Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:21:54 2012

Optimize a model with 245 rows, 190 columns and 800 nonzeros
Presolve time: 0.00s
Presolved: 245 rows, 190 columns, 800 nonzeros
Variable types: 0 continuous, 190 integer (190 binary)
Found heuristic solution: objective 49.0000000

Root relaxation: objective 0.000000e+00, 121 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   67   49.00000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
     0     0    0.56047    0   68   48.00000    0.56047  98.8%     -    0s
     0     0    1.07703    0   71   48.00000    1.07703  97.8%     -    0s
     0     0    1.09277    0   71   48.00000    1.09277  97.7%     -    0s
     0     0    1.10534    0   72   48.00000    1.10534  97.7%     -    0s
H    0     0                      24.0000000    1.10534  95.4%     -    0s
     0     2    1.11045    0   72   24.00000    1.11045  95.4%     -    0s
*   20    19              14      21.0000000    3.09561  85.3%  31.9    0s
*  139    60              12      20.0000000    8.82556  55.9%  28.1    0s
*  191    57              11      18.0000000   11.00000  38.9%  25.1    0s

Cutting planes:
  Gomory: 3
  Zero half: 2
  Mod-K: 1

Explored 377 nodes (8266 simplex iterations) in 0.29 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.800000000000e+01, best bound 1.800000000000e+01, gap 0.0%