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fix unbound variables bug in duality_dl_interface

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This commit is contained in:
Ken McMillan 2014-05-20 15:10:16 -07:00
parent 95146483ea
commit b91cca8db9
1 changed files with 18 additions and 0 deletions
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18
src/muz/duality/duality_dl_interface.cpp
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@ -35,6 +35,7 @@ Revision History:
#include "model_smt2_pp.h" #include "model_smt2_pp.h"
#include "model_v2_pp.h" #include "model_v2_pp.h"
#include "fixedpoint_params.hpp" #include "fixedpoint_params.hpp"
#include "used_vars.h"
// template class symbol_table<family_id>; // template class symbol_table<family_id>;
@ -164,6 +165,20 @@ lbool dl_interface::query(::expr * query) {
clauses.push_back(e); clauses.push_back(e);
} }
std::vector<sort> b_sorts;
std::vector<symbol> b_names;
used_vars uv;
uv.process(query);
unsigned nuv = uv.get_max_found_var_idx_plus_1();
for(int i = nuv-1; i >= 0; i--){ // var indices are backward
::sort * s = uv.get(i);
if(!s)
s = _d->ctx.m().mk_bool_sort(); // missing var, whatever
b_sorts.push_back(sort(_d->ctx,s));
b_names.push_back(symbol(_d->ctx,::symbol(i))); // names?
}
#if 0
// turn the query into a clause // turn the query into a clause
expr q(_d->ctx,m_ctx.bind_variables(query,false)); expr q(_d->ctx,m_ctx.bind_variables(query,false));
@ -177,6 +192,9 @@ lbool dl_interface::query(::expr * query) {
} }
q = q.arg(0); q = q.arg(0);
} }
#else
expr q(_d->ctx,query);
#endif
expr qc = implies(q,_d->ctx.bool_val(false)); expr qc = implies(q,_d->ctx.bool_val(false));
qc = _d->ctx.make_quant(Forall,b_sorts,b_names,qc); qc = _d->ctx.make_quant(Forall,b_sorts,b_names,qc);