Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:13:21 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 38138.000000

Root relaxation: objective 4.219060e+04, 12 iterations, 0.00 seconds

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

     0     0 42190.5978    0    5 38138.0000 42190.5978  10.6%     -    0s
H    0     0                    41483.000000 42190.5978  1.71%     -    0s
H    0     0                    41980.000000 42190.5978  0.50%     -    0s
     0     0 42173.4817    0    8 41980.0000 42173.4817  0.46%     -    0s
     0     0 42167.1447    0   10 41980.0000 42167.1447  0.45%     -    0s
     0     0 42164.5844    0   12 41980.0000 42164.5844  0.44%     -    0s
     0     0 42162.0307    0   11 41980.0000 42162.0307  0.43%     -    0s
     0     0 42160.8117    0   14 41980.0000 42160.8117  0.43%     -    0s
     0     0 42160.8117    0    5 41980.0000 42160.8117  0.43%     -    0s
     0     0 42160.8117    0   13 41980.0000 42160.8117  0.43%     -    0s
     0     0 42159.2196    0   11 41980.0000 42159.2196  0.43%     -    0s
     0     0 42158.0956    0   13 41980.0000 42158.0956  0.42%     -    0s
     0     2 42155.1367    0   13 41980.0000 42155.1367  0.42%     -    0s
H 2151   375                    42009.000000 42078.4364  0.17%   2.6    0s

Cutting planes:
  Gomory: 4
  Cover: 1
  MIR: 4

Explored 3269 nodes (8219 simplex iterations) in 0.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.200900000000e+04, best bound 4.201300000000e+04, gap 0.0095%