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clasp_output.cpp
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clasp_output.cpp
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//
// Copyright (c) 2009-2017 Benjamin Kaufmann
//
// This file is part of Clasp. See http://www.cs.uni-potsdam.de/clasp/
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
#include <clasp/cli/clasp_output.h>
#include <clasp/solver.h>
#include <clasp/satelite.h>
#include <clasp/minimize_constraint.h>
#include <clasp/util/timer.h>
#include <potassco/string_convert.h>
#include <stdio.h>
#if !defined(_WIN32)
#include <signal.h>
#elif !defined(SIGALRM)
#define SIGALRM 14
#endif
#ifdef _MSC_VER
#include <float.h>
#define CLASP_ISNAN(x) (_isnan(x) != 0)
#pragma warning (disable : 4996)
#elif defined(__cplusplus) && __cplusplus >= 201103L
#include <cmath>
#define CLASP_ISNAN(x) std::isnan(x)
#else
#include <math.h>
#define CLASP_ISNAN(x) isnan(x)
#endif
inline bool isNan(double d) { return CLASP_ISNAN(d); }
#undef CLASP_ISNAN
#if defined(_MSC_VER) || defined(__MINGW32__)
static inline void flockfile(FILE* file) {
_lock_file(file);
}
static inline void funlockfile(FILE* file) {
_unlock_file(file);
}
#endif
struct FileLock {
FileLock(FILE* f) {
flockfile(file = f);
}
~FileLock() {
fflush(file);
funlockfile(file);
}
FILE* file;
};
namespace Clasp { namespace Cli {
/////////////////////////////////////////////////////////////////////////////////////////
// Event formatting
/////////////////////////////////////////////////////////////////////////////////////////
template <>
void formatEvent(const Clasp::BasicSolveEvent& ev, Potassco::StringBuilder& str) {
const Solver& s = *ev.solver;
str.appendFormat("%2u:%c|%7u/%-7u|%8u/%-8u|%10" PRIu64"/%-6.3f|%8" PRId64"/%-10" PRId64"|"
, s.id()
, static_cast<char>(ev.op)
, s.numFreeVars()
, (s.decisionLevel() > 0 ? s.levelStart(1) : s.numAssignedVars())
, s.numConstraints()
, s.numLearntConstraints()
, s.stats.conflicts
, s.stats.conflicts/std::max(1.0,double(s.stats.choices))
, ev.cLimit <= (UINT32_MAX) ? (int64)ev.cLimit:-1
, ev.lLimit != (UINT32_MAX) ? (int64)ev.lLimit:-1
);
}
template <>
void formatEvent(const Clasp::SolveTestEvent& ev, Potassco::StringBuilder& str) {
char ct = ev.partial ? 'P' : 'F';
if (ev.result == -1) { str.appendFormat("%2u:%c| HC: %-5u %-60s|", ev.solver->id(), ct, ev.hcc, "..."); }
else {
str.appendFormat("%2u:%c| HC: %-5u %-4s|%8u/%-8u|%10" PRIu64"/%-6.3f| T: %-15.3f|", ev.solver->id(), ct, ev.hcc, (ev.result == 1 ? "OK" : "FAIL")
, ev.solver->numConstraints()
, ev.solver->numLearntConstraints()
, ev.conflicts()
, ev.conflicts()/std::max(1.0,double(ev.choices()))
, ev.time
);
}
}
#if CLASP_HAS_THREADS
template <>
void formatEvent(const Clasp::mt::MessageEvent& ev, Potassco::StringBuilder& str) {
typedef Clasp::mt::MessageEvent EV;
if (ev.op != EV::completed) { str.appendFormat("%2u:X| %-15s %-53s |", ev.solver->id(), ev.msg, ev.op == EV::sent ? "sent" : "received"); }
else { str.appendFormat("%2u:X| %-15s %-35s in %13.3fs |", ev.solver->id(), ev.msg, "completed", ev.time); }
}
#endif
/////////////////////////////////////////////////////////////////////////////////////////
// Output
/////////////////////////////////////////////////////////////////////////////////////////
Output::Output(uint32 verb) : summary_(0), verbose_(0) {
std::memset(quiet_, 0, sizeof(quiet_));
setCallQuiet(print_no);
setVerbosity(verb);
clearModel();
}
Output::~Output() {}
void Output::setVerbosity(uint32 verb) {
Event::Verbosity x = (Event::Verbosity)std::min(verbose_ = verb, (uint32)Event::verbosity_max);
EventHandler::setVerbosity(Event::subsystem_facade , x);
EventHandler::setVerbosity(Event::subsystem_load , x);
EventHandler::setVerbosity(Event::subsystem_prepare, x);
EventHandler::setVerbosity(Event::subsystem_solve , x);
}
void Output::setModelQuiet(PrintLevel model){ quiet_[0] = static_cast<uint8>(model); }
void Output::setOptQuiet(PrintLevel opt) { quiet_[1] = static_cast<uint8>(opt); }
void Output::setCallQuiet(PrintLevel call) { quiet_[2] = static_cast<uint8>(call); }
void Output::saveModel(const Model& m) {
saved_ = m;
const SumVec* costs = m.costs ? &(costs_ = *m.costs) : 0;
