
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 10:59:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10477.91.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/grafo10477.91.lp
Reading time = 1.03 seconds
: 531627 rows, 8598 columns, 1602151 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 531627 rows, 8598 columns and 1602151 nonzeros
Model fingerprint: 0x97b6aa22
Variable types: 89 continuous, 8509 integer (8509 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, 9e+01]
Presolve removed 35923 rows and 4 columns
Presolve time: 3.54s
Presolved: 495704 rows, 8594 columns, 1495170 nonzeros
Variable types: 0 continuous, 8594 integer (8505 binary)
Root relaxation presolved: 8531 rows, 504235 columns, 1503764 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    7.2614000e+02   0.000000e+00   4.074692e+05      7s
   10682    9.4488899e+01   0.000000e+00   3.859127e+07     11s
   17408    9.3988419e+01   0.000000e+00   6.146035e+06     16s
   24142    8.3952540e+01   0.000000e+00   1.300418e+06     21s
   29747    8.0929095e+01   0.000000e+00   6.048906e+05     26s
   34231    8.0914173e+01   0.000000e+00   3.997554e+05     30s
   39836    7.9902904e+01   0.000000e+00   1.270288e+06     36s
   45441    7.9889390e+01   0.000000e+00   2.118322e+05     41s
   49925    7.9879155e+01   0.000000e+00   7.311286e+05     46s

Root relaxation: time limit, 0 iterations, 45.08 seconds (28.23 work units)

Explored 1 nodes (0 simplex iterations) in 50.25 seconds (33.10 work units)
Thread count was 8 (of 8 available processors)

Solution count 0

Time limit reached
Best objective -, best bound 3.180000000000e+02, gap -

Unable to retrieve attribute 'X'

