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gurobi.log
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Gurobi 9.1.0 (mac64, Python) logging started Tue Jan 12 19:24:27 2021
Using license file /Users/dibartolomeo.s/gurobi.lic
Set parameter LogFile to value gurobi.log
Academic license - for non-commercial use only - expires 2021-02-05
Gurobi 9.1.0 (mac64, gurobi_cl) logging started Tue Jan 12 19:24:43 2021
Using license file /Users/dibartolomeo.s/gurobi.lic
Set parameter LogFile to value gurobi.log
Academic license - for non-commercial use only - expires 2021-02-05
Gurobi 9.1.0 (mac64, gurobi_cl) logging started Tue Jan 12 19:25:18 2021
Using license file /Users/dibartolomeo.s/gurobi.lic
Set parameter LogFile to value gurobi.log
Academic license - for non-commercial use only - expires 2021-02-05
Gurobi Optimizer version 9.1.0 build v9.1.0rc0 (mac64)
Copyright (c) 2020, Gurobi Optimization, LLC
Error 10012: Unknown file type for file './gurobi_problems/1.txt'
Gurobi 9.1.0 (mac64, gurobi_cl) logging started Tue Jan 12 19:25:43 2021
Using license file /Users/dibartolomeo.s/gurobi.lic
Set parameter LogFile to value gurobi.log
Academic license - for non-commercial use only - expires 2021-02-05
Gurobi Optimizer version 9.1.0 build v9.1.0rc0 (mac64)
Copyright (c) 2020, Gurobi Optimization, LLC
Read LP format model from file ./gurobi_problems/1.lp
Reading time = 0.00 seconds
: 44 rows, 36 columns, 132 nonzeros
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads
Optimize a model with 44 rows, 36 columns and 132 nonzeros
Model fingerprint: 0x2aa0ccaf
Variable types: 0 continuous, 36 integer (36 binary)
Coefficient statistics:
Matrix range [1e+00, 1e+00]
Objective range [1e+00, 1e+00]
Bounds range [1e+00, 1e+00]
RHS range [1e+00, 1e+00]
Found heuristic solution: objective 2.0000000
Presolve removed 20 rows and 16 columns
Presolve time: 0.01s
Presolved: 24 rows, 20 columns, 72 nonzeros
Found heuristic solution: objective 0.0000000
Variable types: 0 continuous, 20 integer (20 binary)
Explored 0 nodes (0 simplex iterations) in 0.01 seconds
Thread count was 8 (of 8 available processors)
Solution count 2: 0 2
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0000%
Gurobi 9.1.0 (mac64, gurobi_cl) logging started Tue Jan 12 19:26:40 2021
Using license file /Users/dibartolomeo.s/gurobi.lic
Set parameter LogFile to value gurobi.log
Academic license - for non-commercial use only - expires 2021-02-05
Gurobi Optimizer version 9.1.0 build v9.1.0rc0 (mac64)
Copyright (c) 2020, Gurobi Optimization, LLC
Read LP format model from file ./gurobi_problems/1.lp
Reading time = 0.00 seconds
: 44 rows, 36 columns, 132 nonzeros
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads
Optimize a model with 44 rows, 36 columns and 132 nonzeros
Model fingerprint: 0x2aa0ccaf
Variable types: 0 continuous, 36 integer (36 binary)
Coefficient statistics:
Matrix range [1e+00, 1e+00]
Objective range [1e+00, 1e+00]
Bounds range [1e+00, 1e+00]
RHS range [1e+00, 1e+00]
Found heuristic solution: objective 2.0000000
Presolve removed 20 rows and 16 columns
Presolve time: 0.00s
Presolved: 24 rows, 20 columns, 72 nonzeros
Found heuristic solution: objective 0.0000000
Variable types: 0 continuous, 20 integer (20 binary)
Explored 0 nodes (0 simplex iterations) in 0.00 seconds
Thread count was 8 (of 8 available processors)
Solution count 2: 0 2
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0000%
Wrote result file './gurobi_solutions/1.sol'
Gurobi 9.1.0 (mac64, gurobi_cl) logging started Tue Jan 12 19:38:48 2021
