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enable unsat core extraction in nlsat_tactic

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-11-01 17:57:28 +01:00
parent 84172302a2
commit 305e080239
9 changed files with 46 additions and 20 deletions
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9
src/smt/tactic/smt_tactic.cpp
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@ -138,6 +138,7 @@ public:
proof_converter_ref & pc,
expr_dependency_ref & core) {
try {
mc = 0; pc = 0; core = 0;
SASSERT(in->is_well_sorted());
ast_manager & m = in->m();
TRACE("smt_tactic", tout << this << "\nAUTO_CONFIG: " << fparams().m_auto_config << " HIDIV0: " << fparams().m_hi_div0 << " "
@ -206,8 +207,6 @@ public:
mc = model2model_converter(md.get());
mc = concat(fmc.get(), mc.get());
}
pc = 0;
core = 0;
return;
}
case l_false: {
@ -229,12 +228,10 @@ public:
expr * d = bool2dep.find(b);
lcore = m.mk_join(lcore, m.mk_leaf(d));
}
core = lcore;
}
in->assert_expr(m.mk_false(), pr, lcore);
result.push_back(in.get());
mc = 0;
pc = 0;
core = 0;
return;
}
case l_undef:
@ -257,8 +254,6 @@ public:
m_ctx->get_model(md);
mc = model2model_converter(md.get());
}
pc = 0;
core = 0;
return;
default:
break;