Gurobi 5.0.1 (linux64) logging started Fri Dec 21 22:28:24 2012

Optimize a model with 10402 rows, 10201 columns and 61284 nonzeros
Presolve removed 5067 rows and 5486 columns
Presolve time: 0.13s
Presolved: 5335 rows, 4715 columns, 27015 nonzeros
Variable types: 97 continuous, 4618 integer (4618 binary)

Root relaxation: objective 7.044339e+02, 692 iterations, 0.03 seconds

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

     0     0  704.43387    0  174          -  704.43387     -      -    0s
     0     0  729.43790    0  118          -  729.43790     -      -    0s
     0     0  730.65757    0  132          -  730.65757     -      -    0s
     0     0  730.91828    0  132          -  730.91828     -      -    0s
     0     0  732.24661    0  130          -  732.24661     -      -    0s
     0     0  732.47264    0  142          -  732.47264     -      -    0s
     0     0  732.59288    0  132          -  732.59288     -      -    0s
     0     0  732.61140    0  135          -  732.61140     -      -    0s
     0     0  732.63716    0  138          -  732.63716     -      -    0s
     0     0  732.63716    0  134          -  732.63716     -      -    0s
     0     2  734.19911    0  134          -  734.19911     -      -    1s
*  404   174              35     770.0000000  748.28571  2.82%  13.7    2s
*  434   180              33     769.0000000  748.28571  2.69%  13.5    2s
H  547   112                     762.0000000  749.28571  1.67%  13.2    3s
   704   149  753.94805   10  117  762.00000  751.50000  1.38%  12.7    5s

Cutting planes:
  Learned: 3
  Gomory: 17
  Cover: 5
  Implied bound: 1
  Clique: 2
  MIR: 20
  GUB cover: 16
  Zero half: 34

Explored 860 nodes (15231 simplex iterations) in 7.73 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.620000000000e+02, best bound 7.620000000000e+02, gap 0.0%