
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 04:15:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1541.33.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/grafo1541.33.lp
Reading time = 0.08 seconds
: 41444 rows, 1510 columns, 125501 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 41444 rows, 1510 columns and 125501 nonzeros
Model fingerprint: 0x2134a39e
Variable types: 39 continuous, 1471 integer (1471 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 -0.0000000
Presolve removed 7534 rows and 36 columns
Presolve time: 0.33s
Presolved: 33910 rows, 1474 columns, 103263 nonzeros
Variable types: 0 continuous, 1474 integer (1435 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 19315 rows, 16069 columns, 74073 nonzeros


Root relaxation: objective 3.700000e+01, 3347 iterations, 1.89 seconds (1.20 work units)
Total elapsed time = 5.33s (DegenMoves)

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

     0     0   37.00000    0  433   11.00000   37.00000   236%     -    7s
     0     0   37.00000    0  749   11.00000   37.00000   236%     -   17s
     0     0   37.00000    0  690   11.00000   37.00000   236%     -   18s
H    0     0                      12.0000000   37.00000   208%     -   46s
     0     0   37.00000    0  457   12.00000   37.00000   208%     -   48s
     0     0   37.00000    0  444   12.00000   37.00000   208%     -   49s

Cutting planes:
  Cover: 31
  Clique: 2
  MIR: 150
  StrongCG: 1
  GUB cover: 6
  RLT: 11

Explored 1 nodes (52124 simplex iterations) in 50.30 seconds (34.92 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 -0 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.700000000000e+01, gap 208.3333%

Wrote result file './lp_solutions/grafo1541.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 11:37:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1541.33.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/grafo1541.33.lp
Reading time = 0.07 seconds
: 41444 rows, 1510 columns, 125501 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 41444 rows, 1510 columns and 125501 nonzeros
Model fingerprint: 0x2134a39e
Variable types: 39 continuous, 1471 integer (1471 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 -0.0000000
Presolve removed 7534 rows and 36 columns
Presolve time: 0.27s
Presolved: 33910 rows, 1474 columns, 103263 nonzeros
Variable types: 0 continuous, 1474 integer (1435 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 19315 rows, 16069 columns, 74073 nonzeros


Root relaxation: objective 3.700000e+01, 3347 iterations, 1.30 seconds (1.20 work units)

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

     0     0   37.00000    0  433   11.00000   37.00000   236%     -    5s
     0     0   37.00000    0  749   11.00000   37.00000   236%     -   11s
     0     0   37.00000    0  690   11.00000   37.00000   236%     -   12s
H    0     0                      12.0000000   37.00000   208%     -   36s
     0     0   37.00000    0  457   12.00000   37.00000   208%     -   37s
     0     0   37.00000    0  444   12.00000   37.00000   208%     -   38s
     0     0   37.00000    0  425   12.00000   37.00000   208%     -   50s

Cutting planes:
  Cover: 27
  Clique: 2
  MIR: 142
  StrongCG: 1
  GUB cover: 9
  Zero half: 71
  RLT: 48

Explored 1 nodes (67241 simplex iterations) in 50.03 seconds (44.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 -0 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.700000000000e+01, gap 208.3333%

Wrote result file './lp_solutions/grafo1541.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 04:40:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1541.33.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/grafo1541.33.lp
Reading time = 0.07 seconds
: 41444 rows, 1510 columns, 125501 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 41444 rows, 1510 columns and 125501 nonzeros
Model fingerprint: 0x2134a39e
Variable types: 39 continuous, 1471 integer (1471 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 -0.0000000
Presolve removed 7534 rows and 36 columns
Presolve time: 0.28s
Presolved: 33910 rows, 1474 columns, 103263 nonzeros
Variable types: 0 continuous, 1474 integer (1435 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 19315 rows, 16069 columns, 74073 nonzeros


Root relaxation: objective 3.700000e+01, 3347 iterations, 1.31 seconds (1.20 work units)
Total elapsed time = 5.04s (DegenMoves)

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

     0     0   37.00000    0  433   11.00000   37.00000   236%     -    5s
     0     0   37.00000    0  749   11.00000   37.00000   236%     -   12s
     0     0   37.00000    0  690   11.00000   37.00000   236%     -   13s
H    0     0                      12.0000000   37.00000   208%     -   34s
     0     0   37.00000    0  457   12.00000   37.00000   208%     -   35s
     0     0   37.00000    0  444   12.00000   37.00000   208%     -   35s
     0     0   37.00000    0  394   12.00000   37.00000   208%     -   50s

Cutting planes:
  Cover: 27
  Clique: 2
  MIR: 142
  StrongCG: 1
  GUB cover: 9
  Zero half: 71
  RLT: 48

Explored 1 nodes (73420 simplex iterations) in 50.05 seconds (48.69 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 -0 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.700000000000e+01, gap 208.3333%

Wrote result file './lp_solutions/grafo1541.33.sol'

