
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 05:16:03 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6384.47.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/grafo6384.47.lp
Reading time = 0.72 seconds
: 367869 rows, 4179 columns, 1108102 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 367869 rows, 4179 columns and 1108102 nonzeros
Model fingerprint: 0xd90f37c0
Variable types: 69 continuous, 4110 integer (4110 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, 7e+01]
Presolve removed 126678 rows and 15 columns
Presolve time: 3.30s
Presolved: 241191 rows, 4164 columns, 728686 nonzeros
Variable types: 0 continuous, 4164 integer (4095 binary)
Root relaxation presolved: 4148 rows, 245339 columns, 732850 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.2106800e+03   0.000000e+00   8.455569e+05      5s
   18274    1.5584583e+02   0.000000e+00   5.400419e+07     11s
   28706    1.3355210e+02   0.000000e+00   5.323911e+06     15s
   39755    1.1041095e+02   0.000000e+00   7.542898e+06     20s
   48786    9.2150955e+01   0.000000e+00   1.655972e+06     25s
   57079    8.8605755e+01   0.000000e+00   8.066667e+05     30s
   65005    8.6569698e+01   0.000000e+00   3.722044e+05     35s
   73052    8.6535217e+01   0.000000e+00   2.721861e+05     40s
   80763    8.6511691e+01   0.000000e+00   2.686497e+05     45s

Root relaxation: time limit, 0 iterations, 45.95 seconds (23.82 work units)

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

H    0     0                       1.0000000  499.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.08 seconds (27.00 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 1 

Time limit reached
Best objective 1.000000000000e+00, best bound 4.990000000000e+02, gap 49800.0000%

Wrote result file './lp_solutions/grafo6384.47.sol'

