
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:36:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7088.43.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/grafo7088.43.lp
Reading time = 0.24 seconds
: 91324 rows, 2652 columns, 276396 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 91324 rows, 2652 columns and 276396 nonzeros
Model fingerprint: 0x83134241
Variable types: 54 continuous, 2598 integer (2598 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]
Found heuristic solution: objective 2.0000000
Presolve removed 10724 rows and 1 columns
Presolve time: 0.85s
Presolved: 80600 rows, 2651 columns, 244546 nonzeros
Variable types: 0 continuous, 2651 integer (2597 binary)
Found heuristic solution: objective 13.0000000
Root relaxation presolved: 2615 rows, 83215 columns, 247197 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   14035    5.3957558e+01   0.000000e+00   1.773709e+05      5s
   27509    5.3936774e+01   0.000000e+00   6.571832e+04     10s
   41619    5.3927619e+01   0.000000e+00   7.992867e+03     15s
   54668    5.3923590e+01   0.000000e+00   1.333911e+04     20s
   68607    5.3921804e+01   0.000000e+00   4.112959e+02     25s
   74512    5.4000000e+01   0.000000e+00   0.000000e+00     27s
   74512    5.4000000e+01   0.000000e+00   0.000000e+00     27s
   74512    5.4000000e+01   0.000000e+00   0.000000e+00     27s

Root relaxation: objective 5.400000e+01, 74512 iterations, 26.38 seconds (16.85 work units)

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

     0     0   54.00000    0 1766   13.00000   54.00000   315%     -   50s

Explored 1 nodes (85717 simplex iterations) in 50.06 seconds (32.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 13 2 

Time limit reached
Best objective 1.300000000000e+01, best bound 5.400000000000e+01, gap 315.3846%

Wrote result file './lp_solutions/grafo7088.43.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 05:08:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7088.43.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/grafo7088.43.lp
Reading time = 0.26 seconds
: 91324 rows, 2652 columns, 276396 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 91324 rows, 2652 columns and 276396 nonzeros
Model fingerprint: 0x83134241
Variable types: 54 continuous, 2598 integer (2598 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]
Found heuristic solution: objective 2.0000000
Presolve removed 10724 rows and 1 columns
Presolve time: 0.69s
Presolved: 80600 rows, 2651 columns, 244546 nonzeros
Variable types: 0 continuous, 2651 integer (2597 binary)
Found heuristic solution: objective 13.0000000
Root relaxation presolved: 2615 rows, 83215 columns, 247197 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   14769    5.3955531e+01   0.000000e+00   1.209163e+05      5s
   28655    5.3935832e+01   0.000000e+00   7.357930e+04     10s
   42642    5.3927166e+01   0.000000e+00   1.321724e+04     15s
   54668    5.3923590e+01   0.000000e+00   1.333911e+04     20s
   68022    5.3921835e+01   0.000000e+00   2.495349e+02     25s
   74512    5.4000000e+01   0.000000e+00   0.000000e+00     27s
   74512    5.4000000e+01   0.000000e+00   0.000000e+00     27s
   74512    5.4000000e+01   0.000000e+00   0.000000e+00     28s

Root relaxation: objective 5.400000e+01, 74512 iterations, 26.68 seconds (16.85 work units)

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

     0     0   54.00000    0 1766   13.00000   54.00000   315%     -   50s

Explored 1 nodes (85109 simplex iterations) in 50.04 seconds (32.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 13 2 

Time limit reached
Best objective 1.300000000000e+01, best bound 5.400000000000e+01, gap 315.3846%

Wrote result file './lp_solutions/grafo7088.43.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 06:11:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7088.43.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/grafo7088.43.lp
Reading time = 0.16 seconds
: 91324 rows, 2652 columns, 276396 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 91324 rows, 2652 columns and 276396 nonzeros
Model fingerprint: 0x83134241
Variable types: 54 continuous, 2598 integer (2598 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]
Found heuristic solution: objective 2.0000000
Presolve removed 10724 rows and 1 columns
Presolve time: 0.58s
Presolved: 80600 rows, 2651 columns, 244546 nonzeros
Variable types: 0 continuous, 2651 integer (2597 binary)
Found heuristic solution: objective 13.0000000
Root relaxation presolved: 2615 rows, 83215 columns, 247197 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16912    5.3951355e+01   0.000000e+00   1.001105e+05      5s
   32455    5.3932608e+01   0.000000e+00   9.663938e+03     10s
   48208    5.3925271e+01   0.000000e+00   5.783433e+03     15s
   63712    5.3922148e+01   0.000000e+00   1.043732e+03     20s
   74512    5.4000000e+01   0.000000e+00   0.000000e+00     24s
   74512    5.4000000e+01   0.000000e+00   0.000000e+00     24s
   74512    5.4000000e+01   0.000000e+00   0.000000e+00     24s

Root relaxation: objective 5.400000e+01, 74512 iterations, 22.91 seconds (16.85 work units)

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

     0     0   54.00000    0 1766   13.00000   54.00000   315%     -   50s

Explored 1 nodes (90150 simplex iterations) in 50.03 seconds (37.27 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 13 2 

Time limit reached
Best objective 1.300000000000e+01, best bound 5.400000000000e+01, gap 315.3846%

Wrote result file './lp_solutions/grafo7088.43.sol'

