Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:07 2012

Optimize a model with 273 rows, 300 columns and 980 nonzeros
Presolve removed 0 rows and 32 columns
Presolve time: 0.00s
Presolved: 273 rows, 268 columns, 948 nonzeros
Variable types: 0 continuous, 268 integer (267 binary)
Found heuristic solution: objective 43.0000000

Root relaxation: objective 0.000000e+00, 197 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  123   43.00000    0.00000   100%     -    0s
H    0     0                      38.0000000    0.00000   100%     -    0s
H    0     0                      34.0000000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
     0     0    0.17120    0  125   31.00000    0.17120  99.4%     -    0s
H    0     0                      26.0000000    0.17120  99.3%     -    0s
H    0     0                       7.0000000    0.17120  97.6%     -    0s
     0     0    0.71794    0  131    7.00000    0.71794  89.7%     -    0s
H    0     0                       4.0000000    0.71794  82.1%     -    0s
     0     0    0.71847    0  131    4.00000    0.71847  82.0%     -    0s
     0     0    0.71847    0  131    4.00000    0.71847  82.0%     -    0s
     0     2    0.71867    0  131    4.00000    0.71867  82.0%     -    0s
*   20    18              18       3.0000000    1.00000  66.7%  34.1    0s
H   29     9                       2.0000000    1.00000  50.0%  37.1    0s

Cutting planes:
  Gomory: 4
  Zero half: 9
  Mod-K: 1

Explored 45 nodes (2528 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%