
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:20:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2165.22.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/grafo2165.22.lp
Reading time = 0.01 seconds
: 5672 rows, 443 columns, 17172 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 5672 rows, 443 columns and 17172 nonzeros
Model fingerprint: 0x9d37e4eb
Variable types: 16 continuous, 427 integer (427 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 1001 rows and 9 columns
Presolve time: 0.04s
Presolved: 4671 rows, 434 columns, 14273 nonzeros
Variable types: 0 continuous, 434 integer (418 binary)

Root relaxation: objective 1.200000e+01, 243 iterations, 0.02 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   75          -   12.00000      -     -    0s
H    0     0                       6.0000000   12.00000   100%     -    0s
     0     0   12.00000    0   95    6.00000   12.00000   100%     -    0s
H    0     0                       7.0000000   12.00000  71.4%     -    0s
     0     0   12.00000    0   94    7.00000   12.00000  71.4%     -    0s
     0     0   12.00000    0   26    7.00000   12.00000  71.4%     -    0s
     0     0   12.00000    0   26    7.00000   12.00000  71.4%     -    0s
     0     0   12.00000    0   28    7.00000   12.00000  71.4%     -    0s
H    0     0                       8.0000000   12.00000  50.0%     -    0s
     0     0   12.00000    0   55    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   58    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   42    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   41    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   68    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   65    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   80    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   78    8.00000   12.00000  50.0%     -    0s
     0     2   12.00000    0   76    8.00000   12.00000  50.0%     -    0s
  2762   586    9.00000   28   32    8.00000   10.71429  33.9%  44.0    5s
  3994   681 infeasible   32         8.00000   10.50000  31.2%  47.2   10s

Cutting planes:
  Gomory: 1
  Cover: 1
  MIR: 3
  Inf proof: 3
  RLT: 3

Explored 6233 nodes (330267 simplex iterations) in 13.51 seconds (10.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 8 8 8 ... 6

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/grafo2165.22.sol'

