Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:13:24 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 41600.000000

Root relaxation: objective 4.479663e+04, 17 iterations, 0.00 seconds

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

     0     0 44796.6256    0    5 41600.0000 44796.6256  7.68%     -    0s
H    0     0                    44251.000000 44796.6256  1.23%     -    0s
     0     0 44792.0213    0    6 44251.0000 44792.0213  1.22%     -    0s
H    0     0                    44511.000000 44792.0213  0.63%     -    0s
     0     0 44779.4307    0    8 44511.0000 44779.4307  0.60%     -    0s
     0     0 44778.4281    0    8 44511.0000 44778.4281  0.60%     -    0s
     0     0 44778.4281    0    5 44511.0000 44778.4281  0.60%     -    0s
     0     0 44778.4281    0    7 44511.0000 44778.4281  0.60%     -    0s
     0     0 44777.2975    0    9 44511.0000 44777.2975  0.60%     -    0s
     0     0 44775.1214    0    8 44511.0000 44775.1214  0.59%     -    0s
     0     0 44773.4206    0   11 44511.0000 44773.4206  0.59%     -    0s
     0     2 44770.3716    0   11 44511.0000 44770.3716  0.58%     -    0s
H 3669  1496                    44540.000000 44688.8566  0.33%   2.6    0s
H 9701  2356                    44554.000000 44639.8297  0.19%   2.5    0s

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

Explored 16346 nodes (38840 simplex iterations) in 0.72 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.455400000000e+04, best bound 4.455800000000e+04, gap 0.0090%