Gurobi 5.0.1 (linux64) logging started Thu Jan 24 20:10:37 2013

Optimize a model with 10 rows, 100 columns and 1000 nonzeros
Presolve time: 0.00s
Presolved: 10 rows, 100 columns, 1000 nonzeros
Variable types: 0 continuous, 100 integer (100 binary)
Found heuristic solution: objective 18912.000000

Root relaxation: objective 2.225779e+04, 28 iterations, 0.00 seconds

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

     0     0 22257.7926    0   10 18912.0000 22257.7926  17.7%     -    0s
H    0     0                    21602.000000 22257.7926  3.04%     -    0s
     0     0 22251.9569    0   11 21602.0000 22251.9569  3.01%     -    0s
     0     0 22239.0998    0   12 21602.0000 22239.0998  2.95%     -    0s
     0     0 22237.9547    0   11 21602.0000 22237.9547  2.94%     -    0s
     0     0 22237.2465    0   13 21602.0000 22237.2465  2.94%     -    0s
H    0     0                    21695.000000 22237.2465  2.50%     -    0s
     0     2 22234.0837    0   13 21695.0000 22234.0837  2.48%     -    0s
H  256   194                    21821.000000 22183.3875  1.66%   3.3    0s
H 7125  3566                    21841.000000 22084.8194  1.12%   3.8    0s
H 8825  3991                    21875.000000 22074.9084  0.91%   3.8    0s

Explored 57814 nodes (209704 simplex iterations) in 3.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.187500000000e+04, best bound 2.187700000000e+04, gap 0.0091%