Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:29:12 2012

Optimize a model with 263 rows, 183 columns and 838 nonzeros
Presolve time: 0.00s
Presolved: 263 rows, 183 columns, 838 nonzeros
Variable types: 0 continuous, 183 integer (183 binary)
Found heuristic solution: objective 71.0000000
Found heuristic solution: objective 70.0000000

Root relaxation: objective 0.000000e+00, 89 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   51   70.00000    0.00000   100%     -    0s
H    0     0                      49.0000000    0.00000   100%     -    0s
     0     0    0.49020    0   52   49.00000    0.49020  99.0%     -    0s
H    0     0                      45.0000000    0.49020  98.9%     -    0s
     0     0    1.00000    0   55   45.00000    1.00000  97.8%     -    0s
H    0     0                      43.0000000    1.00000  97.7%     -    0s
     0     0    1.00000    0   57   43.00000    1.00000  97.7%     -    0s
     0     0    1.00000    0   54   43.00000    1.00000  97.7%     -    0s
     0     2    1.00000    0   53   43.00000    1.00000  97.7%     -    0s
*   39    38              21      36.0000000    2.86083  92.1%  29.9    0s
*   40    34              22      33.0000000    2.86083  91.3%  29.4    0s
*  251   177              18      32.0000000    9.46400  70.4%  27.2    0s
H  518   257                      31.0000000   11.96333  61.4%  23.9    0s
*  607   272              14      29.0000000   15.21333  47.5%  23.3    0s

Explored 2046 nodes (42739 simplex iterations) in 1.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.900000000000e+01, best bound 2.900000000000e+01, gap 0.0%