
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:03:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5634.43.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/grafo5634.43.lp
Reading time = 0.24 seconds
: 150436 rows, 3036 columns, 454343 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 150436 rows, 3036 columns and 454343 nonzeros
Model fingerprint: 0x7c5fcbac
Variable types: 58 continuous, 2978 integer (2978 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 36619 rows and 19 columns
Presolve time: 1.03s
Presolved: 113817 rows, 3017 columns, 345009 nonzeros
Variable types: 0 continuous, 3017 integer (2959 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 3000 rows, 116817 columns, 348026 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16600    6.1697148e+01   0.000000e+00   4.414395e+05      5s
   33533    6.0616926e+01   0.000000e+00   3.997957e+05     10s
   50425    6.0581828e+01   0.000000e+00   4.551070e+04     15s
   67261    6.0566004e+01   0.000000e+00   1.472921e+04     20s
   84096    6.0558833e+01   0.000000e+00   1.150403e+04     25s
  100450    6.0556062e+01   0.000000e+00   3.622696e+03     30s
  108184    6.1000000e+01   0.000000e+00   0.000000e+00     32s
  108184    6.1000000e+01   0.000000e+00   0.000000e+00     32s
  108184    6.1000000e+01   0.000000e+00   0.000000e+00     32s

Root relaxation: objective 6.100000e+01, 108184 iterations, 31.10 seconds (25.29 work units)

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

     0     0   61.00000    0 1869   11.00000   61.00000   455%     -   50s

Explored 1 nodes (116367 simplex iterations) in 50.04 seconds (44.16 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 11 

Time limit reached
Best objective 1.100000000000e+01, best bound 6.100000000000e+01, gap 454.5455%

Wrote result file './lp_solutions/grafo5634.43.sol'

