
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:19:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7295.43.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/grafo7295.43.lp
Reading time = 1.52 seconds
: 660035 rows, 3885 columns, 1984367 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 660035 rows, 3885 columns and 1984367 nonzeros
Model fingerprint: 0xdb90cbe0
Variable types: 67 continuous, 3818 integer (3818 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, 7e+01]
Found heuristic solution: objective -0.0000000
Presolve removed 290315 rows and 12 columns (presolve time = 5s) ...
Presolve removed 290315 rows and 12 columns
Presolve time: 5.89s
Presolved: 369720 rows, 3873 columns, 1113859 nonzeros
Variable types: 0 continuous, 3873 integer (3806 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 3861 rows, 373581 columns, 1117732 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.1746400e+03   0.000000e+00   2.448698e+06      8s
    8733    2.5445247e+02   0.000000e+00   4.748687e+07     10s
   28795    1.8506121e+02   0.000000e+00   2.617237e+06     17s
   35735    1.7774196e+02   0.000000e+00   1.467065e+06     21s
   49655    1.6108806e+02   0.000000e+00   7.671600e+05     28s
   55929    1.5345334e+02   0.000000e+00   1.469150e+07     32s
   61753    1.4949079e+02   0.000000e+00   4.086455e+05     35s
   71613    1.2965718e+02   0.000000e+00   2.976935e+05     41s
   78585    1.2164446e+02   0.000000e+00   3.935605e+05     45s

Root relaxation: time limit, 86938 iterations, 43.34 seconds (28.94 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0          -    0         5.00000  519.00000      -     -   50s

Explored 1 nodes (86938 simplex iterations) in 50.06 seconds (34.37 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 -0 

Time limit reached
Best objective 5.000000000000e+00, best bound 5.190000000000e+02, gap 10280.0000%

Wrote result file './lp_solutions/grafo7295.43.sol'

