Gurobi 5.0.1 (linux64) logging started Tue Nov 20 05:48:48 2012

Optimize a model with 309 rows, 78 columns and 618 nonzeros
Presolve removed 94 rows and 0 columns
Presolve time: 0.00s
Presolved: 215 rows, 78 columns, 500 nonzeros
Variable types: 0 continuous, 78 integer (78 binary)
Found heuristic solution: objective 25.0000000

Root relaxation: objective 3.015789e+01, 148 iterations, 0.00 seconds

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

     0     0   30.15789    0   76   25.00000   30.15789  20.6%     -    0s
H    0     0                      26.0000000   30.15789  16.0%     -    0s
     0     0   29.73333    0   75   26.00000   29.73333  14.4%     -    0s
     0     0   29.47112    0   78   26.00000   29.47112  13.4%     -    0s
     0     0   29.16835    0   77   26.00000   29.16835  12.2%     -    0s
     0     0   29.03696    0   77   26.00000   29.03696  11.7%     -    0s
     0     0   28.98254    0   78   26.00000   28.98254  11.5%     -    0s
     0     0   28.94290    0   78   26.00000   28.94290  11.3%     -    0s
     0     0   28.82546    0   78   26.00000   28.82546  10.9%     -    0s
     0     0   28.81263    0   78   26.00000   28.81263  10.8%     -    0s
     0     0   28.81263    0   77   26.00000   28.81263  10.8%     -    0s
     0     2   28.80948    0   77   26.00000   28.80948  10.8%     -    0s
*   34     3               4      27.0000000   28.24324  4.60%  22.9    0s

Cutting planes:
  Zero half: 40

Explored 38 nodes (1212 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.700000000000e+01, best bound 2.700000000000e+01, gap 0.0%