
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 19:03:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2610.17.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/grafo2610.17.lp
Reading time = 0.01 seconds
: 5254 rows, 320 columns, 15889 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 5254 rows, 320 columns and 15889 nonzeros
Model fingerprint: 0xe406b4eb
Variable types: 13 continuous, 307 integer (307 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 4.0000000
Presolve removed 2884 rows and 33 columns
Presolve time: 0.03s
Presolved: 2370 rows, 287 columns, 7329 nonzeros
Variable types: 0 continuous, 287 integer (274 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 9.000000e+00, 186 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    9.00000    0   80    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   78    5.00000    9.00000  80.0%     -    0s
H    0     0                       6.0000000    9.00000  50.0%     -    0s
     0     0    8.66667    0   64    6.00000    8.66667  44.4%     -    0s
     0     0    8.00000    0   56    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   42    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   37    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   79    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   58    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   44    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   68    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   55    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   66    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   27    6.00000    8.00000  33.3%     -    0s
H    0     0                       7.0000000    8.00000  14.3%     -    0s
     0     0    8.00000    0   57    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   35    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   35    7.00000    8.00000  14.3%     -    0s
     0     2    8.00000    0   31    7.00000    8.00000  14.3%     -    0s

Cutting planes:
  Cover: 41
  Clique: 7
  MIR: 39
  StrongCG: 1
  GUB cover: 1
  Inf proof: 81
  Zero half: 1
  RLT: 34
  BQP: 5
  PSD: 1

Explored 1506 nodes (61607 simplex iterations) in 1.75 seconds (1.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 6 5 4 

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2610.17.sol'

