
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:33:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7015.45.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/grafo7015.45.lp
Reading time = 0.43 seconds
: 228937 rows, 2347 columns, 688587 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 228937 rows, 2347 columns and 688587 nonzeros
Model fingerprint: 0x767396b2
Variable types: 44 continuous, 2303 integer (2303 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 2.0000000
Presolve removed 92998 rows and 9 columns
Presolve time: 2.01s
Presolved: 135939 rows, 2338 columns, 409895 nonzeros
Variable types: 0 continuous, 2338 integer (2294 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 2328 rows, 138267 columns, 412233 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   14202    4.9999150e+01   0.000000e+00   2.182963e+05      5s
   33004    4.2885559e+01   0.000000e+00   9.571027e+04     10s
   52448    4.2834121e+01   0.000000e+00   4.955223e+04     15s
   72517    4.2820212e+01   0.000000e+00   1.292809e+03     20s
   93835    4.2817144e+01   0.000000e+00   4.661820e-01     25s
   94205    4.3000000e+01   0.000000e+00   0.000000e+00     25s
   94205    4.3000000e+01   0.000000e+00   0.000000e+00     25s
   94205    4.3000000e+01   0.000000e+00   0.000000e+00     25s

Root relaxation: objective 4.300000e+01, 94205 iterations, 23.08 seconds (13.90 work units)
Total elapsed time = 44.39s (DegenMoves)
Total elapsed time = 48.18s (DegenMoves)

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

     0     0   43.00000    0  536    6.00000   43.00000   617%     -   50s

Explored 1 nodes (107204 simplex iterations) in 50.11 seconds (41.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 6 2 

Time limit reached
Best objective 6.000000000000e+00, best bound 4.300000000000e+01, gap 616.6667%

Wrote result file './lp_solutions/grafo7015.45.sol'

