
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 18:48:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2297.17.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/grafo2297.17.lp
Reading time = 0.01 seconds
: 5706 rows, 346 columns, 17272 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 5706 rows, 346 columns and 17272 nonzeros
Model fingerprint: 0x394f767a
Variable types: 14 continuous, 332 integer (332 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]
Presolve removed 3055 rows and 29 columns
Presolve time: 0.03s
Presolved: 2651 rows, 317 columns, 8189 nonzeros
Variable types: 0 continuous, 317 integer (303 binary)

Root relaxation: objective 1.200000e+01, 130 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   47          -   12.00000      -     -    0s
H    0     0                       5.0000000   12.00000   140%     -    0s
H    0     0                       7.0000000   12.00000  71.4%     -    0s
     0     0   12.00000    0   54    7.00000   12.00000  71.4%     -    0s
     0     0   12.00000    0   54    7.00000   12.00000  71.4%     -    0s
     0     0   11.50000    0   93    7.00000   11.50000  64.3%     -    0s
     0     0   11.00000    0   92    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   63    7.00000   11.00000  57.1%     -    0s
H    0     0                       8.0000000   11.00000  37.5%     -    0s
     0     0   11.00000    0   79    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   81    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   75    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   86    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   51    8.00000   11.00000  37.5%     -    0s
     0     0   11.00000    0   51    8.00000   11.00000  37.5%     -    0s
     0     2   11.00000    0   51    8.00000   11.00000  37.5%     -    0s
  3333  1161   10.66667   19  113    8.00000   11.00000  37.5%  45.3    5s
  9482  1981    9.58333   25  134    8.00000   10.00000  25.0%  50.3   10s
 15728  1336 infeasible   33         8.00000    9.96667  24.6%  51.3   15s

Cutting planes:
  Cover: 1
  MIR: 7
  Inf proof: 2
  RLT: 1

Explored 18361 nodes (928195 simplex iterations) in 16.56 seconds (13.86 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 8 8 8 ... 5

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/grafo2297.17.sol'

