Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:51:28 2013

Optimize a model with 10700 rows, 1600 columns and 32800 nonzeros
Presolve removed 1716 rows and 829 columns
Presolve time: 0.07s
Presolved: 8984 rows, 771 columns, 27542 nonzeros
Variable types: 16 continuous, 755 integer (755 binary)
Found heuristic solution: objective 36359.000000

Root relaxation: objective 2.739375e+04, 3296 iterations, 0.10 seconds

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

     0     0 27393.7500    0    4 36359.0000 27393.7500  24.7%     -    0s
H    0     0                    27401.000000 27393.7500  0.03%     -    0s
     0     0 27395.8791    0   13 27401.0000 27395.8791  0.02%     -    0s
     0     0 27395.8791    0    6 27401.0000 27395.8791  0.02%     -    0s
     0     0 27397.6474    0   15 27401.0000 27397.6474  0.01%     -    0s
     0     0 27397.9730    0   16 27401.0000 27397.9730  0.01%     -    0s
     0     1 27398.1097    0   16 27401.0000 27398.1097  0.01%     -    0s

Cutting planes:
  Implied bound: 2
  MIR: 9
  Zero half: 1

Explored 4 nodes (3427 simplex iterations) in 0.28 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.740100000000e+04, best bound 2.739900000000e+04, gap 0.0073%