
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:51:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5590.44.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/grafo5590.44.lp
Reading time = 0.12 seconds
: 74639 rows, 1961 columns, 225215 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 74639 rows, 1961 columns and 225215 nonzeros
Model fingerprint: 0x249fde9d
Variable types: 39 continuous, 1922 integer (1922 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 16458 rows and 21 columns
Presolve time: 0.55s
Presolved: 58181 rows, 1940 columns, 176097 nonzeros
Variable types: 0 continuous, 1940 integer (1901 binary)
Root relaxation presolved: 1940 rows, 60121 columns, 178037 nonzeros


Root relaxation: objective 3.500000e+01, 1960 iterations, 0.40 seconds (0.37 work units)
Total elapsed time = 5.75s (DegenMoves)

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

     0     0   35.00000    0  326          -   35.00000      -     -    6s
H    0     0                       8.0000000   35.00000   338%     -    6s
H    0     0                      10.0000000   35.00000   250%     -    6s
H    0     0                      12.0000000   35.00000   192%     -    6s
     0     0   35.00000    0  845   12.00000   35.00000   192%     -   19s
     0     0   35.00000    0  843   12.00000   35.00000   192%     -   20s
H    0     0                      13.0000000   35.00000   169%     -   33s
     0     0   35.00000    0  360   13.00000   35.00000   169%     -   33s
     0     0   35.00000    0  340   13.00000   35.00000   169%     -   33s
     0     0   35.00000    0  504   13.00000   35.00000   169%     -   43s
     0     0   35.00000    0  500   13.00000   35.00000   169%     -   44s
     0     0   35.00000    0  546   13.00000   35.00000   169%     -   50s

Cutting planes:
  Cover: 16
  Clique: 13
  MIR: 108
  GUB cover: 3
  Zero half: 21
  RLT: 52
  BQP: 1

Explored 1 nodes (47195 simplex iterations) in 50.10 seconds (44.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 10 8 

Time limit reached
Best objective 1.300000000000e+01, best bound 3.500000000000e+01, gap 169.2308%

Wrote result file './lp_solutions/grafo5590.44.sol'

