
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 07:44:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3233.43.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/grafo3233.43.lp
Reading time = 0.09 seconds
: 54085 rows, 1744 columns, 163248 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 54085 rows, 1744 columns and 163248 nonzeros
Model fingerprint: 0xbc45f8f4
Variable types: 35 continuous, 1709 integer (1709 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 9342 rows and 19 columns
Presolve time: 0.36s
Presolved: 44743 rows, 1725 columns, 135598 nonzeros
Variable types: 0 continuous, 1725 integer (1690 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 25857 rows, 20611 columns, 97826 nonzeros


Root relaxation: objective 2.900000e+01, 3078 iterations, 1.23 seconds (1.23 work units)
Total elapsed time = 5.72s (DegenMoves)

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

     0     0   29.00000    0  309    6.00000   29.00000   383%     -    6s
H    0     0                       8.0000000   29.00000   262%     -    6s
     0     0   29.00000    0  664    8.00000   29.00000   262%     -   12s
H    0     0                       9.0000000   29.00000   222%     -   12s
     0     0   29.00000    0  664    9.00000   29.00000   222%     -   12s
     0     0   29.00000    0  317    9.00000   29.00000   222%     -   23s
     0     0   29.00000    0  316    9.00000   29.00000   222%     -   23s
     0     0   29.00000    0  179    9.00000   29.00000   222%     -   26s
     0     0   29.00000    0  171    9.00000   29.00000   222%     -   26s
H    0     0                      10.0000000   29.00000   190%     -   32s
H    0     0                      12.0000000   29.00000   142%     -   32s
     0     0   29.00000    0  262   12.00000   29.00000   142%     -   32s
     0     0   29.00000    0  399   12.00000   29.00000   142%     -   33s
     0     0   29.00000    0  319   12.00000   29.00000   142%     -   38s
     0     0   29.00000    0  363   12.00000   29.00000   142%     -   38s
     0     0   29.00000    0  314   12.00000   29.00000   142%     -   44s
     0     0   29.00000    0  312   12.00000   29.00000   142%     -   45s
     0     0   29.00000    0  268   12.00000   29.00000   142%     -   48s
     0     0   29.00000    0  267   12.00000   29.00000   142%     -   49s

Cutting planes:
  Gomory: 1
  Clique: 7
  MIR: 12
  RLT: 16

Explored 1 nodes (78909 simplex iterations) in 50.02 seconds (49.30 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 10 9 ... 6

Time limit reached
Best objective 1.200000000000e+01, best bound 2.900000000000e+01, gap 141.6667%

Wrote result file './lp_solutions/grafo3233.43.sol'

