Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:11:14 2012

Optimize a model with 603 rows, 536 columns and 2041 nonzeros
Presolve removed 0 rows and 19 columns
Presolve time: 0.00s
Presolved: 603 rows, 517 columns, 2022 nonzeros
Variable types: 0 continuous, 517 integer (516 binary)
Found heuristic solution: objective 116.0000000

Root relaxation: objective 0.000000e+00, 316 iterations, 0.01 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    0.00000    0  208  116.00000    0.00000   100%     -    0s
H    0     0                      80.0000000    0.00000   100%     -    0s
     0     0    0.29771    0  210   80.00000    0.29771   100%     -    0s
H    0     0                      70.0000000    0.29771   100%     -    0s
     0     0    0.92220    0  215   70.00000    0.92220  98.7%     -    0s
H    0     0                      46.0000000    0.92220  98.0%     -    0s
     0     0    0.92260    0  218   46.00000    0.92260  98.0%     -    0s
     0     0    0.92260    0  217   46.00000    0.92260  98.0%     -    0s
     0     2    0.92267    0  216   46.00000    0.92267  98.0%     -    0s
H   45    45                      43.0000000    1.00000  97.7%  60.1    0s
H   81    78                      33.0000000    1.00000  97.0%  41.3    0s
*   86    69              53      32.0000000    1.00000  96.9%  40.5    0s
*  117    68              18      26.0000000    1.00000  96.2%  39.5    0s
  1812   154   24.56831   20  232   26.00000   20.00000  23.1%  35.6    5s
* 2245    43              23      25.0000000   23.02857  7.89%  33.2    6s

Cutting planes:
  Gomory: 10
  Zero half: 2

Explored 2289 nodes (76074 simplex iterations) in 6.56 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%