Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:53:44 2013

Optimize a model with 15225 rows, 2025 columns and 46575 nonzeros
Presolve removed 1861 rows and 1034 columns
Presolve time: 0.10s
Presolved: 13364 rows, 991 columns, 41016 nonzeros
Variable types: 22 continuous, 969 integer (969 binary)
Found heuristic solution: objective 40566.000000

Root relaxation: objective 3.005620e+04, 5609 iterations, 0.23 seconds

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

     0     0 30056.2000    0    8 40566.0000 30056.2000  25.9%     -    0s
H    0     0                    30074.000000 30056.2000  0.06%     -    0s
H    0     0                    30070.000000 30056.2000  0.05%     -    0s
     0     0 30056.2000    0   17 30070.0000 30056.2000  0.05%     -    0s
     0     0 30056.2000    0   12 30070.0000 30056.2000  0.05%     -    0s
H    0     0                    30068.000000 30056.2000  0.04%     -    0s
     0     0 30056.2000    0   15 30068.0000 30056.2000  0.04%     -    0s
     0     2 30056.2000    0   14 30068.0000 30056.2000  0.04%     -    0s
H   10     7                    30067.000000 30057.0000  0.03%   1.7    0s
H   10     6                    30060.000000 30057.0000  0.01%   1.7    0s

Cutting planes:
  Gomory: 1
  MIR: 3
  Zero half: 1

Explored 10 nodes (8383 simplex iterations) in 0.78 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.006000000000e+04, best bound 3.005700000000e+04, gap 0.0100%