const ValueVec* vals = &(vals_ = *m.values);
saved_.values = vals;
saved_.costs = costs;
}
void Output::onEvent(const Event& ev) {
typedef ClaspFacade::StepStart StepStart;
typedef ClaspFacade::StepReady StepReady;
if (const StepStart* start = event_cast<StepStart>(ev)) {
startStep(*start->facade);
}
else if (const StepReady* ready = event_cast<StepReady>(ev)) {
stopStep(*ready->summary);
}
}
bool Output::onModel(const Solver& s, const Model& m) {
if (modelQ() == print_all || optQ() == print_all) {
printModel(s.outputTable(), m, print_all);
}
if (modelQ() == print_best || optQ() == print_best) {
if (m.opt == 1 && !m.consequences()) { printModel(s.outputTable(), m, print_best); clearModel(); }
else { saveModel(m); }
}
return true;
}
bool Output::onUnsat(const Solver& s, const Model& m) {
if (m.ctx) {
const LowerBound* lower = m.ctx->optimize() && s.lower.active() ? &s.lower : 0;
const Model* prevModel = m.num ? &m : 0;
if (modelQ() == print_all || optQ() == print_all) {
printUnsat(s.outputTable(), lower, prevModel);
}
}
return true;
}
void Output::startStep(const ClaspFacade&) { clearModel(); summary_ = 0; }
void Output::stopStep(const ClaspFacade::Summary& s){
if (getModel()) {
if (s.model()){
saved_.opt = s.model()->opt;
saved_.def = s.model()->def;
}
printModel(s.ctx().output, *getModel(), print_best);
clearModel();
}
else if (modelQ() == print_all && s.model() && s.model()->up && !s.model()->def) {
printModel(s.ctx().output, *s.model(), print_all);
}
if (callQ() == print_all) {
printSummary(s, false);
if (stats(s)) { printStatistics(s, false); }
}
else if (callQ() == print_best) {
summary_ = &s;
}
}
void Output::shutdown(const ClaspFacade::Summary& summary) {
if (summary_) {
printSummary(*summary_, false);
if (stats(summary)) { printStatistics(*summary_, false); }
}
printSummary(summary, true);
if (stats(summary)) { printStatistics(summary, true); }
shutdown();
}
// Returns the number of consequences and estimates in m.
// For a model m with m.consequences and a return value ret:
// - ret.first is the number of definite consequences
// - ret.second is the number of remaining possible consequences
Output::UPair Output::numCons(const OutputTable& out, const Model& m) const {
uint32 low = 0, up = 0;
if (out.projectMode() == ProjectMode_t::Output) {
low += out.numFacts();
for (OutputTable::pred_iterator it = out.pred_begin(); it != out.pred_end(); ++it) {
low += m.isDef(it->cond);
up += m.isEst(it->cond);
}
for (OutputTable::range_iterator it = out.vars_begin(), end = out.vars_end(); it != end; ++it) {
Literal p = posLit(*it);
low += m.isDef(p);
up += m.isEst(p);
}
}
else {
for (OutputTable::lit_iterator it = out.proj_begin(), end = out.proj_end(); it != end; ++it) {
low += m.isDef(*it);
up += m.isEst(*it);
}
}
return UPair(low, m.def ? 0 : up);
}
// Prints shown symbols in model.
// The functions prints
// - true literals in definite answer, followed by
// - true literals in current estimate if m.consequences()
void Output::printWitness(const OutputTable& out, const Model& m, uintp data) {
for (OutputTable::fact_iterator it = out.fact_begin(); it != out.fact_end(); ++it) {
data = doPrint(OutPair(*it, lit_true()), data);
}
for (const char* x = out.theory ? out.theory->first(m) : 0; x; x = out.theory->next()) {
data = doPrint(OutPair(x, lit_true()), data);
}
const bool onlyD = m.type != Model::Cautious || m.def;
for (bool D = true;; D = !D) {
for (OutputTable::pred_iterator it = out.pred_begin(); it != out.pred_end(); ++it) {
if (m.isTrue(it->cond) && (onlyD || m.isDef(it->cond) == D)) {
data = doPrint(OutPair(it->name, lit_true()), data);
}
}
if (out.vars_begin() != out.vars_end()) {
const bool showNeg = !m.consequences();
if (out.projectMode() == ProjectMode_t::Output || !out.filter("_")) {
for (OutputTable::range_iterator it = out.vars_begin(), end = out.vars_end(); it != end; ++it) {
Literal p = posLit(*it);
if ((showNeg || m.isTrue(p)) && (onlyD || m.isDef(p) == D)) {
data = doPrint(OutPair(static_cast<const char*>(0), m.isTrue(p) ? p : ~p), data);
}
}
}
else {
for (OutputTable::lit_iterator it = out.proj_begin(), end = out.proj_end(); it != end; ++it) {
if ((showNeg || m.isTrue(*it)) && (onlyD || m.isDef(*it) == D)) {
