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Merge pull request #314 from ftsrg/emergent-2025
EmergenTheta Update
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127 changes: 127 additions & 0 deletions
127
...jects/cfa/cfa-analysis/src/test/java/hu/bme/mit/theta/cfa/analysis/CfaMddCheckerTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| /* | ||
| * Copyright 2024 Budapest University of Technology and Economics | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package hu.bme.mit.theta.cfa.analysis; | ||
|
|
||
| import static hu.bme.mit.theta.cfa.analysis.config.CfaConfigBuilder.Domain.*; | ||
| import static hu.bme.mit.theta.cfa.analysis.config.CfaConfigBuilder.Refinement.*; | ||
|
|
||
| import hu.bme.mit.theta.analysis.algorithm.SafetyResult; | ||
| import hu.bme.mit.theta.analysis.algorithm.mdd.MddCex; | ||
| import hu.bme.mit.theta.analysis.algorithm.mdd.MddChecker; | ||
| import hu.bme.mit.theta.analysis.algorithm.mdd.MddProof; | ||
| import hu.bme.mit.theta.analysis.expr.ExprAction; | ||
| import hu.bme.mit.theta.cfa.CFA; | ||
| import hu.bme.mit.theta.cfa.dsl.CfaDslManager; | ||
| import hu.bme.mit.theta.common.OsHelper; | ||
| import hu.bme.mit.theta.common.logging.ConsoleLogger; | ||
| import hu.bme.mit.theta.common.logging.Logger; | ||
| import hu.bme.mit.theta.common.logging.NullLogger; | ||
| import hu.bme.mit.theta.core.type.Expr; | ||
| import hu.bme.mit.theta.core.type.booltype.BoolType; | ||
| import hu.bme.mit.theta.core.utils.indexings.VarIndexing; | ||
| import hu.bme.mit.theta.core.utils.indexings.VarIndexingFactory; | ||
| import hu.bme.mit.theta.solver.SolverFactory; | ||
| import hu.bme.mit.theta.solver.SolverManager; | ||
| import hu.bme.mit.theta.solver.SolverPool; | ||
| import hu.bme.mit.theta.solver.smtlib.SmtLibSolverManager; | ||
| import hu.bme.mit.theta.solver.z3legacy.Z3SolverManager; | ||
| import java.io.FileInputStream; | ||
| import java.util.Arrays; | ||
| import java.util.Collection; | ||
| import org.junit.Assert; | ||
| import org.junit.Assume; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
| import org.junit.runners.Parameterized; | ||
|
|
||
| @RunWith(value = Parameterized.class) | ||
| public class CfaMddCheckerTest { | ||
|
|
||
| @Parameterized.Parameter(value = 0) | ||
| public String filePath; | ||
|
|
||
| @Parameterized.Parameter(value = 1) | ||
| public boolean isSafe; | ||
|
|
||
| @Parameterized.Parameters(name = "{index}: {0}, {1}") | ||
| public static Collection<Object[]> data() { | ||
| return Arrays.asList( | ||
| new Object[][] { | ||
| {"src/test/resources/arithmetic-bool00.cfa", false}, | ||
| {"src/test/resources/arithmetic-bool01.cfa", false}, | ||
| {"src/test/resources/arithmetic-bool10.cfa", false}, | ||
| {"src/test/resources/arithmetic-bool11.cfa", false}, | ||
| {"src/test/resources/arithmetic-mod.cfa", true}, | ||
| {"src/test/resources/counter5_true.cfa", true}, | ||
| {"src/test/resources/counter_bv_true.cfa", true}, | ||
| {"src/test/resources/counter_bv_false.cfa", false}, | ||
| {"src/test/resources/ifelse.cfa", false}, | ||
| }); | ||
| } | ||
|
|
||
| @Test | ||
| public void test() throws Exception { | ||
| final Logger logger = new ConsoleLogger(Logger.Level.SUBSTEP); | ||
|
|
||
| SolverManager.registerSolverManager(Z3SolverManager.create()); | ||
| if (OsHelper.getOs().equals(OsHelper.OperatingSystem.LINUX)) { | ||
| SolverManager.registerSolverManager( | ||
| SmtLibSolverManager.create(SmtLibSolverManager.HOME, NullLogger.getInstance())); | ||
| } | ||
|
|
||
| final SolverFactory solverFactory; | ||
| try { | ||
| solverFactory = SolverManager.resolveSolverFactory("Z3"); | ||
| } catch (Exception e) { | ||
| Assume.assumeNoException(e); | ||
| return; | ||
| } | ||
|
|
||
| try { | ||
| CFA cfa = CfaDslManager.createCfa(new FileInputStream(filePath)); | ||
| var monolithicExpr = CfaToMonolithicExprKt.toMonolithicExpr(cfa); | ||
|
|
||
| final SafetyResult<MddProof, MddCex> status; | ||
