
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:19:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6166.46.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/grafo6166.46.lp
Reading time = 0.40 seconds
: 248635 rows, 3547 columns, 749475 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 248635 rows, 3547 columns and 749475 nonzeros
Model fingerprint: 0xd729e276
Variable types: 62 continuous, 3485 integer (3485 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]
Presolve removed 80348 rows and 37 columns
Presolve time: 2.11s
Presolved: 168287 rows, 3510 columns, 509011 nonzeros
Variable types: 0 continuous, 3510 integer (3448 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 3492 rows, 171779 columns, 512521 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   10765    1.2398949e+02   0.000000e+00   9.019693e+05      5s
   28016    7.9891857e+01   0.000000e+00   1.749059e+06     10s
   42152    7.3768619e+01   0.000000e+00   3.893031e+05     15s
   56881    7.2702574e+01   0.000000e+00   8.759901e+04     20s
   70961    7.2675939e+01   0.000000e+00   3.513860e+04     25s
   85681    7.2661345e+01   0.000000e+00   2.931700e+04     30s
  100401    7.2653071e+01   0.000000e+00   5.258181e+03     35s
  115121    7.2648913e+01   0.000000e+00   1.316494e+03     40s
  129841    7.2646820e+01   0.000000e+00   4.579873e+02     45s
  139181    7.3000000e+01   0.000000e+00   0.000000e+00     48s
  139181    7.3000000e+01   0.000000e+00   0.000000e+00     48s
  139181    7.3000000e+01   0.000000e+00   0.000000e+00     49s

Root relaxation: objective 7.300000e+01, 139181 iterations, 46.04 seconds (36.37 work units)

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

     0     0   73.00000    0 1891    8.00000   73.00000   813%     -   50s

Explored 1 nodes (139409 simplex iterations) in 50.06 seconds (40.58 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 8 

Time limit reached
Best objective 8.000000000000e+00, best bound 7.300000000000e+01, gap 812.5000%

Wrote result file './lp_solutions/grafo6166.46.sol'