data = doPrint(OutPair(static_cast<const char*>(0), m.isTrue(*it) ? *it : ~*it), data);
}
}
}
}
if (D == onlyD) { return; }
}
}
void Output::printUnsat(const OutputTable&, const LowerBound*, const Model*) {}
uintp Output::doPrint(const OutPair&, UPtr x) { return x; }
bool Output::stats(const ClaspFacade::Summary& summary) const {
return summary.facade->config()->context().stats != 0;
}
/////////////////////////////////////////////////////////////////////////////////////////
// JsonOutput
/////////////////////////////////////////////////////////////////////////////////////////
JsonOutput::JsonOutput(uint32 v) : Output(std::min(v, uint32(1))), open_("") {
objStack_.reserve(10);
}
JsonOutput::~JsonOutput() { JsonOutput::shutdown(); }
void JsonOutput::run(const char* solver, const char* version, const std::string* iBeg, const std::string* iEnd) {
if (indent() == 0) {
open_ = "";
JsonOutput::pushObject();
}
printKeyValue("Solver", std::string(solver).append(" version ").append(version).c_str());
pushObject("Input", type_array);
printf("%-*s", indent(), " ");
for (const char* sep = ""; iBeg != iEnd; ++iBeg, sep = ",") {
printString(iBeg->c_str(), sep);
}
popObject();
pushObject("Call", type_array);
}
void JsonOutput::shutdown(const ClaspFacade::Summary& summary) {
while (!objStack_.empty() && *objStack_.rbegin() == '[') {
popObject();
}
Output::shutdown(summary);
}
void JsonOutput::shutdown() {
if (!objStack_.empty()) {
do { popObject(); } while (!objStack_.empty());
printf("\n");
}
fflush(stdout);
}
void JsonOutput::startStep(const ClaspFacade& f) {
Output::startStep(f);
pushObject(0, type_object);
}
void JsonOutput::stopStep(const ClaspFacade::Summary& s) {
assert(!objStack_.empty());
Output::stopStep(s);
while (popObject() != '{') { ; }
}
bool JsonOutput::visitThreads(Operation op) {
if (op == Enter) { pushObject("Thread", type_array); }
else if (op == Leave) { popObject(); }
return true;
}
bool JsonOutput::visitTester(Operation op) {
if (op == Enter) { pushObject("Tester"); }
else if (op == Leave) { popObject(); }
return true;
}
bool JsonOutput::visitHccs(Operation op) {
if (op == Enter) { pushObject("HCC", type_array); }
else if (op == Leave) { popObject(); }
return true;
}
void JsonOutput::visitThread(uint32, const SolverStats& stats) {
pushObject(0, type_object);
JsonOutput::visitSolverStats(stats);
popObject();
}
void JsonOutput::visitHcc(uint32, const ProblemStats& p, const SolverStats& s) {
pushObject(0, type_object);
JsonOutput::visitProblemStats(p);
JsonOutput::visitSolverStats(s);
popObject();
}
void JsonOutput::visitSolverStats(const SolverStats& stats) {
printCoreStats(stats);
if (stats.extra) {
printExtStats(*stats.extra, objStack_.size() == 2);
printJumpStats(stats.extra->jumps);
}
}
void JsonOutput::printChildren(const StatisticObject& s) {
for (uint32 i = 0; i != s.size(); ++i) {
const char* key = s.type() == Potassco::Statistics_t::Map ? s.key(i) : 0;
StatisticObject child = key ? s.at(key) : s[i];
if (child.type() == Potassco::Statistics_t::Value) {
printKeyValue(key, child);
}
else if (child.size()) {
pushObject(key, child.type() == Potassco::Statistics_t::Map ? type_object : type_array);
printChildren(child);
popObject();
}
}
}
void JsonOutput::visitExternalStats(const StatisticObject& stats) {
POTASSCO_ASSERT(stats.type() == Potassco::Statistics_t::Map, "Non map statistic!");
printChildren(stats);
}
void JsonOutput::printCoreStats(const CoreStats& st) {
pushObject("Core");
printKeyValue("Choices" , st.choices);
printKeyValue("Conflicts" , st.conflicts);
printKeyValue("Backtracks" , st.backtracks());
printKeyValue("Backjumps" , st.backjumps());
printKeyValue("Restarts" , st.restarts);
printKeyValue("RestartAvg" , st.avgRestart());
printKeyValue("RestartLast", st.lastRestart);
popObject(); // Core
}
void JsonOutput::printExtStats(const ExtendedStats& stx, bool generator) {
pushObject("More");
printKeyValue("CPU", stx.cpuTime);
printKeyValue("Models", stx.models);
if (stx.domChoices) {
printKeyValue("DomChoices", stx.domChoices);
}
if (stx.hccTests) {
pushObject("StabTests");
printKeyValue("Sum", stx.hccTests);
printKeyValue("Full", stx.hccTests - stx.hccPartial);
