
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 18:42:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2183.16.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo2183.16.lp
Reading time = 0.01 seconds
: 5466 rows, 330 columns, 16555 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 5466 rows, 330 columns and 16555 nonzeros
Model fingerprint: 0x9a362ddd
Variable types: 14 continuous, 316 integer (316 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective 4.0000000
Presolve removed 3057 rows and 29 columns
Presolve time: 0.03s
Presolved: 2409 rows, 301 columns, 7472 nonzeros
Variable types: 0 continuous, 301 integer (287 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.200000e+01, 138 iterations, 0.01 seconds (0.01 work units)

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

     0     0   12.00000    0   68    7.00000   12.00000  71.4%     -    0s
     0     0   12.00000    0  109    7.00000   12.00000  71.4%     -    0s
     0     0   12.00000    0  103    7.00000   12.00000  71.4%     -    0s
H    0     0                       8.0000000   11.66667  45.8%     -    0s
     0     0   11.66667    0   68    8.00000   11.66667  45.8%     -    0s
     0     0   11.00000    0   66    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   85    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   83    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   73    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   72    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   48    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   52    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   67    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   79    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   76    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   41    8.00000   11.00000  37.5%     -    0s
     0     2   11.00000    0   41    8.00000   11.00000  37.5%     -    0s
  3409  1195     cutoff   36         8.00000   11.00000  37.5%  39.2    5s

Cutting planes:
  Clique: 1
  MIR: 3
  RLT: 3

Explored 8652 nodes (354575 simplex iterations) in 8.25 seconds (6.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 8 8 8 ... 4

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2183.16.sol'

