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fixing interpolation bugs

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This commit is contained in:
Ken McMillan 2013-11-01 11:03:55 -07:00
parent 81df4932fb
commit ac212ec54c
8 changed files with 336 additions and 293 deletions
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13
src/interp/iz3checker.cpp
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@ -96,6 +96,19 @@ struct iz3checker : iz3base {
lbool result = s->check_sat(0,0);
if(result != l_false){
err << "interpolant " << i << " is incorrect";
s->pop(1);
for(unsigned j = 0; j < theory.size(); j++)
s->assert_expr(to_expr(theory[j].raw()));
for(unsigned j = 0; j < cnsts.size(); j++)
if(in_range(j,range_downward(i)))
s->assert_expr(to_expr(cnsts[j].raw()));
if(i != num-1)
s->assert_expr(to_expr(mk_not(itp[i]).raw()));
lbool result = s->check_sat(0,0);
if(result != l_false)
err << "interpolant " << i << " is not implied by its downeard closurn";
return false;
}
s->pop(1);