printKeyValue("Partial", stx.hccPartial);
popObject();
}
if (stx.models) {
printKeyValue("AvgModel", stx.avgModel());
}
printKeyValue("Splits", stx.splits);
printKeyValue("Problems", stx.gps);
printKeyValue("AvgGPLength", stx.avgGp());
pushObject("Lemma");
printKeyValue("Sum", stx.lemmas());
printKeyValue("Deleted" , stx.deleted);
pushObject("Type", type_array);
const char* names[] = {"Short", "Conflict", "Loop", "Other"};
for (int i = Constraint_t::Static; i <= Constraint_t::Other; ++i) {
pushObject();
printKeyValue("Type", names[i]);
if (i == 0) {
printKeyValue("Sum", stx.binary+stx.ternary);
printKeyValue("Ratio", percent(stx.binary+stx.ternary, stx.lemmas()));
printKeyValue("Binary", stx.binary);
printKeyValue("Ternary", stx.ternary);
}
else {
printKeyValue("Sum", stx.lemmas(ConstraintType(i)));
printKeyValue("AvgLen", stx.avgLen(ConstraintType(i)));
}
popObject();
}
popObject();
popObject(); // Lemma
if (stx.distributed || stx.integrated) {
pushObject("Distribution");
printKeyValue("Distributed", stx.distributed);
printKeyValue("Ratio", stx.distRatio());
printKeyValue("AvgLbd", stx.avgDistLbd());
popObject();
pushObject("Integration");
printKeyValue("Integrated", stx.integrated);
printKeyValue("Units", stx.intImps);
printKeyValue("AvgJump", stx.avgIntJump());
if (generator) { printKeyValue("Ratio", stx.intRatio()); }
popObject();
}
popObject(); // More
}
void JsonOutput::printJumpStats(const JumpStats& st) {
pushObject("Jumps");
printKeyValue("Sum", st.jumps);
printKeyValue("Max", st.maxJump);
printKeyValue("MaxExec", st.maxJumpEx);
printKeyValue("Avg", st.avgJump());
printKeyValue("AvgExec", st.avgJumpEx());
printKeyValue("Levels", st.jumpSum);
printKeyValue("LevelsExec", st.jumped());
pushObject("Bounded");
printKeyValue("Sum", st.bounded);
printKeyValue("Max", st.maxBound);
printKeyValue("Avg", st.avgBound());
printKeyValue("Levels", st.boundSum);
popObject();
popObject();
}
void JsonOutput::visitLogicProgramStats(const Asp::LpStats& lp) {
using namespace Asp;
pushObject("LP");
pushObject("Rules");
printKeyValue("Original", lp.rules[0].sum());
printKeyValue("Final", lp.rules[1].sum());
for (uint32 i = 0; i != RuleStats::numKeys(); ++i) {
if (i != RuleStats::Normal && lp.rules[0][i]) {
pushObject(RuleStats::toStr(i));
printKeyValue("Original", lp.rules[0][i]);
printKeyValue("Final", lp.rules[1][i]);
popObject();
}
}
popObject(); // Rules
printKeyValue("Atoms", lp.atoms);
if (lp.auxAtoms) { printKeyValue("AuxAtoms", lp.auxAtoms); }
if (lp.disjunctions[0]) {
pushObject("Disjunctions");
printKeyValue("Original", lp.disjunctions[0]);
printKeyValue("Final", lp.disjunctions[1]);
popObject();
}
pushObject("Bodies");
printKeyValue("Original", lp.bodies[0].sum());
printKeyValue("Final" , lp.bodies[1].sum());
for (uint32 i = 1; i != BodyStats::numKeys(); ++i) {
if (lp.bodies[0][i]) {
pushObject(BodyStats::toStr(i));
printKeyValue("Original", lp.bodies[0][i]);
printKeyValue("Final", lp.bodies[1][i]);
popObject();
}
}
popObject();
if (lp.sccs == 0) { printKeyValue("Tight", "yes"); }
else if (lp.sccs == PrgNode::noScc) { printKeyValue("Tight", "N/A"); }
else {
printKeyValue("Tight", "no");
printKeyValue("SCCs", lp.sccs);
printKeyValue("NonHcfs", lp.nonHcfs);
printKeyValue("UfsNodes", lp.ufsNodes);
printKeyValue("NonHcfGammas", lp.gammas);
}
pushObject("Equivalences");
printKeyValue("Sum", lp.eqs());
printKeyValue("Atom", lp.eqs(Var_t::Atom));
printKeyValue("Body", lp.eqs(Var_t::Body));
printKeyValue("Other", lp.eqs(Var_t::Hybrid));
popObject();
popObject(); // LP
}
void JsonOutput::visitProblemStats(const ProblemStats& p) {
pushObject("Problem");
printKeyValue("Variables", p.vars.num);
printKeyValue("Eliminated", p.vars.eliminated);
printKeyValue("Frozen", p.vars.frozen);
pushObject("Constraints");
uint32 sum = p.numConstraints();
printKeyValue("Sum", sum);
printKeyValue("Binary", p.constraints.binary);
printKeyValue("Ternary", p.constraints.ternary);
popObject(); // Constraints
printKeyValue("AcycEdges", p.acycEdges);
popObject(); // PS
}
void JsonOutput::printKey(const char* k) {
if (k) { printf("%s%-*.*s\"%s\": ", open_, indent(), indent(), " ", k); }
else { printf("%s%-*.*s", open_, indent(), indent(), " "); }
