
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:56:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6523.47.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/grafo6523.47.lp
Reading time = 0.34 seconds
: 192897 rows, 3496 columns, 582202 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 192897 rows, 3496 columns and 582202 nonzeros
Model fingerprint: 0x2d583e67
Variable types: 62 continuous, 3434 integer (3434 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, 6e+01]
Presolve removed 47600 rows and 11 columns
Presolve time: 1.51s
Presolved: 145297 rows, 3485 columns, 439843 nonzeros
Variable types: 0 continuous, 3485 integer (3423 binary)
Root relaxation presolved: 3458 rows, 148755 columns, 443328 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   12184    7.9319148e+01   0.000000e+00   5.915501e+05      5s
   26356    6.5936503e+01   0.000000e+00   2.733951e+05     10s
   38678    6.5916810e+01   0.000000e+00   8.777942e+04     15s
   49319    6.5906324e+01   0.000000e+00   3.357801e+04     20s
   61639    6.5898684e+01   0.000000e+00   2.114887e+04     25s
   72839    6.5894361e+01   0.000000e+00   1.365968e+04     30s
   82359    6.5891433e+01   0.000000e+00   1.251358e+04     35s
   93559    6.5889070e+01   0.000000e+00   6.636687e+03     40s
  104759    6.5887463e+01   0.000000e+00   6.676923e+02     45s

Root relaxation: time limit, 0 iterations, 47.99 seconds (32.66 work units)

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

H    0     0                       7.0000000  306.00000  4271%     -   50s

Explored 1 nodes (0 simplex iterations) in 50.05 seconds (34.31 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 7 

Time limit reached
Best objective 7.000000000000e+00, best bound 3.060000000000e+02, gap 4271.4286%

Wrote result file './lp_solutions/grafo6523.47.sol'

