Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:09 2013

Optimize a model with 75 rows, 1275 columns and 2525 nonzeros
Presolve removed 16 rows and 1048 columns
Presolve time: 0.00s
Presolved: 59 rows, 227 columns, 393 nonzeros
Variable types: 205 continuous, 22 integer (22 binary)

Root relaxation: objective 7.176943e+05, 23 iterations, 0.00 seconds

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

     0     0 717694.285    0   18          - 717694.285     -      -    0s
H    0     0                    818498.01250 717694.285  12.3%     -    0s
H    0     0                    813761.43750 717694.285  11.8%     -    0s
     0     0 790001.279    0    8 813761.437 790001.279  2.92%     -    0s
H    0     0                    809166.00000 790001.279  2.37%     -    0s
     0     0 796595.174    0    3 809166.000 796595.174  1.55%     -    0s
H    0     0                    804115.36686 796595.174  0.94%     -    0s
H    0     0                    796648.43750 796595.174  0.01%     -    0s

Cutting planes:
  Gomory: 3
  Implied bound: 42

Explored 0 nodes (85 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.966484375000e+05, best bound 7.965951742443e+05, gap 0.0067%