
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:32:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3105.25.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/grafo3105.25.lp
Reading time = 0.10 seconds
: 60833 rows, 1060 columns, 183333 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 60833 rows, 1060 columns and 183333 nonzeros
Model fingerprint: 0x6c930b58
Variable types: 32 continuous, 1028 integer (1028 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 1.0000000
Presolve removed 26145 rows and 13 columns
Presolve time: 0.41s
Presolved: 34688 rows, 1047 columns, 105136 nonzeros
Variable types: 0 continuous, 1047 integer (1015 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1041 rows, 35729 columns, 106183 nonzeros


Root relaxation: objective 3.400000e+01, 1671 iterations, 0.41 seconds (0.54 work units)
Total elapsed time = 5.50s (DegenMoves)

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

     0     0   34.00000    0  314    3.00000   34.00000  1033%     -    7s
H    0     0                       4.0000000   34.00000   750%     -    7s
H    0     0                       5.0000000   34.00000   580%     -    7s
     0     0   34.00000    0  429    5.00000   34.00000   580%     -    9s
H    0     0                       7.0000000   34.00000   386%     -    9s
     0     0   34.00000    0  386    7.00000   34.00000   386%     -    9s
H    0     0                       8.0000000   34.00000   325%     -   16s
     0     0   34.00000    0  364    8.00000   34.00000   325%     -   16s
     0     0   34.00000    0  336    8.00000   34.00000   325%     -   17s
     0     0   34.00000    0  366    8.00000   34.00000   325%     -   22s
     0     0   34.00000    0  354    8.00000   34.00000   325%     -   23s
     0     0   34.00000    0  272    8.00000   34.00000   325%     -   28s
     0     0   34.00000    0  374    8.00000   34.00000   325%     -   29s
     0     0   34.00000    0  291    8.00000   34.00000   325%     -   33s
     0     0   34.00000    0  296    8.00000   34.00000   325%     -   34s
     0     0   34.00000    0  309    8.00000   34.00000   325%     -   39s
     0     0   34.00000    0  291    8.00000   34.00000   325%     -   39s
     0     0   34.00000    0  246    8.00000   34.00000   325%     -   47s
     0     0   34.00000    0  246    8.00000   34.00000   325%     -   48s

Cutting planes:
  Gomory: 2
  Clique: 4
  MIR: 10
  Zero half: 1
  RLT: 7

Explored 1 nodes (66451 simplex iterations) in 50.02 seconds (52.52 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 8 7 5 ... 1

Time limit reached
Best objective 8.000000000000e+00, best bound 3.400000000000e+01, gap 325.0000%

Wrote result file './lp_solutions/grafo3105.25.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 09:27:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3105.25.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/grafo3105.25.lp
Reading time = 0.10 seconds
: 60833 rows, 1060 columns, 183333 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 60833 rows, 1060 columns and 183333 nonzeros
Model fingerprint: 0x6c930b58
Variable types: 32 continuous, 1028 integer (1028 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 1.0000000
Presolve removed 26145 rows and 13 columns
Presolve time: 0.39s
Presolved: 34688 rows, 1047 columns, 105136 nonzeros
Variable types: 0 continuous, 1047 integer (1015 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1041 rows, 35729 columns, 106183 nonzeros


Root relaxation: objective 3.400000e+01, 1671 iterations, 0.40 seconds (0.54 work units)
Total elapsed time = 5.41s (DegenMoves)

