Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:57:36 2013

Optimize a model with 32567 rows, 3364 columns and 99238 nonzeros
Presolve removed 4380 rows and 1736 columns
Presolve time: 0.24s
Presolved: 28187 rows, 1628 columns, 86044 nonzeros
Variable types: 27 continuous, 1601 integer (1601 binary)
Found heuristic solution: objective 59356.000000

Root relaxation: objective 4.401544e+04, 10445 iterations, 0.75 seconds

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

     0     0 44015.4444    0   12 59356.0000 44015.4444  25.8%     -    1s
H    0     0                    44036.000000 44015.4444  0.05%     -    1s
H    0     0                    44030.000000 44015.4444  0.03%     -    1s
H    0     0                    44026.000000 44015.4444  0.02%     -    1s
     0     0 44017.4598    0   28 44026.0000 44017.4598  0.02%     -    1s
     0     0 44017.4598    0   13 44026.0000 44017.4598  0.02%     -    1s
H    0     0                    44023.000000 44017.4598  0.01%     -    1s
H    0     0                    44022.000000 44017.4598  0.01%     -    1s
     0     0 44017.6272    0   34 44022.0000 44017.6272  0.01%     -    1s

Cutting planes:
  Gomory: 10
  MIR: 13

Explored 0 nodes (10783 simplex iterations) in 1.39 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.402200000000e+04, best bound 4.401800000000e+04, gap 0.0091%