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https://github.com/Z3Prover/z3
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fixes to mostly solver arith/euf and backtracking scopes
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parent
1ee2ba2a9b
commit
8d76470a8a
25 changed files with 189 additions and 93 deletions
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@ -109,7 +109,13 @@ namespace sat {
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void solver::set_extension(extension* ext) {
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m_ext = ext;
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if (ext) ext->set_solver(this);
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if (ext) {
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ext->set_solver(this);
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for (unsigned i = num_user_scopes(); i-- > 0;)
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ext->user_push();
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for (unsigned i = num_scopes(); i-- > 0;)
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ext->push();
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}
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}
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void solver::copy(solver const & src, bool copy_learned) {
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@ -3622,6 +3628,8 @@ namespace sat {
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lit = literal(new_v, false);
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m_user_scope_literals.push_back(lit);
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m_cut_simplifier = nullptr; // for simplicity, wipe it out
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if (m_ext)
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m_ext->user_push();
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TRACE("sat", tout << "user_push: " << lit << "\n";);
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}
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@ -3704,6 +3712,8 @@ namespace sat {
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void solver::user_pop(unsigned num_scopes) {
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pop_to_base_level();
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TRACE("sat", display(tout););
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if (m_ext)
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m_ext->user_pop(num_scopes);
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while (num_scopes > 0) {
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literal lit = m_user_scope_literals.back();
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m_user_scope_literals.pop_back();
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