
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:13:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6359.43.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/grafo6359.43.lp
Reading time = 0.24 seconds
: 155497 rows, 2793 columns, 469041 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 155497 rows, 2793 columns and 469041 nonzeros
Model fingerprint: 0x4b353542
Variable types: 54 continuous, 2739 integer (2739 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 46105 rows and 28 columns
Presolve time: 1.14s
Presolved: 109392 rows, 2765 columns, 331170 nonzeros
Variable types: 0 continuous, 2765 integer (2711 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2762 rows, 112154 columns, 333935 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18078    6.5829560e+01   0.000000e+00   3.280417e+05      5s
   37398    6.3719006e+01   0.000000e+00   8.733012e+04     10s
   56586    6.3697668e+01   0.000000e+00   2.889918e+03     15s
   68723    6.4000000e+01   0.000000e+00   0.000000e+00     18s
   68723    6.4000000e+01   0.000000e+00   0.000000e+00     19s
   68723    6.4000000e+01   0.000000e+00   0.000000e+00     19s

Root relaxation: objective 6.400000e+01, 68723 iterations, 17.24 seconds (13.78 work units)
Total elapsed time = 41.02s (DegenMoves)
Total elapsed time = 47.74s (DegenMoves)

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

     0     0   64.00000    0  977   11.00000   64.00000   482%     -   50s

Explored 1 nodes (89041 simplex iterations) in 50.05 seconds (54.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 6.400000000000e+01, gap 481.8182%

Wrote result file './lp_solutions/grafo6359.43.sol'

