Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:07 2013

Optimize a model with 1325 rows, 1275 columns and 5025 nonzeros
Presolve removed 50 rows and 1 columns
Presolve time: 0.01s
Presolved: 1275 rows, 1274 columns, 4924 nonzeros
Variable types: 1250 continuous, 24 integer (24 binary)

Root relaxation: objective 8.370172e+05, 82 iterations, 0.00 seconds

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

     0     0 837017.230    0    3          - 837017.230     -      -    0s
H    0     0                    840813.31250 837017.230  0.45%     -    0s
H    0     0                    838499.28750 837017.230  0.18%     -    0s
     0     0 837034.105    0    1 838499.287 837034.105  0.17%     -    0s
     0     0 837103.743    0    4 838499.287 837103.743  0.17%     -    0s
     0     0 837111.993    0    2 838499.287 837111.993  0.17%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 3

Explored 0 nodes (91 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.384992875000e+05, best bound 8.384992875000e+05, gap 0.0000%