
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:37:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo314.18.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/grafo314.18.lp
Reading time = 0.01 seconds
: 3763 rows, 292 columns, 11365 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 3763 rows, 292 columns and 11365 nonzeros
Model fingerprint: 0xf8b69af5
Variable types: 13 continuous, 279 integer (279 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 4.0000000
Presolve removed 924 rows and 6 columns
Presolve time: 0.03s
Presolved: 2839 rows, 286 columns, 8635 nonzeros
Variable types: 0 continuous, 286 integer (273 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.000000e+01, 106 iterations, 0.01 seconds (0.01 work units)

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

     0     0   10.00000    0   36    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   46    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   39    5.00000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   45    6.00000   10.00000  66.7%     -    0s
     0     0    9.00000    0   30    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   43    6.00000    9.00000  50.0%     -    0s
     0     0    8.50000    0   45    6.00000    8.50000  41.7%     -    0s
     0     0    8.00000    0   40    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   43    6.00000    8.00000  33.3%     -    0s
     0     0    7.00000    0   33    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   39    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   26    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   26    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   44    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   43    6.00000    7.00000  16.7%     -    0s
     0     2    7.00000    0   28    6.00000    7.00000  16.7%     -    1s

Cutting planes:
  Cover: 9
  Clique: 5
  MIR: 54
  Inf proof: 34
  Zero half: 1
  RLT: 24
  BQP: 1

Explored 736 nodes (18285 simplex iterations) in 1.88 seconds (0.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 6 5 4 

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo314.18.sol'