| try (var solverPool = new SolverPool(solverFactory)) { | ||
| final MddChecker<ExprAction> checker = | ||
| MddChecker.create( | ||
| monolithicExpr.getInitExpr(), | ||
| VarIndexingFactory.indexing(0), | ||
| new ExprAction() { | ||
| @Override | ||
| public Expr<BoolType> toExpr() { | ||
| return monolithicExpr.getTransExpr(); | ||
| } | ||
|
|
||
| @Override | ||
| public VarIndexing nextIndexing() { | ||
| return VarIndexingFactory.indexing(1); | ||
| } | ||
| }, | ||
| monolithicExpr.getPropExpr(), | ||
| monolithicExpr.getVars(), | ||
| solverPool, | ||
| logger, | ||
| MddChecker.IterationStrategy.GSAT); | ||
| status = checker.check(null); | ||
| } | ||
|
|
||
| Assert.assertEquals(isSafe, status.isSafe()); | ||
| } finally { | ||
| SolverManager.closeAll(); | ||
| } | ||
| } | ||
| } |
88 changes: 88 additions & 0 deletions
88
...lysis/src/main/java/hu/bme/mit/theta/analysis/algorithm/bounded/AbstractMonolithicExpr.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| /* | ||
| * Copyright 2024 Budapest University of Technology and Economics | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package hu.bme.mit.theta.analysis.algorithm.bounded | ||
|
|
||
| import hu.bme.mit.theta.analysis.pred.PredPrec | ||
| import hu.bme.mit.theta.analysis.pred.PredState | ||
| import hu.bme.mit.theta.core.decl.Decl | ||
| import hu.bme.mit.theta.core.decl.Decls | ||
| import hu.bme.mit.theta.core.decl.VarDecl | ||
| import hu.bme.mit.theta.core.model.Valuation | ||
| import hu.bme.mit.theta.core.type.Expr | ||
| import hu.bme.mit.theta.core.type.anytype.Exprs | ||
| import hu.bme.mit.theta.core.type.booltype.BoolExprs | ||
| import hu.bme.mit.theta.core.type.booltype.BoolLitExpr | ||
| import hu.bme.mit.theta.core.type.booltype.BoolType | ||
| import hu.bme.mit.theta.core.type.booltype.IffExpr | ||
| import hu.bme.mit.theta.core.type.booltype.SmartBoolExprs.And | ||
| import hu.bme.mit.theta.core.type.booltype.SmartBoolExprs.Not | ||
| import hu.bme.mit.theta.core.utils.ExprUtils | ||
| import hu.bme.mit.theta.core.utils.indexings.VarIndexingFactory | ||
| import java.util.HashMap | ||
|
|
||
| fun MonolithicExpr.createAbstract(prec: PredPrec): MonolithicExpr { | ||
| // TODO: handle initOffsetIndex in abstract initExpr | ||
| val lambdaList = ArrayList<IffExpr>() | ||
| val lambdaPrimeList = ArrayList<IffExpr>() | ||
| val activationLiterals = ArrayList<VarDecl<*>>() | ||
| val literalToPred = HashMap<Decl<*>, Expr<BoolType>>() | ||
|
|
||
| prec.preds.forEachIndexed { index, expr -> | ||
| run { | ||
| val v = Decls.Var("v$index", BoolType.getInstance()) | ||
| activationLiterals.add(v) | ||
| literalToPred[v] = expr | ||
| lambdaList.add(IffExpr.of(v.ref, expr)) | ||
| lambdaPrimeList.add( | ||
| BoolExprs.Iff(Exprs.Prime(v.ref), ExprUtils.applyPrimes(expr, this.transOffsetIndex)) | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| var indexingBuilder = VarIndexingFactory.indexingBuilder(1) | ||
| this.vars | ||
| .filter { it !in ctrlVars } | ||
| .forEach { decl -> | ||
| repeat(transOffsetIndex.get(decl)) { indexingBuilder = indexingBuilder.inc(decl) } | ||
| } | ||
|
|
||
| return MonolithicExpr( | ||
| initExpr = And(And(lambdaList), initExpr), | ||
| transExpr = And(And(lambdaList), And(lambdaPrimeList), transExpr), | ||
| propExpr = Not(And(And(lambdaList), Not(propExpr))), | ||
| transOffsetIndex = indexingBuilder.build(), | ||
| initOffsetIndex = VarIndexingFactory.indexing(0), | ||
| vars = activationLiterals + ctrlVars, | ||
| valToState = { valuation: Valuation -> | ||
| PredState.of( | ||
| valuation | ||
| .toMap() | ||
| .entries | ||
| .stream() | ||
| .filter { it.key !in ctrlVars } | ||
| .map { | ||
| when ((it.value as BoolLitExpr).value) { | ||
| true -> literalToPred[it.key] | ||
| false -> Not(literalToPred[it.key]) | ||
| } | ||
| } | ||
| .toList() | ||
| ) | ||
| }, | ||
| biValToAction = this.biValToAction, | ||
| ctrlVars = ctrlVars, | ||
| ) | ||
| } |
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