
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:53:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo790.17.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/grafo790.17.lp
Reading time = 0.01 seconds
: 2998 rows, 289 columns, 9061 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 2998 rows, 289 columns and 9061 nonzeros
Model fingerprint: 0x496609da
Variable types: 14 continuous, 275 integer (275 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 1.0000000
Presolve removed 611 rows and 12 columns
Presolve time: 0.02s
Presolved: 2387 rows, 277 columns, 7333 nonzeros
Variable types: 0 continuous, 277 integer (263 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 9.000000e+00, 187 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    9.00000    0   57    3.00000    9.00000   200%     -    0s
H    0     0                       4.0000000    9.00000   125%     -    0s
     0     0    9.00000    0   69    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   68    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   60    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   59    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   33    4.00000    9.00000   125%     -    0s
H    0     0                       5.0000000    9.00000  80.0%     -    0s
     0     0    9.00000    0   32    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   51    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   52    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   57    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   59    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   58    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   55    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   45    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   45    5.00000    9.00000  80.0%     -    0s
     0     2    9.00000    0   45    5.00000    9.00000  80.0%     -    0s
*  944   239               8       6.0000000    7.66667  27.8%  47.3    3s

Cutting planes:
  Cover: 40
  MIR: 70
  StrongCG: 2
  GUB cover: 3
  Inf proof: 38
  Zero half: 9
  RLT: 26

Explored 1622 nodes (92420 simplex iterations) in 4.47 seconds (2.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 6 5 4 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo790.17.sol'

