
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:58:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5340.34.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/grafo5340.34.lp
Reading time = 0.24 seconds
: 145290 rows, 1976 columns, 437736 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 145290 rows, 1976 columns and 437736 nonzeros
Model fingerprint: 0x75649261
Variable types: 46 continuous, 1930 integer (1930 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 55649 rows and 16 columns
Presolve time: 1.06s
Presolved: 89641 rows, 1960 columns, 271057 nonzeros
Variable types: 0 continuous, 1960 integer (1914 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1960 rows, 91601 columns, 273017 nonzeros


Root relaxation: objective 4.600000e+01, 2400 iterations, 0.87 seconds (1.07 work units)
Total elapsed time = 7.87s (DegenMoves)
Total elapsed time = 11.06s (DegenMoves)

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

     0     0   46.00000    0  534   10.00000   46.00000   360%     -   11s
H    0     0                      11.0000000   46.00000   318%     -   12s
     0     0   46.00000    0  760   11.00000   46.00000   318%     -   24s
     0     0   46.00000    0  708   11.00000   46.00000   318%     -   25s
     0     0   46.00000    0  317   11.00000   46.00000   318%     -   45s
H    0     0                      13.0000000   46.00000   254%     -   45s
H    0     0                      15.0000000   46.00000   207%     -   45s
     0     0   46.00000    0  292   15.00000   46.00000   207%     -   46s
     0     0          -    0        15.00000   46.00000   207%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 30
  Clique: 17
  MIR: 160
  GUB cover: 5
  Zero half: 78
  RLT: 79
  BQP: 2

Explored 1 nodes (36039 simplex iterations) in 50.02 seconds (58.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 15 13 11 ... 2

Time limit reached
Best objective 1.500000000000e+01, best bound 4.600000000000e+01, gap 206.6667%

Wrote result file './lp_solutions/grafo5340.34.sol'

