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 39551.000000

Root relaxation: objective 4.308223e+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 43082.2310    0    5 39551.0000 43082.2310  8.93%     -    0s
H    0     0                    42740.000000 43082.2310  0.80%     -    0s
     0     0 43077.1167    0    7 42740.0000 43077.1167  0.79%     -    0s
     0     0 43074.5929    0   10 42740.0000 43074.5929  0.78%     -    0s
     0     0 43070.6564    0   10 42740.0000 43070.6564  0.77%     -    0s
     0     0 43067.0059    0    9 42740.0000 43067.0059  0.77%     -    0s
     0     0 43066.4052    0   10 42740.0000 43066.4052  0.76%     -    0s
     0     2 43066.0084    0   10 42740.0000 43066.0084  0.76%     -    0s
H  208   164                    42777.000000 43049.4324  0.64%   2.3    0s
H  258   190                    42822.000000 43049.2669  0.53%   2.2    0s
H  287   203                    42842.000000 43044.9030  0.47%   2.2    0s
H  326   205                    42869.000000 43044.9030  0.41%   2.3    0s
H  518   233                    42927.000000 43035.7603  0.25%   2.4    0s

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

Explored 4979 nodes (11365 simplex iterations) in 0.24 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.292700000000e+04, best bound 4.293100000000e+04, gap 0.0093%