
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 09:17:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7429.44.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/grafo7429.44.lp
Reading time = 0.34 seconds
: 210603 rows, 3267 columns, 635020 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 210603 rows, 3267 columns and 635020 nonzeros
Model fingerprint: 0x3a86073b
Variable types: 60 continuous, 3207 integer (3207 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]
Found heuristic solution: objective 2.0000000
Presolve removed 65394 rows and 30 columns
Presolve time: 1.63s
Presolved: 145209 rows, 3237 columns, 439393 nonzeros
Variable types: 0 continuous, 3237 integer (3177 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 3234 rows, 148443 columns, 442630 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   15029    9.3563516e+01   0.000000e+00   3.898876e+05      5s
   31213    7.6933508e+01   0.000000e+00   1.242626e+05     10s
   46308    7.4911329e+01   0.000000e+00   1.161483e+05     15s
   61332    7.4898074e+01   0.000000e+00   1.014817e+05     20s
   77070    7.4887520e+01   0.000000e+00   1.374348e+04     25s
   93160    7.4880393e+01   0.000000e+00   4.472219e+04     30s
  109526    7.4875003e+01   0.000000e+00   2.372504e+04     35s
  125564    7.4870910e+01   0.000000e+00   3.405527e+04     40s
  141046    7.4867806e+01   0.000000e+00   2.110577e+04     45s

Root relaxation: time limit, 157157 iterations, 48.15 seconds (38.71 work units)

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

     0     0          -    0         7.00000  338.00000  4729%     -   50s

Explored 1 nodes (157157 simplex iterations) in 50.02 seconds (40.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 7 2 

Time limit reached
Best objective 7.000000000000e+00, best bound 3.380000000000e+02, gap 4728.5714%

Wrote result file './lp_solutions/grafo7429.44.sol'

