Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:01:25 2012

Optimize a model with 482 rows, 441 columns and 2620 nonzeros
Presolve removed 180 rows and 233 columns
Presolve time: 0.01s
Presolved: 302 rows, 208 columns, 2477 nonzeros
Variable types: 20 continuous, 188 integer (188 binary)

Root relaxation: objective 3.027778e+02, 88 iterations, 0.00 seconds

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

     0     0  302.77785    0   41          -  302.77785     -      -    0s
     0     0  311.89757    0   15          -  311.89757     -      -    0s
     0     0  312.50000    0   12          -  312.50000     -      -    0s
     0     0  312.50000    0    8          -  312.50000     -      -    0s
     0     0  312.50000    0    8          -  312.50000     -      -    0s
H    0     0                     338.0000000  312.50000  7.54%     -    0s
     0     0  312.50000    0   29  338.00000  312.50000  7.54%     -    0s
     0     0  312.50000    0   11  338.00000  312.50000  7.54%     -    0s
     0     0  312.50000    0    8  338.00000  312.50000  7.54%     -    0s
     0     0  312.50000    0    8  338.00000  312.50000  7.54%     -    0s
     0     2  312.50000    0    8  338.00000  312.50000  7.54%     -    0s

Cutting planes:
  Learned: 4
  Cover: 20
  Implied bound: 2
  Clique: 6
  MIR: 4
  GUB cover: 3
  Zero half: 1
  Mod-K: 1

Explored 109 nodes (1070 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.380000000000e+02, best bound 3.380000000000e+02, gap 0.0%