/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 11:31:20,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 11:31:20,465 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 11:31:20,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 11:31:20,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 11:31:20,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 11:31:20,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 11:31:20,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 11:31:20,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 11:31:20,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 11:31:20,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 11:31:20,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 11:31:20,494 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 11:31:20,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 11:31:20,495 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:31:20,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:31:20,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:31:20,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 11:31:20,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 11:31:20,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 11:31:20,497 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 11:31:20,497 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 11:31:20,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 11:31:20,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 11:31:20,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 11:31:20,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 11:31:20,706 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 11:31:20,706 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 11:31:20,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2025-04-14 11:31:21,975 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7dbc321a/bed15265984e4dbb88772426b831bccd/FLAG7b7cded2b [2025-04-14 11:31:22,235 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 11:31:22,235 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2025-04-14 11:31:22,255 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7dbc321a/bed15265984e4dbb88772426b831bccd/FLAG7b7cded2b [2025-04-14 11:31:23,175 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7dbc321a/bed15265984e4dbb88772426b831bccd [2025-04-14 11:31:23,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 11:31:23,178 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 11:31:23,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 11:31:23,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 11:31:23,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 11:31:23,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c0a211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23, skipping insertion in model container [2025-04-14 11:31:23,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 11:31:23,563 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[186287,186300] [2025-04-14 11:31:23,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:31:23,608 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 11:31:23,653 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[186287,186300] [2025-04-14 11:31:23,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:31:23,706 INFO L204 MainTranslator]: Completed translation [2025-04-14 11:31:23,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23 WrapperNode [2025-04-14 11:31:23,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 11:31:23,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 11:31:23,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 11:31:23,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 11:31:23,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,751 INFO L138 Inliner]: procedures = 248, calls = 55, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 136 [2025-04-14 11:31:23,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 11:31:23,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 11:31:23,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 11:31:23,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 11:31:23,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,775 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 11:31:23,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 11:31:23,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 11:31:23,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 11:31:23,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (1/1) ... [2025-04-14 11:31:23,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:31:23,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:31:23,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 11:31:23,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 11:31:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-04-14 11:31:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-04-14 11:31:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 11:31:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 11:31:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 11:31:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 11:31:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-14 11:31:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 11:31:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 11:31:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-14 11:31:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 11:31:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-04-14 11:31:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 11:31:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 11:31:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 11:31:23,838 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 11:31:23,991 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 11:31:23,992 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 11:31:24,207 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 11:31:24,207 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 11:31:24,320 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 11:31:24,320 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 11:31:24,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:31:24 BoogieIcfgContainer [2025-04-14 11:31:24,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 11:31:24,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 11:31:24,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 11:31:24,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 11:31:24,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 11:31:23" (1/3) ... [2025-04-14 11:31:24,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f88476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:31:24, skipping insertion in model container [2025-04-14 11:31:24,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:23" (2/3) ... [2025-04-14 11:31:24,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f88476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:31:24, skipping insertion in model container [2025-04-14 11:31:24,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:31:24" (3/3) ... [2025-04-14 11:31:24,348 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2025-04-14 11:31:24,357 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 11:31:24,358 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_5-container_of.i that has 2 procedures, 47 locations, 52 edges, 1 initial locations, 0 loop locations, and 6 error locations. [2025-04-14 11:31:24,359 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 11:31:24,398 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 11:31:24,434 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:31:24,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 11:31:24,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:31:24,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 11:31:24,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 11:31:24,520 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 11:31:24,531 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 11:31:24,539 INFO L340 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, 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;@41518509, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:31:24,539 INFO L341 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-04-14 11:31:24,553 