
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 12:53:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1652.18.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/grafo1652.18.lp
Reading time = 0.02 seconds
: 7655 rows, 314 columns, 23058 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 7655 rows, 314 columns and 23058 nonzeros
Model fingerprint: 0x67288eb1
Variable types: 13 continuous, 301 integer (301 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 3095 rows and 2 columns
Presolve time: 0.05s
Presolved: 4560 rows, 312 columns, 13816 nonzeros
Variable types: 0 continuous, 312 integer (299 binary)

Root relaxation: objective 1.100000e+01, 205 iterations, 0.02 seconds (0.02 work units)

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

     0     0   11.00000    0   65          -   11.00000      -     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
H    0     0                       6.0000000   11.00000  83.3%     -    0s
     0     0   11.00000    0  124    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   76    6.00000   11.00000  83.3%     -    0s
     0     0   10.83333    0   54    6.00000   10.83333  80.6%     -    0s
     0     0   10.83333    0   58    6.00000   10.83333  80.6%     -    0s
     0     0   10.50000    0   55    6.00000   10.50000  75.0%     -    0s
     0     0   10.33333    0   53    6.00000   10.33333  72.2%     -    0s
     0     0   10.16667    0   74    6.00000   10.16667  69.4%     -    0s
     0     0   10.16667    0   62    6.00000   10.16667  69.4%     -    0s
     0     0   10.00000    0   60    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   63    6.00000   10.00000  66.7%     -    1s
     0     0   10.00000    0   59    6.00000   10.00000  66.7%     -    1s
     0     0   10.00000    0   59    6.00000   10.00000  66.7%     -    1s
     0     2   10.00000    0   59    6.00000   10.00000  66.7%     -    1s
* 1504   447              33       7.0000000   10.00000  42.9%  40.9    3s
  3204   510    8.00000   22   36    7.00000    9.00000  28.6%  33.5    5s

Cutting planes:
  Cover: 44
  Clique: 23
  MIR: 54
  StrongCG: 2
  Inf proof: 56
  Zero half: 6
  RLT: 44
  BQP: 2

Explored 5918 nodes (185421 simplex iterations) in 7.20 seconds (7.13 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/grafo1652.18.sol'

