
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:05:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11604.34.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/grafo11604.34.lp
Reading time = 0.16 seconds
: 96827 rows, 1472 columns, 291568 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 96827 rows, 1472 columns and 291568 nonzeros
Model fingerprint: 0x6c7a4ef5
Variable types: 36 continuous, 1436 integer (1436 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 38701 rows and 18 columns
Presolve time: 0.66s
Presolved: 58126 rows, 1454 columns, 175710 nonzeros
Variable types: 0 continuous, 1454 integer (1418 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1451 rows, 59577 columns, 177164 nonzeros


Root relaxation: objective 3.300000e+01, 1769 iterations, 0.51 seconds (0.57 work units)
Total elapsed time = 5.88s (DegenMoves)

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

     0     0   33.00000    0  487    5.00000   33.00000   560%     -    6s
H    0     0                       8.0000000   33.00000   312%     -    6s
H    0     0                      11.0000000   33.00000   200%     -    6s
     0     0   33.00000    0  595   11.00000   33.00000   200%     -   15s
     0     0   33.00000    0  578   11.00000   33.00000   200%     -   15s
     0     0   33.00000    0  362   11.00000   33.00000   200%     -   25s
     0     0   33.00000    0  336   11.00000   33.00000   200%     -   26s
     0     0   33.00000    0  330   11.00000   33.00000   200%     -   35s
     0     0   33.00000    0  309   11.00000   33.00000   200%     -   36s
H    0     0                      12.0000000   33.00000   175%     -   43s
     0     0   33.00000    0  339   12.00000   33.00000   175%     -   43s
     0     0   33.00000    0  342   12.00000   33.00000   175%     -   44s
     0     0   33.00000    0  389   12.00000   33.00000   175%     -   50s

Cutting planes:
  Cover: 32
  Clique: 33
  MIR: 77
  StrongCG: 1
  GUB cover: 2
  Zero half: 31
  RLT: 48
  BQP: 2

Explored 1 nodes (43143 simplex iterations) in 50.07 seconds (47.42 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 12 11 8 5 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.300000000000e+01, gap 175.0000%

Wrote result file './lp_solutions/grafo11604.34.sol'

