
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:36:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3097.11.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/grafo3097.11.lp
Reading time = 0.01 seconds
: 3202 rows, 187 columns, 9645 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 3202 rows, 187 columns and 9645 nonzeros
Model fingerprint: 0xb5ae01f0
Variable types: 12 continuous, 175 integer (175 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 1.0000000
Presolve removed 1533 rows and 9 columns
Presolve time: 0.04s
Presolved: 1669 rows, 178 columns, 5097 nonzeros
Variable types: 0 continuous, 178 integer (166 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 1.100000e+01, 134 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   11.00000    0   61    2.00000   11.00000   450%     -    0s
H    0     0                       3.0000000   11.00000   267%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
     0     0   11.00000    0   85    5.00000   11.00000   120%     -    0s
H    0     0                       6.0000000   10.66667  77.8%     -    0s
     0     0   10.66667    0   65    6.00000   10.66667  77.8%     -    0s
     0     0   10.50000    0   56    6.00000   10.50000  75.0%     -    0s
     0     0   10.00000    0   63    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   75    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   65    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   65    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   62    6.00000   10.00000  66.7%     -    0s
     0     0    9.66667    0   69    6.00000    9.66667  61.1%     -    0s
     0     0    9.50000    0   53    6.00000    9.50000  58.3%     -    0s
     0     0    9.16667    0   48    6.00000    9.16667  52.8%     -    0s
     0     0    9.00000    0   66    6.00000    9.00000  50.0%     -    1s
     0     0    9.00000    0   44    6.00000    9.00000  50.0%     -    1s
     0     2    9.00000    0   44    6.00000    9.00000  50.0%     -    1s

Cutting planes:
  Cover: 5
  Clique: 13
  MIR: 103
  GUB cover: 1
  Inf proof: 33
  Zero half: 9
  RLT: 44

Explored 4762 nodes (108280 simplex iterations) in 4.36 seconds (2.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 6 5 4 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo3097.11.sol'

