
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 09:53:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7123.45.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/grafo7123.45.lp
Reading time = 0.30 seconds
: 187988 rows, 3242 columns, 567163 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 187988 rows, 3242 columns and 567163 nonzeros
Model fingerprint: 0x335f7779
Variable types: 60 continuous, 3182 integer (3182 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 1.0000000
Presolve removed 50830 rows and 39 columns
Presolve time: 1.42s
Presolved: 137158 rows, 3203 columns, 415233 nonzeros
Variable types: 0 continuous, 3203 integer (3143 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 3197 rows, 140355 columns, 418436 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13937    6.7002918e+01   0.000000e+00   2.175594e+06      5s
   30159    5.8940198e+01   0.000000e+00   3.691338e+05     10s
   46382    5.8917075e+01   0.000000e+00   5.211330e+04     15s
   62135    5.8902798e+01   0.000000e+00   4.469679e+04     20s
   76132    5.8893979e+01   0.000000e+00   5.605251e+04     25s
   90708    5.8888091e+01   0.000000e+00   6.698663e+04     30s
  105873    5.8884157e+01   0.000000e+00   3.015149e+04     35s
  120483    5.8880429e+01   0.000000e+00   5.946420e+04     40s
  135030    5.8877874e+01   0.000000e+00   5.930278e+03     45s

Root relaxation: time limit, 149906 iterations, 48.39 seconds (41.86 work units)

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

     0     0          -    0         6.00000  289.00000  4717%     -   50s

Explored 1 nodes (149906 simplex iterations) in 50.02 seconds (43.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 6 1 

Time limit reached
Best objective 6.000000000000e+00, best bound 2.890000000000e+02, gap 4716.6667%

Wrote result file './lp_solutions/grafo7123.45.sol'

