
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:00:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10566.36.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/grafo10566.36.lp
Reading time = 0.23 seconds
: 109567 rows, 1858 columns, 330242 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 109567 rows, 1858 columns and 330242 nonzeros
Model fingerprint: 0x29125d47
Variable types: 42 continuous, 1816 integer (1816 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 40357 rows and 16 columns
Presolve time: 0.87s
Presolved: 69210 rows, 1842 columns, 209553 nonzeros
Variable types: 0 continuous, 1842 integer (1800 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1839 rows, 71049 columns, 211395 nonzeros


Root relaxation: objective 4.300000e+01, 1717 iterations, 0.53 seconds (0.50 work units)
Total elapsed time = 5.34s (DegenMoves)

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

     0     0   43.00000    0  305    9.00000   43.00000   378%     -    7s
H    0     0                      12.0000000   43.00000   258%     -    7s
     0     0   43.00000    0  589   12.00000   43.00000   258%     -   15s
     0     0   43.00000    0  572   12.00000   43.00000   258%     -   15s
H    0     0                      14.0000000   43.00000   207%     -   44s
     0     0   43.00000    0  507   14.00000   43.00000   207%     -   44s
     0     0   43.00000    0  458   14.00000   43.00000   207%     -   45s
     0     0          -    0        14.00000   43.00000   207%     -   50s

Cutting planes:
  Cover: 16
  Clique: 23
  MIR: 144
  StrongCG: 1
  Zero half: 61
  RLT: 66
  BQP: 2

Explored 1 nodes (30220 simplex iterations) in 50.11 seconds (40.47 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 12 9 2 

Time limit reached
Best objective 1.400000000000e+01, best bound 4.300000000000e+01, gap 207.1429%

Wrote result file './lp_solutions/grafo10566.36.sol'

