
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:09:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo607.15.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/grafo607.15.lp
Reading time = 0.01 seconds
: 4532 rows, 243 columns, 13653 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 4532 rows, 243 columns and 13653 nonzeros
Model fingerprint: 0x0b79d352
Variable types: 12 continuous, 231 integer (231 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 1943 rows and 4 columns
Presolve time: 0.04s
Presolved: 2589 rows, 239 columns, 7869 nonzeros
Variable types: 0 continuous, 239 integer (227 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 1.300000e+01, 241 iterations, 0.03 seconds (0.01 work units)

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

     0     0   13.00000    0   95    2.00000   13.00000   550%     -    0s
H    0     0                       5.0000000   13.00000   160%     -    0s
     0     0   13.00000    0  107    5.00000   13.00000   160%     -    0s
     0     0   13.00000    0   98    5.00000   13.00000   160%     -    0s
     0     0   13.00000    0   78    5.00000   13.00000   160%     -    0s
     0     0   13.00000    0   68    5.00000   13.00000   160%     -    0s
     0     0   13.00000    0   92    5.00000   13.00000   160%     -    0s
     0     0   13.00000    0   92    5.00000   13.00000   160%     -    0s
     0     0   13.00000    0   49    5.00000   13.00000   160%     -    1s
     0     0   13.00000    0   69    5.00000   13.00000   160%     -    1s
     0     0   13.00000    0   72    5.00000   13.00000   160%     -    1s
     0     0   13.00000    0   72    5.00000   13.00000   160%     -    1s
     0     0   13.00000    0   67    5.00000   13.00000   160%     -    1s
     0     0   13.00000    0   59    5.00000   13.00000   160%     -    1s
     0     2   13.00000    0   59    5.00000   13.00000   160%     -    1s
H  356   229                       6.0000000   13.00000   117%  48.1    3s
H  426   227                       7.0000000   12.50000  78.6%  44.4    3s
  2599   596    8.00000   19   50    7.00000   10.00000  42.9%  28.0    5s

Cutting planes:
  Cover: 25
  Clique: 2
  MIR: 155
  StrongCG: 3
  Inf proof: 55
  Zero half: 6
  RLT: 41

Explored 4914 nodes (126624 simplex iterations) in 6.54 seconds (3.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 7 6 5 ... 1

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/grafo607.15.sol'

