Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:03:53 2012

Optimize a model with 3402 rows, 3280 columns and 14480 nonzeros
Presolve removed 327 rows and 130 columns
Presolve time: 0.11s
Presolved: 3075 rows, 3150 columns, 13775 nonzeros
Variable types: 1535 continuous, 1615 integer (1615 binary)

Root relaxation: objective 2.961592e+02, 4024 iterations, 0.23 seconds

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

     0     0  296.15917    0   79          -  296.15917     -      -    0s
     0     0  347.58153    0  101          -  347.58153     -      -    0s
     0     0  379.92116    0   68          -  379.92116     -      -    0s
     0     0  383.81223    0   64          -  383.81223     -      -    0s
     0     0  386.64322    0   51          -  386.64322     -      -    0s
     0     0  387.77408    0   34          -  387.77408     -      -    0s
     0     0  387.82653    0   34          -  387.82653     -      -    0s
     0     0  387.83601    0   35          -  387.83601     -      -    0s
     0     0  387.83601    0   35          -  387.83601     -      -    1s
     0     2  387.83601    0   35          -  387.83601     -      -    1s
*  152    50              28     422.0000000  393.65526  6.72%  55.5    3s
*  161    29              12     404.0000000  393.95810  2.49%  55.7    3s

Cutting planes:
  Gomory: 2
  Cover: 22
  Clique: 1
  Flow cover: 22
  GUB cover: 12

Explored 200 nodes (16414 simplex iterations) in 3.57 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.040000000000e+02, best bound 4.040000000000e+02, gap 0.0%