Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:02:11 2013

Optimize a model with 135 rows, 100 columns and 360 nonzeros
Presolve removed 45 rows and 45 columns
Presolve time: 0.00s
Presolved: 90 rows, 55 columns, 270 nonzeros
Variable types: 10 continuous, 45 integer (45 binary)
Found heuristic solution: objective 3109.0000000

Root relaxation: objective 4.820000e+02, 41 iterations, 0.00 seconds

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

     0     0  482.00000    0   25 3109.00000  482.00000  84.5%     -    0s
H    0     0                    2940.0000000  482.00000  83.6%     -    0s
     0     0  662.15809    0   18 2940.00000  662.15809  77.5%     -    0s
     0     0  695.78501    0   19 2940.00000  695.78501  76.3%     -    0s
     0     0  709.41508    0   19 2940.00000  709.41508  75.9%     -    0s
     0     0  709.41508    0   19 2940.00000  709.41508  75.9%     -    0s
     0     2  715.14425    0   19 2940.00000  715.14425  75.7%     -    0s
H   27    27                    1660.0000000  750.76305  54.8%   4.4    0s
H   77    49                    1423.0000000  779.45547  45.2%   4.2    0s
*   86    52              16    1408.0000000  779.45547  44.6%   4.1    0s
*  296   127              12    1407.0000000  834.13619  40.7%   3.6    0s
*  301   116              13    1353.0000000  834.13619  38.3%   3.6    0s

Cutting planes:
  Gomory: 23
  Implied bound: 10
  MIR: 38

Explored 2771 nodes (12919 simplex iterations) in 0.30 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.353000000000e+03, best bound 1.353000000000e+03, gap 0.0%