
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:34:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5351.35.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/grafo5351.35.lp
Reading time = 0.38 seconds
: 231087 rows, 2063 columns, 695087 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 231087 rows, 2063 columns and 695087 nonzeros
Model fingerprint: 0x783b5818
Variable types: 45 continuous, 2018 integer (2018 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 102871 rows and 16 columns
Presolve time: 1.71s
Presolved: 128216 rows, 2047 columns, 386697 nonzeros
Variable types: 0 continuous, 2047 integer (2002 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2044 rows, 130260 columns, 388744 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22850    7.7698391e+01   0.000000e+00   1.504245e+05      5s
   50199    5.7819559e+01   0.000000e+00   1.827000e+05     10s
   78198    5.7778604e+01   0.000000e+00   7.331861e+03     15s
   95741    5.8000000e+01   0.000000e+00   0.000000e+00     18s
   95741    5.8000000e+01   0.000000e+00   0.000000e+00     18s
   95741    5.8000000e+01   0.000000e+00   0.000000e+00     18s

Root relaxation: objective 5.800000e+01, 95741 iterations, 16.20 seconds (11.89 work units)
Total elapsed time = 33.20s (DegenMoves)
Total elapsed time = 36.01s (DegenMoves)

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

     0     0   58.00000    0  590   10.00000   58.00000   480%     -   37s
     0     0          -    0        10.00000   58.00000   480%     -   50s

Cutting planes:
  Gomory: 41
  Cover: 64
  Clique: 100
  MIR: 218
  GUB cover: 8
  Zero half: 66
  RLT: 121
  BQP: 20

Explored 1 nodes (111224 simplex iterations) in 50.03 seconds (50.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 2 

Time limit reached
Best objective 1.000000000000e+01, best bound 5.800000000000e+01, gap 480.0000%

Wrote result file './lp_solutions/grafo5351.35.sol'

