
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 19:15:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2927.13.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/grafo2927.13.lp
Reading time = 0.01 seconds
: 4155 rows, 231 columns, 12565 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 4155 rows, 231 columns and 12565 nonzeros
Model fingerprint: 0x630fef85
Variable types: 11 continuous, 220 integer (220 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 2828 rows and 28 columns
Presolve time: 0.03s
Presolved: 1327 rows, 203 columns, 4152 nonzeros
Variable types: 0 continuous, 203 integer (192 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 8.000000e+00, 126 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    8.00000    0   47    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   55    5.00000    8.00000  60.0%     -    0s
H    0     0                       6.0000000    8.00000  33.3%     -    0s
     0     0    8.00000    0   32    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   40    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   40    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   44    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   44    6.00000    8.00000  33.3%     -    0s
     0     0    7.00000    0   23    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   24    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   31    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   27    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   67    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   60    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   51    6.00000    7.00000  16.7%     -    0s
     0     2    7.00000    0   32    6.00000    7.00000  16.7%     -    0s

Cutting planes:
  Gomory: 2
  Cover: 44
  Clique: 4
  MIR: 46
  StrongCG: 6
  Inf proof: 69
  Zero half: 2
  RLT: 31

Explored 1567 nodes (67225 simplex iterations) in 1.29 seconds (1.19 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 6 5 

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/grafo2927.13.sol'

