
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 01:50:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo9885.41.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/grafo9885.41.lp
Reading time = 0.39 seconds
: 193498 rows, 2606 columns, 582956 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 193498 rows, 2606 columns and 582956 nonzeros
Model fingerprint: 0xb39b3f69
Variable types: 51 continuous, 2555 integer (2555 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 71016 rows and 9 columns
Presolve time: 1.62s
Presolved: 122482 rows, 2597 columns, 370303 nonzeros
Variable types: 0 continuous, 2597 integer (2546 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2587 rows, 125069 columns, 372900 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13643    9.2189502e+01   0.000000e+00   1.469375e+05      5s
   33056    6.1893296e+01   0.000000e+00   6.202344e+05     10s
   51581    5.2784723e+01   0.000000e+00   1.410668e+04     15s
   68381    5.2763670e+01   0.000000e+00   1.183726e+04     20s
   85181    5.2759200e+01   0.000000e+00   1.589557e+01     25s
   87007    5.3000000e+01   0.000000e+00   0.000000e+00     26s
   87007    5.3000000e+01   0.000000e+00   0.000000e+00     26s
   87007    5.3000000e+01   0.000000e+00   0.000000e+00     26s

Root relaxation: objective 5.300000e+01, 87007 iterations, 23.76 seconds (14.36 work units)
Total elapsed time = 42.39s (DegenMoves)
Total elapsed time = 46.90s (DegenMoves)

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

     0     0   53.00000    0  672    7.00000   53.00000   657%     -   50s

Explored 1 nodes (102603 simplex iterations) in 50.06 seconds (43.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 7 

Time limit reached
Best objective 7.000000000000e+00, best bound 5.300000000000e+01, gap 657.1429%

Wrote result file './lp_solutions/grafo9885.41.sol'

