
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 15:11:03 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2514.15.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/grafo2514.15.lp
Reading time = 0.01 seconds
: 2378 rows, 295 columns, 7244 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 2378 rows, 295 columns and 7244 nonzeros
Model fingerprint: 0xace4b488
Variable types: 15 continuous, 280 integer (280 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 3.0000000
Presolve removed 395 rows and 27 columns
Presolve time: 0.02s
Presolved: 1983 rows, 268 columns, 6176 nonzeros
Variable types: 0 continuous, 268 integer (253 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.000000e+01, 93 iterations, 0.00 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   62    5.00000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0  109    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   70    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   69    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   57    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   57    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   61    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   47    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   29    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   75    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   38    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   39    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   45    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   45    6.00000   10.00000  66.7%     -    0s
     0     2   10.00000    0   43    6.00000   10.00000  66.7%     -    0s
H  927   451                       7.0000000   10.00000  42.9%  61.1    2s
  2852   736 infeasible   10         7.00000   10.00000  42.9%  68.7    5s

Cutting planes:
  Gomory: 1
  Cover: 158
  Clique: 2
  MIR: 42
  StrongCG: 6
  GUB cover: 2
  Inf proof: 104
  Zero half: 2
  RLT: 27
  BQP: 1

Explored 5461 nodes (383012 simplex iterations) in 8.03 seconds (9.13 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 6 5 3 

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/grafo2514.15.sol'

