Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:09 2013

Optimize a model with 14134 rows, 13764 columns and 54834 nonzeros
Presolve removed 37 rows and 0 columns
Presolve time: 0.06s
Presolved: 14097 rows, 13764 columns, 54797 nonzeros
Variable types: 13727 continuous, 37 integer (37 binary)

Root relaxation: objective 3.797793e+04, 3130 iterations, 0.55 seconds

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

     0     0 37977.9341    0   29          - 37977.9341     -      -    0s
H    0     0                    44647.000000 37977.9341  14.9%     -    0s
     0     0 42641.0105    0    3 44647.0000 42641.0105  4.49%     -    1s
H    0     0                    43631.338060 42641.0105  2.27%     -    1s
H    0     0                    43402.000000 42641.0105  1.75%     -    1s
H    0     0                    42649.000000 42641.0105  0.02%     -    1s
     0     0     cutoff    0      42649.0000 42649.0000   0.0%     -    1s

Cutting planes:
  Gomory: 1
  Implied bound: 31

Explored 0 nodes (4065 simplex iterations) in 1.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.264900000000e+04, best bound 4.264900000000e+04, gap 0.0%