
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:43:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo247.15.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/grafo247.15.lp
Reading time = 0.00 seconds
: 1648 rows, 202 columns, 4975 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 1648 rows, 202 columns and 4975 nonzeros
Model fingerprint: 0xddff571b
Variable types: 10 continuous, 192 integer (192 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 289 rows and 5 columns
Presolve time: 0.01s
Presolved: 1359 rows, 197 columns, 4147 nonzeros
Variable types: 0 continuous, 197 integer (187 binary)

Root relaxation: objective 9.000000e+00, 119 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    9.00000    0   41    3.00000    9.00000   200%     -    0s
H    0     0                       5.0000000    9.00000  80.0%     -    0s
     0     0    9.00000    0   46    5.00000    9.00000  80.0%     -    0s
     0     0    8.66667    0   52    5.00000    8.66667  73.3%     -    0s
     0     0    8.50000    0   57    5.00000    8.50000  70.0%     -    0s
     0     0    8.00000    0   39    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   39    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   35    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   43    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   42    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   48    5.00000    8.00000  60.0%     -    0s
     0     0    7.00000    0   40    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   51    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   37    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   37    5.00000    7.00000  40.0%     -    0s
     0     2    7.00000    0   37    5.00000    7.00000  40.0%     -    0s

Cutting planes:
  Gomory: 4
  Cover: 16
  Clique: 2
  MIR: 50
  StrongCG: 1
  GUB cover: 2
  Inf proof: 73
  Zero half: 6
  RLT: 26
  Relax-and-lift: 1
  BQP: 1
  PSD: 1

Explored 1382 nodes (30139 simplex iterations) in 1.29 seconds (0.58 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 3 

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/grafo247.15.sol'

