
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:03:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2847.18.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/grafo2847.18.lp
Reading time = 0.01 seconds
: 3991 rows, 413 columns, 12207 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 3991 rows, 413 columns and 12207 nonzeros
Model fingerprint: 0xfe5ead8a
Variable types: 19 continuous, 394 integer (394 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 242 rows and 21 columns
Presolve time: 0.03s
Presolved: 3749 rows, 392 columns, 11568 nonzeros
Variable types: 0 continuous, 392 integer (373 binary)

Root relaxation: objective 1.000000e+01, 155 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   10.00000    0   18          -   10.00000      -     -    0s
H    0     0                       8.0000000   10.00000  25.0%     -    0s
     0     0   10.00000    0   49    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   28    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   12    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   13    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   13    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   12    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   19    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   26    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   12    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   12    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0    7    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   14    8.00000   10.00000  25.0%     -    0s
     0     0   10.00000    0   14    8.00000   10.00000  25.0%     -    0s
     0     2   10.00000    0   11    8.00000   10.00000  25.0%     -    0s

Cutting planes:
  Gomory: 4
  Cover: 4
  Clique: 1
  MIR: 10
  Inf proof: 20
  Zero half: 1
  Mod-K: 2
  RLT: 10

Explored 364 nodes (20729 simplex iterations) in 1.26 seconds (1.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 8 

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2847.18.sol'

