
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 06:24:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6192.41.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/grafo6192.41.lp
Reading time = 0.15 seconds
: 99663 rows, 2281 columns, 300934 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 99663 rows, 2281 columns and 300934 nonzeros
Model fingerprint: 0xba812c36
Variable types: 47 continuous, 2234 integer (2234 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 26966 rows and 16 columns
Presolve time: 0.66s
Presolved: 72697 rows, 2265 columns, 220498 nonzeros
Variable types: 0 continuous, 2265 integer (2218 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2256 rows, 74953 columns, 222763 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22454    4.8929369e+01   0.000000e+00   1.536939e+04      5s
   46293    4.8913490e+01   0.000000e+00   1.441251e+03     10s
   69668    4.8909746e+01   0.000000e+00   4.306630e+02     15s
   79111    4.9000000e+01   0.000000e+00   0.000000e+00     17s
   79111    4.9000000e+01   0.000000e+00   0.000000e+00     17s
   79111    4.9000000e+01   0.000000e+00   0.000000e+00     17s

Root relaxation: objective 4.900000e+01, 79111 iterations, 16.29 seconds (14.29 work units)
Total elapsed time = 29.94s (DegenMoves)
Total elapsed time = 30.79s (DegenMoves)

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

     0     0   49.00000    0  595    5.00000   49.00000   880%     -   48s
H    0     0                      11.0000000   49.00000   345%     -   48s

Cutting planes:
  Cover: 45
  Clique: 16
  MIR: 182
  GUB cover: 3

Explored 1 nodes (110893 simplex iterations) in 50.07 seconds (60.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 5 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.900000000000e+01, gap 345.4545%

Wrote result file './lp_solutions/grafo6192.41.sol'

