
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:33:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3260.33.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/grafo3260.33.lp
Reading time = 0.25 seconds
: 150775 rows, 2092 columns, 454380 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 150775 rows, 2092 columns and 454380 nonzeros
Model fingerprint: 0xc80bf168
Variable types: 47 continuous, 2045 integer (2045 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 1.0000000
Presolve removed 58413 rows and 11 columns
Presolve time: 1.00s
Presolved: 92362 rows, 2081 columns, 279605 nonzeros
Variable types: 0 continuous, 2081 integer (2034 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2077 rows, 94439 columns, 281686 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   24072    4.6870165e+01   0.000000e+00   1.183151e+05      5s
   50616    4.6735723e+01   0.000000e+00   1.867501e+04     10s
   63378    4.7000000e+01   0.000000e+00   0.000000e+00     13s
   63378    4.7000000e+01   0.000000e+00   0.000000e+00     13s
   63378    4.7000000e+01   0.000000e+00   0.000000e+00     13s

Root relaxation: objective 4.700000e+01, 63378 iterations, 11.43 seconds (8.52 work units)
Total elapsed time = 21.58s (DegenMoves)
Total elapsed time = 26.74s (DegenMoves)

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

     0     0   47.00000    0  488   10.00000   47.00000   370%     -   27s
H    0     0                      11.0000000   47.00000   327%     -   27s
     0     0   47.00000    0  874   11.00000   47.00000   327%     -   48s
     0     0          -    0        11.00000   47.00000   327%     -   50s

Cutting planes:
  Gomory: 7
  Clique: 23
  MIR: 76
  Zero half: 4
  RLT: 24
  BQP: 3

Explored 1 nodes (87773 simplex iterations) in 50.02 seconds (55.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 10 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.700000000000e+01, gap 327.2727%

Wrote result file './lp_solutions/grafo3260.33.sol'