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2025-04-14 11:31:24,553 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:31:24,554 INFO L139 ounterexampleChecker]: Examining path program with hash 1270555238, occurence #1 [2025-04-14 11:31:24,554 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:31:24,554 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:31:24,556 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:31:24,557 INFO L85 PathProgramCache]: Analyzing trace with hash -2061936771, now seen corresponding path program 1 times [2025-04-14 11:31:24,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:31:24,562 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555448779] [2025-04-14 11:31:24,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:31:24,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:31:24,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-14 11:31:24,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-14 11:31:24,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:31:24,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:31:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:31:25,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:31:25,060 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555448779] [2025-04-14 11:31:25,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555448779] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:31:25,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:31:25,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 11:31:25,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176902153] [2025-04-14 11:31:25,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:31:25,063 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 11:31:25,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:31:25,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 11:31:25,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 11:31:25,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:31:25,077 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:31:25,078 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-04-14 11:31:25,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:31:25,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:25,108 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 11:31:25,108 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2025-04-14 11:31:25,108 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:31:25,108 INFO L139 ounterexampleChecker]: Examining path program with hash 835450427, occurence #1 [2025-04-14 11:31:25,109 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:31:25,109 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:31:25,109 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:31:25,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1541266083, now seen corresponding path program 1 times [2025-04-14 11:31:25,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:31:25,109 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5102229] [2025-04-14 11:31:25,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:31:25,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:31:25,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-14 11:31:25,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-14 11:31:25,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:31:25,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:31:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:31:25,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:31:25,362 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5102229] [2025-04-14 11:31:25,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5102229] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:31:25,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:31:25,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 11:31:25,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530644111] [2025-04-14 11:31:25,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:31:25,364 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 11:31:25,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:31:25,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 11:31:25,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 11:31:25,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:31:25,365 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:31:25,365 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-04-14 11:31:25,365 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:25,365 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:31:26,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,216 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 11:31:26,216 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2025-04-14 11:31:26,216 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:31:26,216 INFO L139 ounterexampleChecker]: Examining path program with hash 716512344, occurence #1 [2025-04-14 11:31:26,216 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:31:26,216 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:31:26,217 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:31:26,217 INFO L85 PathProgramCache]: Analyzing trace with hash -938907489, now seen corresponding path program 1 times [2025-04-14 11:31:26,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:31:26,217 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930360044] [2025-04-14 11:31:26,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:31:26,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:31:26,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-04-14 11:31:26,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-14 11:31:26,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:31:26,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:31:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:31:26,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:31:26,452 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930360044] [2025-04-14 11:31:26,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930360044] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:31:26,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:31:26,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 11:31:26,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292268206] [2025-04-14 11:31:26,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:31:26,452 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 11:31:26,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:31:26,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 11:31:26,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 11:31:26,453 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:31:26,453 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:31:26,453 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2025-04-14 11:31:26,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,453 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:31:26,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,525 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 11:31:26,525 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2025-04-14 11:31:26,525 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:31:26,525 INFO L139 ounterexampleChecker]: Examining path program with hash 810828198, occurence #1 [2025-04-14 11:31:26,525 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:31:26,525 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:31:26,526 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:31:26,526 INFO L85 PathProgramCache]: Analyzing trace with hash 958639348, now seen corresponding path program 1 times [2025-04-14 11:31:26,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:31:26,526 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077183000] [2025-04-14 11:31:26,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:31:26,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:31:26,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-14 11:31:26,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-14 11:31:26,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:31:26,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:31:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:31:26,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:31:26,698 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077183000] [2025-04-14 