
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:50:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5789.39.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/grafo5789.39.lp
Reading time = 0.92 seconds
: 573592 rows, 2846 columns, 1723629 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 573592 rows, 2846 columns and 1723629 nonzeros
Model fingerprint: 0xbe9dcc7c
Variable types: 55 continuous, 2791 integer (2791 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 2.0000000
Presolve removed 267432 rows and 19 columns
Presolve time: 4.69s
Presolved: 306160 rows, 2827 columns, 921601 nonzeros
Variable types: 0 continuous, 2827 integer (2772 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2818 rows, 308978 columns, 924428 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.1349200e+03   0.000000e+00   2.016047e+06      6s
   29632    1.3993285e+02   0.000000e+00   1.056439e+06     11s
   51253    1.0155028e+02   0.000000e+00   1.412880e+05     16s
   67182    7.3977629e+01   0.000000e+00   1.370752e+06     21s
   81727    6.6903592e+01   0.000000e+00   1.757048e+05     25s
   99858    6.5837055e+01   0.000000e+00   7.387724e+05     30s
  116787    6.4805739e+01   0.000000e+00   1.238982e+05     35s
  136236    6.4786486e+01   0.000000e+00   1.278578e+04     40s
  154426    6.4777316e+01   0.000000e+00   8.528438e+03     45s

Root relaxation: time limit, 172832 iterations, 44.86 seconds (33.31 work units)

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

     0     0          -    0        10.00000  416.00000  4060%     -   50s

Explored 1 nodes (172832 simplex iterations) in 50.06 seconds (38.18 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 2 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.160000000000e+02, gap 4060.0000%

Wrote result file './lp_solutions/grafo5789.39.sol'

