
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:18:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10023.39.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/grafo10023.39.lp
Reading time = 0.13 seconds
: 82013 rows, 2194 columns, 247924 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 82013 rows, 2194 columns and 247924 nonzeros
Model fingerprint: 0xfd8f461a
Variable types: 46 continuous, 2148 integer (2148 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 19771 rows and 32 columns
Presolve time: 0.58s
Presolved: 62242 rows, 2162 columns, 189261 nonzeros
Variable types: 0 continuous, 2162 integer (2116 binary)
Root relaxation presolved: 2162 rows, 64404 columns, 191423 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   23226    4.5935432e+01   0.000000e+00   1.897453e+04      5s
   48030    4.5923220e+01   0.000000e+00   2.611829e+03     10s
   63679    4.6000000e+01   0.000000e+00   0.000000e+00     13s
   63679    4.6000000e+01   0.000000e+00   0.000000e+00     13s

Root relaxation: objective 4.600000e+01, 63679 iterations, 12.66 seconds (11.52 work units)
Total elapsed time = 23.79s (DegenMoves)
Total elapsed time = 26.78s (DegenMoves)
Total elapsed time = 30.39s (DegenMoves)

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

     0     0   46.00000    0  618          -   46.00000      -     -   32s
H    0     0                       5.0000000   46.00000   820%     -   36s
     0     0          -    0         5.00000   46.00000   820%     -   50s

Cutting planes:
  Gomory: 30
  Cover: 25
  Clique: 8
  MIR: 102
  GUB cover: 4
  Zero half: 17
  RLT: 27
  BQP: 3

Explored 1 nodes (93641 simplex iterations) in 50.08 seconds (49.58 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 4.600000000000e+01, gap 820.0000%

Wrote result file './lp_solutions/grafo10023.39.sol'

