
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:42:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7301.40.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/grafo7301.40.lp
Reading time = 0.12 seconds
: 56115 rows, 2041 columns, 170005 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 56115 rows, 2041 columns and 170005 nonzeros
Model fingerprint: 0x9e37d0c6
Variable types: 46 continuous, 1995 integer (1995 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 3913 rows and 1 columns
Presolve time: 0.50s
Presolved: 52202 rows, 2040 columns, 158582 nonzeros
Variable types: 0 continuous, 2040 integer (1994 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 27142 rows, 27100 columns, 108462 nonzeros


Root relaxation: objective 3.400000e+01, 2864 iterations, 1.53 seconds (0.90 work units)
Total elapsed time = 5.14s (DegenMoves)

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

     0     0   34.00000    0  488    8.00000   34.00000   325%     -    5s
H    0     0                       9.0000000   34.00000   278%     -    5s
H    0     0                      10.0000000   34.00000   240%     -    5s
     0     0   34.00000    0  849   10.00000   34.00000   240%     -   18s
     0     0   34.00000    0  810   10.00000   34.00000   240%     -   19s
     0     0   34.00000    0  837   10.00000   34.00000   240%     -   50s

Cutting planes:
  Gomory: 6
  Lift-and-project: 31
  Cover: 6
  MIR: 105
  StrongCG: 1
  Zero half: 26
  RLT: 50

Explored 1 nodes (29883 simplex iterations) in 50.08 seconds (25.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 1 

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

Wrote result file './lp_solutions/grafo7301.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 05:01:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7301.40.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/grafo7301.40.lp
Reading time = 0.14 seconds
: 56115 rows, 2041 columns, 170005 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 56115 rows, 2041 columns and 170005 nonzeros
Model fingerprint: 0x9e37d0c6
Variable types: 46 continuous, 1995 integer (1995 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 3913 rows and 1 columns
Presolve time: 0.46s
Presolved: 52202 rows, 2040 columns, 158582 nonzeros
Variable types: 0 continuous, 2040 integer (1994 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 27142 rows, 27100 columns, 108462 nonzeros


Root relaxation: objective 3.400000e+01, 2864 iterations, 1.35 seconds (0.90 work units)

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

     0     0   34.00000    0  488    8.00000   34.00000   325%     -    4s
H    0     0                       9.0000000   34.00000   278%     -    4s
H    0     0                      10.0000000   34.00000   240%     -    4s
     0     0   34.00000    0  849   10.00000   34.00000   240%     -   18s
     0     0   34.00000    0  810   10.00000   34.00000   240%     -   19s
     0     0   34.00000    0  837   10.00000   34.00000   240%     -   50s

Cutting planes:
  Gomory: 6
  Lift-and-project: 31
  Cover: 6
  MIR: 105
  StrongCG: 1
  Zero half: 26
  RLT: 50

Explored 1 nodes (28175 simplex iterations) in 50.08 seconds (24.62 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 1 

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

Wrote result file './lp_solutions/grafo7301.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 06:04:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7301.40.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/grafo7301.40.lp
Reading time = 0.10 seconds
: 56115 rows, 2041 columns, 170005 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 56115 rows, 2041 columns and 170005 nonzeros
Model fingerprint: 0x9e37d0c6
Variable types: 46 continuous, 1995 integer (1995 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 3913 rows and 1 columns
Presolve time: 0.41s
Presolved: 52202 rows, 2040 columns, 158582 nonzeros
Variable types: 0 continuous, 2040 integer (1994 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 27142 rows, 27100 columns, 108462 nonzeros


Root relaxation: objective 3.400000e+01, 2864 iterations, 1.26 seconds (0.90 work units)

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

     0     0   34.00000    0  488    8.00000   34.00000   325%     -    4s
H    0     0                       9.0000000   34.00000   278%     -    4s
H    0     0                      10.0000000   34.00000   240%     -    4s
     0     0   34.00000    0  849   10.00000   34.00000   240%     -   16s
     0     0   34.00000    0  810   10.00000   34.00000   240%     -   16s
     0     0   34.00000    0  593   10.00000   34.00000   240%     -   50s

Cutting planes:
  Gomory: 6
  Lift-and-project: 31
  Cover: 6
  MIR: 105
  StrongCG: 1
  Zero half: 26
  RLT: 50

Explored 1 nodes (36541 simplex iterations) in 50.06 seconds (32.45 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 8 1 

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

Wrote result file './lp_solutions/grafo7301.40.sol'

