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 15 rows and 1042 columns
Presolve time: 0.00s
Presolved: 60 rows, 233 columns, 404 nonzeros
Variable types: 210 continuous, 23 integer (23 binary)

Root relaxation: objective 7.482184e+05, 26 iterations, 0.00 seconds

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

     0     0 748218.367    0   19          - 748218.367     -      -    0s
H    0     0                    917421.11250 748218.367  18.4%     -    0s
     0     0 838038.081    0   14 917421.112 838038.081  8.65%     -    0s
H    0     0                    881123.97500 838038.081  4.89%     -    0s
     0     0 853263.325    0    8 881123.975 853263.325  3.16%     -    0s
H    0     0                    855466.85000 853263.325  0.26%     -    0s
     0     0 854356.588    0    2 855466.850 854356.588  0.13%     -    0s
     0     0 854555.667    0    2 855466.850 854555.667  0.11%     -    0s
*    0     0               0    854704.20000 854704.200   0.0%     -    0s

Cutting planes:
  Gomory: 3
  Implied bound: 58

Explored 0 nodes (120 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.547042000000e+05, best bound 8.547042000000e+05, gap 0.0000%