
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 05:26:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2932.40.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/grafo2932.40.lp
Reading time = 0.29 seconds
: 125211 rows, 2823 columns, 378453 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 125211 rows, 2823 columns and 378453 nonzeros
Model fingerprint: 0x2038b67f
Variable types: 57 continuous, 2766 integer (2766 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 27810 rows and 1 columns
Presolve time: 1.07s
Presolved: 97401 rows, 2822 columns, 295474 nonzeros
Variable types: 0 continuous, 2822 integer (2765 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 2795 rows, 100196 columns, 298296 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   14723    7.6805501e+01   0.000000e+00   1.983286e+05      5s
   28147    7.1727553e+01   0.000000e+00   8.759694e+04     10s
   41148    7.1687212e+01   0.000000e+00   2.920692e+04     15s
   54540    7.1670798e+01   0.000000e+00   4.726227e+04     20s
   67068    7.1662952e+01   0.000000e+00   2.989817e+04     25s
   79164    7.1659457e+01   0.000000e+00   3.340775e+03     30s
   91692    7.1658051e+01   0.000000e+00   1.187583e+03     35s
   96542    7.2000000e+01   0.000000e+00   0.000000e+00     37s
   96542    7.2000000e+01   0.000000e+00   0.000000e+00     37s
   96542    7.2000000e+01   0.000000e+00   0.000000e+00     37s

Root relaxation: objective 7.200000e+01, 96542 iterations, 35.95 seconds (20.20 work units)

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

     0     0   72.00000    0 1763   12.00000   72.00000   500%     -   50s

Explored 1 nodes (101942 simplex iterations) in 50.04 seconds (31.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 12 2 

Time limit reached
Best objective 1.200000000000e+01, best bound 7.200000000000e+01, gap 500.0000%

Wrote result file './lp_solutions/grafo2932.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 04:01:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2932.40.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/grafo2932.40.lp
Reading time = 0.20 seconds
: 125211 rows, 2823 columns, 378453 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 125211 rows, 2823 columns and 378453 nonzeros
Model fingerprint: 0x2038b67f
Variable types: 57 continuous, 2766 integer (2766 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 27810 rows and 1 columns
Presolve time: 0.70s
Presolved: 97401 rows, 2822 columns, 295474 nonzeros
Variable types: 0 continuous, 2822 integer (2765 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 2795 rows, 100196 columns, 298296 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20078    7.3764538e+01   0.000000e+00   1.480885e+05      5s
   37691    7.1694530e+01   0.000000e+00   5.529438e+04     10s
   55836    7.1669801e+01   0.000000e+00   2.152418e+04     15s
   73548    7.1660702e+01   0.000000e+00   4.850091e+03     20s
   91260    7.1658071e+01   0.000000e+00   4.003632e+02     25s
   96542    7.2000000e+01   0.000000e+00   0.000000e+00     27s
   96542    7.2000000e+01   0.000000e+00   0.000000e+00     27s
   96542    7.2000000e+01   0.000000e+00   0.000000e+00     27s

Root relaxation: objective 7.200000e+01, 96542 iterations, 25.75 seconds (20.20 work units)

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

     0     0   72.00000    0 1763   12.00000   72.00000   500%     -   50s

Explored 1 nodes (108589 simplex iterations) in 50.03 seconds (42.62 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 12 2 

Time limit reached
Best objective 1.200000000000e+01, best bound 7.200000000000e+01, gap 500.0000%

Wrote result file './lp_solutions/grafo2932.40.sol'

