
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:08:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6120.43.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/grafo6120.43.lp
Reading time = 0.13 seconds
: 80839 rows, 2255 columns, 244350 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 80839 rows, 2255 columns and 244350 nonzeros
Model fingerprint: 0x92f9460a
Variable types: 46 continuous, 2209 integer (2209 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 14657 rows and 21 columns
Presolve time: 0.53s
Presolved: 66182 rows, 2234 columns, 200734 nonzeros
Variable types: 0 continuous, 2234 integer (2188 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 2234 rows, 68416 columns, 202968 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27214    4.2902823e+01   0.000000e+00   1.675093e+03      5s
   31387    4.3000000e+01   0.000000e+00   0.000000e+00      6s
   31387    4.3000000e+01   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 4.300000e+01, 31387 iterations, 5.26 seconds (4.61 work units)
Total elapsed time = 12.66s (DegenMoves)

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

     0     0   43.00000    0  391    9.00000   43.00000   378%     -   13s
H    0     0                      10.0000000   43.00000   330%     -   14s
     0     0   43.00000    0  755   10.00000   43.00000   330%     -   21s
     0     0   43.00000    0  748   10.00000   43.00000   330%     -   23s
     0     0   43.00000    0  523   10.00000   43.00000   330%     -   36s
     0     0   43.00000    0  508   10.00000   43.00000   330%     -   37s
     0     0   43.00000    0  435   10.00000   43.00000   330%     -   48s
     0     0          -    0        10.00000   43.00000   330%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 3
  Clique: 9
  MIR: 34
  StrongCG: 1
  Zero half: 9
  RLT: 36
  BQP: 1
  PSD: 1

Explored 1 nodes (72407 simplex iterations) in 50.09 seconds (44.70 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 9 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.300000000000e+01, gap 330.0000%

Wrote result file './lp_solutions/grafo6120.43.sol'

