
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:44:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5348.46.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/grafo5348.46.lp
Reading time = 0.86 seconds
: 431331 rows, 3649 columns, 1297829 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 431331 rows, 3649 columns and 1297829 nonzeros
Model fingerprint: 0xc5f40638
Variable types: 63 continuous, 3586 integer (3586 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 172867 rows and 7 columns
Presolve time: 3.64s
Presolved: 258464 rows, 3642 columns, 779667 nonzeros
Variable types: 0 continuous, 3642 integer (3579 binary)
Root relaxation presolved: 3627 rows, 262091 columns, 783309 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.1393800e+03   0.000000e+00   8.292412e+05      6s
   21008    1.4493086e+02   0.000000e+00   1.473535e+05     12s
   30911    1.0304157e+02   0.000000e+00   2.537793e+05     16s
   39522    8.7926845e+01   0.000000e+00   2.444269e+06     21s
   49438    7.5574060e+01   0.000000e+00   4.259969e+05     25s
   60354    6.4800183e+01   0.000000e+00   6.032537e+05     30s
   71026    6.1747316e+01   0.000000e+00   1.438669e+05     35s
   80731    6.0701727e+01   0.000000e+00   1.766024e+05     40s
   90346    6.0671944e+01   0.000000e+00   2.069923e+05     45s

Root relaxation: time limit, 0 iterations, 45.61 seconds (27.10 work units)

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

H    0     0                       5.0000000  442.00000  8740%     -   50s

Explored 1 nodes (0 simplex iterations) in 50.06 seconds (30.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 4.420000000000e+02, gap 8740.0000%

Wrote result file './lp_solutions/grafo5348.46.sol'

