
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:32:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11652.39.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/grafo11652.39.lp
Reading time = 0.23 seconds
: 142182 rows, 2320 columns, 428622 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 142182 rows, 2320 columns and 428622 nonzeros
Model fingerprint: 0x323aeb9c
Variable types: 47 continuous, 2273 integer (2273 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 58676 rows and 71 columns
Presolve time: 0.92s
Presolved: 83506 rows, 2249 columns, 253054 nonzeros
Variable types: 0 continuous, 2249 integer (2202 binary)
Root relaxation presolved: 2243 rows, 85749 columns, 255303 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   24051    4.9933513e+01   0.000000e+00   3.020150e+03      5s
   38496    5.0000000e+01   0.000000e+00   0.000000e+00      8s
   38496    5.0000000e+01   0.000000e+00   0.000000e+00      8s
   38496    5.0000000e+01   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 5.000000e+01, 38496 iterations, 6.97 seconds (5.79 work units)
Total elapsed time = 17.29s (DegenMoves)

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

     0     0   50.00000    0  529          -   50.00000      -     -   20s
H    0     0                       7.0000000   50.00000   614%     -   22s
     0     0   50.00000    0  907    7.00000   50.00000   614%     -   33s
H    0     0                      10.0000000   50.00000   400%     -   34s
     0     0   50.00000    0  822   10.00000   50.00000   400%     -   35s
     0     0   50.00000    0  805   10.00000   50.00000   400%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 17
  Clique: 24
  MIR: 126
  StrongCG: 1
  GUB cover: 1
  Zero half: 69
  RLT: 90
  BQP: 3

Explored 1 nodes (66736 simplex iterations) in 50.04 seconds (51.03 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 7 

Time limit reached
Best objective 1.000000000000e+01, best bound 5.000000000000e+01, gap 400.0000%

Wrote result file './lp_solutions/grafo11652.39.sol'

