
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:38:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo242.14.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/grafo242.14.lp
Reading time = 0.02 seconds
: 6080 rows, 248 columns, 18304 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 6080 rows, 248 columns and 18304 nonzeros
Model fingerprint: 0x8a224e75
Variable types: 13 continuous, 235 integer (235 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 1.0000000
Presolve removed 2941 rows and 3 columns
Presolve time: 0.05s
Presolved: 3139 rows, 245 columns, 9511 nonzeros
Variable types: 0 continuous, 245 integer (232 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.400000e+01, 204 iterations, 0.02 seconds (0.02 work units)

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

     0     0   14.00000    0   91    3.00000   14.00000   367%     -    0s
H    0     0                       6.0000000   14.00000   133%     -    0s
     0     0   14.00000    0  103    6.00000   14.00000   133%     -    0s
     0     0   14.00000    0  106    6.00000   14.00000   133%     -    0s
     0     0   14.00000    0   92    6.00000   14.00000   133%     -    0s
     0     0   14.00000    0   92    6.00000   14.00000   133%     -    0s
     0     0   14.00000    0   89    6.00000   14.00000   133%     -    0s
     0     0   14.00000    0   83    6.00000   14.00000   133%     -    1s
     0     0   13.66667    0  101    6.00000   13.66667   128%     -    1s
     0     0   13.66667    0   90    6.00000   13.66667   128%     -    1s
     0     0   13.66667    0   89    6.00000   13.66667   128%     -    1s
     0     0   13.66667    0   75    6.00000   13.66667   128%     -    1s
     0     2   13.66667    0   64    6.00000   13.66667   128%     -    1s
  1776   821    7.00000   23   75    6.00000   12.00000   100%  39.2    5s
  2833   983    7.00000   29   83    6.00000   12.00000   100%  40.1   10s
  4610   949    7.00000   32   78    6.00000   10.00000  66.7%  43.0   15s
  8247  1350     cutoff   41         6.00000    8.00000  33.3%  46.3   20s
 12945   933 infeasible   38         6.00000    7.00000  16.7%  49.7   26s
 14916   160     cutoff   36         6.00000    7.00000  16.7%  51.0   30s

Cutting planes:
  MIR: 4
  Inf proof: 2
  RLT: 3

Explored 16238 nodes (848517 simplex iterations) in 31.23 seconds (15.27 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 6 6 6 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo242.14.sol'

