
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 07:03:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7059.46.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/grafo7059.46.lp
Reading time = 0.10 seconds
: 64897 rows, 2177 columns, 196194 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 64897 rows, 2177 columns and 196194 nonzeros
Model fingerprint: 0x27769049
Variable types: 43 continuous, 2134 integer (2134 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 6421 rows and 1 columns
Presolve time: 0.36s
Presolved: 58476 rows, 2176 columns, 177189 nonzeros
Variable types: 0 continuous, 2176 integer (2133 binary)
Root relaxation presolved: 2143 rows, 60619 columns, 179365 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27560    3.5966637e+01   0.000000e+00   2.740441e+02      5s
   30352    3.6000000e+01   0.000000e+00   0.000000e+00      6s
   30352    3.6000000e+01   0.000000e+00   0.000000e+00      6s
   30352    3.6000000e+01   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 3.600000e+01, 30352 iterations, 5.14 seconds (4.79 work units)
Total elapsed time = 10.56s (DegenMoves)

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

     0     0   36.00000    0  329          -   36.00000      -     -   11s
H    0     0                       7.0000000   36.00000   414%     -   11s
H    0     0                       9.0000000   36.00000   300%     -   11s
     0     0   36.00000    0  697    9.00000   36.00000   300%     -   15s
H    0     0                      12.0000000   36.00000   200%     -   16s
     0     0   36.00000    0  719   12.00000   36.00000   200%     -   16s
     0     0   36.00000    0  471   12.00000   36.00000   200%     -   41s
     0     0   36.00000    0  471   12.00000   36.00000   200%     -   42s
     0     0   36.00000    0  562   12.00000   36.00000   200%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 25
  Clique: 3
  MIR: 141
  Zero half: 22
  RLT: 53

Explored 1 nodes (75012 simplex iterations) in 50.06 seconds (46.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 9 7 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.600000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo7059.46.sol'

