
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:57:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo845.16.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/grafo845.16.lp
Reading time = 0.01 seconds
: 2559 rows, 228 columns, 7693 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 2559 rows, 228 columns and 7693 nonzeros
Model fingerprint: 0x22cb4f49
Variable types: 11 continuous, 217 integer (217 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 -0.0000000
Presolve removed 751 rows and 12 columns
Presolve time: 0.03s
Presolved: 1808 rows, 216 columns, 5536 nonzeros
Variable types: 0 continuous, 216 integer (205 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 8.000000e+00, 120 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   38    2.00000    8.00000   300%     -    0s
H    0     0                       3.0000000    8.00000   167%     -    0s
H    0     0                       4.0000000    8.00000   100%     -    0s
     0     0    8.00000    0   66    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   68    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   66    4.00000    8.00000   100%     -    0s
     0     0    7.66667    0   41    4.00000    7.66667  91.7%     -    0s
     0     0    7.66667    0   51    4.00000    7.66667  91.7%     -    0s
     0     0    7.50000    0   36    4.00000    7.50000  87.5%     -    0s
     0     0    7.16667    0   38    4.00000    7.16667  79.2%     -    0s
     0     0    7.00000    0   83    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   73    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   65    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   48    4.00000    7.00000  75.0%     -    0s
     0     2    7.00000    0   31    4.00000    7.00000  75.0%     -    0s
*  300   188              14       5.0000000    7.00000  40.0%  42.9    1s

Cutting planes:
  Gomory: 2
  MIR: 52
  StrongCG: 1
  GUB cover: 1
  Inf proof: 14
  Zero half: 8
  RLT: 20

Explored 660 nodes (20574 simplex iterations) in 1.46 seconds (0.78 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 5 4 3 ... -0

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/grafo845.16.sol'

