Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:31:54 2012

Optimize a model with 251 rows, 202 columns and 827 nonzeros
Presolve time: 0.00s
Presolved: 251 rows, 202 columns, 827 nonzeros
Variable types: 0 continuous, 202 integer (202 binary)
Found heuristic solution: objective 56.0000000

Root relaxation: objective 0.000000e+00, 109 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   77   56.00000    0.00000   100%     -    0s
H    0     0                      47.0000000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
     0     0    0.55669    0   79   41.00000    0.55669  98.6%     -    0s
H    0     0                      39.0000000    0.55669  98.6%     -    0s
     0     0    0.66620    0   79   39.00000    0.66620  98.3%     -    0s
H    0     0                      34.0000000    0.66620  98.0%     -    0s
     0     0    0.67532    0   79   34.00000    0.67532  98.0%     -    0s
H    0     0                      32.0000000    0.67532  97.9%     -    0s
     0     0    0.68013    0   85   32.00000    0.68013  97.9%     -    0s
H    0     0                      30.0000000    0.68013  97.7%     -    0s
     0     2    0.69049    0   85   30.00000    0.69049  97.7%     -    0s
H   27    27                      20.0000000    2.48757  87.6%  23.6    0s
*   40    24               8      15.0000000    2.50676  83.3%  26.6    0s

Cutting planes:
  Gomory: 1
  Mod-K: 3

Explored 318 nodes (7230 simplex iterations) in 0.28 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%