Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:12:56 2013

Optimize a model with 696 rows, 256 columns and 2176 nonzeros
Presolve removed 137 rows and 124 columns
Presolve time: 0.00s
Presolved: 559 rows, 132 columns, 1846 nonzeros
Variable types: 13 continuous, 119 integer (119 binary)
Found heuristic solution: objective 4269.0000000
Found heuristic solution: objective 4231.0000000

Root relaxation: objective 2.653273e+03, 60 iterations, 0.00 seconds

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

     0     0 2653.27273    0    5 4231.00000 2653.27273  37.3%     -    0s
     0     0 2657.12195    0    5 4231.00000 2657.12195  37.2%     -    0s
H    0     0                    2665.0000000 2657.12195  0.30%     -    0s
H    0     0                    2660.0000000 2657.12195  0.11%     -    0s
     0     0 2657.41935    0    9 2660.00000 2657.41935  0.10%     -    0s
     0     0 2657.41935    0    2 2660.00000 2657.41935  0.10%     -    0s
     0     0 2657.41935    0    7 2660.00000 2657.41935  0.10%     -    0s
     0     0 2658.69378    0    9 2660.00000 2658.69378  0.05%     -    0s
     0     0 2658.85714    0    2 2660.00000 2658.85714  0.04%     -    0s

Cutting planes:
  Gomory: 1
  MIR: 5
  GUB cover: 1

Explored 0 nodes (130 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.660000000000e+03, best bound 2.660000000000e+03, gap 0.0%