Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:53:21 2013

Optimize a model with 13287 rows, 1849 columns and 40678 nonzeros
Presolve removed 1906 rows and 951 columns
Presolve time: 0.10s
Presolved: 11381 rows, 898 columns, 34976 nonzeros
Variable types: 21 continuous, 877 integer (877 binary)
Found heuristic solution: objective 35433.000000

Root relaxation: objective 2.559617e+04, 4243 iterations, 0.16 seconds

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

     0     0 25596.1667    0    8 35433.0000 25596.1667  27.8%     -    0s
H    0     0                    25606.000000 25596.1667  0.04%     -    0s
H    0     0                    25603.000000 25596.1667  0.03%     -    0s
     0     0 25598.8110    0   16 25603.0000 25598.8110  0.02%     -    0s
     0     0 25598.8110    0    5 25603.0000 25598.8110  0.02%     -    0s
     0     0 25598.8340    0   14 25603.0000 25598.8340  0.02%     -    0s
     0     0 25599.4297    0   15 25603.0000 25599.4297  0.01%     -    0s
     0     0 25599.9842    0   18 25603.0000 25599.9842  0.01%     -    0s
H    0     0                    25601.000000 25599.9842  0.00%     -    0s

Cutting planes:
  Gomory: 1
  Implied bound: 1
  MIR: 10

Explored 0 nodes (4322 simplex iterations) in 0.38 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.560100000000e+04, best bound 2.560000000000e+04, gap 0.0039%