
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:09:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10740.92.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/grafo10740.92.lp
Reading time = 1.11 seconds
: 661402 rows, 10033 columns, 1993911 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 661402 rows, 10033 columns and 1993911 nonzeros
Model fingerprint: 0xe758b1f8
Variable types: 102 continuous, 9931 integer (9931 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 39563 rows and 4 columns
Presolve time: 4.41s
Presolved: 621839 rows, 10029 columns, 1875981 nonzeros
Variable types: 0 continuous, 10029 integer (9927 binary)
Root relaxation presolved: 9990 rows, 631829 columns, 1886010 nonzeros

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


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.2531400e+03   0.000000e+00   8.565963e+05      9s
    2915    4.6052995e+02   0.000000e+00   2.625361e+06     10s
   14224    1.0799076e+02   0.000000e+00   4.043578e+07     16s
   18256    1.0693076e+02   0.000000e+00   1.076551e+06     20s
   23758    1.0688857e+02   0.000000e+00   1.314255e+06     25s
   29134    1.0286418e+02   0.000000e+00   8.649448e+05     31s
   33170    1.0284592e+02   0.000000e+00   5.225104e+05     36s
   37202    1.0283238e+02   0.000000e+00   1.063413e+06     41s
   41236    1.0281949e+02   0.000000e+00   3.182677e+05     46s


Root relaxation: time limit, 0 iterations, 44.11 seconds (25.00 work units)

Explored 1 nodes (0 simplex iterations) in 50.42 seconds (31.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 0

Time limit reached
Best objective -, best bound 3.770000000000e+02, gap -

Unable to retrieve attribute 'X'

