
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 07:49:28 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3724.43.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/grafo3724.43.lp
Reading time = 0.30 seconds
: 188674 rows, 2484 columns, 568154 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 188674 rows, 2484 columns and 568154 nonzeros
Model fingerprint: 0x24c5d751
Variable types: 49 continuous, 2435 integer (2435 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 69926 rows and 22 columns
Presolve time: 1.33s
Presolved: 118748 rows, 2462 columns, 358705 nonzeros
Variable types: 0 continuous, 2462 integer (2413 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2453 rows, 121201 columns, 361167 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   19196    5.0922288e+01   0.000000e+00   1.179635e+05      5s
   42214    4.5805641e+01   0.000000e+00   6.402556e+04     10s
   65062    4.5787881e+01   0.000000e+00   9.718645e+02     15s
   72851    4.6000000e+01   0.000000e+00   0.000000e+00     17s
   72851    4.6000000e+01   0.000000e+00   0.000000e+00     17s
   72851    4.6000000e+01   0.000000e+00   0.000000e+00     17s

Root relaxation: objective 4.600000e+01, 72851 iterations, 15.32 seconds (12.05 work units)
Total elapsed time = 30.40s (DegenMoves)

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

     0     0   46.00000    0  516   11.00000   46.00000   318%     -   34s
     0     0          -    0        11.00000   46.00000   318%     -   50s

Cutting planes:
  Gomory: 36
  Cover: 57
  Clique: 35
  MIR: 145
  StrongCG: 2
  GUB cover: 6
  Zero half: 47
  RLT: 73
  BQP: 3

Explored 1 nodes (92103 simplex iterations) in 50.03 seconds (52.00 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 11 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.600000000000e+01, gap 318.1818%

Wrote result file './lp_solutions/grafo3724.43.sol'

