Gurobi 5.0.1 (linux64) logging started Mon Feb  4 17:24:10 2013

Optimize a model with 6017 rows, 1089 columns and 18513 nonzeros
Presolve removed 786 rows and 554 columns
Presolve time: 0.04s
Presolved: 5231 rows, 535 columns, 16143 nonzeros
Variable types: 15 continuous, 520 integer (520 binary)
Found heuristic solution: objective 19252.000000

Root relaxation: objective 1.461626e+04, 1872 iterations, 0.06 seconds

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

     0     0 14616.2619    0    7 19252.0000 14616.2619  24.1%     -    0s
H    0     0                    14623.000000 14616.2619  0.05%     -    0s
     0     0 14616.8922    0   18 14623.0000 14616.8922  0.04%     -    0s
     0     0 14616.8922    0    9 14623.0000 14616.8922  0.04%     -    0s
     0     0 14617.3130    0   23 14623.0000 14617.3130  0.04%     -    0s
     0     0 14617.6451    0   29 14623.0000 14617.6451  0.04%     -    0s
     0     0 14617.7654    0   21 14623.0000 14617.7654  0.04%     -    0s
H    0     0                    14621.000000 14617.7654  0.02%     -    0s
H    0     0                    14620.000000 14617.7654  0.02%     -    0s
     0     1 14617.7949    0   21 14620.0000 14617.7949  0.02%     -    0s

Cutting planes:
  Gomory: 12
  Cover: 4
  MIR: 12
  Zero half: 1

Explored 6 nodes (2184 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.462000000000e+04, best bound 1.461900000000e+04, gap 0.0068%