
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 12:59:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1685.23.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/grafo1685.23.lp
Reading time = 0.01 seconds
: 5590 rows, 500 columns, 16988 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 5590 rows, 500 columns and 16988 nonzeros
Model fingerprint: 0xd378a6c0
Variable types: 18 continuous, 482 integer (482 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 8.0000000
Presolve removed 219 rows and 19 columns
Presolve time: 0.04s
Presolved: 5371 rows, 481 columns, 16395 nonzeros
Variable types: 0 continuous, 481 integer (463 binary)

Root relaxation: objective 1.200000e+01, 132 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   12.00000    0   27    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   66    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   63    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   15    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   32    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   35    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   22    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   31    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   29    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   35    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   30    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   38    8.00000   12.00000  50.0%     -    0s
     0     0   12.00000    0   38    8.00000   12.00000  50.0%     -    0s
     0     2   12.00000    0   26    8.00000   12.00000  50.0%     -    0s

Cutting planes:
  Gomory: 6
  Cover: 17
  MIR: 24
  StrongCG: 2
  Inf proof: 49
  Zero half: 4
  Mod-K: 1
  RLT: 19

Explored 669 nodes (34909 simplex iterations) in 2.58 seconds (1.93 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 8 

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1685.23.sol'

