
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:17:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo729.15.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/grafo729.15.lp
Reading time = 0.01 seconds
: 1357 rows, 184 columns, 4081 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 1357 rows, 184 columns and 4081 nonzeros
Model fingerprint: 0xd4647570
Variable types: 10 continuous, 174 integer (174 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 1.0000000
Presolve removed 145 rows and 12 columns
Presolve time: 0.02s
Presolved: 1212 rows, 172 columns, 3724 nonzeros
Variable types: 0 continuous, 172 integer (162 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 4.000000e+00, 9 iterations, 0.00 seconds (0.00 work units)

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

     0     0    4.00000    0    8    2.00000    4.00000   100%     -    0s
H    0     0                       3.0000000    4.00000  33.3%     -    0s
H    0     0                       4.0000000    4.00000  0.00%     -    0s
     0     0    4.00000    0    8    4.00000    4.00000  0.00%     -    0s

Explored 1 nodes (9 simplex iterations) in 0.03 seconds (0.02 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 4 3 2 1 

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo729.15.sol'

