/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 10:43:22,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 10:43:22,463 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 10:43:22,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 10:43:22,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 10:43:22,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 10:43:22,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 10:43:22,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 10:43:22,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 10:43:22,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 10:43:22,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 10:43:22,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 10:43:22,501 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 10:43:22,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 10:43:22,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 10:43:22,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 10:43:22,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 10:43:22,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 10:43:22,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 10:43:22,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 10:43:22,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 10:43:22,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 10:43:22,505 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 10:43:22,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 10:43:22,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 10:43:22,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 10:43:22,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 10:43:22,506 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 10:43:22,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 10:43:22,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 10:43:22,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 10:43:22,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 10:43:22,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 10:43:22,508 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 10:43:22,508 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 10:43:22,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 10:43:22,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 10:43:22,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 10:43:22,509 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 10:43:22,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-05 10:43:22,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 10:43:22,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 10:43:22,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 10:43:22,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 10:43:22,790 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 10:43:22,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.i [2024-04-05 10:43:24,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 10:43:24,257 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 10:43:24,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.i [2024-04-05 10:43:24,278 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/09786f5d7/865dc52a25164daaa2689c13ee5f871b/FLAGc52522014 [2024-04-05 10:43:24,291 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/09786f5d7/865dc52a25164daaa2689c13ee5f871b [2024-04-05 10:43:24,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 10:43:24,294 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 10:43:24,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 10:43:24,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 10:43:24,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 10:43:24,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8ca10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24, skipping insertion in model container [2024-04-05 10:43:24,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,343 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 10:43:24,484 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.i[945,958] [2024-04-05 10:43:24,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 10:43:24,681 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 10:43:24,698 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.i[945,958] [2024-04-05 10:43:24,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 10:43:24,803 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 10:43:24,803 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 10:43:24,810 INFO L206 MainTranslator]: Completed translation [2024-04-05 10:43:24,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24 WrapperNode [2024-04-05 10:43:24,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 10:43:24,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 10:43:24,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 10:43:24,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 10:43:24,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,873 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-04-05 10:43:24,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 10:43:24,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 10:43:24,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 10:43:24,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 10:43:24,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 10:43:24,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 10:43:24,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 10:43:24,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 10:43:24,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (1/1) ... [2024-04-05 10:43:24,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 10:43:24,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 10:43:24,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 10:43:24,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 10:43:25,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 10:43:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 10:43:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 10:43:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 10:43:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 10:43:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-04-05 10:43:25,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-04-05 10:43:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-04-05 10:43:25,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-04-05 10:43:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-04-05 10:43:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-04-05 10:43:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 10:43:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 10:43:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 10:43:25,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 10:43:25,020 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 10:43:25,174 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 10:43:25,176 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 10:43:25,308 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 10:43:25,318 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 10:43:25,318 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-05 10:43:25,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 10:43:25 BoogieIcfgContainer [2024-04-05 10:43:25,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 10:43:25,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 10:43:25,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 10:43:25,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 10:43:25,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 10:43:24" (1/3) ... [2024-04-05 10:43:25,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e9c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 10:43:25, skipping insertion in model container [2024-04-05 10:43:25,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:43:24" (2/3) ... [2024-04-05 10:43:25,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e9c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 10:43:25, skipping insertion in model container [2024-04-05 10:43:25,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 10:43:25" (3/3) ... [2024-04-05 10:43:25,328 INFO L112 eAbstractionObserver]: Analyzing ICFG safe003_tso.i [2024-04-05 10:43:25,336 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 10:43:25,345 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 10:43:25,345 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 10:43:25,345 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 10:43:25,392 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-05 10:43:25,433 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 10:43:25,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 10:43:25,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 10:43:25,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 10:43:25,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 10:43:25,478 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 10:43:25,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 10:43:25,492 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 10:43:25,502 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b44be7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 10:43:25,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 10:43:25,619 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 10:43:25,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 10:43:25,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1765759485, now seen corresponding path program 1 times [2024-04-05 10:43:25,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 10:43:25,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846204958] [2024-04-05 10:43:25,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:43:25,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:43:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 10:43:25,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 10:43:25,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 10:43:25,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846204958] [2024-04-05 10:43:25,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846204958] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 10:43:25,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 10:43:25,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 10:43:25,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128432662] [2024-04-05 10:43:25,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 10:43:25,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 10:43:25,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 10:43:26,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 10:43:26,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 