}
void JsonOutput::printString(const char* v, const char* sep) {
assert(v);
const uint32 BUF_SIZE = 1024;
char buf[BUF_SIZE];
const char* special = "\b\f\n\r\t\"\\";
const char* replace = "bfnrt\"\\";
buf[0] = '"';
for (uint32 n = 1; (buf[n] = *v) != 0; ++v) {
if (const char* esc = strchr(special, buf[n])) {
buf[n] = '\\';
buf[++n] = replace[esc - special];
}
if (++n > BUF_SIZE - 2) { buf[n] = 0; printf("%s%s", sep, buf); n = 0; sep = ""; }
}
printf("%s%s\"", sep, buf);
}
void JsonOutput::printKeyValue(const char* k, const char* v) {
printf("%s%-*s\"%s\": ", open_, indent(), " ", k);
printString(v,"");
open_ = ",\n";
}
void JsonOutput::printKeyValue(const char* k, uint64 v) {
printf("%s%-*s\"%s\": %" PRIu64, open_, indent(), " ", k, v);
open_ = ",\n";
}
void JsonOutput::printKeyValue(const char* k, uint32 v) { return printKeyValue(k, uint64(v)); }
void JsonOutput::printKeyValue(const char* k, double v) {
if (!isNan(v)) { printf("%s%-*s\"%s\": %.3f", open_, indent(), " ", k, v); }
else { printf("%s%-*s\"%s\": %s", open_, indent(), " ", k, "null"); }
open_ = ",\n";
}
void JsonOutput::printKeyValue(const char* k, const StatisticObject& o) {
double v = o.value();
printKey(k);
if (!isNan(v)) { printf("%g", v); }
else { printf("%s", "null"); }
open_ = ",\n";
}
void JsonOutput::pushObject(const char* k, ObjType t) {
printKey(k);
char o = t == type_object ? '{' : '[';
objStack_ += o;
printf("%c\n", o);
open_ = "";
}
char JsonOutput::popObject() {
assert(!objStack_.empty());
char o = *objStack_.rbegin();
objStack_.erase(objStack_.size()-1);
printf("\n%-*.*s%c", indent(), indent(), " ", o == '{' ? '}' : ']');
open_ = ",\n";
return o;
}
void JsonOutput::startModel() {
if (!hasWitness()) {
pushObject("Witnesses", type_array);
}
pushObject();
}
uintp JsonOutput::doPrint(const OutPair& out, uintp data) {
const char* sep = reinterpret_cast<const char*>(data);
if (out.first){ printString(out.first, sep); }
else { printf("%s%d", sep, out.second.sign() ? -static_cast<int>(out.second.var()) : static_cast<int>(out.second.var())); }
return reinterpret_cast<UPtr>(", ");
}
void JsonOutput::printModel(const OutputTable& out, const Model& m, PrintLevel x) {
uint32 hasModel = (x == modelQ());
if (hasModel) {
startModel();
pushObject("Value", type_array);
printf("%-*s", indent(), " ");
printWitness(out, m, reinterpret_cast<UPtr>(""));
popObject();
if (m.consequences() && x == optQ()) {
printCons(numCons(out, m));
}
}
if (x == optQ()) {
if (m.consequences() && !hasModel++) {
startModel();
printCons(numCons(out, m));
}
if (m.costs) {
if (!hasModel++) { startModel(); }
printCosts(*m.costs);
}
}
if (hasModel) { popObject(); }
}
void JsonOutput::printCosts(const SumVec& opt, const char* name) {
pushObject(name, type_array);
printf("%-*s", indent(), " ");
const char* sep = "";
for (SumVec::const_iterator it = opt.begin(), end = opt.end(); it != end; ++it) {
printf("%s%" PRId64, sep, *it);
sep = ", ";
}
popObject();
}
void JsonOutput::printCons(const UPair& cons) {
pushObject("Consequences");
printKeyValue("True", cons.first);
printKeyValue("Open", cons.second);
popObject();
}
void JsonOutput::printSummary(const ClaspFacade::Summary& run, bool final) {
if (hasWitness()) { popObject(); }
const char* res = "UNKNOWN";
if (run.unsat()) { res = "UNSATISFIABLE"; }
else if (run.sat()) { res = !run.optimum() ? "SATISFIABLE" : "OPTIMUM FOUND"; }
printKeyValue("Result", res);
if (verbosity()) {
if (run.result.interrupted()){ printKeyValue(run.result.signal != SIGALRM ? "INTERRUPTED" : "TIME LIMIT", uint32(1)); }
pushObject("Models");
printKeyValue("Number", run.numEnum);
printKeyValue("More" , run.complete() ? "no" : "yes");
if (run.sat()) {
if (run.consequences()){
printKeyValue(run.consequences(), run.complete() ? "yes":"unknown");
printCons(numCons(run.ctx().output, *run.model()));
}
if (run.optimize()) {
printKeyValue("Optimum", run.optimum()?"yes":"unknown");
printKeyValue("Optimal", run.optimal());
printCosts(*run.costs());
}
}
popObject();
if (run.hasLower() && !run.optimum()) {
pushObject("Bounds");
printCosts(run.lower(), "Lower");
printCosts(run.costs() ? *run.costs() : SumVec(), "Upper");
popObject();
}
if (final) { printKeyValue("Calls", run.step + 1); }
