
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:22:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5175.36.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/grafo5175.36.lp
Reading time = 0.11 seconds
: 64677 rows, 1617 columns, 195246 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 64677 rows, 1617 columns and 195246 nonzeros
Model fingerprint: 0x9abc45d5
Variable types: 39 continuous, 1578 integer (1578 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 1.0000000
Presolve removed 18071 rows and 31 columns
Presolve time: 0.46s
Presolved: 46606 rows, 1586 columns, 141294 nonzeros
Variable types: 0 continuous, 1586 integer (1547 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1586 rows, 48192 columns, 142880 nonzeros


Root relaxation: objective 3.100000e+01, 2067 iterations, 0.41 seconds (0.46 work units)
Total elapsed time = 5.91s (DegenMoves)

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

     0     0   31.00000    0  496    5.00000   31.00000   520%     -    7s
H    0     0                       7.0000000   31.00000   343%     -    7s
     0     0   31.00000    0  907    7.00000   31.00000   343%     -   21s
     0     0   31.00000    0  897    7.00000   31.00000   343%     -   22s
     0     0   31.00000    0  445    7.00000   31.00000   343%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 4
  Clique: 34
  MIR: 96
  Zero half: 17
  RLT: 44
  BQP: 6

Explored 1 nodes (44649 simplex iterations) in 50.04 seconds (47.62 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 7 5 1 

Time limit reached
Best objective 7.000000000000e+00, best bound 3.100000000000e+01, gap 342.8571%

Wrote result file './lp_solutions/grafo5175.36.sol'

