Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:45:15 2012

Optimize a model with 195 rows, 143 columns and 628 nonzeros
Presolve time: 0.00s
Presolved: 195 rows, 143 columns, 628 nonzeros
Variable types: 0 continuous, 143 integer (143 binary)
Found heuristic solution: objective 42.0000000

Root relaxation: objective 0.000000e+00, 76 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   45   42.00000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
     0     0    0.57380    0   47   32.00000    0.57380  98.2%     -    0s
     0     0    1.18559    0   48   32.00000    1.18559  96.3%     -    0s
     0     0    1.60486    0   50   32.00000    1.60486  95.0%     -    0s
     0     0    1.66506    0   51   32.00000    1.66506  94.8%     -    0s
H    0     0                      30.0000000    1.66506  94.4%     -    0s
     0     2    1.72023    0   51   30.00000    1.72023  94.3%     -    0s
*   25    25              15      24.0000000    4.14691  82.7%  26.4    0s
*   32    21              19      23.0000000    4.14691  82.0%  21.2    0s
*   79    44              16      22.0000000    6.08836  72.3%  20.2    0s
*  104    51              12      19.0000000    6.14476  67.7%  20.8    0s
*  290    59               9      18.0000000   11.25758  37.5%  18.9    0s

Cutting planes:
  Gomory: 5
  Mod-K: 2

Explored 443 nodes (7583 simplex iterations) in 0.26 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%