Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:46 2013

Optimize a model with 30 rows, 25 columns and 80 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 20 rows, 15 columns, 60 nonzeros
Variable types: 5 continuous, 10 integer (10 binary)

Root relaxation: objective 3.400000e+02, 10 iterations, 0.00 seconds

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

     0     0  340.00000    0    6          -  340.00000     -      -    0s
H    0     0                     755.0000000  340.00000  55.0%     -    0s
H    0     0                     722.0000000  340.00000  52.9%     -    0s
H    0     0                     666.0000000  340.00000  48.9%     -    0s
     0     0  448.00000    0    3  666.00000  448.00000  32.7%     -    0s
     0     0  452.24901    0    6  666.00000  452.24901  32.1%     -    0s
     0     0  454.28759    0    6  666.00000  454.28759  31.8%     -    0s
     0     0  454.90090    0    6  666.00000  454.90090  31.7%     -    0s
     0     0  454.90090    0    6  666.00000  454.90090  31.7%     -    0s
     0     2  468.90839    0    6  666.00000  468.90839  29.6%     -    0s
*    7     5               4     627.0000000  478.78240  23.6%   3.0    0s
*    8     3               4     616.0000000  478.78240  22.3%   2.8    0s

Cutting planes:
  MIR: 13

Explored 22 nodes (99 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.160000000000e+02, best bound 6.160000000000e+02, gap 0.0%