
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 06:09:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7102.49.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/grafo7102.49.lp
Reading time = 0.44 seconds
: 233425 rows, 3413 columns, 703469 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 233425 rows, 3413 columns and 703469 nonzeros
Model fingerprint: 0xc61e193c
Variable types: 59 continuous, 3354 integer (3354 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 71979 rows and 30 columns
Presolve time: 2.33s
Presolved: 161446 rows, 3383 columns, 487990 nonzeros
Variable types: 0 continuous, 3383 integer (3324 binary)
Root relaxation presolved: 3383 rows, 164829 columns, 491373 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7421    1.2797721e+02   0.000000e+00   4.292478e+05      5s
   21868    6.2974217e+01   0.000000e+00   4.757416e+05     10s
   35303    5.9868152e+01   0.000000e+00   2.512915e+05     15s
   46602    5.9788953e+01   0.000000e+00   2.692299e+05     20s
   58461    5.9737422e+01   0.000000e+00   4.307930e+04     25s
   70317    5.9717605e+01   0.000000e+00   1.697494e+04     30s
   81549    5.9706877e+01   0.000000e+00   7.590799e+03     35s
   92781    5.9699941e+01   0.000000e+00   1.313943e+04     40s
  103389    5.9696633e+01   0.000000e+00   2.818775e+03     45s

Root relaxation: time limit, 0 iterations, 47.19 seconds (27.35 work units)

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

H    0     0                       2.0000000  332.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.05 seconds (29.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 2 

Time limit reached
Best objective 2.000000000000e+00, best bound 3.320000000000e+02, gap 16500.0000%

Wrote result file './lp_solutions/grafo7102.49.sol'

