
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:06:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10639.91.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/grafo10639.91.lp
Reading time = 1.18 seconds
: 704625 rows, 10281 columns, 2124004 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 704625 rows, 10281 columns and 2124004 nonzeros
Model fingerprint: 0x5cda64ba
Variable types: 104 continuous, 10177 integer (10177 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 56696 rows and 2 columns
Presolve time: 4.67s
Presolved: 647929 rows, 10279 columns, 1954935 nonzeros
Variable types: 0 continuous, 10279 integer (10175 binary)
Root relaxation presolved: 10234 rows, 658163 columns, 1965214 nonzeros

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


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.1793800e+03   0.000000e+00   8.822403e+05      9s
    3404    4.5513394e+02   0.000000e+00   1.145630e+07     10s
   15550    1.4922023e+02   0.000000e+00   2.505787e+07     16s
   20926    1.4247649e+02   0.000000e+00   1.978744e+07     20s
   26302    1.4043072e+02   0.000000e+00   4.613183e+06     26s
   30334    1.4031440e+02   0.000000e+00   2.132114e+07     31s
   34389    1.3675656e+02   0.000000e+00   1.932731e+07     36s
   38520    1.3272618e+02   0.000000e+00   6.060155e+06     42s
   41428    1.3071433e+02   0.000000e+00   5.786794e+06     47s


Root relaxation: time limit, 0 iterations, 43.94 seconds (23.51 work units)

Explored 1 nodes (0 simplex iterations) in 50.26 seconds (29.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 0

Time limit reached
Best objective -, best bound 4.900000000000e+02, gap -

Unable to retrieve attribute 'X'

