
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:40:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11242.41.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/grafo11242.41.lp
Reading time = 0.13 seconds
: 72536 rows, 2282 columns, 219572 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 72536 rows, 2282 columns and 219572 nonzeros
Model fingerprint: 0xe3703e4d
Variable types: 48 continuous, 2234 integer (2234 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]
Presolve removed 9841 rows and 10 columns
Presolve time: 0.67s
Presolved: 62695 rows, 2272 columns, 190442 nonzeros
Variable types: 0 continuous, 2272 integer (2224 binary)
Root relaxation presolved: 2239 rows, 64934 columns, 192714 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16925    4.3956890e+01   0.000000e+00   1.965662e+03      5s
   22449    4.4000000e+01   0.000000e+00   0.000000e+00      6s
   22449    4.4000000e+01   0.000000e+00   0.000000e+00      6s
   22449    4.4000000e+01   0.000000e+00   0.000000e+00      6s

Root relaxation: objective 4.400000e+01, 22449 iterations, 5.54 seconds (3.13 work units)
Total elapsed time = 18.47s (DegenMoves)
Total elapsed time = 20.04s (DegenMoves)

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

     0     0   44.00000    0  543          -   44.00000      -     -   21s
H    0     0                       9.0000000   44.00000   389%     -   25s
H    0     0                      13.0000000   44.00000   238%     -   25s
     0     0   44.00000    0  663   13.00000   44.00000   238%     -   31s
     0     0   44.00000    0  647   13.00000   44.00000   238%     -   32s
     0     0   44.00000    0  795   13.00000   44.00000   238%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 40
  Cover: 22
  Clique: 9
  MIR: 114
  Zero half: 28
  RLT: 58
  BQP: 1

Explored 1 nodes (47651 simplex iterations) in 50.10 seconds (30.77 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 13 9 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.400000000000e+01, gap 238.4615%

Wrote result file './lp_solutions/grafo11242.41.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:38:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11242.41.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/grafo11242.41.lp
Reading time = 0.17 seconds
: 72536 rows, 2282 columns, 219572 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 72536 rows, 2282 columns and 219572 nonzeros
Model fingerprint: 0xe3703e4d
Variable types: 48 continuous, 2234 integer (2234 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]
Presolve removed 9841 rows and 10 columns
Presolve time: 0.85s
Presolved: 62695 rows, 2272 columns, 190442 nonzeros
Variable types: 0 continuous, 2272 integer (2224 binary)
Root relaxation presolved: 2239 rows, 64934 columns, 192714 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   15143    4.3957858e+01   0.000000e+00   2.288367e+03      5s
   22449    4.4000000e+01   0.000000e+00   0.000000e+00      7s
   22449    4.4000000e+01   0.000000e+00   0.000000e+00      7s
   22449    4.4000000e+01   0.000000e+00   0.000000e+00      7s

Root relaxation: objective 4.400000e+01, 22449 iterations, 5.94 seconds (3.13 work units)
Total elapsed time = 16.84s (DegenMoves)

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

     0     0   44.00000    0  543          -   44.00000      -     -   19s
H    0     0                       9.0000000   44.00000   389%     -   23s
H    0     0                      13.0000000   44.00000   238%     -   23s
     0     0   44.00000    0  663   13.00000   44.00000   238%     -   29s
     0     0   44.00000    0  647   13.00000   44.00000   238%     -   30s
     0     0   44.00000    0  795   13.00000   44.00000   238%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 40
  Cover: 22
  Clique: 9
  MIR: 114
  Zero half: 28
  RLT: 58
  BQP: 1

Explored 1 nodes (46563 simplex iterations) in 50.11 seconds (29.45 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 13 9 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.400000000000e+01, gap 238.4615%

Wrote result file './lp_solutions/grafo11242.41.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 04:45:22 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11242.41.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/grafo11242.41.lp
Reading time = 0.11 seconds
: 72536 rows, 2282 columns, 219572 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 72536 rows, 2282 columns and 219572 nonzeros
Model fingerprint: 0xe3703e4d
Variable types: 48 continuous, 2234 integer (2234 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]
Presolve removed 9841 rows and 10 columns
Presolve time: 0.41s
Presolved: 62695 rows, 2272 columns, 190442 nonzeros
Variable types: 0 continuous, 2272 integer (2224 binary)
Root relaxation presolved: 2239 rows, 64934 columns, 192714 nonzeros


Root relaxation: objective 4.400000e+01, 22449 iterations, 3.77 seconds (3.13 work units)
Total elapsed time = 11.79s (DegenMoves)

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

     0     0   44.00000    0  543          -   44.00000      -     -   13s
H    0     0                       9.0000000   44.00000   389%     -   15s
H    0     0                      13.0000000   44.00000   238%     -   15s
     0     0   44.00000    0  663   13.00000   44.00000   238%     -   19s
     0     0   44.00000    0  647   13.00000   44.00000   238%     -   20s
     0     0   44.00000    0  740   13.00000   44.00000   238%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 40
  Cover: 22
  Clique: 9
  MIR: 114
  Zero half: 28
  RLT: 58
  BQP: 1

Explored 1 nodes (60855 simplex iterations) in 50.06 seconds (45.54 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 13 9 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.400000000000e+01, gap 238.4615%

Wrote result file './lp_solutions/grafo11242.41.sol'

