
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:07:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6033.43.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/grafo6033.43.lp
Reading time = 0.12 seconds
: 74593 rows, 2128 columns, 225415 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 74593 rows, 2128 columns and 225415 nonzeros
Model fingerprint: 0x1e817ce5
Variable types: 43 continuous, 2085 integer (2085 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 18550 rows and 48 columns
Presolve time: 0.62s
Presolved: 56043 rows, 2080 columns, 170106 nonzeros
Variable types: 0 continuous, 2080 integer (2037 binary)
Root relaxation presolved: 2079 rows, 58122 columns, 172186 nonzeros


Root relaxation: objective 3.700000e+01, 21250 iterations, 3.12 seconds (2.75 work units)
Total elapsed time = 8.54s (DegenMoves)

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

     0     0   37.00000    0  428          -   37.00000      -     -    9s
H    0     0                      11.0000000   37.00000   236%     -   11s
     0     0   37.00000    0  588   11.00000   37.00000   236%     -   15s
H    0     0                      12.0000000   37.00000   208%     -   16s
     0     0   37.00000    0  596   12.00000   37.00000   208%     -   16s
     0     0   37.00000    0  465   12.00000   37.00000   208%     -   30s
H    0     0                      14.0000000   37.00000   164%     -   30s
     0     0   37.00000    0  451   14.00000   37.00000   164%     -   31s
     0     0   37.00000    0  379   14.00000   37.00000   164%     -   42s
     0     0   37.00000    0  439   14.00000   37.00000   164%     -   44s
     0     0   37.00000    0  560   14.00000   37.00000   164%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 27
  Clique: 7
  MIR: 112
  StrongCG: 2
  GUB cover: 1
  Inf proof: 3
  Zero half: 26
  RLT: 48
  BQP: 1
  PSD: 1

Explored 1 nodes (72735 simplex iterations) in 50.09 seconds (46.39 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 14 12 11 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.700000000000e+01, gap 164.2857%

Wrote result file './lp_solutions/grafo6033.43.sol'

