
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:48:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2518.13.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/grafo2518.13.lp
Reading time = 0.00 seconds
: 775 rows, 130 columns, 2326 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 775 rows, 130 columns and 2326 nonzeros
Model fingerprint: 0xcdf53ef4
Variable types: 7 continuous, 123 integer (123 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 59 rows and 4 columns
Presolve time: 0.01s
Presolved: 716 rows, 126 columns, 2170 nonzeros
Variable types: 0 continuous, 126 integer (119 binary)

Root relaxation: objective 5.000000e+00, 26 iterations, 0.00 seconds (0.00 work units)

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

     0     0    5.00000    0    9          -    5.00000      -     -    0s
H    0     0                       3.0000000    5.00000  66.7%     -    0s
     0     0    5.00000    0    7    3.00000    5.00000  66.7%     -    0s
     0     0    5.00000    0    7    3.00000    5.00000  66.7%     -    0s
     0     0    5.00000    0    5    3.00000    5.00000  66.7%     -    0s
     0     0    5.00000    0    4    3.00000    5.00000  66.7%     -    0s
     0     0    5.00000    0    7    3.00000    5.00000  66.7%     -    0s
     0     0    5.00000    0    7    3.00000    5.00000  66.7%     -    0s
     0     0    5.00000    0    5    3.00000    5.00000  66.7%     -    0s
     0     0    5.00000    0   21    3.00000    5.00000  66.7%     -    0s
     0     0    4.60000    0    7    3.00000    4.60000  53.3%     -    0s
     0     0    4.00000    0    9    3.00000    4.00000  33.3%     -    0s
     0     0    4.00000    0    5    3.00000    4.00000  33.3%     -    0s
     0     0    4.00000    0    5    3.00000    4.00000  33.3%     -    0s
     0     2    4.00000    0    5    3.00000    4.00000  33.3%     -    0s

Cutting planes:
  Cover: 4
  MIR: 4
  StrongCG: 1
  Inf proof: 2
  Zero half: 1
  Mod-K: 8
  RLT: 3

Explored 98 nodes (2159 simplex iterations) in 0.27 seconds (0.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 3 

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2518.13.sol'

