Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:01:16 2012

Optimize a model with 482 rows, 441 columns and 2656 nonzeros
Presolve removed 197 rows and 242 columns
Presolve time: 0.01s
Presolved: 285 rows, 199 columns, 2222 nonzeros
Variable types: 19 continuous, 180 integer (180 binary)

Root relaxation: objective 2.872892e+02, 84 iterations, 0.00 seconds

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

     0     0  287.28921    0   35          -  287.28921     -      -    0s
     0     0  299.11534    0   29          -  299.11534     -      -    0s
     0     0  300.05939    0   31          -  300.05939     -      -    0s
     0     0  300.05939    0   31          -  300.05939     -      -    0s
     0     0  300.05939    0   26          -  300.05939     -      -    0s
H    0     0                     395.0000000  300.05939  24.0%     -    0s
     0     2  300.64138    0   26  395.00000  300.64138  23.9%     -    0s
H   27    20                     376.0000000  307.84929  18.1%   9.5    0s
H  352    77                     340.0000000  321.75789  5.37%   7.0    0s
H  434    71                     338.0000000  323.43702  4.31%   7.2    0s
*  684    16              16     335.0000000  332.00000  0.90%   7.1    0s

Cutting planes:
  Learned: 2
  Gomory: 4
  Cover: 31
  Implied bound: 1
  Clique: 3
  MIR: 6
  GUB cover: 2

Explored 724 nodes (5294 simplex iterations) in 0.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.350000000000e+02, best bound 3.350000000000e+02, gap 0.0%