Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:41 2012

Optimize a model with 325 rows, 332 columns and 1142 nonzeros
Presolve removed 0 rows and 25 columns
Presolve time: 0.00s
Presolved: 325 rows, 307 columns, 1117 nonzeros
Variable types: 0 continuous, 307 integer (306 binary)
Found heuristic solution: objective 54.0000000

Root relaxation: objective 0.000000e+00, 196 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   54.00000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
H    0     0                      44.0000000    0.00000   100%     -    0s
H    0     0                      35.0000000    0.00000   100%     -    0s
     0     0    0.17871    0  134   35.00000    0.17871  99.5%     -    0s
H    0     0                      31.0000000    0.17871  99.4%     -    0s
     0     0    0.81832    0  136   31.00000    0.81832  97.4%     -    0s
H    0     0                      23.0000000    0.81832  96.4%     -    0s
     0     0    0.81840    0  140   23.00000    0.81840  96.4%     -    0s
     0     0    0.81840    0  138   23.00000    0.81840  96.4%     -    0s
     0     2    0.82367    0  138   23.00000    0.82367  96.4%     -    0s
*   23    19              18       7.0000000    1.00000  85.7%  34.0    0s

Cutting planes:
  Gomory: 4
  Zero half: 2

Explored 512 nodes (12719 simplex iterations) in 0.40 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%