Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:38 2012

Optimize a model with 211 rows, 125 columns and 650 nonzeros
Presolve time: 0.00s
Presolved: 211 rows, 125 columns, 650 nonzeros
Variable types: 0 continuous, 125 integer (125 binary)
Found heuristic solution: objective 54.0000000

Root relaxation: objective 0.000000e+00, 49 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   20   54.00000    0.00000   100%     -    0s
H    0     0                      47.0000000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
     0     0    0.88889    0   22   45.00000    0.88889  98.0%     -    0s
     0     0    0.97794    0   33   45.00000    0.97794  97.8%     -    0s
     0     0    1.00000    0   22   45.00000    1.00000  97.8%     -    0s
     0     0    1.05556    0   22   45.00000    1.05556  97.7%     -    0s
     0     0    1.05556    0   22   45.00000    1.05556  97.7%     -    0s
     0     0    1.05556    0   22   45.00000    1.05556  97.7%     -    0s
     0     0    1.05556    0   22   45.00000    1.05556  97.7%     -    0s
     0     2    1.18798    0   22   45.00000    1.18798  97.4%     -    0s
*   23    18              13      43.0000000    6.27119  85.4%  25.1    0s
*   62    35              11      42.0000000   11.00000  73.8%  23.3    0s
*  305    80              10      41.0000000   22.00000  46.3%  20.6    0s

Cutting planes:
  Gomory: 1
  Mod-K: 7

Explored 988 nodes (17141 simplex iterations) in 0.37 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.100000000000e+01, best bound 4.100000000000e+01, gap 0.0%