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

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11658.35.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/grafo11658.35.lp
Reading time = 0.33 seconds
: 198326 rows, 1944 columns, 596676 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 198326 rows, 1944 columns and 596676 nonzeros
Model fingerprint: 0x2d3e73b1
Variable types: 43 continuous, 1901 integer (1901 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 87017 rows and 8 columns
Presolve time: 1.33s
Presolved: 111309 rows, 1936 columns, 335797 nonzeros
Variable types: 0 continuous, 1936 integer (1893 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1930 rows, 113239 columns, 337733 nonzeros


Root relaxation: objective 5.200000e+01, 3640 iterations, 2.27 seconds (2.94 work units)
Total elapsed time = 23.00s (DegenMoves)
Total elapsed time = 25.89s (DegenMoves)

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

     0     0   52.00000    0  821   10.00000   52.00000   420%     -   29s
H    0     0                      11.0000000   52.00000   373%     -   29s
     0     0          -    0        11.00000   52.00000   373%     -   50s

Cutting planes:
  Gomory: 21
  Cover: 30
  Clique: 79
  MIR: 207
  StrongCG: 3
  GUB cover: 2
  Zero half: 70
  RLT: 135
  BQP: 17

Explored 1 nodes (24482 simplex iterations) in 50.02 seconds (56.94 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 10 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.200000000000e+01, gap 372.7273%

Wrote result file './lp_solutions/grafo11658.35.sol'

