
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 07:01:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6688.46.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/grafo6688.46.lp
Reading time = 0.28 seconds
: 171516 rows, 3287 columns, 517744 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 171516 rows, 3287 columns and 517744 nonzeros
Model fingerprint: 0x12edd63d
Variable types: 60 continuous, 3227 integer (3227 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 41645 rows and 0 columns
Presolve time: 1.05s
Presolved: 129871 rows, 3287 columns, 393180 nonzeros
Variable types: 0 continuous, 3287 integer (3227 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 3257 rows, 133128 columns, 396467 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16444    7.2597317e+01   0.000000e+00   6.905084e+05      5s
   31203    7.0515649e+01   0.000000e+00   3.621816e+04     10s
   46071    7.0484219e+01   0.000000e+00   2.745196e+04     15s
   60791    7.0469829e+01   0.000000e+00   1.412689e+04     20s
   75506    7.0461606e+01   0.000000e+00   1.743800e+04     25s
   90226    7.0456829e+01   0.000000e+00   2.429729e+03     30s
  104929    7.0454109e+01   0.000000e+00   1.475243e+03     35s
  120141    7.0453035e+01   0.000000e+00   2.999608e+02     40s
  131082    7.1000000e+01   0.000000e+00   0.000000e+00     44s
  131082    7.1000000e+01   0.000000e+00   0.000000e+00     44s
  131082    7.1000000e+01   0.000000e+00   0.000000e+00     44s

Root relaxation: objective 7.100000e+01, 131082 iterations, 42.48 seconds (34.76 work units)

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

     0     0   71.00000    0 2149   10.00000   71.00000   610%     -   50s

Explored 1 nodes (132762 simplex iterations) in 50.04 seconds (42.86 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 10 

Time limit reached
Best objective 1.000000000000e+01, best bound 7.100000000000e+01, gap 610.0000%

Wrote result file './lp_solutions/grafo6688.46.sol'

