Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:43:10 2013

Optimize a model with 9919 rows, 1521 columns and 30420 nonzeros
Presolve removed 1568 rows and 783 columns
Presolve time: 0.07s
Presolved: 8351 rows, 738 columns, 25768 nonzeros
Variable types: 20 continuous, 718 integer (718 binary)
Found heuristic solution: objective 25418.000000

Root relaxation: objective 1.676433e+04, 4368 iterations, 0.16 seconds

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

     0     0 16764.3333    0    8 25418.0000 16764.3333  34.0%     -    0s
H    0     0                    16777.000000 16764.3333  0.08%     -    0s
H    0     0                    16772.000000 16764.3333  0.05%     -    0s
     0     0 16764.3333    0   10 16772.0000 16764.3333  0.05%     -    0s
     0     0 16764.3333    0    5 16772.0000 16764.3333  0.05%     -    0s
H    0     0                    16768.000000 16764.3333  0.02%     -    0s
     0     0 16764.3333    0   18 16768.0000 16764.3333  0.02%     -    0s
     0     1 16764.3333    0   13 16768.0000 16764.3333  0.02%     -    0s
*  154    13              21    16767.000000 16765.1751  0.01%   6.8    0s

Cutting planes:
  Gomory: 2
  Cover: 2
  Implied bound: 1
  MIR: 9
  GUB cover: 1
  Zero half: 2

Explored 164 nodes (5746 simplex iterations) in 0.42 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.676700000000e+04, best bound 1.676600000000e+04, gap 0.0060%