void ComputationManager::initializeDepqbf() {
depqbf = qdpll_create();
std::string depMan = "--dep-man=qdag";
std::vector<char> depManC(depMan.begin(), depMan.end());
depManC.push_back('\0');
qdpll_configure(depqbf, &depManC[0]);
for (unsigned int level = 1; level <= app.getInputInstance()->getQuantifierSequence().size(); level++) {
NTYPE quantifier = app.getInputInstance()->quantifier(level);
switch (quantifier) {
case NTYPE::EXISTS:
qdpll_new_scope(depqbf, QDPLL_QTYPE_EXISTS);
break;
case NTYPE::FORALL:
qdpll_new_scope(depqbf, QDPLL_QTYPE_FORALL);
break;
default:
; //error
}
for (htd::vertex_t vertex : app.getInputInstance()->hypergraph->internalGraph().vertices()) {
unsigned int vertexLevel = htd::accessLabel<int>(app.getInputInstance()->hypergraph->internalGraph().vertexLabel("level", vertex));
if (level == vertexLevel) {
qdpll_add(depqbf, vertex);
}
}
qdpll_add(depqbf, 0); // end scope
}
for (htd::Hyperedge edge : app.getInputInstance()->hypergraph->internalGraph().hyperedges()) {
htd::id_t edgeId = edge.id();
const std::vector<bool> &edgeSigns = htd::accessLabel < std::vector<bool>>(app.getInputInstance()->hypergraph->edgeLabel("signs", edgeId));
std::vector<bool>::const_iterator index = edgeSigns.begin();
for (const auto& vertex : edge) {
if (*index) {
qdpll_add(depqbf, vertex);
} else {
qdpll_add(depqbf, -vertex);
}
index++;
}
qdpll_add(depqbf, 0); // end clause
}
qdpll_init_deps(depqbf);
}
JNIEXPORT jint JNICALL Java_depqbf4j_DepQBF4J_newScope (JNIEnv * env, jclass cls, jbyte qType) {
return qdpll_new_scope(solver,qType);
}
static void
parse (QDPLLApp * app, QDPLL * qdpll, FILE * in, int trace)
{
int col = 0, line = 0, neg = 0, preamble_found = 0;
LitID num = 0;
QDPLLQuantifierType scope_type = QDPLL_QTYPE_UNDEF;
assert (in);
int c;
while ((c = getc (in)) != EOF)
{
PARSER_SKIP_SPACE_WHILE (c);
while (c == 'c')
{
while ((c = getc (in)) != '\n' && c != EOF)
;
c = getc (in);
}
PARSER_SKIP_SPACE_WHILE (c);
if (c == 'p')
{
/* parse preamble */
PARSER_SKIP_SPACE_DO_WHILE (c);
if (c != 'c')
goto MALFORMED_PREAMBLE;
PARSER_SKIP_SPACE_DO_WHILE (c);
if (c != 'n')
goto MALFORMED_PREAMBLE;
PARSER_SKIP_SPACE_DO_WHILE (c);
if (c != 'f')
goto MALFORMED_PREAMBLE;
PARSER_SKIP_SPACE_DO_WHILE (c);
if (!isdigit (c))
goto MALFORMED_PREAMBLE;
/* read number of variables */
PARSER_READ_NUM (num, c);
if (trace == TRACE_QRP)
fprintf (stdout, "p qrp %u", num);
else if (trace == TRACE_BQRP)
fprintf (stdout, "p bqrp %u", num);
PARSER_SKIP_SPACE_WHILE (c);
if (!isdigit (c))
goto MALFORMED_PREAMBLE;
/* read number of clauses */
PARSER_READ_NUM (num, c);
/* NOTE: number of steps is number of orig. clauses, as we can't tell
the actual, future number of steps when tracing on-the-fly! */
if (trace)
fprintf (stdout, " %u%c", num, trace == TRACE_QRP ? '\n' : 0);
preamble_found = 1;
goto PARSE_SCOPE_OR_CLAUSE;
MALFORMED_PREAMBLE:
QDPLL_ABORT_APP (1, "malformed preamble!\n");
return;
}
else
{
QDPLL_ABORT_APP (1, "expecting preamble!\n");
return;
}
PARSE_SCOPE_OR_CLAUSE:
PARSER_SKIP_SPACE_WHILE (c);
if (c == 'a' || c == 'e')
{
/* open a new scope */
if (c == 'a')
scope_type = QDPLL_QTYPE_FORALL;
else
scope_type = QDPLL_QTYPE_EXISTS;
qdpll_new_scope (qdpll, scope_type);
PARSER_SKIP_SPACE_DO_WHILE (c);
}
if (!isdigit (c) && c != '-')
{
if (c == EOF)
return;
QDPLL_ABORT_APP (1, "expecting digit or '-'!\n");
return;
}
else
{
if (c == '-')
{
neg = 1;
if (!isdigit ((c = getc (in))))
{
QDPLL_ABORT_APP (1, "expecting digit!\n");
return;
}
}
/* parse a literal or variable ID */
PARSER_READ_NUM (num, c);
num = neg ? -num : num;
qdpll_add (qdpll, num);
neg = 0;
goto PARSE_SCOPE_OR_CLAUSE;
}
}
if (!preamble_found)
QDPLL_ABORT_APP (1, "preamble missing!\n");
}
