
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:43:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5174.44.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/grafo5174.44.lp
Reading time = 0.73 seconds
: 390798 rows, 2910 columns, 1175085 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 390798 rows, 2910 columns and 1175085 nonzeros
Model fingerprint: 0x2bcd2044
Variable types: 52 continuous, 2858 integer (2858 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, 5e+01]
Presolve removed 219848 rows and 48 columns
Presolve time: 3.28s
Presolved: 170950 rows, 2862 columns, 515963 nonzeros
Variable types: 0 continuous, 2862 integer (2810 binary)
Root relaxation presolved: 2858 rows, 173808 columns, 518825 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    2339    1.9893893e+02   0.000000e+00   1.884230e+06      5s
   17277    1.0357502e+02   0.000000e+00   1.094622e+06     10s
   31182    7.1972986e+01   0.000000e+00   2.510677e+05     15s
   44366    6.3882591e+01   0.000000e+00   2.289373e+05     20s
   58322    6.0832950e+01   0.000000e+00   8.037441e+04     25s
   72791    6.0802725e+01   0.000000e+00   1.034378e+05     30s
   88631    6.0784292e+01   0.000000e+00   2.857535e+04     35s
  103751    6.0775446e+01   0.000000e+00   1.073331e+04     40s
  120311    6.0770984e+01   0.000000e+00   6.136817e+02     45s

Root relaxation: time limit, 0 iterations, 46.14 seconds (25.54 work units)

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

H    0     0                       5.0000000  406.00000  8020%     -   50s

Explored 1 nodes (0 simplex iterations) in 50.05 seconds (28.63 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 4.060000000000e+02, gap 8020.0000%

Wrote result file './lp_solutions/grafo5174.44.sol'

