mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-08-03 01:40:22 +00:00
Code Activity

debugging imdds and fixed bug in horn subsumption model transformer

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-10-10 17:56:37 -07:00
parent a50d8d6b6c
commit 233f7fd53b
14 changed files with 297 additions and 70 deletions
Download patch file Download diff file Expand all files Collapse all files

11
lib/dl_bmc_engine.cpp
View file

@ -97,9 +97,9 @@ namespace datalog {
return check_linear();
}
else {
check_nonlinear();
IF_VERBOSE(1, verbose_stream() << "non-linear BMC is not supported\n";);
return l_undef;
return check_nonlinear();
}
}
@ -640,14 +640,19 @@ namespace datalog {
lbool bmc::check_query() {
sort* trace_sort = m_pred2sort.find(m_query_pred);
func_decl_ref q = mk_predicate(m_query_pred);
assert_expr(m.mk_app(q, m.mk_const(symbol("trace"), trace_sort), m.mk_const(symbol("path"),m_path_sort)));
expr_ref trace(m), path(m);
trace = m.mk_const(symbol("trace"), trace_sort);
path = m.mk_const(symbol("path"),m_path_sort);
assert_expr(m.mk_app(q, trace, path));
lbool is_sat = m_solver.check();
if (is_sat == l_undef) {
model_ref md;
proof_ref pr(m);
m_solver.get_model(md);
IF_VERBOSE(2, model_smt2_pp(verbose_stream(), m, *md, 0););
md->eval(trace, trace);
IF_VERBOSE(2, verbose_stream() << mk_pp(trace, m) << "\n";);
IF_VERBOSE(2, m_solver.display(verbose_stream()););
}
return is_sat;
}