
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 01:35:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6429.41.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/grafo6429.41.lp
Reading time = 0.59 seconds
: 281875 rows, 3076 columns, 848675 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 281875 rows, 3076 columns and 848675 nonzeros
Model fingerprint: 0xe14caff7
Variable types: 58 continuous, 3018 integer (3018 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, 6e+01]
Found heuristic solution: objective 1.0000000
Presolve removed 109486 rows and 21 columns
Presolve time: 2.67s
Presolved: 172389 rows, 3055 columns, 520591 nonzeros
Variable types: 0 continuous, 3055 integer (2997 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 3046 rows, 175435 columns, 523646 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7336    1.6498142e+02   0.000000e+00   8.438963e+05      5s
   22068    1.1552028e+02   0.000000e+00   3.795705e+06     10s
   33731    8.8996378e+01   0.000000e+00   1.123896e+05     15s
   44046    8.5892242e+01   0.000000e+00   3.381065e+05     20s
   54114    7.9838272e+01   0.000000e+00   8.282540e+05     25s
   64112    7.8799474e+01   0.000000e+00   1.685205e+05     30s
   76082    7.7772582e+01   0.000000e+00   4.176529e+04     35s
   88736    7.7755764e+01   0.000000e+00   2.625624e+04     40s
  100688    7.7746301e+01   0.000000e+00   1.303355e+04     45s

Root relaxation: time limit, 112561 iterations, 46.98 seconds (26.72 work units)

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

     0     0          -    0        10.00000  388.00000  3780%     -   50s

Explored 1 nodes (112561 simplex iterations) in 50.03 seconds (29.12 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 1 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.880000000000e+02, gap 3780.0000%

Wrote result file './lp_solutions/grafo6429.41.sol'

