
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 15:12:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1449.21.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/grafo1449.21.lp
Reading time = 0.01 seconds
: 3566 rows, 375 columns, 10818 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 3566 rows, 375 columns and 10818 nonzeros
Model fingerprint: 0x4737cfe1
Variable types: 12 continuous, 363 integer (363 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 315 rows and 42 columns
Presolve time: 0.02s
Presolved: 3251 rows, 333 columns, 9861 nonzeros
Variable types: 0 continuous, 333 integer (321 binary)

Root relaxation: objective 8.000000e+00, 144 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    8.00000    0   19          -    8.00000      -     -    0s
H    0     0                       6.0000000    8.00000  33.3%     -    0s
     0     0    8.00000    0   37    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   32    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   28    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   24    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   38    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   17    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   19    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   22    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   16    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   19    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   19    6.00000    8.00000  33.3%     -    0s
     0     2    8.00000    0   18    6.00000    8.00000  33.3%     -    0s

Cutting planes:
  Cover: 15
  Clique: 4
  MIR: 18
  StrongCG: 2
  Inf proof: 12
  Zero half: 3
  Mod-K: 1
  RLT: 9
  BQP: 1
  PSD: 1

Explored 447 nodes (20468 simplex iterations) in 1.20 seconds (1.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

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/grafo1449.21.sol'