Using license file /Users/dibartolomeo.s/gurobi.lic
Set parameter LogFile to value gurobi.log
Academic license - for non-commercial use only - expires 2021-02-05
Gurobi Optimizer version 9.1.0 build v9.1.0rc0 (mac64)
Copyright (c) 2020, Gurobi Optimization, LLC
Read LP format model from file ./gurobi_problems/1.lp
Reading time = 0.00 seconds
: 772 rows, 359 columns, 2316 nonzeros
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads
Optimize a model with 772 rows, 359 columns and 2316 nonzeros
Model fingerprint: 0x49d0e88c
Variable types: 0 continuous, 359 integer (359 binary)
Coefficient statistics:
Matrix range [1e+00, 1e+00]
Objective range [1e+00, 1e+00]
Bounds range [1e+00, 1e+00]
RHS range [1e+00, 1e+00]
Found heuristic solution: objective 56.0000000
Presolve removed 84 rows and 69 columns
Presolve time: 0.01s
Presolved: 688 rows, 290 columns, 2064 nonzeros
Found heuristic solution: objective 30.0000000
Variable types: 0 continuous, 290 integer (290 binary)
Root relaxation: objective 0.000000e+00, 126 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
* 0 0 0 0.0000000 0.00000 0.00% - 0s
Explored 0 nodes (126 simplex iterations) in 0.01 seconds
Thread count was 8 (of 8 available processors)
Solution count 3: 0 30 56
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0000%
Wrote result file './gurobi_solutions/1.sol'
Gurobi 9.1.0 (mac64, gurobi_cl) logging started Tue Jan 12 19:39:16 2021
Using license file /Users/dibartolomeo.s/gurobi.lic
Set parameter LogFile to value gurobi.log
Academic license - for non-commercial use only - expires 2021-02-05
Gurobi Optimizer version 9.1.0 build v9.1.0rc0 (mac64)
Copyright (c) 2020, Gurobi Optimization, LLC
Warning: lp file contains 4 repeated variable(s) in constraints, grouped them, 4 cancellation
Read LP format model from file ./gurobi_problems/1.lp
Reading time = 0.00 seconds
: 1256 rows, 521 columns, 3768 nonzeros
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads
Optimize a model with 1256 rows, 521 columns and 3768 nonzeros
Model fingerprint: 0xfb0f7255
Variable types: 0 continuous, 521 integer (521 binary)
Coefficient statistics:
Matrix range [1e+00, 1e+00]
Objective range [1e+00, 1e+00]
Bounds range [1e+00, 1e+00]
RHS range [1e+00, 1e+00]
Found heuristic solution: objective 104.0000000
Presolve removed 86 rows and 76 columns
Presolve time: 0.01s
Presolved: 1170 rows, 445 columns, 3510 nonzeros
Found heuristic solution: objective 69.0000000
Variable types: 0 continuous, 445 integer (445 binary)
Root relaxation: objective 0.000000e+00, 219 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 0.00000 0 168 69.00000 0.00000 100% - 0s
H 0 0 48.0000000 0.00000 100% - 0s
H 0 0 42.0000000 0.00000 100% - 0s
H 0 0 23.0000000 0.00000 100% - 0s
0 0 3.33333 0 178 23.00000 3.33333 85.5% - 0s
H 0 0 7.0000000 3.33333 52.4% - 0s
H 0 0 6.0000000 3.33333 44.4% - 0s
H 0 0 5.0000000 3.33333 33.3% - 0s
H 0 0 4.0000000 3.33333 16.7% - 0s
Cutting planes:
Gomory: 1
Zero half: 9
Explored 1 nodes (502 simplex iterations) in 0.06 seconds
Thread count was 8 (of 8 available processors)
Solution count 9: 4 5 6 ... 104
Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0000%
Wrote result file './gurobi_solutions/1.sol'
Gurobi 9.1.0 (mac64, gurobi_cl) logging started Tue Jan 12 19:40:02 2021
Using license file /Users/dibartolomeo.s/gurobi.lic
Set parameter LogFile to value gurobi.log
Academic license - for non-commercial use only - expires 2021-02-05
Gurobi Optimizer version 9.1.0 build v9.1.0rc0 (mac64)
Copyright (c) 2020, Gurobi Optimization, LLC
Error 10003: Unable to open file 'help' for input