
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:12:22 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5292.37.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/grafo5292.37.lp
Reading time = 0.16 seconds
: 97607 rows, 1859 columns, 294357 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 97607 rows, 1859 columns and 294357 nonzeros
Model fingerprint: 0x0db2c304
Variable types: 43 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]
Presolve removed 31849 rows and 30 columns
Presolve time: 0.77s
Presolved: 65758 rows, 1829 columns, 199105 nonzeros
Variable types: 0 continuous, 1829 integer (1786 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1829 rows, 67587 columns, 200934 nonzeros


Root relaxation: objective 3.600000e+01, 1875 iterations, 0.55 seconds (0.61 work units)
Total elapsed time = 5.17s (DegenMoves)

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

     0     0   36.00000    0  350    3.00000   36.00000  1100%     -    5s
H    0     0                       5.0000000   36.00000   620%     -    5s
     0     0   36.00000    0  621    5.00000   36.00000   620%     -   14s
H    0     0                       6.0000000   36.00000   500%     -   14s
     0     0   36.00000    0  598    6.00000   36.00000   500%     -   16s
H    0     0                       7.0000000   36.00000   414%     -   35s
H    0     0                       8.0000000   36.00000   350%     -   35s
     0     0   35.66667    0  471    8.00000   35.66667   346%     -   35s
     0     0   35.50000    0  434    8.00000   35.50000   344%     -   36s
     0     0   35.46667    0  691    8.00000   35.46667   343%     -   50s

Cutting planes:
  Cover: 44
  Clique: 30
  MIR: 164
  StrongCG: 3
  GUB cover: 9
  Zero half: 45
  RLT: 67
  BQP: 3

Explored 1 nodes (38553 simplex iterations) in 50.09 seconds (45.27 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 8 7 6 ... 3

Time limit reached
Best objective 8.000000000000e+00, best bound 3.500000000000e+01, gap 337.5000%

Wrote result file './lp_solutions/grafo5292.37.sol'

