
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 06:41:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7099.45.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/grafo7099.45.lp
Reading time = 0.18 seconds
: 110042 rows, 2674 columns, 332494 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 110042 rows, 2674 columns and 332494 nonzeros
Model fingerprint: 0x401cdbc6
Variable types: 52 continuous, 2622 integer (2622 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 21642 rows and 2 columns
Presolve time: 0.62s
Presolved: 88400 rows, 2672 columns, 267888 nonzeros
Variable types: 0 continuous, 2672 integer (2620 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 2657 rows, 91057 columns, 270560 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22378    5.3609289e+01   0.000000e+00   2.952198e+04      5s
   42783    5.3599666e+01   0.000000e+00   1.490149e+02     10s
   46863    5.4000000e+01   0.000000e+00   0.000000e+00     11s
   46863    5.4000000e+01   0.000000e+00   0.000000e+00     11s
   46863    5.4000000e+01   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 5.400000e+01, 46863 iterations, 10.27 seconds (8.45 work units)
Total elapsed time = 28.77s (DegenMoves)
Total elapsed time = 45.88s (DegenMoves)

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

     0     0   54.00000    0  835    8.00000   54.00000   575%     -   49s
H    0     0                       9.0000000   54.00000   500%     -   49s
H    0     0                      10.0000000   54.00000   440%     -   49s

Explored 1 nodes (80129 simplex iterations) in 50.09 seconds (63.40 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 9 8 

Time limit reached
Best objective 1.000000000000e+01, best bound 5.400000000000e+01, gap 440.0000%

Wrote result file './lp_solutions/grafo7099.45.sol'

