699.0000 46623.9723  0.16%     -    1s
     0     0 46624.2363    0    4 46699.0000 46624.2363  0.16%     -    1s
     0     0 46624.3841    0    4 46699.0000 46624.3841  0.16%     -    1s
     0     0 46624.3841    0    4 46699.0000 46624.3841  0.16%     -    2s
     0     0 46624.4780    0    5 46699.0000 46624.4780  0.16%     -    2s
     0     0 46624.5000    0    4 46699.0000 46624.5000  0.16%     -    2s
     0     0 46688.3754    0    3 46699.0000 46688.3754  0.02%     -    2s
     0     0 46688.3979    0    3 46699.0000 46688.3979  0.02%     -    2s
     0     0 46688.6206    0    2 46699.0000 46688.6206  0.02%     -    2s
     0     1 46688.8788    0    2 46699.0000 46688.8788  0.02%     -    2s

Cutting planes:
  Gomory: 1

Explored 2 nodes (4860 simplex iterations) in 2.71 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.669900000000e+04, best bound 4.669900000000e+04, gap 0.0%