
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:04:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11584.34.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/grafo11584.34.lp
Reading time = 0.21 seconds
: 129901 rows, 1667 columns, 391065 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 129901 rows, 1667 columns and 391065 nonzeros
Model fingerprint: 0xd6b9c394
Variable types: 40 continuous, 1627 integer (1627 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 53293 rows and 18 columns
Presolve time: 1.06s
Presolved: 76608 rows, 1649 columns, 231541 nonzeros
Variable types: 0 continuous, 1649 integer (1609 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1631 rows, 78239 columns, 233190 nonzeros


Root relaxation: objective 3.400000e+01, 2430 iterations, 0.85 seconds (1.03 work units)
Total elapsed time = 7.50s (DegenMoves)

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

     0     0   34.00000    0  428    9.00000   34.00000   278%     -    8s
H    0     0                      12.0000000   34.00000   183%     -    8s
     0     0   34.00000    0  681   12.00000   34.00000   183%     -   21s
     0     0   34.00000    0  690   12.00000   34.00000   183%     -   22s
     0     0  postponed    0        12.00000   34.00000   183%     -   50s

Cutting planes:
  Gomory: 4
  Lift-and-project: 19
  Cover: 4
  Clique: 8
  MIR: 54
  Zero half: 65
  RLT: 48

Explored 1 nodes (29758 simplex iterations) in 50.11 seconds (48.78 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 9 1 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.400000000000e+01, gap 183.3333%

Wrote result file './lp_solutions/grafo11584.34.sol'

