Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:57:34 2013

Optimize a model with 32567 rows, 3364 columns and 99238 nonzeros
Presolve removed 2395 rows and 1694 columns
Presolve time: 0.21s
Presolved: 30172 rows, 1670 columns, 92166 nonzeros
Variable types: 30 continuous, 1640 integer (1640 binary)
Found heuristic solution: objective 77423.000000

Root relaxation: objective 6.035695e+04, 11146 iterations, 0.66 seconds

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

     0     0 60356.9500    0   11 77423.0000 60356.9500  22.0%     -    1s
H    0     0                    60370.000000 60356.9500  0.02%     -    1s
H    0     0                    60367.000000 60356.9500  0.02%     -    1s
H    0     0                    60364.000000 60356.9500  0.01%     -    1s
     0     0 60356.9500    0    7 60364.0000 60356.9500  0.01%     -    1s
     0     0 60356.9500    0    8 60364.0000 60356.9500  0.01%     -    1s
     0     0 60356.9500    0   11 60364.0000 60356.9500  0.01%     -    1s
H    0     0                    60362.000000 60356.9500  0.01%     -    1s

Cutting planes:
  Gomory: 1
  MIR: 2
  Mod-K: 1

Explored 0 nodes (11554 simplex iterations) in 1.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.036200000000e+04, best bound 6.035700000000e+04, gap 0.0083%