pushObject("Time");
printKeyValue("Total", run.totalTime);
printKeyValue("Solve", run.solveTime);
printKeyValue("Model", run.satTime);
printKeyValue("Unsat", run.unsatTime);
printKeyValue("CPU" , run.cpuTime);
popObject(); // Time
if (run.ctx().concurrency() > 1) {
printKeyValue("Threads", run.ctx().concurrency());
printKeyValue("Winner", run.ctx().winner());
}
}
}
void JsonOutput::printStatistics(const ClaspFacade::Summary& summary, bool) {
if (hasWitness()) { popObject(); }
pushObject("Stats", type_object);
summary.accept(*this);
popObject();
}
/////////////////////////////////////////////////////////////////////////////////////////
// TextOutput
/////////////////////////////////////////////////////////////////////////////////////////
#define printKeyValue(k, fmt, value) printf("%s%-*s: " fmt, format[cat_comment], width_, (k), (value))
#define printLN(cat, fmt, ...) printf("%s" fmt "\n", format[cat], __VA_ARGS__)
#define printBR(cat) printf("%s\n", format[cat])
#define printKey(k) printf("%s%-*s: ", format[cat_comment], width_, (k))
const char* const rowSep = "----------------------------------------------------------------------------|";
const char* const finalSep = "=============================== Accumulation ===============================|";
static inline std::string prettify(const std::string& str) {
if (str.size() < 40) return str;
std::string t("...");
t.append(str.end()-38, str.end());
return t;
}
TextOutput::TextOutput(uint32 verbosity, Format fmt, const char* catAtom, char ifs) : Output(verbosity), stTime_(0.0), state_(0) {
result[res_unknonw] = "UNKNOWN";
result[res_sat] = "SATISFIABLE";
result[res_unsat] = "UNSATISFIABLE";
result[res_opt] = "OPTIMUM FOUND";
format[cat_comment] = "";
format[cat_value] = "";
format[cat_objective] = "Optimization: ";
format[cat_result] = "";
format[cat_value_term] = "";
format[cat_atom_name] = "%s";
format[cat_atom_var] = "-%d";
if (fmt == format_aspcomp) {
format[cat_comment] = "% ";
format[cat_value] = "ANSWER\n";
format[cat_objective] = "COST ";
format[cat_atom_name] = "%s.";
result[res_sat] = "";
result[res_unsat] = "INCONSISTENT";
result[res_opt] = "OPTIMUM";
setModelQuiet(print_best);
setOptQuiet(print_best);
}
else if (fmt == format_sat09 || fmt == format_pb09) {
format[cat_comment] = "c ";
format[cat_value] = "v ";
format[cat_objective] = "o ";
format[cat_result] = "s ";
format[cat_value_term]= "0";
if (fmt == format_pb09) {
format[cat_value_term]= "";
format[cat_atom_var] = "-x%d";
setModelQuiet(print_best);
}
}
if (catAtom && *catAtom) {
char f = 0;
for (const char* x = catAtom; *x; ++x) {
POTASSCO_REQUIRE(*x != '\n', "cat_atom: Invalid format string - new line not allowed");
if (*x == '%') {
POTASSCO_REQUIRE(*++x, "cat_atom: Invalid format string - missing format specifier");
if (*x != '%') {
POTASSCO_REQUIRE(f == 0, "cat_atom: Invalid format string - too many arguments");
POTASSCO_REQUIRE(std::strchr("sd0", *x) != 0, "cat_atom: Invalid format string - invalid format specifier");
f = *x;
}
}
}
if (f == '0') {
std::size_t len = std::strlen(catAtom);
fmt_.reserve((len * 2) + 2);
fmt_.append(catAtom).append(1, '\0').append(1, '-').append(catAtom);
std::string::size_type p = fmt_.find("%0") + 1;
fmt_[p] = 's';
fmt_[len + 2 + p] = 'd';
format[cat_atom_name] = fmt_.c_str();
format[cat_atom_var] = fmt_.c_str() + len + 1;
}
else {
format[f == 's' ? cat_atom_name : cat_atom_var] = catAtom;
}
}
POTASSCO_REQUIRE(*format[cat_atom_var] == '-' , "cat_atom: Invalid format string - must start with '-'");
ifs_[0] = ifs;
ifs_[1] = 0;
width_ = 13+(int)strlen(format[cat_comment]);
progress_.clear();
}
TextOutput::~TextOutput() {}
void TextOutput::comment(uint32 v, const char* fmt, ...) const {
if (verbosity() >= v) {
printf("%s", format[cat_comment]);
va_list args;
va_start(args, fmt);
vfprintf(stdout, fmt, args);
va_end(args);
fflush(stdout);
}
}
void TextOutput::run(const char* solver, const char* version, const std::string* begInput, const std::string* endInput) {
if (!version) version = "";
if (solver) comment(1, "%s version %s\n", solver, version);
if (begInput != endInput) {
comment(1, "Reading from %s%s\n", prettify(*begInput).c_str(), (endInput - begInput) > 1 ? " ..." : "");
