Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:41:22 2012

Optimize a model with 313 rows, 329 columns and 1109 nonzeros
Presolve removed 0 rows and 22 columns
Presolve time: 0.00s
Presolved: 313 rows, 307 columns, 1087 nonzeros
Variable types: 0 continuous, 307 integer (306 binary)
Found heuristic solution: objective 61.0000000

Root relaxation: objective 0.000000e+00, 191 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  135   61.00000    0.00000   100%     -    0s
H    0     0                      39.0000000    0.00000   100%     -    0s
H    0     0                      37.0000000    0.00000   100%     -    0s
H    0     0                      34.0000000    0.00000   100%     -    0s
     0     0    0.27183    0  136   34.00000    0.27183  99.2%     -    0s
H    0     0                      26.0000000    0.27183  99.0%     -    0s
H    0     0                      25.0000000    0.27183  98.9%     -    0s
     0     0    1.00000    0  137   25.00000    1.00000  96.0%     -    0s
H    0     0                      23.0000000    1.00000  95.7%     -    0s
     0     0    1.00000    0  138   23.00000    1.00000  95.7%     -    0s
     0     0    1.00000    0  138   23.00000    1.00000  95.7%     -    0s
H    0     0                       7.0000000    1.00000  85.7%     -    0s
     0     2    1.00000    0  138    7.00000    1.00000  85.7%     -    0s
H   27     7                       4.0000000    1.00000  75.0%  38.3    0s

Cutting planes:
  Gomory: 3
  Zero half: 5

Explored 63 nodes (3050 simplex iterations) in 0.19 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%