Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:53:14 2013

Optimize a model with 13287 rows, 1849 columns and 40678 nonzeros
Presolve removed 2008 rows and 957 columns
Presolve time: 0.10s
Presolved: 11279 rows, 892 columns, 34512 nonzeros
Variable types: 17 continuous, 875 integer (875 binary)
Found heuristic solution: objective 45252.000000

Root relaxation: objective 3.378110e+04, 3910 iterations, 0.15 seconds

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

     0     0 33781.0952    0    7 45252.0000 33781.0952  25.3%     -    0s
H    0     0                    33785.000000 33781.0952  0.01%     -    0s
     0     0 33782.0000    0   14 33785.0000 33782.0000  0.01%     -    0s

Cutting planes:
  Gomory: 3
  MIR: 5

Explored 0 nodes (4103 simplex iterations) in 0.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.378500000000e+04, best bound 3.378200000000e+04, gap 0.0089%