Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:56:12 2013

Optimize a model with 26289 rows, 2916 columns and 80190 nonzeros
Presolve removed 2967 rows and 1492 columns
Presolve time: 0.18s
Presolved: 23322 rows, 1424 columns, 71136 nonzeros
Variable types: 23 continuous, 1401 integer (1401 binary)
Found heuristic solution: objective 64054.000000

Root relaxation: objective 4.660927e+04, 8097 iterations, 0.44 seconds

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

     0     0 46609.2667    0   15 64054.0000 46609.2667  27.2%     -    0s
H    0     0                    46627.000000 46609.2667  0.04%     -    0s
H    0     0                    46622.000000 46609.2667  0.03%     -    0s
     0     0 46610.0000    0   15 46622.0000 46610.0000  0.03%     -    0s
     0     0 46610.0000    0   10 46622.0000 46610.0000  0.03%     -    0s
     0     0 46610.0000    0   13 46622.0000 46610.0000  0.03%     -    1s
H    0     0                    46616.000000 46610.0000  0.01%     -    1s
     0     2 46610.0000    0   13 46616.0000 46610.0000  0.01%     -    1s
H   61    23                    46615.000000 46610.0000  0.01%  19.3    1s
H  207    59                    46614.000000 46610.0000  0.01%  12.7    1s

Cutting planes:
  Gomory: 4
  MIR: 17
  Zero half: 4

Explored 207 nodes (11377 simplex iterations) in 1.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.661400000000e+04, best bound 4.661000000000e+04, gap 0.0086%