Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:58:34 2013

Optimize a model with 15678 rows, 15288 columns and 60918 nonzeros
Presolve removed 39 rows and 0 columns
Presolve time: 0.07s
Presolved: 15639 rows, 15288 columns, 60879 nonzeros
Variable types: 15249 continuous, 39 integer (39 binary)

Root relaxation: objective 3.248196e+04, 1655 iterations, 0.27 seconds

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

     0     0 32481.9571    0   31          - 32481.9571     -      -    0s
H    0     0                    38546.000000 32481.9571  15.7%     -    0s
     0     0 35586.0253    0    8 38546.0000 35586.0253  7.68%     -    1s
H    0     0                    38362.468217 35586.0253  7.24%     -    1s
H    0     0                    36847.000000 35586.0253  3.42%     -    1s
     0     0 35743.9134    0    2 36847.0000 35743.9134  2.99%     -    1s
H    0     0                    36123.134199 35743.9134  1.05%     -    1s
H    0     0                    35972.000000 35743.9134  0.63%     -    1s
H    0     0                    35811.000000 35743.9134  0.19%     -    1s
H    0     0                    35747.000000 35743.9134  0.01%     -    1s

Cutting planes:
  Implied bound: 31

Explored 0 nodes (2731 simplex iterations) in 1.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.574700000000e+04, best bound 3.574391341991e+04, gap 0.0086%