Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:14:04 2013

Optimize a model with 5 rows, 250 columns and 1250 nonzeros
Presolve time: 0.00s
Presolved: 5 rows, 250 columns, 1250 nonzeros
Variable types: 0 continuous, 250 integer (250 binary)
Found heuristic solution: objective 50925.000000

Root relaxation: objective 6.225954e+04, 23 iterations, 0.00 seconds

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

     0     0 62259.5446    0    5 50925.0000 62259.5446  22.3%     -    0s
H    0     0                    61914.000000 62259.5446  0.56%     -    0s
     0     0 62255.2167    0    7 61914.0000 62255.2167  0.55%     -    0s
     0     0 62253.1833    0   10 61914.0000 62253.1833  0.55%     -    0s
     0     0 62252.2539    0    9 61914.0000 62252.2539  0.55%     -    0s
H    0     0                    61975.000000 62252.2539  0.45%     -    0s
     0     0 62252.2539    0    5 61975.0000 62252.2539  0.45%     -    0s
     0     0 62252.2539    0    9 61975.0000 62252.2539  0.45%     -    0s
     0     0 62251.8989    0   10 61975.0000 62251.8989  0.45%     -    0s
     0     2 62251.4593    0   10 61975.0000 62251.4593  0.45%     -    0s
H  478   393                    62019.000000 62239.7556  0.36%   2.2    0s
H 1489   528                    62130.000000 62234.7823  0.17%   2.7    0s

Cutting planes:
  Gomory: 2
  Cover: 1
  MIR: 3

Explored 36840 nodes (85221 simplex iterations) in 1.72 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.213000000000e+04, best bound 6.213600000000e+04, gap 0.0097%