
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:27:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5822.36.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/grafo5822.36.lp
Reading time = 0.15 seconds
: 81528 rows, 1811 columns, 246117 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 81528 rows, 1811 columns and 246117 nonzeros
Model fingerprint: 0xae76f8f1
Variable types: 43 continuous, 1768 integer (1768 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]
Presolve removed 23573 rows and 33 columns
Presolve time: 1.09s
Presolved: 57955 rows, 1778 columns, 175735 nonzeros
Variable types: 0 continuous, 1778 integer (1735 binary)
Root relaxation presolved: 1778 rows, 59733 columns, 177513 nonzeros


Root relaxation: objective 3.300000e+01, 1729 iterations, 0.55 seconds (0.34 work units)
Total elapsed time = 6.33s (DegenMoves)

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

     0     0   33.00000    0  285          -   33.00000      -     -    6s
H    0     0                       7.0000000   33.00000   371%     -    7s
H    0     0                      11.0000000   33.00000   200%     -    7s
H    0     0                      12.0000000   33.00000   175%     -   18s
     0     0   33.00000    0  716   12.00000   33.00000   175%     -   18s
     0     0   33.00000    0  640   12.00000   33.00000   175%     -   22s
     0     0   33.00000    0  330   12.00000   33.00000   175%     -   38s
     0     0   33.00000    0  313   12.00000   33.00000   175%     -   38s
     0     0   33.00000    0  641   12.00000   33.00000   175%     -   50s

Cutting planes:
  Cover: 39
  Clique: 25
  MIR: 84
  StrongCG: 1
  GUB cover: 3
  Zero half: 18
  RLT: 43
  BQP: 4

Explored 1 nodes (34392 simplex iterations) in 50.05 seconds (35.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 7 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.300000000000e+01, gap 175.0000%

Wrote result file './lp_solutions/grafo5822.36.sol'

