Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:00 2013

Optimize a model with 92 rows, 64 columns and 288 nonzeros
Presolve removed 30 rows and 30 columns
Presolve time: 0.00s
Presolved: 62 rows, 34 columns, 216 nonzeros
Variable types: 6 continuous, 28 integer (28 binary)
Found heuristic solution: objective 929.0000000

Root relaxation: objective 5.918349e+02, 27 iterations, 0.00 seconds

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

     0     0  591.83490    0    5  929.00000  591.83490  36.3%     -    0s
H    0     0                     599.0000000  591.83490  1.20%     -    0s
     0     0  596.80606    0    7  599.00000  596.80606  0.37%     -    0s
     0     0     cutoff    0       599.00000  598.00060  0.17%     -    0s

Cutting planes:
  Cover: 1
  MIR: 5

Explored 0 nodes (36 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.990000000000e+02, best bound 5.990000000000e+02, gap 0.0%