
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:56:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6260.44.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/grafo6260.44.lp
Reading time = 0.39 seconds
: 223724 rows, 2642 columns, 673447 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 223724 rows, 2642 columns and 673447 nonzeros
Model fingerprint: 0x88dca68f
Variable types: 49 continuous, 2593 integer (2593 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 87572 rows and 8 columns
Presolve time: 1.86s
Presolved: 136152 rows, 2634 columns, 411089 nonzeros
Variable types: 0 continuous, 2634 integer (2585 binary)
Root relaxation presolved: 2628 rows, 138780 columns, 413723 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   14979    6.9340450e+01   0.000000e+00   5.313905e+05      5s
   30666    5.9942215e+01   0.000000e+00   2.383248e+04     10s
   46811    5.9927829e+01   0.000000e+00   1.361669e+04     15s
   62818    5.9921757e+01   0.000000e+00   1.238707e+04     20s
   77307    5.9919040e+01   0.000000e+00   7.470307e+03     25s
   91446    5.9918326e+01   0.000000e+00   3.386379e-01     30s
   92152    6.0000000e+01   0.000000e+00   0.000000e+00     30s
   92152    6.0000000e+01   0.000000e+00   0.000000e+00     30s
   92152    6.0000000e+01   0.000000e+00   0.000000e+00     30s

Root relaxation: objective 6.000000e+01, 92152 iterations, 28.04 seconds (20.82 work units)

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

     0     0   60.00000    0 1610          -   60.00000      -     -   50s
H    0     0                       5.0000000   60.00000  1100%     -   50s

Explored 1 nodes (100044 simplex iterations) in 50.07 seconds (39.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 6.000000000000e+01, gap 1100.0000%

Wrote result file './lp_solutions/grafo6260.44.sol'

