Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:47:36 2013

Optimize a model with 3682 rows, 784 columns and 11368 nonzeros
Presolve removed 843 rows and 412 columns
Presolve time: 0.03s
Presolved: 2839 rows, 372 columns, 8840 nonzeros
Variable types: 13 continuous, 359 integer (359 binary)
Found heuristic solution: objective 17571.000000

Root relaxation: objective 1.316666e+04, 1741 iterations, 0.04 seconds

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

     0     0 13166.6562    0    9 17571.0000 13166.6562  25.1%     -    0s
H    0     0                    13193.000000 13166.6562  0.20%     -    0s
H    0     0                    13184.000000 13166.6562  0.13%     -    0s
     0     0 13169.4452    0   21 13184.0000 13169.4452  0.11%     -    0s
     0     0 13169.4452    0    7 13184.0000 13169.4452  0.11%     -    0s
     0     0 13169.6476    0   22 13184.0000 13169.6476  0.11%     -    0s
H    0     0                    13181.000000 13169.6476  0.09%     -    0s
H    0     0                    13177.000000 13169.6476  0.06%     -    0s
     0     2 13170.0491    0   22 13177.0000 13170.0491  0.05%     -    0s
H    3     3                    13175.000000 13170.0491  0.04%   0.0    0s

Cutting planes:
  Gomory: 4
  Cover: 1
  Implied bound: 1
  MIR: 6
  GUB cover: 1

Explored 4 nodes (1945 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.317500000000e+04, best bound 1.317400000000e+04, gap 0.0076%