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add facility to add lemmas

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-06-12 19:44:02 -07:00
parent af6ebbcd92
commit ce592d7716
16 changed files with 111 additions and 21 deletions
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15
src/sat/tactic/goal2sat.cpp
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@ -67,6 +67,7 @@ struct goal2sat::imp {
expr_ref_vector m_interpreted_atoms;
bool m_default_external;
bool m_xor_solver;
bool m_is_lemma;
imp(ast_manager & _m, params_ref const & p, sat::solver & s, atom2bool_var & map, dep2asm_map& dep2asm, bool default_external):
m(_m),
@ -77,7 +78,8 @@ struct goal2sat::imp {
m_dep2asm(dep2asm),
m_trail(m),
m_interpreted_atoms(m),
m_default_external(default_external) {
m_default_external(default_external),
m_is_lemma(false) {
updt_params(p);
m_true = sat::null_bool_var;
}
@ -98,19 +100,21 @@ struct goal2sat::imp {
m_solver.mk_clause(1, &l);
}
void set_lemma_mode(bool f) { m_is_lemma = f; }
void mk_clause(sat::literal l1, sat::literal l2) {
TRACE("goal2sat", tout << "mk_clause: " << l1 << " " << l2 << "\n";);
m_solver.mk_clause(l1, l2);
m_solver.mk_clause(l1, l2, m_is_lemma);
}
void mk_clause(sat::literal l1, sat::literal l2, sat::literal l3) {
TRACE("goal2sat", tout << "mk_clause: " << l1 << " " << l2 << " " << l3 << "\n";);
m_solver.mk_clause(l1, l2, l3);
m_solver.mk_clause(l1, l2, l3, m_is_lemma);
}
void mk_clause(unsigned num, sat::literal * lits) {
TRACE("goal2sat", tout << "mk_clause: "; for (unsigned i = 0; i < num; i++) tout << lits[i] << " "; tout << "\n";);
m_solver.mk_clause(num, lits);
m_solver.mk_clause(num, lits, m_is_lemma);
}
sat::bool_var mk_true() {
@ -863,9 +867,10 @@ struct goal2sat::scoped_set_imp {
};
void goal2sat::operator()(goal const & g, params_ref const & p, sat::solver & t, atom2bool_var & m, dep2asm_map& dep2asm, bool default_external) {
void goal2sat::operator()(goal const & g, params_ref const & p, sat::solver & t, atom2bool_var & m, dep2asm_map& dep2asm, bool default_external, bool is_lemma) {
imp proc(g.m(), p, t, m, dep2asm, default_external);
scoped_set_imp set(this, &proc);
proc.set_lemma_mode(is_lemma);
proc(g);
dealloc(m_interpreted_atoms);
m_interpreted_atoms = alloc(expr_ref_vector, g.m());