
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:39:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo329.17.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/grafo329.17.lp
Reading time = 0.01 seconds
: 3284 rows, 310 columns, 9930 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 3284 rows, 310 columns and 9930 nonzeros
Model fingerprint: 0x03c81e70
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 1.0000000
Presolve removed 701 rows and 15 columns
Presolve time: 0.03s
Presolved: 2583 rows, 295 columns, 7953 nonzeros
Variable types: 0 continuous, 295 integer (280 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.000000e+01, 121 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   57    4.00000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0   97    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   68    5.00000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   67    6.00000   10.00000  66.7%     -    0s
     0     0    9.50000    0   71    6.00000    9.50000  58.3%     -    0s
     0     0    9.50000    0   56    6.00000    9.50000  58.3%     -    0s
     0     0    9.00000    0   82    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   62    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   85    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   82    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   59    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   50    6.00000    9.00000  50.0%     -    0s
     0     2    9.00000    0   39    6.00000    9.00000  50.0%     -    1s
  1313   460 infeasible   22         6.00000    8.00000  33.3%  59.3    5s
H 1630   229                       7.0000000    8.00000  14.3%  60.3    5s

Cutting planes:
  Lift-and-project: 2
  Cover: 50
  Clique: 3
  MIR: 69
  StrongCG: 7
  GUB cover: 5
  Inf proof: 68
  Zero half: 1
  RLT: 28
  Relax-and-lift: 1

Explored 2393 nodes (177019 simplex iterations) in 8.13 seconds (5.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 7 6 5 ... 1

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/grafo329.17.sol'

