Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:58 2013

Optimize a model with 15639 rows, 15249 columns and 60879 nonzeros
Presolve removed 511 rows and 0 columns
Presolve time: 0.08s
Presolved: 15128 rows, 15249 columns, 59857 nonzeros
Variable types: 15210 continuous, 39 integer (39 binary)

Root relaxation: objective 4.510611e+04, 2883 iterations, 0.20 seconds

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

     0     0 45106.1084    0    1          - 45106.1084     -      -    0s
H    0     0                    45265.000000 45106.1084  0.35%     -    0s
H    0     0                    45233.000000 45106.1084  0.28%     -    0s
     0     0 45106.5155    0    3 45233.0000 45106.5155  0.28%     -    0s
     0     0 45106.5452    0    2 45233.0000 45106.5452  0.28%     -    0s
     0     2 45112.2916    0    2 45233.0000 45112.2916  0.27%     -    0s

Cutting planes:
  Gomory: 1

Explored 3 nodes (2975 simplex iterations) in 0.79 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.523300000000e+04, best bound 4.523300000000e+04, gap 0.0%