
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:09:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2880.16.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/grafo2880.16.lp
Reading time = 0.01 seconds
: 3577 rows, 310 columns, 10841 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 3577 rows, 310 columns and 10841 nonzeros
Model fingerprint: 0xdb3c9347
Variable types: 15 continuous, 295 integer (295 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 1113 rows and 16 columns
Presolve time: 0.03s
Presolved: 2464 rows, 294 columns, 7654 nonzeros
Variable types: 0 continuous, 294 integer (279 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.000000e+01, 126 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   59    4.00000   10.00000   150%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   87    6.00000   10.00000  66.7%     -    0s
H    0     0                       7.0000000    9.00000  28.6%     -    0s
     0     0    9.00000    0   49    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   42    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   47    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   47    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   44    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   40    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   42    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   38    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   52    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   50    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   50    7.00000    9.00000  28.6%     -    0s
     0     2    9.00000    0   34    7.00000    9.00000  28.6%     -    0s
  4294    66 infeasible   14         7.00000    8.00000  14.3%  56.3    5s

Cutting planes:
  Gomory: 1
  Cover: 116
  Clique: 2
  MIR: 61
  StrongCG: 6
  GUB cover: 3
  Inf proof: 119
  Zero half: 5
  RLT: 35
  Relax-and-lift: 1

Explored 4674 nodes (276681 simplex iterations) in 5.49 seconds (6.63 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 6 4 2 

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/grafo2880.16.sol'

