
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 10:41:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10097.95.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/grafo10097.95.lp
Reading time = 1.14 seconds
: 661473 rows, 10266 columns, 1993969 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 661473 rows, 10266 columns and 1993969 nonzeros
Model fingerprint: 0xff2908b9
Variable types: 102 continuous, 10164 integer (10164 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, 1e+02]
Presolve removed 24718 rows and 2 columns
Presolve time: 4.31s
Presolved: 636755 rows, 10264 columns, 1920707 nonzeros
Variable types: 0 continuous, 10264 integer (10162 binary)
Root relaxation presolved: 10177 rows, 646932 columns, 1930971 nonzeros

Deterministic concurrent LP optimizer: primal and dual simplex
Showing primal log only...


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.0050200e+03   0.000000e+00   4.272193e+05      9s
    7030    1.8449913e+02   0.000000e+00   2.110033e+07     10s
   16549    9.9941029e+01   0.000000e+00   1.404264e+07     16s
   21925    9.8485509e+01   0.000000e+00   1.749469e+07     20s
   27331    9.8173694e+01   0.000000e+00   4.257572e+06     26s
   31363    9.7769436e+01   0.000000e+00   7.065114e+06     31s
   35395    9.7728094e+01   0.000000e+00   8.043827e+06     37s
   38083    9.7710513e+01   0.000000e+00   2.273206e+06     41s
   42115    9.5696428e+01   0.000000e+00   1.649844e+06     47s


Root relaxation: time limit, 0 iterations, 44.28 seconds (23.28 work units)

Explored 1 nodes (0 simplex iterations) in 50.32 seconds (29.37 work units)
Thread count was 8 (of 8 available processors)

Solution count 0

Time limit reached
Best objective -, best bound 3.410000000000e+02, gap -

Unable to retrieve attribute 'X'

