
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:09:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2085.29.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/grafo2085.29.lp
Reading time = 0.02 seconds
: 10657 rows, 666 columns, 32217 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 10657 rows, 666 columns and 32217 nonzeros
Model fingerprint: 0xd500650e
Variable types: 19 continuous, 647 integer (647 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 783 rows and 8 columns
Presolve time: 0.07s
Presolved: 9874 rows, 658 columns, 29996 nonzeros
Variable types: 0 continuous, 658 integer (639 binary)

Root relaxation: objective 1.000000e+01, 182 iterations, 0.03 seconds (0.02 work units)

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

     0     0   10.00000    0   35          -   10.00000      -     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
H    0     0                       7.0000000   10.00000  42.9%     -    0s
     0     0   10.00000    0   39    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   41    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   21    7.00000   10.00000  42.9%     -    0s
H    0     0                       8.0000000   10.00000  25.0%     -    0s
     0     0   10.00000    0   21    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   20    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   22    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   16    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   26    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   22    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   22    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   34    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   32    8.00000   10.00000  25.0%     -    1s
     0     0   10.00000    0   26    8.00000   10.00000  25.0%     -    1s
     0     0   10.00000    0   26    8.00000   10.00000  25.0%     -    1s
     0     2   10.00000    0   26    8.00000   10.00000  25.0%     -    1s
  1250   328 infeasible   23         8.00000    9.50000  18.8%  58.7    5s

Cutting planes:
  Cover: 19
  Clique: 1
  MIR: 35
  StrongCG: 2
  GUB cover: 1
  Inf proof: 101
  Zero half: 5
  RLT: 10

Explored 2644 nodes (166036 simplex iterations) in 7.21 seconds (7.63 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 8 7 6 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/grafo2085.29.sol'

