Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:23 2012

Optimize a model with 315 rows, 319 columns and 1104 nonzeros
Presolve removed 0 rows and 21 columns
Presolve time: 0.00s
Presolved: 315 rows, 298 columns, 1083 nonzeros
Variable types: 0 continuous, 298 integer (297 binary)
Found heuristic solution: objective 54.0000000

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  134   54.00000    0.00000   100%     -    0s
H    0     0                      35.0000000    0.00000   100%     -    0s
H    0     0                      34.0000000    0.00000   100%     -    0s
     0     0    0.30538    0  138   34.00000    0.30538  99.1%     -    0s
H    0     0                      27.0000000    0.30538  98.9%     -    0s
     0     0    0.80798    0  141   27.00000    0.80798  97.0%     -    0s
H    0     0                      25.0000000    0.80798  96.8%     -    0s
     0     0    0.80798    0  141   25.00000    0.80798  96.8%     -    0s
H    0     0                      23.0000000    0.80798  96.5%     -    0s
H    0     0                      17.0000000    0.80798  95.2%     -    0s
     0     2    0.81469    0  141   17.00000    0.81469  95.2%     -    0s
*   37    30              24       8.0000000    1.00000  87.5%  34.9    0s
H   61    40                       6.0000000    1.00000  83.3%  31.9    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 383 nodes (12754 simplex iterations) in 0.37 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%