Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:57:30 2012

Optimize a model with 273 rows, 191 columns and 871 nonzeros
Presolve time: 0.00s
Presolved: 273 rows, 191 columns, 871 nonzeros
Variable types: 0 continuous, 191 integer (191 binary)
Found heuristic solution: objective 59.0000000

Root relaxation: objective 0.000000e+00, 81 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   55   59.00000    0.00000   100%     -    0s
H    0     0                      57.0000000    0.00000   100%     -    0s
H    0     0                      49.0000000    0.00000   100%     -    0s
     0     0    0.53189    0   57   49.00000    0.53189  98.9%     -    0s
     0     0    0.89961    0   63   49.00000    0.89961  98.2%     -    0s
     0     0    0.90191    0   64   49.00000    0.90191  98.2%     -    0s
H    0     0                      45.0000000    0.90191  98.0%     -    0s
     0     2    0.97656    0   64   45.00000    0.97656  97.8%     -    0s
*   32    32              19      35.0000000    3.62209  89.7%  19.3    0s
*   55    42              14      31.0000000    3.64895  88.2%  21.4    0s
*  654   217              24      30.0000000   17.66667  41.1%  17.2    0s

Explored 2989 nodes (56851 simplex iterations) in 1.90 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%