
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:21:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6324.37.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/grafo6324.37.lp
Reading time = 0.17 seconds
: 104968 rows, 1878 columns, 316449 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 104968 rows, 1878 columns and 316449 nonzeros
Model fingerprint: 0x0352822d
Variable types: 42 continuous, 1836 integer (1836 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 36743 rows and 19 columns
Presolve time: 0.75s
Presolved: 68225 rows, 1859 columns, 206529 nonzeros
Variable types: 0 continuous, 1859 integer (1817 binary)
Root relaxation presolved: 1859 rows, 70084 columns, 208388 nonzeros


Root relaxation: objective 4.400000e+01, 2515 iterations, 0.63 seconds (0.69 work units)
Total elapsed time = 10.23s (DegenMoves)

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

     0     0   44.00000    0  444          -   44.00000      -     -   12s
H    0     0                       4.0000000   44.00000  1000%     -   14s
     0     0   44.00000    0  833    4.00000   44.00000  1000%     -   25s
H    0     0                       6.0000000   44.00000   633%     -   25s
     0     0   44.00000    0  780    6.00000   44.00000   633%     -   26s
     0     0   44.00000    0  769    6.00000   44.00000   633%     -   50s

Cutting planes:
  Gomory: 6
  Lift-and-project: 33
  Cover: 15
  Clique: 22
  MIR: 106
  Zero half: 49
  RLT: 59
  BQP: 5

Explored 1 nodes (33462 simplex iterations) in 50.08 seconds (43.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 6 4 

Time limit reached
Best objective 6.000000000000e+00, best bound 4.400000000000e+01, gap 633.3333%

Wrote result file './lp_solutions/grafo6324.37.sol'