}
}
void TextOutput::shutdown() {}
void TextOutput::printSummary(const ClaspFacade::Summary& run, bool final) {
if (final && callQ() != print_no){
comment(1, "%s\n", finalSep);
}
const char* res = result[res_unknonw];
if (run.unsat()) { res = result[res_unsat]; }
else if (run.sat()) { res = !run.optimum() ? result[res_sat] : result[res_opt]; }
if (std::strlen(res)) { printLN(cat_result, "%s", res); }
if (verbosity() || stats(run)) {
printBR(cat_comment);
if (run.result.interrupted()){ printKeyValue((run.result.signal != SIGALRM ? "INTERRUPTED" : "TIME LIMIT"), "%u\n", uint32(1)); }
const char* const moreStr = run.complete() ? "" : "+";
printKey("Models");
printf("%" PRIu64 "%s\n", run.numEnum, moreStr);
if (run.sat()) {
if (run.consequences()) { printLN(cat_comment, " %-*s: %s", width_-2, run.consequences(), (run.complete()?"yes":"unknown")); }
if (run.costs()) { printKeyValue(" Optimum", "%s\n", run.optimum()?"yes":"unknown"); }
if (run.optimize()) {
if (run.optimal() > 1){ printKeyValue(" Optimal", "%" PRIu64"\n", run.optimal()); }
printKey("Optimization");
printCostsImpl(*run.costs(), ' ');
printf("\n");
}
if (run.consequences()) {
printKey("Consequences");
printf("%u%s\n", numCons(run.ctx().output, *run.model()).first, moreStr);
}
}
if (run.hasLower() && !run.optimum()) {
printKey("Bounds");
printBounds(run.lower(), run.costs() ? *run.costs() : SumVec());
printf("\n");
}
if (final) { printKeyValue("Calls", "%u\n", run.step + 1); }
printKey("Time");
printf("%.3fs (Solving: %.2fs 1st Model: %.2fs Unsat: %.2fs)\n"
, run.totalTime
, run.solveTime
, run.satTime
, run.unsatTime);
printKeyValue("CPU Time", "%.3fs\n", run.cpuTime);
if (run.ctx().concurrency() > 1) {
printKeyValue("Threads", "%-8u", run.ctx().concurrency());
printf(" (Winner: %u)\n", run.ctx().winner());
}
}
}
void TextOutput::printStatistics(const ClaspFacade::Summary& run, bool) {
printBR(cat_comment);
accu_ = true;
run.accept(*this);
}
void TextOutput::startStep(const ClaspFacade& f) {
Output::startStep(f);
if (callQ() != print_no) { comment(1, "%s\n", rowSep); comment(2, "%-13s: %d\n", "Call", f.step()+1); }
}
void TextOutput::onEvent(const Event& ev) {
typedef SatElite::Progress SatPre;
if (ev.verb <= verbosity()) {
if (ev.system == 0) { setState(0,0,0); }
else if (ev.system == state_) {
if (ev.system == Event::subsystem_solve) { printSolveProgress(ev); }
else if (const SatPre* sat = event_cast<SatPre>(ev)){
if (sat->op != SatElite::Progress::event_algorithm) { comment(2, "Sat-Prepro : %c: %8u/%-8u\r", (char)sat->op, sat->cur, sat->max); }
else if (sat->cur!= sat->max) {
setState(0,0,0); comment(2, "Sat-Prepro :\r");
state_ = Event::subsystem_prepare;
}
else {
SatPreprocessor* p = sat->self;
double tEnd = RealTime::getTime();
comment(2, "Sat-Prepro : %.3f (ClRemoved: %u ClAdded: %u LitsStr: %u)\n", tEnd - stTime_, p->stats.clRemoved, p->stats.clAdded, p->stats.litsRemoved);
state_ = 0;
}
}
}
else if (const LogEvent* log = event_cast<LogEvent>(ev)) {
setState(ev.system, ev.verb, log->msg);
}
}
Output::onEvent(ev);
}
void TextOutput::setState(uint32 state, uint32 verb, const char* m) {
if (state != state_ && verb <= verbosity()) {
double tEnd = RealTime::getTime();
if (state_ == Event::subsystem_solve) { comment(2, "%s\n", rowSep); }
else if (state_ != Event::subsystem_facade){ printf("%.3f\n", tEnd - stTime_); }
stTime_ = tEnd;
state_ = state;
if (state_ == Event::subsystem_load) { comment(2, "%-13s: ", m ? m : "Reading"); }
else if (state_ == Event::subsystem_prepare){ comment(2, "%-13s: ", m ? m : "Preprocessing"); }
else if (state_ == Event::subsystem_solve) { comment(1, "Solving...\n"); progress_.clear(); }
}
}
void TextOutput::printSolveProgress(const Event& ev) {
if (ev.id == SolveTestEvent::id_s && (verbosity() & 4) == 0) { return; }
if (ev.id == BasicSolveEvent::id_s && (verbosity() & 1) == 0) { return; }
char lEnd = '\n';
char line[128];
Potassco::StringBuilder str(line, sizeof(line));
if (const BasicSolveEvent* be = event_cast<BasicSolveEvent>(ev)) { Clasp::Cli::formatEvent(*be, str); }
else if (const SolveTestEvent* te = event_cast<SolveTestEvent>(ev) ) { Clasp::Cli::formatEvent(*te, str); lEnd= te->result == -1 ? '\r' : '\n'; }
