
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 19:03:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2619.15.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/grafo2619.15.lp
Reading time = 0.01 seconds
: 2172 rows, 303 columns, 6667 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 2172 rows, 303 columns and 6667 nonzeros
Model fingerprint: 0x918747e6
Variable types: 14 continuous, 289 integer (289 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 5.0000000
Presolve removed 380 rows and 51 columns
Presolve time: 0.02s
Presolved: 1792 rows, 252 columns, 5554 nonzeros
Variable types: 0 continuous, 252 integer (238 binary)

Root relaxation: objective 9.000000e+00, 132 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   53    5.00000    9.00000  80.0%     -    0s
H    0     0                       6.0000000    9.00000  50.0%     -    0s
     0     0    9.00000    0  103    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   12    6.00000    9.00000  50.0%     -    0s
H    0     0                       7.0000000    9.00000  28.6%     -    0s
     0     0    9.00000    0    9    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   38    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   38    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   17    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   19    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   12    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   12    7.00000    9.00000  28.6%     -    0s
     0     2    9.00000    0   12    7.00000    9.00000  28.6%     -    0s

Cutting planes:
  Cover: 14
  Clique: 5
  MIR: 14
  StrongCG: 2
  Inf proof: 25
  Zero half: 3
  RLT: 19
  BQP: 3
  PSD: 3

Explored 637 nodes (31699 simplex iterations) in 1.03 seconds (0.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 7 6 5 

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/grafo2619.15.sol'

