Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:25:20 2012

Optimize a model with 1762 rows, 1681 columns and 10294 nonzeros
Presolve removed 568 rows and 761 columns
Presolve time: 0.05s
Presolved: 1194 rows, 920 columns, 15674 nonzeros
Variable types: 40 continuous, 880 integer (880 binary)

Root relaxation: objective 3.411727e+02, 246 iterations, 0.01 seconds

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

     0     0  341.17267    0   70          -  341.17267     -      -    0s
     0     0  368.47997    0   49          -  368.47997     -      -    0s
     0     0  368.48963    0   59          -  368.48963     -      -    0s
     0     0  368.53098    0   45          -  368.53098     -      -    0s
     0     0  368.53309    0   46          -  368.53309     -      -    0s
     0     0  368.53309    0   46          -  368.53309     -      -    0s
     0     2  368.53309    0   46          -  368.53309     -      -    0s
   648   468  392.87331   15   65          -  388.41860     -   14.4    5s
H 3977  1588                     420.0000000  391.49819  6.79%  14.5    9s
  4105  1656  392.19822   34   69  420.00000  391.61865  6.76%  14.4   10s
* 4278  1616              58     419.0000000  391.61865  6.53%  14.7   11s
* 4285  1535              60     418.0000000  391.61865  6.31%  14.8   11s
* 4961  1518              55     412.0000000  392.19500  4.81%  14.5   12s
H 5093  1386                     410.0000000  392.76654  4.20%  14.5   12s
H 5936   976                     408.0000000  397.15276  2.66%  14.9   14s

Cutting planes:
  Learned: 4
  Gomory: 23
  Cover: 121
  Implied bound: 5
  Clique: 9
  MIR: 96
  GUB cover: 10
  Zero half: 13

Explored 6509 nodes (97382 simplex iterations) in 14.74 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.080000000000e+02, best bound 4.080000000000e+02, gap 0.0%