
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 03:32:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1695.15.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/grafo1695.15.lp
Reading time = 0.01 seconds
: 5556 rows, 330 columns, 16825 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 5556 rows, 330 columns and 16825 nonzeros
Model fingerprint: 0xfcef18e2
Variable types: 17 continuous, 313 integer (313 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 2.0000000
Presolve removed 2010 rows and 7 columns
Presolve time: 0.05s
Presolved: 3546 rows, 323 columns, 10870 nonzeros
Variable types: 0 continuous, 323 integer (306 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.500000e+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   15.00000    0   68    5.00000   15.00000   200%     -    0s
H    0     0                       6.0000000   15.00000   150%     -    0s
     0     0   15.00000    0  104    6.00000   15.00000   150%     -    0s
H    0     0                       7.0000000   15.00000   114%     -    0s
     0     0   15.00000    0  103    7.00000   15.00000   114%     -    0s
H    0     0                       8.0000000   15.00000  87.5%     -    0s
     0     0   14.00000    0   97    8.00000   14.00000  75.0%     -    0s
     0     0   14.00000    0  103    8.00000   14.00000  75.0%     -    0s
     0     0   13.66667    0  103    8.00000   13.66667  70.8%     -    0s
     0     0   13.66667    0   94    8.00000   13.66667  70.8%     -    1s
     0     0   13.50000    0   97    8.00000   13.50000  68.8%     -    1s
     0     0   13.50000    0   97    8.00000   13.50000  68.8%     -    1s
     0     0   13.00000    0   83    8.00000   13.00000  62.5%     -    1s
     0     0   13.00000    0   83    8.00000   13.00000  62.5%     -    1s
     0     2   13.00000    0   83    8.00000   13.00000  62.5%     -    1s
  1877   649   10.50000   16   83    8.00000   12.66667  58.3%  35.0    5s
  2894   831    9.66667   29  108    8.00000   12.66667  58.3%  39.7   10s
H 2902   713                       9.0000000   12.66667  40.7%  39.6   10s
  5481   362 infeasible   43         9.00000   10.00000  11.1%  42.7   15s

Cutting planes:
  MIR: 2
  Inf proof: 2

Explored 7003 nodes (339504 simplex iterations) in 18.55 seconds (9.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 9 8 8 ... 2

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1695.15.sol'

