
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:15:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6271.44.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/grafo6271.44.lp
Reading time = 0.15 seconds
: 60345 rows, 2155 columns, 182658 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 60345 rows, 2155 columns and 182658 nonzeros
Model fingerprint: 0xbb3f31b7
Variable types: 45 continuous, 2110 integer (2110 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 3488 rows and 1 columns
Presolve time: 0.50s
Presolved: 56857 rows, 2154 columns, 172462 nonzeros
Variable types: 0 continuous, 2154 integer (2109 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 29423 rows, 29588 columns, 117594 nonzeros


Root relaxation: objective 3.400000e+01, 4263 iterations, 3.44 seconds (2.11 work units)
Total elapsed time = 10.97s (DegenMoves)
Total elapsed time = 15.51s (DegenMoves)

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

     0     0   34.00000    0  611    6.00000   34.00000   467%     -   15s
H    0     0                       7.0000000   34.00000   386%     -   15s
H    0     0                       8.0000000   34.00000   325%     -   16s
H    0     0                       9.0000000   34.00000   278%     -   20s
H    0     0                      10.0000000   34.00000   240%     -   20s
     0     0   34.00000    0  865   10.00000   34.00000   240%     -   33s
     0     0   34.00000    0  864   10.00000   34.00000   240%     -   34s
     0     0   34.00000    0  893   10.00000   34.00000   240%     -   50s

Cutting planes:
  Gomory: 4
  Lift-and-project: 21
  Cover: 9
  MIR: 106
  StrongCG: 1
  Zero half: 15
  RLT: 48

Explored 1 nodes (28770 simplex iterations) in 50.08 seconds (28.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... 6

Time limit reached
Best objective 1.000000000000e+01, best bound 3.400000000000e+01, gap 240.0000%

Wrote result file './lp_solutions/grafo6271.44.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 05:10:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6271.44.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/grafo6271.44.lp
Reading time = 0.13 seconds
: 60345 rows, 2155 columns, 182658 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 60345 rows, 2155 columns and 182658 nonzeros
Model fingerprint: 0xbb3f31b7
Variable types: 45 continuous, 2110 integer (2110 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 3488 rows and 1 columns
Presolve time: 0.46s
Presolved: 56857 rows, 2154 columns, 172462 nonzeros
Variable types: 0 continuous, 2154 integer (2109 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 29423 rows, 29588 columns, 117594 nonzeros


Root relaxation: objective 3.400000e+01, 4263 iterations, 3.64 seconds (2.11 work units)
Total elapsed time = 11.09s (DegenMoves)
Total elapsed time = 15.58s (DegenMoves)

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

     0     0   34.00000    0  611    6.00000   34.00000   467%     -   15s
H    0     0                       7.0000000   34.00000   386%     -   15s
H    0     0                       8.0000000   34.00000   325%     -   15s
H    0     0                       9.0000000   34.00000   278%     -   19s
H    0     0                      10.0000000   34.00000   240%     -   19s
     0     0   34.00000    0  865   10.00000   34.00000   240%     -   33s
     0     0   34.00000    0  864   10.00000   34.00000   240%     -   34s
     0     0   34.00000    0  893   10.00000   34.00000   240%     -   50s

Cutting planes:
  Gomory: 4
  Lift-and-project: 21
  Cover: 9
  MIR: 106
  StrongCG: 1
  Zero half: 15
  RLT: 48

Explored 1 nodes (28879 simplex iterations) in 50.07 seconds (28.95 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... 6

Time limit reached
Best objective 1.000000000000e+01, best bound 3.400000000000e+01, gap 240.0000%

Wrote result file './lp_solutions/grafo6271.44.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 06:13:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6271.44.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/grafo6271.44.lp
Reading time = 0.11 seconds
: 60345 rows, 2155 columns, 182658 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 60345 rows, 2155 columns and 182658 nonzeros
Model fingerprint: 0xbb3f31b7
Variable types: 45 continuous, 2110 integer (2110 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 3488 rows and 1 columns
Presolve time: 0.38s
Presolved: 56857 rows, 2154 columns, 172462 nonzeros
Variable types: 0 continuous, 2154 integer (2109 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 29423 rows, 29588 columns, 117594 nonzeros


Root relaxation: objective 3.400000e+01, 4263 iterations, 3.01 seconds (2.11 work units)
Total elapsed time = 9.44s (DegenMoves)
Total elapsed time = 10.87s (DegenMoves)

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

     0     0   34.00000    0  611    6.00000   34.00000   467%     -   13s
H    0     0                       7.0000000   34.00000   386%     -   13s
H    0     0                       8.0000000   34.00000   325%     -   13s
H    0     0                       9.0000000   34.00000   278%     -   16s
H    0     0                      10.0000000   34.00000   240%     -   16s
     0     0   34.00000    0  865   10.00000   34.00000   240%     -   27s
     0     0   34.00000    0  864   10.00000   34.00000   240%     -   28s
     0     0   34.00000    0  893   10.00000   34.00000   240%     -   50s

Cutting planes:
  Gomory: 4
  Lift-and-project: 21
  Cover: 9
  MIR: 106
  StrongCG: 1
  Zero half: 15
  RLT: 48

Explored 1 nodes (34627 simplex iterations) in 50.06 seconds (34.22 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... 6

Time limit reached
Best objective 1.000000000000e+01, best bound 3.400000000000e+01, gap 240.0000%

Wrote result file './lp_solutions/grafo6271.44.sol'

