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fixes to mostly solver arith/euf and backtracking scopes

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This commit is contained in:
Nikolaj Bjorner 2020-10-26 11:06:34 -07:00
parent 1ee2ba2a9b
commit 8d76470a8a
25 changed files with 189 additions and 93 deletions
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src/sat/sat_extension.h
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@ -96,6 +96,8 @@ namespace sat {
virtual void push() = 0;
void push_scopes(unsigned n) { for (unsigned i = 0; i < n; ++i) push(); }
virtual void pop(unsigned n) = 0;
virtual void user_push() { push(); }
virtual void user_pop(unsigned n) { pop(n); }
virtual void pre_simplify() {}
virtual void simplify() {}
// have a way to replace l by r in all constraints