
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 17:41:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo911.12.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/grafo911.12.lp
Reading time = 0.01 seconds
: 3169 rows, 190 columns, 9555 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 3169 rows, 190 columns and 9555 nonzeros
Model fingerprint: 0x6a32b1e4
Variable types: 11 continuous, 179 integer (179 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 1393 rows and 0 columns
Presolve time: 0.02s
Presolved: 1776 rows, 190 columns, 5458 nonzeros
Variable types: 0 continuous, 190 integer (179 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 8.000000e+00, 200 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    8.00000    0   61    2.00000    8.00000   300%     -    0s
H    0     0                       3.0000000    8.00000   167%     -    0s
H    0     0                       4.0000000    8.00000   100%     -    0s
     0     0    8.00000    0   59    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   45    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   48    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   42    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   48    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   31    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   31    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   47    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   48    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   42    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   40    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   44    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   41    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   21    4.00000    8.00000   100%     -    0s
H    0     0                       5.0000000    8.00000  60.0%     -    0s
     0     0    8.00000    0   37    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   47    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   35    5.00000    8.00000  60.0%     -    0s
     0     2    8.00000    0   26    5.00000    8.00000  60.0%     -    0s

Cutting planes:
  Cover: 23
  Clique: 9
  MIR: 29
  Inf proof: 99
  Zero half: 7
  RLT: 32
  BQP: 1
  PSD: 1

Explored 4371 nodes (179065 simplex iterations) in 3.62 seconds (3.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 5 4 3 2 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo911.12.sol'

