
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 15:57:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2801.22.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/grafo2801.22.lp
Reading time = 0.01 seconds
: 6157 rows, 472 columns, 18671 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 6157 rows, 472 columns and 18671 nonzeros
Model fingerprint: 0xa86375d4
Variable types: 18 continuous, 454 integer (454 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 1002 rows and 13 columns
Presolve time: 0.04s
Presolved: 5155 rows, 459 columns, 15793 nonzeros
Variable types: 0 continuous, 459 integer (441 binary)

Root relaxation: objective 1.000000e+01, 129 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   10.00000    0   46          -   10.00000      -     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
H    0     0                       8.0000000   10.00000  25.0%     -    0s
     0     0   10.00000    0   76    8.00000   10.00000  25.0%     -    0s
     0     0    9.66667    0   38    8.00000    9.66667  20.8%     -    0s
     0     0    9.00000    0   44    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   58    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   50    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   44    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   47    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   23    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   50    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   33    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   34    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   29    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   28    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   28    8.00000    9.00000  12.5%     -    0s
     0     2    9.00000    0   23    8.00000    9.00000  12.5%     -    0s
  1853    11 infeasible   24         8.00000    9.00000  12.5%  76.8    5s

Cutting planes:
  Gomory: 4
  Cover: 35
  Clique: 2
  MIR: 42
  StrongCG: 3
  GUB cover: 1
  Inf proof: 82
  Zero half: 11
  RLT: 21

Explored 2034 nodes (160617 simplex iterations) in 5.31 seconds (5.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 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/grafo2801.22.sol'

