
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 07:17:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6205.42.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/grafo6205.42.lp
Reading time = 0.24 seconds
: 150930 rows, 2430 columns, 454809 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 150930 rows, 2430 columns and 454809 nonzeros
Model fingerprint: 0x8699e32e
Variable types: 48 continuous, 2382 integer (2382 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]
Found heuristic solution: objective 1.0000000
Presolve removed 52622 rows and 19 columns
Presolve time: 0.99s
Presolved: 98308 rows, 2411 columns, 297288 nonzeros
Variable types: 0 continuous, 2411 integer (2363 binary)
Found heuristic solution: objective 13.0000000
Root relaxation presolved: 2411 rows, 100719 columns, 299699 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   21349    6.2932244e+01   0.000000e+00   2.330075e+05      5s
   45717    6.2814288e+01   0.000000e+00   2.846372e+04     10s
   69993    6.2800103e+01   0.000000e+00   3.499192e+02     15s
   73927    6.3000000e+01   0.000000e+00   0.000000e+00     16s
   73927    6.3000000e+01   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 6.300000e+01, 73927 iterations, 14.77 seconds (11.52 work units)
Total elapsed time = 32.59s (DegenMoves)
Total elapsed time = 35.45s (DegenMoves)

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

     0     0   63.00000    0  688   13.00000   63.00000   385%     -   36s
H    0     0                      14.0000000   63.00000   350%     -   36s
     0     0          -    0        14.00000   63.00000   350%     -   50s

Cutting planes:
  Gomory: 36
  Cover: 37
  Clique: 12
  MIR: 158
  GUB cover: 4
  Zero half: 51
  RLT: 57

Explored 1 nodes (94292 simplex iterations) in 50.03 seconds (48.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 14 13 1 

Time limit reached
Best objective 1.400000000000e+01, best bound 6.300000000000e+01, gap 350.0000%

Wrote result file './lp_solutions/grafo6205.42.sol'

