Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:50 2013

Optimize a model with 680 rows, 4440 columns and 9620 nonzeros
Presolve removed 80 rows and 60 columns
Presolve time: 0.02s
Presolved: 600 rows, 4380 columns, 9300 nonzeros
Variable types: 4200 continuous, 180 integer (180 binary)

Root relaxation: objective 4.636776e+04, 624 iterations, 0.01 seconds

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

     0     0 46367.7551    0    2          - 46367.7551     -      -    0s
     0     0 46421.7822    0    2          - 46421.7822     -      -    0s
     0     0 46502.5990    0    2          - 46502.5990     -      -    0s
H    0     0                    46832.519780 46502.5990  0.70%     -    0s
     0     2 46502.7032    0    2 46832.5198 46502.7032  0.70%     -    0s
H    4     4                    46658.726107 46526.5597  0.28%  24.2    0s
*    6     2               5    46652.929898 46526.5597  0.27%  23.8    0s

Cutting planes:
  Gomory: 1

Explored 13 nodes (948 simplex iterations) in 0.15 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.665292989755e+04, best bound 4.665292989755e+04, gap 0.0%