Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:29:10 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 59.0000000

Root relaxation: objective 0.000000e+00, 79 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   52   59.00000    0.00000   100%     -    0s
H    0     0                      51.0000000    0.00000   100%     -    0s
H    0     0                      39.0000000    0.00000   100%     -    0s
     0     0    0.52000    0   53   39.00000    0.52000  98.7%     -    0s
     0     0    1.32241    0   56   39.00000    1.32241  96.6%     -    0s
     0     0    1.34180    0   56   39.00000    1.34180  96.6%     -    0s
     0     0    1.35342    0   57   39.00000    1.35342  96.5%     -    0s
     0     2    1.36034    0   57   39.00000    1.36034  96.5%     -    0s
*   35    35              21      37.0000000    3.65517  90.1%  28.1    0s
*   36    33              21      36.0000000    3.65517  89.8%  27.3    0s
*  156   115              20      35.0000000    5.51000  84.3%  27.1    0s
*  237   149              15      30.0000000    7.99579  73.3%  28.9    0s
* 1059   199              25      29.0000000   15.56818  46.3%  26.2    0s

Explored 2615 nodes (57427 simplex iterations) in 1.70 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%