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handle eq-propagate arithetic rule

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This commit is contained in:
Ken McMillan 2013-11-08 16:18:48 -08:00
parent 763ae0d246
commit 749f95c9d7
5 changed files with 166 additions and 14 deletions
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31
src/interp/iz3base.cpp
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@ -24,6 +24,8 @@ Revision History:
#include <fstream>
#include <iostream>
#include <ostream>
#include "solver.h"
#include "../smt/smt_solver.h"
#ifndef WIN32
@ -254,16 +256,25 @@ void iz3base::check_interp(const std::vector<ast> &itps, std::vector<ast> &theor
#endif
}
bool iz3base::is_sat(ast f){
assert(0 && "iz3base::is_sat() not implemented");
#if 0
Z3_push(ctx);
Z3_assert_cnstr(ctx,f);
Z3_lbool res = Z3_check(ctx);
Z3_pop(ctx,1);
return res != Z3_L_FALSE;
#endif
return false;
bool iz3base::is_sat(const std::vector<ast> &q, ast &_proof){
params_ref p;
p.set_bool("proof", true); // this is currently useless
p.set_bool("model", true);
p.set_bool("unsat_core", true);
scoped_ptr<solver_factory> sf = mk_smt_solver_factory();
::solver *m_solver = (*sf)(m(), p, true, true, true, ::symbol::null);
::solver &s = *m_solver;
for(unsigned i = 0; i < q.size(); i++)
s.assert_expr(to_expr(q[i].raw()));
lbool res = s.check_sat(0,0);
if(res == l_false){
::ast *proof = s.get_proof();
_proof = cook(proof);
}
dealloc(m_solver);
return res != l_false;
}