Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:01:35 2012

Optimize a model with 902 rows, 840 columns and 3600 nonzeros
Presolve removed 187 rows and 52 columns
Presolve time: 0.02s
Presolved: 715 rows, 788 columns, 3274 nonzeros
Variable types: 374 continuous, 414 integer (414 binary)

Root relaxation: objective 2.041931e+02, 700 iterations, 0.01 seconds

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

     0     0  204.19314    0   38          -  204.19314     -      -    0s
     0     0  236.71567    0   38          -  236.71567     -      -    0s
     0     0  241.25327    0   39          -  241.25327     -      -    0s
     0     0  244.07251    0   47          -  244.07251     -      -    0s
     0     0  252.09495    0   40          -  252.09495     -      -    0s
     0     0  252.91519    0   45          -  252.91519     -      -    0s
     0     0  253.37029    0   44          -  253.37029     -      -    0s
     0     0  253.37560    0   44          -  253.37560     -      -    0s
     0     0  253.37560    0   42          -  253.37560     -      -    0s
     0     2  253.37981    0   42          -  253.37981     -      -    0s
*   34    17              25     371.0000000  257.23307  30.7%  49.2    0s
H   94    39                     365.0000000  266.38712  27.0%  42.5    0s
H  257    70                     338.0000000  275.52264  18.5%  34.0    0s

Cutting planes:
  Gomory: 1
  Cover: 33
  Implied bound: 23
  Flow cover: 34
  GUB cover: 2

Explored 674 nodes (22285 simplex iterations) in 1.31 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%