Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:24:39 2013

Optimize a model with 1793 rows, 484 columns and 5566 nonzeros
Presolve removed 417 rows and 253 columns
Presolve time: 0.01s
Presolved: 1376 rows, 231 columns, 4298 nonzeros
Variable types: 9 continuous, 222 integer (222 binary)
Found heuristic solution: objective 6586.0000000

Root relaxation: objective 4.963896e+03, 625 iterations, 0.01 seconds

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

     0     0 4963.89565    0    5 6586.00000 4963.89565  24.6%     -    0s
H    0     0                    4968.0000000 4963.89565  0.08%     -    0s
     0     0 4964.86058    0   11 4968.00000 4964.86058  0.06%     -    0s
     0     0 4964.86058    0    7 4968.00000 4964.86058  0.06%     -    0s
     0     0 4965.02598    0   12 4968.00000 4965.02598  0.06%     -    0s
     0     0 4965.49061    0   15 4968.00000 4965.49061  0.05%     -    0s
     0     0 4965.93410    0   21 4968.00000 4965.93410  0.04%     -    0s
     0     0 4966.31328    0   17 4968.00000 4966.31328  0.03%     -    0s
     0     0 4966.69122    0   13 4968.00000 4966.69122  0.03%     -    0s
     0     1 4966.69132    0   13 4968.00000 4966.69132  0.03%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 5
  Clique: 1
  MIR: 12
  Zero half: 2

Explored 1 nodes (813 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.968000000000e+03, best bound 4.968000000000e+03, gap 0.0%