
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 00:48:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6993.40.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/grafo6993.40.lp
Reading time = 0.26 seconds
: 124723 rows, 2173 columns, 375918 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 124723 rows, 2173 columns and 375918 nonzeros
Model fingerprint: 0xac39999f
Variable types: 44 continuous, 2129 integer (2129 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 43273 rows and 9 columns
Presolve time: 1.00s
Presolved: 81450 rows, 2164 columns, 246497 nonzeros
Variable types: 0 continuous, 2164 integer (2120 binary)
Root relaxation presolved: 2160 rows, 83610 columns, 248661 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18413    5.0880907e+01   0.000000e+00   1.546742e+05      5s
   41318    5.0798406e+01   0.000000e+00   2.367597e+03     10s
   43711    5.1000000e+01   0.000000e+00   0.000000e+00     11s
   43711    5.1000000e+01   0.000000e+00   0.000000e+00     11s
   43711    5.1000000e+01   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 5.100000e+01, 43711 iterations, 9.35 seconds (5.68 work units)
Total elapsed time = 22.74s (DegenMoves)
Total elapsed time = 28.90s (DegenMoves)
Total elapsed time = 30.28s (DegenMoves)

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

     0     0   51.00000    0  604          -   51.00000      -     -   30s
H    0     0                       7.0000000   51.00000   629%     -   30s
H    0     0                      10.0000000   51.00000   410%     -   30s
     0     0   51.00000    0  818   10.00000   51.00000   410%     -   48s
H    0     0                      11.0000000   51.00000   364%     -   49s
     0     0          -    0        11.00000   51.00000   364%     -   50s

Cutting planes:
  Gomory: 2
  Clique: 23
  MIR: 59
  StrongCG: 1
  Zero half: 10
  RLT: 34
  BQP: 3

Explored 1 nodes (67146 simplex iterations) in 50.03 seconds (44.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 7 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.100000000000e+01, gap 363.6364%

Wrote result file './lp_solutions/grafo6993.40.sol'

