Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:00 2012

Optimize a model with 303 rows, 329 columns and 1084 nonzeros
Presolve removed 0 rows and 31 columns
Presolve time: 0.00s
Presolved: 303 rows, 298 columns, 1053 nonzeros
Variable types: 0 continuous, 298 integer (297 binary)
Found heuristic solution: objective 50.0000000

Root relaxation: objective 0.000000e+00, 226 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  132   50.00000    0.00000   100%     -    0s
H    0     0                      49.0000000    0.00000   100%     -    0s
     0     0    0.20401    0  134   49.00000    0.20401   100%     -    0s
H    0     0                      31.0000000    0.20401  99.3%     -    0s
     0     0    0.73464    0  142   31.00000    0.73464  97.6%     -    0s
H    0     0                      27.0000000    0.73464  97.3%     -    0s
H    0     0                      26.0000000    0.73464  97.2%     -    0s
     0     0    0.73473    0  141   26.00000    0.73473  97.2%     -    0s
     0     0    0.73473    0  141   26.00000    0.73473  97.2%     -    0s
H    0     0                      19.0000000    0.73473  96.1%     -    0s
H    0     0                      14.0000000    0.73473  94.8%     -    0s
H    0     0                      13.0000000    0.73473  94.3%     -    0s
     0     2    0.73523    0  141   13.00000    0.73523  94.3%     -    0s
*   32    32              23       6.0000000    1.00000  83.3%  22.7    0s
*   40    21              27       5.0000000    1.00000  80.0%  20.7    0s
*   55    14               7       4.0000000    1.00000  75.0%  22.1    0s

Cutting planes:
  Gomory: 4
  Zero half: 3

Explored 93 nodes (3322 simplex iterations) in 0.14 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%