Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:55 2013

Optimize a model with 12670 rows, 12320 columns and 49070 nonzeros
Presolve removed 35 rows and 0 columns
Presolve time: 0.05s
Presolved: 12635 rows, 12320 columns, 49035 nonzeros
Variable types: 12285 continuous, 35 integer (35 binary)

Root relaxation: objective 3.188063e+04, 1849 iterations, 0.24 seconds

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

     0     0 31880.6268    0   23          - 31880.6268     -      -    0s
H    0     0                    36040.000000 31880.6268  11.5%     -    0s
     0     0 35770.1572    0    4 36040.0000 35770.1572  0.75%     -    0s
H    0     0                    35854.000000 35770.1572  0.23%     -    0s
     0     0 35770.6472    0    3 35854.0000 35770.6472  0.23%     -    0s
     0     0 35796.5375    0    3 35854.0000 35796.5375  0.16%     -    0s
H    0     0                    35843.000000 35796.5375  0.13%     -    0s
     0     0 35796.5375    0   22 35843.0000 35796.5375  0.13%     -    1s
     0     0 35796.5375    0    4 35843.0000 35796.5375  0.13%     -    1s
     0     0 35796.5375    0    3 35843.0000 35796.5375  0.13%     -    1s
     0     2 35801.9375    0    3 35843.0000 35801.9375  0.11%     -    1s

Cutting planes:
  Gomory: 1
  Implied bound: 22

Explored 7 nodes (5043 simplex iterations) in 1.89 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.584300000000e+04, best bound 3.583981250000e+04, gap 0.0089%