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Do not print empty/true filters #888

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May 16, 2025
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7 changes: 5 additions & 2 deletions dartagnan/src/main/java/com/dat3m/dartagnan/Dartagnan.java
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,8 @@
import com.dat3m.dartagnan.encoding.IREvaluator;
import com.dat3m.dartagnan.encoding.ProverWithTracker;
import com.dat3m.dartagnan.expression.ExpressionPrinter;
import com.dat3m.dartagnan.expression.Expression;
import com.dat3m.dartagnan.expression.booleans.BoolLiteral;
import com.dat3m.dartagnan.parsers.cat.ParserCat;
import com.dat3m.dartagnan.parsers.program.ProgramParser;
import com.dat3m.dartagnan.parsers.witness.ParserWitness;
Expand Down Expand Up @@ -414,8 +416,9 @@ public static ResultSummary generateResultSummary(VerificationTask task, ProverE
summary.append(result).append("\n");
} else {
// Litmus-specific output format that matches with Herd7 (as good as it can)
if (p.getFilterSpecification() != null) {
summary.append("Filter ").append(p.getFilterSpecification()).append("\n");
Expression filterSpec = p.getFilterSpecification();
if (!(filterSpec instanceof BoolLiteral bLit) || !bLit.getValue()) {
summary.append("Filter ").append(filterSpec).append("\n");
}

// NOTE: We cannot produce an output that matches herd7 when checking for both program spec and cat properties.
Expand Down