10:43:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:43:26,008 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 10:43:26,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 10:43:26,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:43:26,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:43:26,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 10:43:26,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 10:43:26,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 10:43:26,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1974142207, now seen corresponding path program 1 times [2024-04-05 10:43:26,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 10:43:26,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461726410] [2024-04-05 10:43:26,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:43:26,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:43:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 10:43:26,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 10:43:26,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 10:43:26,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461726410] [2024-04-05 10:43:26,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461726410] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 10:43:26,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 10:43:26,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 10:43:26,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901079801] [2024-04-05 10:43:26,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 10:43:26,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 10:43:26,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 10:43:26,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 10:43:26,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-05 10:43:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:43:26,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 10:43:26,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 10:43:26,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:43:26,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:43:26,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:43:26,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-05 10:43:26,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 10:43:26,875 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 10:43:26,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 10:43:26,877 INFO L85 PathProgramCache]: Analyzing trace with hash -380069440, now seen corresponding path program 1 times [2024-04-05 10:43:26,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 10:43:26,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962823132] [2024-04-05 10:43:26,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:43:26,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:43:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 10:43:27,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 10:43:27,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 10:43:27,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962823132] [2024-04-05 10:43:27,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962823132] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 10:43:27,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 10:43:27,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 10:43:27,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943812650] [2024-04-05 10:43:27,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 10:43:27,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 10:43:27,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 10:43:27,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 10:43:27,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-05 10:43:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:43:27,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 10:43:27,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 10:43:27,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:43:27,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-05 10:43:27,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:43:28,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1984713805, now seen corresponding path program 1 times [2024-04-05 10:43:28,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:43:28,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:43:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 10:43:28,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 10:43:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 10:43:28,902 INFO L85 PathProgramCache]: Analyzing trace with hash -153703577, now seen corresponding path program 1 times [2024-04-05 10:43:28,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:43:28,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:43:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 10:43:28,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 10:43:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 10:43:29,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1949212627, now seen corresponding path program 1 times [2024-04-05 10:43:29,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:43:29,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:43:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 10:43:29,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 10:43:29,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:43:29,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:43:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 10:43:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 10:43:29,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 10:43:29,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-04-05 10:43:30,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1089358996, now seen corresponding path program 1 times [2024-04-05 10:43:30,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:43:30,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:43:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 10:43:30,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 10:43:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 10:43:30,550 INFO L85 PathProgramCache]: Analyzing trace with hash -265022747, now seen corresponding path program 1 times [2024-04-05 10:43:30,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:43:30,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:43:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 10:43:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 10:43:30,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:43:30,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:43:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 10:43:30,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 10:43:30,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 10:43:30,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-04-05 10:43:31,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable9 [2024-04-05 10:43:31,838 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@75a0196b at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.checkInternal(MonolithicHoareTripleChecker.java:83) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:196) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:169) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.next(NestedIterator.java:94) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:183) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.visitors.DeadEndOptimizingSearchVisitor.discoverState(DeadEndOptimizingSearchVisitor.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:222) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:329) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:362) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-04-05 10:43:31,843 INFO L158 Benchmark]: Toolchain (without parser) took 7547.41ms. Allocated memory was 155.2MB in the beginning and 410.0MB in the end (delta: 254.8MB). Free memory was 83.2MB in the beginning and 251.3MB in the end (delta: -168.1MB). Peak memory consumption was 214.8MB. Max. memory is 8.0GB. [2024-04-05 10:43:31,844 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 155.2MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 10:43:31,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.77ms. Allocated memory was 155.2MB in the beginning and 250.6MB in the end (delta: 95.4MB). Free memory was 83.0MB in the beginning and 213.5MB in the end (delta: -130.5MB). Peak memory consumption was 21.4MB. Max. memory is 8.0GB. [2024-04-05 10:43:31,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.74ms. Allocated memory is still 250.6MB. Free memory was 212.9MB in the beginning and 211.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 10:43:31,848 INFO L158 Benchmark]: Boogie Preprocessor took 38.74ms. Allocated memory is still 250.6MB. Free memory was 211.4MB in the beginning and 209.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 10:43:31,848 INFO L158 Benchmark]: RCFGBuilder took 405.30ms. Allocated memory is still 250.6MB. Free memory was 209.8MB in the beginning and 194.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-04-05 10:43:31,848 INFO L158 Benchmark]: TraceAbstraction took 6519.18ms. Allocated memory was 250.6MB in the beginning and 410.0MB in the end (delta: 159.4MB). Free memory was 193.5MB in the beginning and 251.3MB in the end (delta: -57.7MB). Peak memory consumption was 229.0MB. Max. memory is 8.0GB. [2024-04-05 10:43:31,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 155.2MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 515.77ms. Allocated memory was 155.2MB in the beginning and 250.6MB in the end (delta: 95.4MB). Free memory was 83.0MB in the beginning and 213.5MB in the end (delta: -130.5MB). Peak memory consumption was 21.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.74ms. Allocated memory is still 250.6MB. Free memory was 212.9MB in the beginning and 211.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.74ms. Allocated memory is still 250.6MB. Free memory was 211.4MB in the beginning and 209.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 405.30ms. Allocated memory is still 250.6MB. Free memory was 209.8MB in the beginning and 194.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6519.18ms. Allocated memory was 250.6MB in the beginning and 410.0MB in the end (delta: 159.4MB). Free memory was 193.5MB in the beginning and 251.3MB in the end (delta: -57.7MB). Peak memory consumption was 229.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@75a0196b de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@75a0196b: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-05 10:43:31,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-05 10:43:32,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...