Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:35 2013

Optimize a model with 108 rows, 81 columns and 288 nonzeros
Presolve removed 36 rows and 36 columns
Presolve time: 0.00s
Presolved: 72 rows, 45 columns, 216 nonzeros
Variable types: 9 continuous, 36 integer (36 binary)
Found heuristic solution: objective 1197.0000000

Root relaxation: objective 4.100000e+02, 22 iterations, 0.00 seconds

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

     0     0  410.00000    0   17 1197.00000  410.00000  65.7%     -    0s
     0     0  580.74219    0   12 1197.00000  580.74219  51.5%     -    0s
     0     0  602.03407    0   15 1197.00000  602.03407  49.7%     -    0s
     0     0  604.62618    0   15 1197.00000  604.62618  49.5%     -    0s
     0     0  604.62618    0   15 1197.00000  604.62618  49.5%     -    0s
     0     0  604.62618    0   15 1197.00000  604.62618  49.5%     -    0s
     0     2  608.54455    0   15 1197.00000  608.54455  49.2%     -    0s
H  102    59                    1117.0000000  689.44563  38.3%   4.2    0s
H  608   169                    1115.0000000  819.91045  26.5%   3.1    0s
H  610   161                    1104.0000000  819.91045  25.7%   3.1    0s
* 2338   178              24    1095.0000000  916.05003  16.3%   3.3    0s
* 3042    69              25    1091.0000000 1007.00000  7.70%   3.2    0s

Cutting planes:
  Gomory: 10
  Implied bound: 2
  MIR: 12

Explored 3205 nodes (10093 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.091000000000e+03, best bound 1.091000000000e+03, gap 0.0%