Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:28:15 2012

Optimize a model with 259 rows, 284 columns and 929 nonzeros
Presolve removed 0 rows and 26 columns
Presolve time: 0.00s
Presolved: 259 rows, 258 columns, 903 nonzeros
Variable types: 0 continuous, 258 integer (257 binary)
Found heuristic solution: objective 40.0000000

Root relaxation: objective 0.000000e+00, 195 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  109   40.00000    0.00000   100%     -    0s
H    0     0                      38.0000000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
     0     0    0.15965    0  111   30.00000    0.15965  99.5%     -    0s
H    0     0                      25.0000000    0.15965  99.4%     -    0s
H    0     0                      21.0000000    0.15965  99.2%     -    0s
     0     0    0.74185    0  113   21.00000    0.74185  96.5%     -    0s
H    0     0                      10.0000000    0.74185  92.6%     -    0s
     0     0    0.74185    0  113   10.00000    0.74185  92.6%     -    0s
H    0     0                       7.0000000    0.74185  89.4%     -    0s
     0     2    0.74186    0  113    7.00000    0.74186  89.4%     -    0s
*   12    10               7       4.0000000    1.77778  55.6%  32.7    0s

Cutting planes:
  Gomory: 3

Explored 25 nodes (1237 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%