
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:54:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2613.15.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/grafo2613.15.lp
Reading time = 0.01 seconds
: 2055 rows, 238 columns, 6223 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 2055 rows, 238 columns and 6223 nonzeros
Model fingerprint: 0x538830fd
Variable types: 13 continuous, 225 integer (225 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 2.0000000
Presolve removed 372 rows and 12 columns
Presolve time: 0.05s
Presolved: 1683 rows, 226 columns, 5191 nonzeros
Variable types: 0 continuous, 226 integer (213 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 8.000000e+00, 150 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   30    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   75    5.00000    8.00000  60.0%     -    0s
     0     0    7.50000    0   31    5.00000    7.50000  50.0%     -    0s
     0     0    7.00000    0   51    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   50    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   52    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   53    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   53    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   45    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   42    5.00000    7.00000  40.0%     -    0s
     0     2    7.00000    0   42    5.00000    7.00000  40.0%     -    0s
  2735    54 infeasible   17         5.00000    6.00000  20.0%  67.8    5s

Cutting planes:
  Gomory: 1
  Cover: 94
  Clique: 3
  MIR: 20
  StrongCG: 1
  GUB cover: 1
  Inf proof: 29
  Zero half: 3
  RLT: 23

Explored 3023 nodes (213987 simplex iterations) in 5.50 seconds (3.70 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 2 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2613.15.sol'

