| Option | Description | Default |
| AlgFileType | File type of scratch files | 1 |
| Cheat | optCheat solver default
Range: [-∞, ∞] | 0 |
| CurSolver | Solver id of the last gevcallsolver | 0 |
| CutOff | CutOff solver default
Range: [-∞, ∞] | 0 |
| DomLim | Domain violation limit solver default | 0 |
| FDDelta | Step size for finite differences
Range: [1e-9, 1] | 1e-5 |
| FDOpt | Options for finite differences
Range: [0, 14] | 0 |
| GamsVersion | GAMS CMEX Version | 999 |
| GenSolver | Indicator for generic solver executable | 0 |
| HeapLimit | Maximum Heap size allowed | 1e20 |
| IDEFlag | IDE Flag
0 unknown environment
1 runs under GAMS IDE | 0 |
| Integer1 |
Range: [-∞, ∞] | 0 |
| Integer2 |
Range: [-∞, ∞] | 0 |
| Integer3 |
Range: [-∞, ∞] | 0 |
| Integer4 |
Range: [-∞, ∞] | 0 |
| Integer5 |
Range: [-∞, ∞] | 0 |
| IterLim | Iteration limit solver default | 2000000000 |
| Keep | Keep scratch directory
Range: [0, 1] | 0 |
| License1 | License line 1 | |
| License2 | License line 2 | |
| License3 | License line 3 | |
| License4 | License line 4 | |
| License5 | License line 5 | |
| LogOption | Log option
0 no log output
1 log output to screen (console)
2 log output to logfile
3 log output to standard output
4 log output to logfile and standard output | 1 |
| NameCtrFile | Control file name | |
| NameCurDir | Current directory | |
| NameExtFFile | External Function file name | |
| NameGamsDate | GAMS Date | |
| NameGamsTime | GAMS Time | |
| NameInstr | Instruction file name | |
| NameLogFile | Log file name | |
| NameMatrix | Matrix file name | |
| NameParams | Parameter file name | |
| NameScenFile | Scenario file name | |
| NameScrDir | Scratch directory | |
| NameScrExt | Scratch extension | dat |
| NameStaFile | Status file name | |
| NameSysDir | System directory | |
| NameWrkDir | Working directory | |
| NodeLim | Node limit solver default | 0 |
| OptCA | optAbsolute Optimality criterion solver default | 0 |
| OptCR | optRelative Optimality criterion solver default | 0.1 |
| PageSize | Output file page size | 78 |
| PageWidth | Output file page width | 123 |
| Real1 |
Range: [-∞, ∞] | 0 |
| Real2 |
Range: [-∞, ∞] | 0 |
| Real3 |
Range: [-∞, ∞] | 0 |
| Real4 |
Range: [-∞, ∞] | 0 |
| Real5 |
Range: [-∞, ∞] | 0 |
| Reform | Reform option | 100 |
| ResLim | Resource (CPU) solver default limit | 1000 |
| SysOut | Solver Status file reporting option
Range: [0, 1] | 0 |
| ThreadsRaw |
Range: [-∞, ∞] | 1 |
| TryInt | TryInt solver default | 0 |
| UseCheat | UseCheat solver default | 0 |
| UseCutOff | UseCutOff solver default | 0 |
| WorkFactor | Work space multiplier for some solvers | 1 |
| WorkSpace | Work space for some solvers | 0 |