
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 05:05:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7522.46.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/grafo7522.46.lp
Reading time = 0.65 seconds
: 346908 rows, 3686 columns, 1044501 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 346908 rows, 3686 columns and 1044501 nonzeros
Model fingerprint: 0x48d685d7
Variable types: 64 continuous, 3622 integer (3622 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]
Found heuristic solution: objective 1.0000000
Presolve removed 127579 rows and 27 columns
Presolve time: 3.15s
Presolved: 219329 rows, 3659 columns, 662299 nonzeros
Variable types: 0 continuous, 3659 integer (3595 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 3656 rows, 222985 columns, 665958 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    3288    2.4885627e+02   0.000000e+00   4.778110e+06      5s
   17766    1.4687756e+02   0.000000e+00   3.988658e+05     11s
   29785    1.1204230e+02   0.000000e+00   2.405480e+06     17s
   37485    1.0217518e+02   0.000000e+00   4.557811e+06     20s
   48222    8.8928072e+01   0.000000e+00   3.317991e+05     26s
   58105    8.4867856e+01   0.000000e+00   1.939459e+05     30s
   67264    7.4827378e+01   0.000000e+00   4.241553e+05     35s
   77416    7.4795050e+01   0.000000e+00   6.539434e+05     40s
   87307    7.4767265e+01   0.000000e+00   1.557119e+05     45s

Root relaxation: time limit, 97270 iterations, 46.44 seconds (28.45 work units)

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

     0     0          -    0        11.00000  409.00000  3618%     -   50s

Explored 1 nodes (97270 simplex iterations) in 50.04 seconds (31.45 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.090000000000e+02, gap 3618.1818%

Wrote result file './lp_solutions/grafo7522.46.sol'

