
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 02:05:03 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1214.26.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/grafo1214.26.lp
Reading time = 0.02 seconds
: 13085 rows, 589 columns, 39495 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 13085 rows, 589 columns and 39495 nonzeros
Model fingerprint: 0x47e040c0
Variable types: 15 continuous, 574 integer (574 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]
Presolve removed 6506 rows and 71 columns
Presolve time: 0.06s
Presolved: 6579 rows, 518 columns, 19983 nonzeros
Variable types: 0 continuous, 518 integer (503 binary)

Root relaxation: objective 1.000000e+01, 253 iterations, 0.02 seconds (0.02 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   10.00000    0   41          -   10.00000      -     -    0s
H    0     0                       7.0000000   10.00000  42.9%     -    0s
     0     0   10.00000    0   78    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   74    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   64    7.00000   10.00000  42.9%     -    0s
     0     0    9.50000    0   63    7.00000    9.50000  35.7%     -    0s
     0     0    9.00000    0   41    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   43    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   47    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   54    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   67    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   30    7.00000    9.00000  28.6%     -    0s
H    0     0                       8.0000000    9.00000  12.5%     -    0s
     0     0    9.00000    0   56    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   50    8.00000    9.00000  12.5%     -    0s
     0     0    9.00000    0   20    8.00000    9.00000  12.5%     -    0s
     0     2    9.00000    0   20    8.00000    9.00000  12.5%     -    0s
  1771    81    9.00000   29   41    8.00000    9.00000  12.5%  92.2    5s

Cutting planes:
  Cover: 76
  Clique: 8
  MIR: 67
  StrongCG: 5
  Inf proof: 94
  Zero half: 3
  RLT: 42
  BQP: 3
  PSD: 3

Explored 2902 nodes (290821 simplex iterations) in 8.29 seconds (10.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 8 7 

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1214.26.sol'

