Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:25:11 2012

Optimize a model with 1682 rows, 1681 columns and 7572 nonzeros
Presolve removed 1199 rows and 768 columns
Presolve time: 0.03s
Presolved: 483 rows, 913 columns, 5944 nonzeros
Variable types: 38 continuous, 875 integer (875 binary)

Root relaxation: objective 3.137201e+02, 194 iterations, 0.00 seconds

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

     0     0  313.72013    0   51          -  313.72013     -      -    0s
     0     0  341.84205    0   76          -  341.84205     -      -    0s
     0     0  360.25065    0   40          -  360.25065     -      -    0s
     0     0  362.84769    0   54          -  362.84769     -      -    0s
     0     0  363.93065    0   52          -  363.93065     -      -    0s
     0     0  364.25065    0   43          -  364.25065     -      -    0s
     0     0  364.25065    0   43          -  364.25065     -      -    0s
     0     0  364.25065    0   34          -  364.25065     -      -    0s
     0     2  364.25065    0   34          -  364.25065     -      -    0s
  3281  1993  390.98044   49   23          -  376.56250     -   13.4    5s
* 3478  1333              53     405.0000000  376.66667  7.00%  13.4    5s
H 3590  1356                     404.0000000  376.71642  6.75%  13.2    5s
H 3617  1317                     403.0000000  376.72675  6.52%  13.2    5s
H 3676  1195                     400.0000000  376.72727  5.82%  13.1    5s
H 3703   900                     393.0000000  376.75000  4.13%  13.1    5s

Cutting planes:
  Gomory: 12
  Cover: 94
  Implied bound: 69
  Clique: 9
  MIR: 58
  GUB cover: 4
  Zero half: 19

Explored 6186 nodes (82970 simplex iterations) in 8.38 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.930000000000e+02, best bound 3.930000000000e+02, gap 0.0%