
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:05:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2736.16.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/grafo2736.16.lp
Reading time = 0.01 seconds
: 2153 rows, 267 columns, 6541 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 2153 rows, 267 columns and 6541 nonzeros
Model fingerprint: 0xa143bbdd
Variable types: 14 continuous, 253 integer (253 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 183 rows and 11 columns
Presolve time: 0.02s
Presolved: 1970 rows, 256 columns, 6076 nonzeros
Variable types: 0 continuous, 256 integer (242 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 8.000000e+00, 102 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    8    4.00000    8.00000   100%     -    0s
H    0     0                       5.0000000    8.00000  60.0%     -    0s
     0     0    8.00000    0   21    5.00000    8.00000  60.0%     -    0s
H    0     0                       6.0000000    8.00000  33.3%     -    0s
     0     0    8.00000    0   10    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   12    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0    7    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0    8    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   14    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   19    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   22    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0    8    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0    8    6.00000    8.00000  33.3%     -    0s
     0     2    8.00000    0    8    6.00000    8.00000  33.3%     -    0s

Cutting planes:
  Gomory: 5
  Cover: 10
  MIR: 15
  Inf proof: 3
  Zero half: 3
  Mod-K: 9
  RLT: 9
  Relax-and-lift: 1

Explored 176 nodes (6508 simplex iterations) in 0.75 seconds (0.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 6 5 4 3 

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/grafo2736.16.sol'

