
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 17:03:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo619.13.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/grafo619.13.lp
Reading time = 0.01 seconds
: 6731 rows, 226 columns, 20264 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 6731 rows, 226 columns and 20264 nonzeros
Model fingerprint: 0x44325552
Variable types: 12 continuous, 214 integer (214 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 2.0000000
Presolve removed 3275 rows and 0 columns
Presolve time: 0.03s
Presolved: 3456 rows, 226 columns, 10470 nonzeros
Variable types: 0 continuous, 226 integer (214 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.100000e+01, 152 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   11.00000    0   35    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   63    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   59    4.00000   11.00000   175%     -    0s
     0     0   10.50000    0   74    4.00000   10.50000   162%     -    0s
     0     0   10.00000    0   75    4.00000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0   93    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   84    5.00000   10.00000   100%     -    0s
     0     0    9.66667    0   71    5.00000    9.66667  93.3%     -    0s
     0     0    9.50000    0   61    5.00000    9.50000  90.0%     -    0s
     0     0    9.50000    0   57    5.00000    9.50000  90.0%     -    0s
     0     0    9.26667    0   54    5.00000    9.26667  85.3%     -    0s
     0     0    9.00000    0   81    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   62    5.00000    9.00000  80.0%     -    0s
     0     2    9.00000    0   58    5.00000    9.00000  80.0%     -    1s
H  355   239                       6.0000000    9.00000  50.0%  38.4    1s
  2707   798    7.00000   37   26    6.00000    9.00000  50.0%  40.8    5s
 10257  2099 infeasible   28         6.00000    8.00000  33.3%  46.3   10s
 17660  2075 infeasible   42         6.00000    7.00000  16.7%  47.9   15s
 26554   977    7.00000   44   48    6.00000    7.00000  16.7%  49.9   20s

Cutting planes:
  Inf proof: 2
  RLT: 1

Explored 34950 nodes (1805366 simplex iterations) in 24.83 seconds (21.03 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 6 6 6 ... 2

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/grafo619.13.sol'

