Gurobi 5.0.1 (linux64) logging started Sat Jan 26 21:27:56 2013

Optimize a model with 30 rows, 100 columns and 3000 nonzeros
Presolve time: 0.01s
Presolved: 30 rows, 100 columns, 3000 nonzeros
Variable types: 0 continuous, 100 integer (100 binary)
Found heuristic solution: objective 40077.000000

Root relaxation: objective 4.265656e+04, 61 iterations, 0.00 seconds

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

     0     0 42656.5629    0   17 40077.0000 42656.5629  6.44%     -    0s
H    0     0                    41815.000000 42656.5629  2.01%     -    0s
H    0     0                    42230.000000 42656.5629  1.01%     -    0s
     0     0 42635.8000    0   19 42230.0000 42635.8000  0.96%     -    0s
     0     0 42634.0876    0   19 42230.0000 42634.0876  0.96%     -    0s
     0     0 42628.5696    0   20 42230.0000 42628.5696  0.94%     -    0s
     0     0 42628.0255    0   19 42230.0000 42628.0255  0.94%     -    0s
     0     0 42626.8308    0   19 42230.0000 42626.8308  0.94%     -    0s
     0     0 42626.3078    0   18 42230.0000 42626.3078  0.94%     -    0s
     0     2 42625.9790    0   18 42230.0000 42625.9790  0.94%     -    0s
 41404  7897 42288.4458   36   11 42230.0000 42343.8518  0.27%   6.1    5s

Explored 75065 nodes (432715 simplex iterations) in 9.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.223000000000e+04, best bound 4.223400000000e+04, gap 0.0095%