
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:36:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5395.33.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/grafo5395.33.lp
Reading time = 0.22 seconds
: 135097 rows, 1705 columns, 406749 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 135097 rows, 1705 columns and 406749 nonzeros
Model fingerprint: 0x340cbbe7
Variable types: 41 continuous, 1664 integer (1664 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 55605 rows and 15 columns
Presolve time: 1.08s
Presolved: 79492 rows, 1690 columns, 240193 nonzeros
Variable types: 0 continuous, 1690 integer (1649 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1690 rows, 81182 columns, 241883 nonzeros


Root relaxation: objective 4.200000e+01, 1933 iterations, 0.64 seconds (0.79 work units)
Total elapsed time = 5.55s (DegenMoves)

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

     0     0   42.00000    0  519    9.00000   42.00000   367%     -    6s
H    0     0                      11.0000000   42.00000   282%     -    6s
     0     0   42.00000    0  794   11.00000   42.00000   282%     -   17s
     0     0   42.00000    0  777   11.00000   42.00000   282%     -   18s
     0     0   42.00000    0  711   11.00000   42.00000   282%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 13
  Clique: 36
  MIR: 92
  Zero half: 46
  RLT: 92
  BQP: 8

Explored 1 nodes (34668 simplex iterations) in 50.03 seconds (61.24 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 9 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.200000000000e+01, gap 281.8182%

Wrote result file './lp_solutions/grafo5395.33.sol'