#if CLASP_HAS_THREADS
else if (const mt::MessageEvent*me = event_cast<mt::MessageEvent>(ev)){ Clasp::Cli::formatEvent(*me, str); }
#endif
else if (const LogEvent* log = event_cast<LogEvent>(ev)) {
char timeBuffer[30];
Potassco::StringBuilder time(timeBuffer, sizeof(timeBuffer));
time.appendFormat("[Solving+%.3fs]", RealTime::getTime() - stTime_);
str.appendFormat("%2u:L| %-30s %-38s |", log->solver->id(), time.c_str(), log->msg);
}
else { return; }
int eventId = static_cast<int>(ev.id);
int nLines = ev.id != LogEvent::id_s && lEnd == '\n';
FileLock lock(stdout);
if (nLines && (progress_.lines <= 0 || eventId != progress_.last)) {
if (progress_.lines <= 0) {
if ((this->verbosity() & 1) != 0) {
printf("%s%s\n"
"%sID:T Vars Constraints State Limits |\n"
"%s #free/#fixed #problem/#learnt #conflicts/ratio #conflict/#learnt |\n"
"%s%s\n", format[cat_comment], rowSep, format[cat_comment], format[cat_comment], format[cat_comment], rowSep);
}
else {
printf("%s%s\n"
"%sID:T Info Info Info |\n"
"%s%s\n", format[cat_comment], rowSep, format[cat_comment], format[cat_comment], rowSep);
}
progress_.lines = 20;
}
else if (progress_.last != -1) {
printLN(cat_comment, "%s", rowSep);
}
progress_.last = eventId;
}
progress_.lines -= nLines;
printf("%s%s%c", format[cat_comment], line, lEnd);
}
static inline bool endsWith(const char* str, char c) {
return *str && str[strlen(str) - 1] == c;
}
const char* TextOutput::getIfsSuffix(char ifs, CategoryKey c) const {
return ifs != '\n' || endsWith(format[c], '\n') ? "" : format[c];
}
const char* TextOutput::getIfsSuffix(CategoryKey c) const { return getIfsSuffix(ifs_[0], c); }
const char* TextOutput::fieldSeparator() const { return ifs_; }
int TextOutput::printSep(CategoryKey k) const { return printf("%s%s", fieldSeparator(), getIfsSuffix(k)); }
uintp TextOutput::doPrint(const OutPair& s, UPtr data) {
const uint32 MSB = 31u;
uint32& accu = reinterpret_cast<UPair*>(data)->first;
uint32& maxLine = reinterpret_cast<UPair*>(data)->second;
if (accu == 0 && *getIfsSuffix(cat_value)) store_set_bit(accu, MSB);
const char* suf = test_bit(accu, MSB) ? format[cat_value] : "";
store_clear_bit(accu, MSB);
if (accu < maxLine) { accu += printf("%c%s", *fieldSeparator(), suf); }
else if (!maxLine) { maxLine = s.first || *fieldSeparator() != ' ' ? UINT32_MAX : 70; }
else { printf("%c%s", '\n', getIfsSuffix('\n', cat_value)); accu = 0; }
if (s.first){ accu += printf(format[cat_atom_name], s.first); }
else { accu += printf(format[cat_atom_var] + !s.second.sign(), static_cast<int>(s.second.var())); }
if (*suf) store_set_bit(accu, MSB);
return data;
}
void TextOutput::printValues(const OutputTable& out, const Model& m) {
printf("%s", format[cat_value]);
UPair data;
printWitness(out, m, reinterpret_cast<UPtr>(&data));
if (*format[cat_value_term]) {
printf("%c%s%s", *fieldSeparator(), getIfsSuffix(cat_value), format[cat_value_term]);
}
printf("\n");
}
void TextOutput::printMeta(const OutputTable& out, const Model& m) {
if (m.consequences()) {
UPair cons = numCons(out, m);
printLN(cat_comment, "Consequences: [%u;%u]", cons.first, cons.first + cons.second);
}
if (m.costs) {
printf("%s", format[cat_objective]);
printCosts(*m.costs);
printf("\n");
}
}
void TextOutput::printModel(const OutputTable& out, const Model& m, PrintLevel x) {
FileLock lock(stdout);
if (x == modelQ()) {
comment(1, "%s: %" PRIu64"\n", !m.up ? "Answer" : "Update", m.num);
printValues(out, m);
progress_.clear();
}
if (x == optQ()) {
printMeta(out, m);
}
}
void TextOutput::printUnsat(const OutputTable& out, const LowerBound* lower, const Model* prevModel) {
FileLock lock(stdout);
if (lower && optQ() == print_all) {
const SumVec* costs = prevModel ? prevModel->costs : 0;
printf("%s%-12s: ", format[cat_comment], "Progression");
if (costs && costs->size() > lower->level) {
for (uint32 i = 0; i != lower->level; ++i) {
printf("%" PRId64 " ", (*costs)[i]);
}
wsum_t ub = (*costs)[lower->level];
int w = 1; for (wsum_t x = ub; x > 9; ++w) { x /= 10; }
double err = double(ub - lower->bound)/double(lower->bound);
if (err < 0) { err = -err; }
printf("[%*" PRId64 ";%" PRId64 "] (Error: %g)", w, lower->bound, ub, err);