Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:54:39 2012

Optimize a model with 263 rows, 185 columns and 840 nonzeros
Presolve time: 0.00s
Presolved: 263 rows, 185 columns, 840 nonzeros
Variable types: 0 continuous, 185 integer (185 binary)
Found heuristic solution: objective 58.0000000

Root relaxation: objective 0.000000e+00, 88 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   54   58.00000    0.00000   100%     -    0s
H    0     0                      50.0000000    0.00000   100%     -    0s
H    0     0                      49.0000000    0.00000   100%     -    0s
     0     0    0.90476    0   56   49.00000    0.90476  98.2%     -    0s
H    0     0                      45.0000000    0.90476  98.0%     -    0s
     0     0    0.95238    0   56   45.00000    0.95238  97.9%     -    0s
     0     0    0.97619    0   56   45.00000    0.97619  97.8%     -    0s
     0     0    1.06667    0   58   45.00000    1.06667  97.6%     -    0s
     0     0    1.06803    0   58   45.00000    1.06803  97.6%     -    0s
     0     2    1.09337    0   58   45.00000    1.09337  97.6%     -    0s
*   29    29              17      36.0000000    3.95604  89.0%  26.7    0s
*   35    27              18      35.0000000    3.95604  88.7%  23.8    0s
*   64    49              21      34.0000000    4.07453  88.0%  22.0    0s
*  114    80              11      32.0000000    8.02091  74.9%  24.2    0s
*  144    88              14      30.0000000   11.19048  62.7%  23.9    0s

Cutting planes:
  Gomory: 1
  Zero half: 4

Explored 1424 nodes (25766 simplex iterations) in 0.78 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%