Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:27:40 2012

Optimize a model with 442 rows, 441 columns and 2004 nonzeros
Presolve removed 118 rows and 75 columns
Presolve time: 0.01s
Presolved: 324 rows, 366 columns, 4004 nonzeros
Variable types: 20 continuous, 346 integer (346 binary)

Root relaxation: objective 1.521905e+02, 97 iterations, 0.00 seconds

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

     0     0  152.19048    0   25          -  152.19048     -      -    0s
     0     0  159.00000    0   31          -  159.00000     -      -    0s
     0     0  160.00000    0   35          -  160.00000     -      -    0s
     0     0  160.00000    0   35          -  160.00000     -      -    0s
     0     0  160.00000    0   28          -  160.00000     -      -    0s
     0     2  162.00000    0   28          -  162.00000     -      -    0s
*  122    54              13     237.0000000  163.50000  31.0%  10.9    0s
*  152    62              13     227.0000000  166.80000  26.5%  10.8    0s
*  227    74              10     220.0000000  170.52848  22.5%  10.9    0s
H  341    87                     211.0000000  173.44118  17.8%   9.8    0s
*  357    66              12     201.0000000  173.66667  13.6%   9.7    0s

Cutting planes:
  Cover: 43
  Implied bound: 41
  Clique: 3
  MIR: 3

Explored 555 nodes (5385 simplex iterations) in 0.38 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.010000000000e+02, best bound 2.010000000000e+02, gap 0.0%