Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:17:44 2013

Optimize a model with 1159 rows, 361 columns and 3610 nonzeros
Presolve removed 212 rows and 181 columns
Presolve time: 0.00s
Presolved: 947 rows, 180 columns, 3017 nonzeros
Variable types: 11 continuous, 169 integer (169 binary)
Found heuristic solution: objective 8518.0000000
Found heuristic solution: objective 7690.0000000

Root relaxation: objective 6.311914e+03, 886 iterations, 0.01 seconds

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

     0     0 6311.91429    0    6 7690.00000 6311.91429  17.9%     -    0s
H    0     0                    6316.0000000 6311.91429  0.06%     -    0s
     0     0 6312.72578    0   13 6316.00000 6312.72578  0.05%     -    0s
     0     0 6312.72578    0    4 6316.00000 6312.72578  0.05%     -    0s
     0     0 6313.53566    0   14 6316.00000 6313.53566  0.04%     -    0s
     0     0     cutoff    0      6316.00000 6315.00632  0.02%     -    0s

Cutting planes:
  Cover: 2
  Implied bound: 4
  Clique: 2
  MIR: 3
  GUB cover: 1

Explored 0 nodes (960 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.316000000000e+03, best bound 6.316000000000e+03, gap 0.0%