| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 147 of 147 | 0% | 26 of 26 | 0% | 17 | 17 | 38 | 38 | 4 | 4 |
| subtract(IAnyAtomicItem, IAnyAtomicItem) | | 0% | | 0% | 14 | 14 | 34 | 34 | 1 | 1 |
| Subtraction(IExpression, IExpression) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| accept(IExpressionVisitor, Object) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| operation(IAnyAtomicItem, IAnyAtomicItem) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |