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speed up consequence finding by avoiding local search whenver assumption level is reached during the initial phase

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-10-27 08:15:39 -07:00
parent 485372ec2a
commit 24fc19ed58
6 changed files with 29 additions and 9 deletions
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8
src/solver/combined_solver.cpp
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@ -197,7 +197,13 @@ public:
virtual lbool get_consequences(expr_ref_vector const& asms, expr_ref_vector const& vars, expr_ref_vector& consequences) {
switch_inc_mode();
m_use_solver1_results = false;
return m_solver2->get_consequences(asms, vars, consequences);
try {
return m_solver2->get_consequences(asms, vars, consequences);
}
catch (z3_exception& ex) {
set_reason_unknown(ex.msg());
}
return l_undef;
}
virtual lbool check_sat(unsigned num_assumptions, expr * const * assumptions) {