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Add function for reverting formula slicing #4064

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Merged
merged 1 commit into from
Feb 4, 2019
Merged

Add function for reverting formula slicing #4064

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9 changes: 9 additions & 0 deletions src/goto-symex/slice.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -262,3 +262,12 @@ void simple_slice(symex_target_equationt &equation)
s_it->ignore=true;
}
}

void revert_slice(symex_target_equationt &equation)
{
// set ignore to false
for(auto step : equation.SSA_steps)
{
step.ignore = false;
}
}
3 changes: 3 additions & 0 deletions src/goto-symex/slice.h
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Expand Up @@ -19,6 +19,9 @@ Author: Daniel Kroening, [email protected]
// slice an equation with respect to the assertions contained therein
void slice(symex_target_equationt &equation);

/// Undo whatever has been done by `slice`
void revert_slice(symex_target_equationt &);

// this simply slices away anything after the last assertion
void simple_slice(symex_target_equationt &equation);

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