
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:41:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7417.39.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/grafo7417.39.lp
Reading time = 1.66 seconds
: 1063823 rows, 13732 columns, 3205585 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 1063823 rows, 13732 columns and 3205585 nonzeros
Model fingerprint: 0xca7b7711
Variable types: 122 continuous, 13610 integer (13610 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 62579 rows and 2 columns (presolve time = 5s) ...
Presolve removed 62579 rows and 2 columns
Presolve time: 6.48s
Presolved: 1001244 rows, 13730 columns, 3019137 nonzeros
Variable types: 0 continuous, 13730 integer (13608 binary)
Root relaxation presolved: 13652 rows, 1014896 columns, 3032867 nonzeros

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


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    2.2056800e+03   0.000000e+00   1.088854e+06     16s
   11944    1.6705632e+02   0.000000e+00   3.787139e+07     20s
   19022    1.5481461e+02   0.000000e+00   2.425821e+07     26s
   22526    1.5460165e+02   0.000000e+00   1.435326e+07     30s
   27822    1.5444441e+02   0.000000e+00   2.187972e+07     37s
   31326    1.5439349e+02   0.000000e+00   2.173578e+07     42s
   34830    1.5435494e+02   0.000000e+00   1.585034e+07     47s


Root relaxation: time limit, 0 iterations, 38.86 seconds (25.77 work units)

Explored 1 nodes (0 simplex iterations) in 50.35 seconds (36.21 work units)
Thread count was 8 (of 8 available processors)

Solution count 0

Time limit reached
Best objective -, best bound 5.960000000000e+02, gap -

Unable to retrieve attribute 'X'

