Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:25:42 2012

Optimize a model with 209 rows, 251 columns and 771 nonzeros
Presolve removed 0 rows and 29 columns
Presolve time: 0.00s
Presolved: 209 rows, 222 columns, 742 nonzeros
Variable types: 0 continuous, 222 integer (221 binary)
Found heuristic solution: objective 31.0000000

Root relaxation: objective 0.000000e+00, 131 iterations, 0.00 seconds

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

     0     0    0.00000    0   75   31.00000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
H    0     0                       2.0000000    0.00000   100%     -    0s
H    0     0                       1.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   75    1.00000    0.00000   100%     -    0s

Explored 0 nodes (369 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%