Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:15 2013

Optimize a model with 129 rows, 81 columns and 405 nonzeros
Presolve removed 39 rows and 39 columns
Presolve time: 0.00s
Presolved: 90 rows, 42 columns, 306 nonzeros
Variable types: 6 continuous, 36 integer (36 binary)
Found heuristic solution: objective 787.0000000

Root relaxation: objective 5.820885e+02, 10 iterations, 0.00 seconds

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

     0     0  582.08845    0    5  787.00000  582.08845  26.0%     -    0s
H    0     0                     596.0000000  582.08845  2.33%     -    0s
     0     0  586.93776    0   13  596.00000  586.93776  1.52%     -    0s
     0     0  587.34833    0   15  596.00000  587.34833  1.45%     -    0s
     0     0  590.95121    0   17  596.00000  590.95121  0.85%     -    0s
H    0     0                     594.0000000  590.95121  0.51%     -    0s
     0     0  592.00000    0   16  594.00000  592.00000  0.34%     -    0s
     0     0  592.00000    0    9  594.00000  592.00000  0.34%     -    0s
     0     0  592.00000    0    5  594.00000  592.00000  0.34%     -    0s
     0     0     cutoff    0       594.00000  593.00060  0.17%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 2
  Implied bound: 1
  Clique: 3
  MIR: 7
  GUB cover: 1
  Zero half: 1

Explored 0 nodes (108 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.940000000000e+02, best bound 5.940000000000e+02, gap 0.0%