
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:24:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2244.18.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/grafo2244.18.lp
Reading time = 0.01 seconds
: 2407 rows, 280 columns, 7294 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 2407 rows, 280 columns and 7294 nonzeros
Model fingerprint: 0xf3aa5319
Variable types: 13 continuous, 267 integer (267 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]
Found heuristic solution: objective 5.0000000
Presolve removed 81 rows and 3 columns
Presolve time: 0.02s
Presolved: 2326 rows, 277 columns, 7084 nonzeros
Variable types: 0 continuous, 277 integer (264 binary)

Root relaxation: objective 7.000000e+00, 57 iterations, 0.01 seconds (0.00 work units)

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

     0     0    7.00000    0    7    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   16    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    7    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    5    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    7    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   16    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   16    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    6    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    8    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    7    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    7    5.00000    7.00000  40.0%     -    0s
     0     2    7.00000    0    7    5.00000    7.00000  40.0%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 1
  MIR: 7
  Inf proof: 7
  Zero half: 3
  Mod-K: 2
  RLT: 2

Explored 138 nodes (4341 simplex iterations) in 0.54 seconds (0.25 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2244.18.sol'

