Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:24:17 2012

Optimize a model with 482 rows, 441 columns and 2732 nonzeros
Presolve removed 89 rows and 126 columns
Presolve time: 0.02s
Presolved: 393 rows, 315 columns, 3362 nonzeros
Variable types: 20 continuous, 295 integer (295 binary)

Root relaxation: objective 2.385516e+02, 124 iterations, 0.00 seconds

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

     0     0  238.55156    0   38          -  238.55156     -      -    0s
     0     0  261.16546    0   46          -  261.16546     -      -    0s
     0     0  263.32778    0   43          -  263.32778     -      -    0s
     0     0  263.56318    0   46          -  263.56318     -      -    0s
     0     0  263.56318    0   47          -  263.56318     -      -    0s
     0     0  263.56318    0   48          -  263.56318     -      -    0s
     0     0  263.56318    0   48          -  263.56318     -      -    0s
     0     0  263.56318    0   48          -  263.56318     -      -    0s
     0     2  264.72899    0   48          -  264.72899     -      -    0s
*  113    50              13     322.0000000  267.42012  17.0%   9.5    0s
*  163    51              14     314.0000000  270.00000  14.0%   9.7    0s
H  306    50                     301.0000000  278.31803  7.54%   9.1    0s
*  576    38              12     300.0000000  292.84536  2.38%   8.8    0s

Cutting planes:
  Learned: 1
  Gomory: 1
  Cover: 48
  Implied bound: 5
  Clique: 2
  MIR: 10
  GUB cover: 11

Explored 661 nodes (6144 simplex iterations) in 0.49 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+02, best bound 3.000000000000e+02, gap 0.0%