Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:13:22 2013

Optimize a model with 5 rows, 100 columns and 500 nonzeros
Presolve time: 0.00s
Presolved: 5 rows, 100 columns, 500 nonzeros
Variable types: 0 continuous, 100 integer (100 binary)
Found heuristic solution: objective 39919.000000

Root relaxation: objective 4.526547e+04, 25 iterations, 0.00 seconds

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

     0     0 45265.4734    0    5 39919.0000 45265.4734  13.4%     -    0s
H    0     0                    44837.000000 45265.4734  0.96%     -    0s
     0     0 45255.1543    0    9 44837.0000 45255.1543  0.93%     -    0s
     0     0 45251.4527    0   11 44837.0000 45251.4527  0.92%     -    0s
     0     0 45244.0713    0    9 44837.0000 45244.0713  0.91%     -    0s
     0     0 45242.6491    0   11 44837.0000 45242.6491  0.90%     -    0s
     0     2 45242.0163    0   11 44837.0000 45242.0163  0.90%     -    0s
H  112    95                    44893.000000 45234.4181  0.76%   2.2    0s
H  143   102                    44989.000000 45234.4181  0.55%   2.1    0s
H 1069   532                    45002.000000 45211.2646  0.47%   2.6    0s
H 3397  1510                    45005.000000 45177.8497  0.38%   2.5    0s
H 8223  3443                    45020.000000 45154.1088  0.30%   2.5    0s

Cutting planes:
  Gomory: 4
  Cover: 1
  MIR: 2
  Zero half: 1

Explored 55413 nodes (126595 simplex iterations) in 2.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.502000000000e+04, best bound 4.502400000000e+04, gap 0.0089%