int* s_contr (solver* s)
{
delete [] s->contr;
s->contr = new int[s->conflict.size()+1];
for (int i = 0; i < s->conflict.size(); i++)
s->contr[i] = toDimacs(s->conflict[i]);
s->contr[s->conflict.size()] = 0;
return s->contr;
}
void SimpSMTSolver::toDimacs(const char* file)
{
assert(decisionLevel() == 0);
FILE* f = fopen(file, "wr");
if (f != NULL){
// Cannot use removeClauses here because it is not safe
// to deallocate them at this point. Could be improved.
int cnt = 0;
for (int i = 0; i < clauses.size(); i++)
if (!satisfied(*clauses[i]))
cnt++;
fprintf(f, "p cnf %d %d\n", nVars(), cnt);
for (int i = 0; i < clauses.size(); i++)
toDimacs(f, *clauses[i]);
fprintf(stderr, "Wrote %d clauses...\n", clauses.size());
}else
fprintf(stderr, "could not open file %s\n", file);
}
int s_newlit (solver* s) { return toDimacs(s->mkLit()); }
// reading the value of a predicate (location)
int solver_lit_read (solver* w) {
// creates variables if they don't exists!! (fix?)
int lit = toDimacs(Lit(w->loc->get(*w, w->args, w->dummy), !w->sig));
return lit;
}
void s_add (solver* s, int a, int b, int c, int* carry, int* sum){
Lit _carry, _sum;
s->mkAdd(fromDimacs(a), fromDimacs(b), fromDimacs(c),_carry,_sum);
*carry = toDimacs(_carry);
*sum = toDimacs(_sum);
}
int s_ite (solver* s, int c, int t, int f) { return toDimacs(s->mkIte(fromDimacs(c), fromDimacs(t), fromDimacs(f))); }
int s_xor (solver* s, int x, int y) { return toDimacs(s->mkXor(fromDimacs(x), fromDimacs(y))); }
int s_equ (solver* s, int x, int y) { return toDimacs(s->mkEqu(fromDimacs(x), fromDimacs(y))); }
int s_and (solver* s, int x, int y) { return toDimacs(s->mkAnd(fromDimacs(x), fromDimacs(y))); }