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Implement get_proof() in bmc and spacer engines

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This commit is contained in:
Arie Gurfinkel 2019-08-12 11:03:50 -04:00 • committed by Nikolaj Bjorner
parent 876cfb4dc9
commit 375c0ff9a9
4 changed files with 8 additions and 8 deletions
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6
src/muz/bmc/dl_bmc_engine.cpp
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@ -1537,10 +1537,14 @@ namespace datalog {
// m_solver->reset_statistics(); // m_solver->reset_statistics();
} }
expr_ref bmc::get_answer() { expr_ref bmc::get_answer() {
return m_answer; return m_answer;
} }
proof_ref bmc::get_proof() {
return proof_ref(to_app(m_answer), m);
}
void bmc::get_rules_along_trace(datalog::rule_ref_vector& rules) { void bmc::get_rules_along_trace(datalog::rule_ref_vector& rules) {
rules.append(m_rule_trace); rules.append(m_rule_trace);
} }

3
src/muz/bmc/dl_bmc_engine.h
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@ -63,7 +63,8 @@ namespace datalog {
void reset_statistics() override; void reset_statistics() override;
void get_rules_along_trace(datalog::rule_ref_vector& rules) override; void get_rules_along_trace(datalog::rule_ref_vector& rules) override;
expr_ref get_answer() override; expr_ref get_answer() override;
proof_ref get_proof() override;
// direct access to (new) non-linear compiler. // direct access to (new) non-linear compiler.
void compile(rule_set const& rules, expr_ref_vector& fmls, unsigned level); void compile(rule_set const& rules, expr_ref_vector& fmls, unsigned level);

5
src/muz/spacer/spacer_context.cpp
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@ -2909,11 +2909,6 @@ model_ref context::get_model()
return model; return model;
} }
proof_ref context::get_proof() const
{
return proof_ref (m);
}
expr_ref context::get_answer() expr_ref context::get_answer()
{ {
switch(m_last_result) { switch(m_last_result) {

2
src/muz/spacer/spacer_context.h
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@ -1109,7 +1109,7 @@ public:
expr_ref get_reachable (func_decl* p); expr_ref get_reachable (func_decl* p);
void add_invariant (func_decl *pred, expr* property); void add_invariant (func_decl *pred, expr* property);
model_ref get_model(); model_ref get_model();
proof_ref get_proof() const; proof_ref get_proof() const {return get_ground_refutation();}
expr_ref get_constraints (unsigned lvl); expr_ref get_constraints (unsigned lvl);
void add_constraint (expr *c, unsigned lvl); void add_constraint (expr *c, unsigned lvl);