
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:49:22 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2532.14.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/grafo2532.14.lp
Reading time = 0.01 seconds
: 3350 rows, 250 columns, 10135 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 3350 rows, 250 columns and 10135 nonzeros
Model fingerprint: 0x6f11cab0
Variable types: 14 continuous, 236 integer (236 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]
Found heuristic solution: objective 1.0000000
Presolve removed 1161 rows and 9 columns
Presolve time: 0.03s
Presolved: 2189 rows, 241 columns, 6721 nonzeros
Variable types: 0 continuous, 241 integer (227 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 1.100000e+01, 175 iterations, 0.02 seconds (0.01 work units)

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

     0     0   11.00000    0   69    2.00000   11.00000   450%     -    0s
H    0     0                       3.0000000   11.00000   267%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
     0     0   11.00000    0  112    4.00000   11.00000   175%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
     0     0   11.00000    0  111    5.00000   11.00000   120%     -    0s
     0     0   10.66667    0   65    5.00000   10.66667   113%     -    0s
     0     0   10.66667    0   80    5.00000   10.66667   113%     -    0s
     0     0   10.00000    0   55    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   51    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   69    5.00000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   56    6.00000   10.00000  66.7%     -    0s
     0     0    9.66667    0   79    6.00000    9.66667  61.1%     -    0s
     0     0    9.66667    0   72    6.00000    9.66667  61.1%     -    0s
     0     0    9.50000    0   77    6.00000    9.50000  58.3%     -    0s
     0     0    9.50000    0   51    6.00000    9.50000  58.3%     -    0s
     0     2    9.50000    0   51    6.00000    9.50000  58.3%     -    1s
H  130   100                       7.0000000    9.50000  35.7%  24.6    1s

Cutting planes:
  Gomory: 3
  Cover: 10
  Clique: 4
  MIR: 52
  Inf proof: 20
  Zero half: 13
  RLT: 26

Explored 940 nodes (24582 simplex iterations) in 2.20 seconds (1.14 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 7 6 5 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2532.14.sol'

