
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 01:27:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5823.41.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/grafo5823.41.lp
Reading time = 0.66 seconds
: 315804 rows, 3003 columns, 950388 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 315804 rows, 3003 columns and 950388 nonzeros
Model fingerprint: 0x542cf204
Variable types: 55 continuous, 2948 integer (2948 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 151487 rows and 69 columns
Presolve time: 3.07s
Presolved: 164317 rows, 2934 columns, 496262 nonzeros
Variable types: 0 continuous, 2934 integer (2879 binary)
Root relaxation presolved: 2929 rows, 167246 columns, 499196 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    5333    1.7542052e+02   0.000000e+00   1.697923e+06      5s
   26366    1.0749728e+02   0.000000e+00   1.730956e+05     11s
   40257    8.4253393e+01   0.000000e+00   4.468862e+05     15s
   53585    7.2845699e+01   0.000000e+00   2.440380e+05     20s
   68383    7.2797341e+01   0.000000e+00   7.177158e+04     25s
   82446    7.2772546e+01   0.000000e+00   8.781107e+04     30s
   96506    7.2760944e+01   0.000000e+00   1.617993e+04     35s
  109160    7.2754306e+01   0.000000e+00   2.665589e+03     40s
  123220    7.2750853e+01   0.000000e+00   9.293202e+03     45s

Root relaxation: time limit, 0 iterations, 46.33 seconds (27.13 work units)

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

H    0     0                       8.0000000  410.00000  5025%     -   50s

Explored 1 nodes (0 simplex iterations) in 50.07 seconds (30.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 8 

Time limit reached
Best objective 8.000000000000e+00, best bound 4.100000000000e+02, gap 5025.0000%

Wrote result file './lp_solutions/grafo5823.41.sol'

