
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 11:17:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6390.48.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/grafo6390.48.lp
Reading time = 0.27 seconds
: 160860 rows, 3277 columns, 485602 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 160860 rows, 3277 columns and 485602 nonzeros
Model fingerprint: 0x42685503
Variable types: 58 continuous, 3219 integer (3219 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, 6e+01]
Found heuristic solution: objective 2.0000000
Presolve removed 36558 rows and 0 columns
Presolve time: 1.12s
Presolved: 124302 rows, 3277 columns, 376528 nonzeros
Variable types: 0 continuous, 3277 integer (3219 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 3235 rows, 127537 columns, 379805 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   17126    6.8007021e+01   0.000000e+00   1.781908e+06      5s
   31864    5.9965105e+01   0.000000e+00   1.037631e+05     10s
   45103    5.8949975e+01   0.000000e+00   1.394682e+05     15s
   58715    5.8939523e+01   0.000000e+00   5.513408e+04     20s
   71958    5.8932655e+01   0.000000e+00   7.351038e+04     25s
   85072    5.8926581e+01   0.000000e+00   6.829964e+04     30s
   97875    5.8922379e+01   0.000000e+00   2.782702e+04     35s
  111681    5.8918393e+01   0.000000e+00   1.755268e+04     40s
  123994    5.8915514e+01   0.000000e+00   3.215136e+04     45s

Root relaxation: time limit, 136984 iterations, 48.70 seconds (36.68 work units)

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

     0     0          -    0         5.00000  304.00000  5980%     -   50s

Explored 1 nodes (136984 simplex iterations) in 50.02 seconds (38.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 2 

Time limit reached
Best objective 5.000000000000e+00, best bound 3.040000000000e+02, gap 5980.0000%

Wrote result file './lp_solutions/grafo6390.48.sol'

