
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 12:08:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1161.17.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/grafo1161.17.lp
Reading time = 0.01 seconds
: 2906 rows, 243 columns, 8772 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 2906 rows, 243 columns and 8772 nonzeros
Model fingerprint: 0x0c9b2614
Variable types: 10 continuous, 233 integer (233 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 726 rows and 0 columns
Presolve time: 0.02s
Presolved: 2180 rows, 243 columns, 6682 nonzeros
Variable types: 0 continuous, 243 integer (233 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 7.000000e+00, 125 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    7.00000    0   60    3.00000    7.00000   133%     -    0s
     0     0    7.00000    0   98    3.00000    7.00000   133%     -    0s
     0     0    7.00000    0   93    3.00000    7.00000   133%     -    0s
     0     0    7.00000    0   28    3.00000    7.00000   133%     -    0s
H    0     0                       5.0000000    7.00000  40.0%     -    0s
     0     0    7.00000    0   26    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   28    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   32    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   32    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   19    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   33    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   38    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   38    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   32    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   33    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   30    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   18    5.00000    7.00000  40.0%     -    0s
     0     2    7.00000    0   18    5.00000    7.00000  40.0%     -    0s

Cutting planes:
  Cover: 21
  Clique: 2
  MIR: 18
  StrongCG: 1
  Inf proof: 101
  Zero half: 11
  RLT: 20
  BQP: 1
  PSD: 1

Explored 2482 nodes (71268 simplex iterations) in 1.81 seconds (1.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 3 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1161.17.sol'

