
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:05:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5165.42.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/grafo5165.42.lp
Reading time = 0.34 seconds
: 134958 rows, 2896 columns, 407714 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 134958 rows, 2896 columns and 407714 nonzeros
Model fingerprint: 0x64ee2ff3
Variable types: 57 continuous, 2839 integer (2839 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 31109 rows and 1 columns
Presolve time: 1.25s
Presolved: 103849 rows, 2895 columns, 314830 nonzeros
Variable types: 0 continuous, 2895 integer (2838 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2865 rows, 106714 columns, 317725 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   14124    6.7967474e+01   0.000000e+00   2.855008e+05      5s
   27948    6.5937856e+01   0.000000e+00   5.479314e+04     10s
   40044    6.5929158e+01   0.000000e+00   4.454651e+03     15s
   51276    6.5926115e+01   0.000000e+00   1.950693e+03     20s
   62509    6.5924962e+01   0.000000e+00   3.393698e+02     25s
   74421    6.5924718e+01   0.000000e+00   4.525583e+01     30s
   77378    6.6000000e+01   0.000000e+00   0.000000e+00     32s
   77378    6.6000000e+01   0.000000e+00   0.000000e+00     32s
   77378    6.6000000e+01   0.000000e+00   0.000000e+00     32s

Root relaxation: objective 6.600000e+01, 77378 iterations, 30.17 seconds (16.66 work units)

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

     0     0   66.00000    0 1842   10.00000   66.00000   560%     -   50s

Explored 1 nodes (83933 simplex iterations) in 50.05 seconds (32.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 1 

Time limit reached
Best objective 1.000000000000e+01, best bound 6.600000000000e+01, gap 560.0000%

Wrote result file './lp_solutions/grafo5165.42.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 05:23:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5165.42.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/grafo5165.42.lp
Reading time = 0.22 seconds
: 134958 rows, 2896 columns, 407714 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 134958 rows, 2896 columns and 407714 nonzeros
Model fingerprint: 0x64ee2ff3
Variable types: 57 continuous, 2839 integer (2839 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 31109 rows and 1 columns
Presolve time: 0.76s
Presolved: 103849 rows, 2895 columns, 314830 nonzeros
Variable types: 0 continuous, 2895 integer (2838 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2865 rows, 106714 columns, 317725 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20172    6.5949988e+01   0.000000e+00   1.998179e+05      5s
   38316    6.5929878e+01   0.000000e+00   5.645537e+03     10s
   55596    6.5925438e+01   0.000000e+00   6.862634e+03     15s
   72180    6.5924739e+01   0.000000e+00   7.342293e+01     20s
   77378    6.6000000e+01   0.000000e+00   0.000000e+00     22s
   77378    6.6000000e+01   0.000000e+00   0.000000e+00     22s
   77378    6.6000000e+01   0.000000e+00   0.000000e+00     22s

Root relaxation: objective 6.600000e+01, 77378 iterations, 20.80 seconds (16.66 work units)

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

     0     0   66.00000    0 1842   10.00000   66.00000   560%     -   50s

Explored 1 nodes (89247 simplex iterations) in 50.02 seconds (43.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 1 

Time limit reached
Best objective 1.000000000000e+01, best bound 6.600000000000e+01, gap 560.0000%

Wrote result file './lp_solutions/grafo5165.42.sol'

