Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:02 2012

Optimize a model with 163 rows, 120 columns and 525 nonzeros
Presolve time: 0.00s
Presolved: 163 rows, 120 columns, 525 nonzeros
Variable types: 0 continuous, 120 integer (120 binary)
Found heuristic solution: objective 36.0000000

Root relaxation: objective 0.000000e+00, 73 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   38   36.00000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     0    0.52941    0   39   24.00000    0.52941  97.8%     -    0s
     0     0    1.13429    0   41   24.00000    1.13429  95.3%     -    0s
H    0     0                      23.0000000    1.13429  95.1%     -    0s
     0     0    1.17802    0   41   23.00000    1.17802  94.9%     -    0s
     0     0    1.18739    0   41   23.00000    1.18739  94.8%     -    0s
     0     0    1.18739    0   41   23.00000    1.18739  94.8%     -    0s
     0     2    1.19814    0   41   23.00000    1.19814  94.8%     -    0s
*   20    18              12      18.0000000    2.64959  85.3%  28.1    0s
*   22    13              11      17.0000000    2.64959  84.4%  26.0    0s

Cutting planes:
  Gomory: 3
  Zero half: 2

Explored 255 nodes (6075 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%