Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:53:24 2013

Optimize a model with 14234 rows, 1936 columns and 43560 nonzeros
Presolve removed 1992 rows and 997 columns
Presolve time: 0.09s
Presolved: 12242 rows, 939 columns, 37464 nonzeros
Variable types: 18 continuous, 921 integer (921 binary)
Found heuristic solution: objective 45925.000000

Root relaxation: objective 3.476196e+04, 5195 iterations, 0.21 seconds

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

     0     0 34761.9649    0    9 45925.0000 34761.9649  24.3%     -    0s
H    0     0                    34785.000000 34761.9649  0.07%     -    0s
H    0     0                    34780.000000 34761.9649  0.05%     -    0s
H    0     0                    34773.000000 34761.9649  0.03%     -    0s
     0     0 34764.4150    0   21 34773.0000 34764.4150  0.02%     -    0s
     0     0 34764.4150    0    9 34773.0000 34764.4150  0.02%     -    0s
     0     0 34764.9515    0   28 34773.0000 34764.9515  0.02%     -    0s
     0     1 34764.9614    0   28 34773.0000 34764.9614  0.02%     -    0s

Cutting planes:
  Gomory: 5
  Clique: 1
  MIR: 15
  Zero half: 2

Explored 26 nodes (5689 simplex iterations) in 0.51 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.477300000000e+04, best bound 3.477000000000e+04, gap 0.0086%