
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 06:35:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2046.38.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/grafo2046.38.lp
Reading time = 0.33 seconds
: 201716 rows, 2018 columns, 606833 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 201716 rows, 2018 columns and 606833 nonzeros
Model fingerprint: 0x32c6d963
Variable types: 42 continuous, 1976 integer (1976 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 93069 rows and 15 columns
Presolve time: 1.42s
Presolved: 108647 rows, 2003 columns, 327943 nonzeros
Variable types: 0 continuous, 2003 integer (1961 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2003 rows, 110650 columns, 329946 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   24267    4.2859619e+01   0.000000e+00   1.013227e+04      5s
   35542    4.3000000e+01   0.000000e+00   0.000000e+00      7s
   35542    4.3000000e+01   0.000000e+00   0.000000e+00      7s

Root relaxation: objective 4.300000e+01, 35542 iterations, 5.20 seconds (4.05 work units)
Total elapsed time = 16.64s (DegenMoves)
Total elapsed time = 21.01s (DegenMoves)
Total elapsed time = 25.00s (DegenMoves)

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

     0     0   43.00000    0  485   11.00000   43.00000   291%     -   26s
     0     0   43.00000    0  789   11.00000   43.00000   291%     -   43s
     0     0   43.00000    0  722   11.00000   43.00000   291%     -   48s

Cutting planes:
  Cover: 14
  Clique: 40
  MIR: 105
  StrongCG: 1
  Zero half: 3
  RLT: 35
  BQP: 2

Explored 1 nodes (60114 simplex iterations) in 50.03 seconds (59.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 11 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.300000000000e+01, gap 290.9091%

Wrote result file './lp_solutions/grafo2046.38.sol'

