
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:54:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2620.13.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/grafo2620.13.lp
Reading time = 0.00 seconds
: 1579 rows, 204 columns, 4794 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 1579 rows, 204 columns and 4794 nonzeros
Model fingerprint: 0xd4b1333c
Variable types: 12 continuous, 192 integer (192 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 341 rows and 7 columns
Presolve time: 0.01s
Presolved: 1238 rows, 197 columns, 3831 nonzeros
Variable types: 0 continuous, 197 integer (185 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.000000e+01, 155 iterations, 0.01 seconds (0.00 work units)

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

     0     0   10.00000    0   37    3.00000   10.00000   233%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0   89    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   78    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   68    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   54    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   52    5.00000   10.00000   100%     -    0s
     0     0    9.66667    0   52    5.00000    9.66667  93.3%     -    0s
     0     0    9.66667    0   86    5.00000    9.66667  93.3%     -    0s
     0     0    9.66667    0   42    5.00000    9.66667  93.3%     -    0s
     0     0    9.66667    0   91    5.00000    9.66667  93.3%     -    0s
     0     0    9.66667    0   44    5.00000    9.66667  93.3%     -    0s
     0     0    9.66667    0   44    5.00000    9.66667  93.3%     -    0s
     0     2    9.66667    0   44    5.00000    9.66667  93.3%     -    0s
* 1046   356              22       6.0000000    9.00000  50.0%  32.5    1s

Cutting planes:
  Cover: 12
  Clique: 2
  MIR: 28
  StrongCG: 1
  Inf proof: 93
  Zero half: 3
  RLT: 26
  BQP: 1
  PSD: 1

Explored 3093 nodes (96814 simplex iterations) in 3.21 seconds (1.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 6 5 3 

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2620.13.sol'

