Gurobi 5.0.1 (linux64) logging started Sat Dec  8 02:35:16 2012

Optimize a model with 825 rows, 810 columns and 2957 nonzeros
Presolve removed 87 rows and 27 columns
Presolve time: 0.00s
Presolved: 738 rows, 783 columns, 2766 nonzeros
Variable types: 697 continuous, 86 integer (86 binary)

Root relaxation: objective 2.753410e+04, 121 iterations, 0.00 seconds

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

     0     0 27534.0989    0    3          - 27534.0989     -      -    0s
H    0     0                    28203.000000 27534.0989  2.37%     -    0s
H    0     0                    27938.000000 27534.0989  1.45%     -    0s
     0     0 27571.3332    0    6 27938.0000 27571.3332  1.31%     -    0s
     0     0 27571.7953    0    6 27938.0000 27571.7953  1.31%     -    0s
H    0     0                    27608.000000 27571.7953  0.13%     -    0s
     0     0 27599.5217    0    1 27608.0000 27599.5217  0.03%     -    0s
     0     0     cutoff    0      27608.0000 27608.0000   0.0%     -    0s

Cutting planes:
  Gomory: 1

Explored 0 nodes (186 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.760800000000e+04, best bound 2.760800000000e+04, gap 0.0%