Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:01:12 2012

Optimize a model with 482 rows, 441 columns and 2600 nonzeros
Presolve removed 276 rows and 321 columns
Presolve time: 0.01s
Presolved: 206 rows, 120 columns, 1272 nonzeros
Variable types: 17 continuous, 103 integer (103 binary)

Root relaxation: objective 3.095000e+02, 63 iterations, 0.00 seconds

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

     0     0  309.50000    0   13          -  309.50000     -      -    0s
H    0     0                     341.0000000  309.50000  9.24%     -    0s
H    0     0                     332.0000000  309.50000  6.78%     -    0s
     0     0  312.13642    0   10  332.00000  312.13642  5.98%     -    0s
     0     0  312.13642    0    8  332.00000  312.13642  5.98%     -    0s
     0     0  312.16027    0   11  332.00000  312.16027  5.98%     -    0s
     0     0  313.00000    0    8  332.00000  313.00000  5.72%     -    0s
     0     0  313.00000    0    8  332.00000  313.00000  5.72%     -    0s
H    0     0                     326.0000000  313.00000  3.99%     -    0s
H    0     0                     318.0000000  313.00000  1.57%     -    0s
H    0     0                     317.0000000  313.00000  1.26%     -    0s
     0     2  313.00000    0    8  317.00000  313.00000  1.26%     -    0s

Cutting planes:
  Gomory: 1

Explored 5 nodes (207 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.170000000000e+02, best bound 3.170000000000e+02, gap 0.0%