
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:23:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2973.37.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/grafo2973.37.lp
Reading time = 0.09 seconds
: 40067 rows, 1614 columns, 121350 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 40067 rows, 1614 columns and 121350 nonzeros
Model fingerprint: 0x3ac6a89f
Variable types: 39 continuous, 1575 integer (1575 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 4081 rows and 40 columns
Presolve time: 0.43s
Presolved: 35986 rows, 1574 columns, 109440 nonzeros
Variable types: 0 continuous, 1574 integer (1535 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 19077 rows, 18483 columns, 75622 nonzeros


Root relaxation: objective 3.300000e+01, 1651 iterations, 0.58 seconds (0.36 work units)

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

     0     0   33.00000    0  325    6.00000   33.00000   450%     -    5s
H    0     0                       7.0000000   33.00000   371%     -    5s
H    0     0                       8.0000000   33.00000   312%     -    7s
H    0     0                       9.0000000   33.00000   267%     -   12s
     0     0   33.00000    0  586    9.00000   33.00000   267%     -   12s
     0     0   33.00000    0  542    9.00000   33.00000   267%     -   13s
     0     0   33.00000    0  416    9.00000   33.00000   267%     -   29s
     0     0   33.00000    0  415    9.00000   33.00000   267%     -   29s
     0     0   33.00000    0  335    9.00000   33.00000   267%     -   38s
H    0     0                      10.0000000   33.00000   230%     -   40s
     0     0   33.00000    0  378   10.00000   33.00000   230%     -   40s
     0     0   33.00000    0  502   10.00000   33.00000   230%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 14
  MIR: 162
  GUB cover: 8
  Zero half: 58
  RLT: 47

Explored 1 nodes (49674 simplex iterations) in 50.05 seconds (28.45 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 3.300000000000e+01, gap 230.0000%

Wrote result file './lp_solutions/grafo2973.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:34:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2973.37.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/grafo2973.37.lp
Reading time = 0.09 seconds
: 40067 rows, 1614 columns, 121350 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 40067 rows, 1614 columns and 121350 nonzeros
Model fingerprint: 0x3ac6a89f
Variable types: 39 continuous, 1575 integer (1575 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 4081 rows and 40 columns
Presolve time: 0.35s
Presolved: 35986 rows, 1574 columns, 109440 nonzeros
Variable types: 0 continuous, 1574 integer (1535 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 19077 rows, 18483 columns, 75622 nonzeros


Root relaxation: objective 3.300000e+01, 1651 iterations, 0.55 seconds (0.36 work units)

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

     0     0   33.00000    0  325    6.00000   33.00000   450%     -    5s
H    0     0                       7.0000000   33.00000   371%     -    5s
H    0     0                       8.0000000   33.00000   312%     -    6s
H    0     0                       9.0000000   33.00000   267%     -   11s
     0     0   33.00000    0  586    9.00000   33.00000   267%     -   11s
     0     0   33.00000    0  542    9.00000   33.00000   267%     -   12s
     0     0   33.00000    0  416    9.00000   33.00000   267%     -   27s
     0     0   33.00000    0  415    9.00000   33.00000   267%     -   28s
     0     0   33.00000    0  335    9.00000   33.00000   267%     -   37s
H    0     0                      10.0000000   33.00000   230%     -   38s
     0     0   33.00000    0  378   10.00000   33.00000   230%     -   38s
     0     0   33.00000    0  502   10.00000   33.00000   230%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 14
  MIR: 162
  GUB cover: 8
  Zero half: 58
  RLT: 47

Explored 1 nodes (51294 simplex iterations) in 50.05 seconds (29.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 3.300000000000e+01, gap 230.0000%

Wrote result file './lp_solutions/grafo2973.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:37:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2973.37.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/grafo2973.37.lp
Reading time = 0.07 seconds
: 40067 rows, 1614 columns, 121350 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 40067 rows, 1614 columns and 121350 nonzeros
Model fingerprint: 0x3ac6a89f
Variable types: 39 continuous, 1575 integer (1575 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 4081 rows and 40 columns
Presolve time: 0.29s
Presolved: 35986 rows, 1574 columns, 109440 nonzeros
Variable types: 0 continuous, 1574 integer (1535 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 19077 rows, 18483 columns, 75622 nonzeros


Root relaxation: objective 3.300000e+01, 1651 iterations, 0.46 seconds (0.36 work units)

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

     0     0   33.00000    0  325    6.00000   33.00000   450%     -    4s
H    0     0                       7.0000000   33.00000   371%     -    4s
H    0     0                       8.0000000   33.00000   312%     -    5s
H    0     0                       9.0000000   33.00000   267%     -    9s
     0     0   33.00000    0  586    9.00000   33.00000   267%     -    9s
     0     0   33.00000    0  542    9.00000   33.00000   267%     -   10s
     0     0   33.00000    0  416    9.00000   33.00000   267%     -   22s
     0     0   33.00000    0  415    9.00000   33.00000   267%     -   23s
     0     0   33.00000    0  335    9.00000   33.00000   267%     -   30s
H    0     0                      10.0000000   33.00000   230%     -   31s
     0     0   33.00000    0  378   10.00000   33.00000   230%     -   31s
H    0     0                      11.0000000   33.00000   200%     -   40s
     0     0   33.00000    0  415   11.00000   33.00000   200%     -   40s
     0     0   33.00000    0  416   11.00000   33.00000   200%     -   41s
     0     0   33.00000    0  571   11.00000   33.00000   200%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 25
  MIR: 167
  StrongCG: 2
  GUB cover: 4
  Zero half: 21
  RLT: 42

Explored 1 nodes (62078 simplex iterations) in 50.04 seconds (36.16 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 11 10 9 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 3.300000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo2973.37.sol'

