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

Optimize a model with 239 rows, 266 columns and 861 nonzeros
Presolve removed 0 rows and 28 columns
Presolve time: 0.00s
Presolved: 239 rows, 238 columns, 833 nonzeros
Variable types: 0 continuous, 238 integer (237 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 0.000000e+00, 153 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  100   35.00000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
     0     0    0.10688    0  102   16.00000    0.10688  99.3%     -    0s
H    0     0                      15.0000000    0.10688  99.3%     -    0s
     0     0    0.70784    0  106   15.00000    0.70784  95.3%     -    0s
H    0     0                      13.0000000    0.70784  94.6%     -    0s
     0     0    0.70784    0  105   13.00000    0.70784  94.6%     -    0s
     0     2    0.71006    0  105   13.00000    0.71006  94.5%     -    0s
*   25    16              22       4.0000000    1.00000  75.0%  24.1    0s

Cutting planes:
  Gomory: 3
  Zero half: 1

Explored 183 nodes (3996 simplex iterations) in 0.13 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%