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/********************* */
/*! \file options_handlers.h
** \verbatim
** Original author: mdeters
** Major contributors: none
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010, 2011 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief Custom handlers and predicates for DecisionEngine options
**
** Custom handlers and predicates for DecisionEngine options.
**/
#include "cvc4_private.h"
#ifndef __CVC4__DECISION__OPTIONS_HANDLERS_H
#define __CVC4__DECISION__OPTIONS_HANDLERS_H
#include "decision/decision_mode.h"
#include "main/options.h"
namespace CVC4 {
namespace decision {
static const std::string decisionModeHelp = "\
Decision modes currently supported by the --decision option:\n\
\n\
internal (default)\n\
+ Use the internal decision hueristics of the SAT solver\n\
\n\
justification\n\
+ An ATGP-inspired justification heuristic\n\
\n\
justification-stoponly\n\
+ Use the justification heuristic only to stop early, not for decisions\n\
\n\
relevancy\n\
+ Under development may-relevancy\n\
\n\
relevancy-leaves\n\
+ May-relevancy, but decide only on leaves\n\
\n\
Developer modes:\n\
\n\
justification-rel\n\
+ Use the relevancy code to do the justification stuff\n\
+ (This should do exact same thing as justification)\n\
\n\
justification-must\n\
+ Start deciding on literals close to root instead of those\n\
+ near leaves (don't expect it to work well) [Unimplemented]\n\
";
inline DecisionMode stringToDecisionMode(std::string option, std::string optarg, SmtEngine* smt) throw(OptionException) {
options::decisionRelevancyLeaves.set(false);
options::decisionMaxRelTimeAsPermille.set(1000);
options::decisionComputeRelevancy.set(true);
options::decisionMustRelevancy.set(false);
options::decisionStopOnly.set(false);
if(optarg == "internal") {
return DECISION_STRATEGY_INTERNAL;
} else if(optarg == "justification") {
return DECISION_STRATEGY_JUSTIFICATION;
} else if(optarg == "justification-stoponly") {
options::decisionStopOnly.set(true);
return DECISION_STRATEGY_JUSTIFICATION;
} else if(optarg == "relevancy") {
options::decisionRelevancyLeaves.set(false);
return DECISION_STRATEGY_RELEVANCY;
} else if(optarg == "relevancy-leaves") {
options::decisionRelevancyLeaves.set(true);
Trace("options") << "version is " << options::version() << std::endl;
return DECISION_STRATEGY_RELEVANCY;
} else if(optarg == "justification-rel") {
// relevancyLeaves : irrelevant
// maxRelTimeAsPermille : irrelevant
options::decisionComputeRelevancy.set(false);
options::decisionMustRelevancy.set(false);
return DECISION_STRATEGY_RELEVANCY;
} else if(optarg == "justification-must") {
// relevancyLeaves : irrelevant
// maxRelTimeAsPermille : irrelevant
options::decisionComputeRelevancy.set(false);
options::decisionMustRelevancy.set(true);
return DECISION_STRATEGY_RELEVANCY;
} else if(optarg == "help") {
puts(decisionModeHelp.c_str());
exit(1);
} else {
throw OptionException(std::string("unknown option for --decision: `") +
optarg + "'. Try --decision help.");
}
}
inline void checkDecisionBudget(std::string option, unsigned short budget, SmtEngine* smt) throw(OptionException) {
if(budget == 0) {
Warning() << "Decision budget is 0. Consider using internal decision heuristic and "
<< std::endl << " removing this option." << std::endl;
}
}
}/* CVC4::decision namespace */
}/* CVC4 namespace */
#endif /* __CVC4__DECISION__OPTIONS_HANDLERS_H */
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