
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:33:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7726.46.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/grafo7726.46.lp
Reading time = 0.39 seconds
: 233535 rows, 3151 columns, 703550 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 233535 rows, 3151 columns and 703550 nonzeros
Model fingerprint: 0xd5aad23d
Variable types: 57 continuous, 3094 integer (3094 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, 6e+01]
Presolve removed 79336 rows and 15 columns
Presolve time: 1.65s
Presolved: 154199 rows, 3136 columns, 465978 nonzeros
Variable types: 0 continuous, 3136 integer (3079 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 3121 rows, 157320 columns, 469114 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   15061    7.5837757e+01   0.000000e+00   1.068951e+06      5s
   29438    6.4710605e+01   0.000000e+00   1.747950e+05     10s
   43515    6.2651949e+01   0.000000e+00   6.726620e+04     15s
   58726    6.2619335e+01   0.000000e+00   3.219223e+04     20s
   73949    6.2604897e+01   0.000000e+00   6.976609e+03     25s
   89159    6.2597127e+01   0.000000e+00   1.134623e+04     30s
  104363    6.2593416e+01   0.000000e+00   2.519353e+03     35s
  119565    6.2591576e+01   0.000000e+00   1.224098e+03     40s
  130817    6.3000000e+01   0.000000e+00   0.000000e+00     44s
  130817    6.3000000e+01   0.000000e+00   0.000000e+00     44s
  130817    6.3000000e+01   0.000000e+00   0.000000e+00     44s

Root relaxation: objective 6.300000e+01, 130817 iterations, 41.86 seconds (31.34 work units)

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

     0     0   63.00000    0 1998    7.00000   63.00000   800%     -   50s

Explored 1 nodes (132567 simplex iterations) in 50.07 seconds (39.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 7 

Time limit reached
Best objective 7.000000000000e+00, best bound 6.300000000000e+01, gap 800.0000%

Wrote result file './lp_solutions/grafo7726.46.sol'