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

     0     0   34.00000    0  314    3.00000   34.00000  1033%     -    6s
H    0     0                       4.0000000   34.00000   750%     -    6s
H    0     0                       5.0000000   34.00000   580%     -    7s
     0     0   34.00000    0  429    5.00000   34.00000   580%     -    9s
H    0     0                       7.0000000   34.00000   386%     -    9s
     0     0   34.00000    0  386    7.00000   34.00000   386%     -    9s
H    0     0                       8.0000000   34.00000   325%     -   16s
     0     0   34.00000    0  364    8.00000   34.00000   325%     -   16s
     0     0   34.00000    0  336    8.00000   34.00000   325%     -   16s
     0     0   34.00000    0  366    8.00000   34.00000   325%     -   22s
     0     0   34.00000    0  354    8.00000   34.00000   325%     -   22s
     0     0   34.00000    0  272    8.00000   34.00000   325%     -   28s
     0     0   34.00000    0  374    8.00000   34.00000   325%     -   29s
     0     0   34.00000    0  291    8.00000   34.00000   325%     -   33s
     0     0   34.00000    0  296    8.00000   34.00000   325%     -   34s
     0     0   34.00000    0  309    8.00000   34.00000   325%     -   39s
     0     0   34.00000    0  291    8.00000   34.00000   325%     -   39s
     0     0   34.00000    0  246    8.00000   34.00000   325%     -   47s
     0     0   34.00000    0  246    8.00000   34.00000   325%     -   48s

Cutting planes:
  Gomory: 2
  Clique: 4
  MIR: 10
  Zero half: 1
  RLT: 7

Explored 1 nodes (66451 simplex iterations) in 50.01 seconds (53.12 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 8 7 5 ... 1

Time limit reached
Best objective 8.000000000000e+00, best bound 3.400000000000e+01, gap 325.0000%

Wrote result file './lp_solutions/grafo3105.25.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 02:31:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3105.25.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/grafo3105.25.lp
Reading time = 0.17 seconds
: 60833 rows, 1060 columns, 183333 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 60833 rows, 1060 columns and 183333 nonzeros
Model fingerprint: 0x6c930b58
Variable types: 32 continuous, 1028 integer (1028 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 1.0000000
Presolve removed 26145 rows and 13 columns
Presolve time: 0.40s
Presolved: 34688 rows, 1047 columns, 105136 nonzeros
Variable types: 0 continuous, 1047 integer (1015 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1041 rows, 35729 columns, 106183 nonzeros


Root relaxation: objective 3.400000e+01, 1671 iterations, 0.41 seconds (0.54 work units)
Total elapsed time = 5.66s (DegenMoves)

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

     0     0   34.00000    0  314    3.00000   34.00000  1033%     -    7s
H    0     0                       4.0000000   34.00000   750%     -    7s
H    0     0                       5.0000000   34.00000   580%     -    7s
     0     0   34.00000    0  429    5.00000   34.00000   580%     -    9s
H    0     0                       7.0000000   34.00000   386%     -   10s
     0     0   34.00000    0  386    7.00000   34.00000   386%     -   10s
H    0     0                       8.0000000   34.00000   325%     -   16s
     0     0   34.00000    0  364    8.00000   34.00000   325%     -   16s
     0     0   34.00000    0  336    8.00000   34.00000   325%     -   17s
     0     0   34.00000    0  366    8.00000   34.00000   325%     -   23s
     0     0   34.00000    0  354    8.00000   34.00000   325%     -   23s
     0     0   34.00000    0  272    8.00000   34.00000   325%     -   29s
     0     0   34.00000    0  374    8.00000   34.00000   325%     -   29s
     0     0   34.00000    0  291    8.00000   34.00000   325%     -   34s
     0     0   34.00000    0  296    8.00000   34.00000   325%     -   34s
     0     0   34.00000    0  309    8.00000   34.00000   325%     -   40s
     0     0   34.00000    0  291    8.00000   34.00000   325%     -   40s
     0     0   34.00000    0  246    8.00000   34.00000   325%     -   48s
     0     0   34.00000    0  246    8.00000   34.00000   325%     -   48s

Cutting planes:
  Gomory: 2
  Clique: 4
  MIR: 10
  Zero half: 1
  RLT: 7

Explored 1 nodes (66451 simplex iterations) in 50.03 seconds (52.27 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 8 7 5 ... 1

Time limit reached
Best objective 8.000000000000e+00, best bound 3.400000000000e+01, gap 325.0000%

Wrote result file './lp_solutions/grafo3105.25.sol'

