
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:01:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2665.12.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/grafo2665.12.lp
Reading time = 0.00 seconds
: 1043 rows, 141 columns, 3141 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 1043 rows, 141 columns and 3141 nonzeros
Model fingerprint: 0xb1a4aacc
Variable types: 9 continuous, 132 integer (132 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 2.0000000
Presolve removed 264 rows and 6 columns
Presolve time: 0.01s
Presolved: 779 rows, 135 columns, 2391 nonzeros
Variable types: 0 continuous, 135 integer (126 binary)

Root relaxation: objective 6.000000e+00, 86 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    6.00000    0   17    2.00000    6.00000   200%     -    0s
H    0     0                       3.0000000    6.00000   100%     -    0s
     0     0    6.00000    0   31    3.00000    6.00000   100%     -    0s
H    0     0                       4.0000000    6.00000  50.0%     -    0s
     0     0    6.00000    0   33    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   30    4.00000    6.00000  50.0%     -    0s
     0     0    5.50000    0   12    4.00000    5.50000  37.5%     -    0s
     0     0    5.50000    0   28    4.00000    5.50000  37.5%     -    0s
     0     0    5.00000    0   25    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   23    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   33    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   34    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   37    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   35    4.00000    5.00000  25.0%     -    0s
     0     2    5.00000    0   26    4.00000    5.00000  25.0%     -    0s

Cutting planes:
  Cover: 1
  Clique: 1
  MIR: 1
  Inf proof: 8
  Zero half: 1
  RLT: 11
  PSD: 1

Explored 252 nodes (6110 simplex iterations) in 0.37 seconds (0.18 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 4 3 2 

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/grafo2665.12.sol'

