Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:42:27 2012

Optimize a model with 307 rows, 328 columns and 1093 nonzeros
Presolve removed 0 rows and 24 columns
Presolve time: 0.00s
Presolved: 307 rows, 304 columns, 1069 nonzeros
Variable types: 0 continuous, 304 integer (303 binary)
Found heuristic solution: objective 64.0000000

Root relaxation: objective 0.000000e+00, 206 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  127   64.00000    0.00000   100%     -    0s
H    0     0                      49.0000000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
H    0     0                      42.0000000    0.00000   100%     -    0s
H    0     0                      40.0000000    0.00000   100%     -    0s
     0     0    0.17983    0  129   40.00000    0.17983   100%     -    0s
H    0     0                      23.0000000    0.17983  99.2%     -    0s
     0     0    0.75346    0  132   23.00000    0.75346  96.7%     -    0s
H    0     0                      18.0000000    0.75346  95.8%     -    0s
     0     0    0.75346    0  132   18.00000    0.75346  95.8%     -    0s
H    0     0                      13.0000000    0.75346  94.2%     -    0s
H    0     0                      11.0000000    0.75346  93.2%     -    0s
     0     2    0.76271    0  132   11.00000    0.76271  93.1%     -    0s
*   25    14              20       4.0000000    1.00000  75.0%  40.4    0s

Cutting planes:
  Gomory: 4
  Zero half: 7
  Mod-K: 1

Explored 100 nodes (4734 simplex iterations) in 0.17 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%