11:31:26,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077183000] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:31:26,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:31:26,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 11:31:26,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543060611] [2025-04-14 11:31:26,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:31:26,699 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 11:31:26,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:31:26,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 11:31:26,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 11:31:26,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:31:26,699 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:31:26,699 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2025-04-14 11:31:26,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:31:26,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:31:26,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:31:26,775 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-14 11:31:26,776 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2025-04-14 11:31:26,776 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:31:26,776 INFO L139 ounterexampleChecker]: Examining path program with hash 976073623, occurence #1 [2025-04-14 11:31:26,776 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:31:26,776 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:31:26,776 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:31:26,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1975511500, now seen corresponding path program 1 times [2025-04-14 11:31:26,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:31:26,776 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900373000] [2025-04-14 11:31:26,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:31:26,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:31:26,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-14 11:31:26,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-14 11:31:26,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:31:26,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 11:31:26,816 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-14 11:31:26,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-14 11:31:26,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-14 11:31:26,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:31:26,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 11:31:26,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-14 11:31:26,863 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-14 11:31:26,864 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2025-04-14 11:31:26,865 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2025-04-14 11:31:26,865 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2025-04-14 11:31:26,865 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2025-04-14 11:31:26,865 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2025-04-14 11:31:26,865 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2025-04-14 11:31:26,865 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2025-04-14 11:31:26,865 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2025-04-14 11:31:26,866 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-14 11:31:26,869 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-04-14 11:31:26,934 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 11:31:26,935 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 11:31:26,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-14 11:31:26,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 11:31:26 BasicIcfg [2025-04-14 11:31:26,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 11:31:26,945 INFO L158 Benchmark]: Toolchain (without parser) took 3767.24ms. Allocated memory is still 155.2MB. Free memory was 108.2MB in the beginning and 39.8MB in the end (delta: 68.4MB). Peak memory consumption was 68.5MB. Max. memory is 8.0GB. [2025-04-14 11:31:26,945 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 11:31:26,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.78ms. Allocated memory is still 155.2MB. Free memory was 108.2MB in the beginning and 74.1MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-14 11:31:26,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.43ms. Allocated memory is still 155.2MB. Free memory was 74.1MB in the beginning and 71.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 11:31:26,946 INFO L158 Benchmark]: Boogie Preprocessor took 36.57ms. Allocated memory is still 155.2MB. Free memory was 71.3MB in the beginning and 68.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 11:31:26,946 INFO L158 Benchmark]: RCFGBuilder took 531.99ms. Allocated memory is still 155.2MB. Free memory was 68.8MB in the beginning and 28.3MB in the end (delta: 40.5MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2025-04-14 11:31:26,946 INFO L158 Benchmark]: TraceAbstraction took 2601.99ms. Allocated memory is still 155.2MB. Free memory was 106.4MB in the beginning and 39.8MB in the end (delta: 66.6MB). Peak memory consumption was 63.9MB. Max. memory is 8.0GB. [2025-04-14 11:31:26,947 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 528.78ms. Allocated memory is still 155.2MB. Free memory was 108.2MB in the beginning and 74.1MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.43ms. Allocated memory is still 155.2MB. Free memory was 74.1MB in the beginning and 71.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.57ms. Allocated memory is still 155.2MB. Free memory was 71.3MB in the beginning and 68.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 531.99ms. Allocated memory is still 155.2MB. Free memory was 68.8MB in the beginning and 28.3MB in the end (delta: 40.5MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2601.99ms. Allocated memory is still 155.2MB. Free memory was 106.4MB in the beginning and 39.8MB in the end (delta: 66.6MB). Peak memory consumption was 63.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 480, independent: 437, independent conditional: 48, independent unconditional: 389, dependent: 43, dependent conditional: 31, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 449, independent: 437, independent conditional: 48, independent unconditional: 389, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 449, independent: 437, independent conditional: 48, independent unconditional: 389, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 449, independent: 437, independent conditional: 48, independent unconditional: 389, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 449, independent: 437, independent conditional: 0, independent unconditional: 437, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 449, independent: 437, independent conditional: 0, independent unconditional: 437, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 401, independent: 389, independent conditional: 0, independent unconditional: 389, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 401, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 668, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 538, dependent conditional: 0, dependent unconditional: 538, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 449, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 401, unknown conditional: 0, unknown unconditional: 401] , Statistics on independence cache: Total cache size (in pairs): 401, Positive cache size: 389, Positive conditional cache size: 0, Positive unconditional cache size: 389, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 48, Maximal queried relation: 0, Independence queries for same thread: 31, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 51, Number of trivial persistent sets: 51, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 401, independent: 389, independent conditional: 0, independent unconditional: 389, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 480, independent: 437, independent conditional: 48, independent unconditional: 389, dependent: 43, dependent conditional: 31, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 449, independent: 437, independent conditional: 48, independent unconditional: 389, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 449, independent: 437, independent conditional: 48, independent unconditional: 389, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 449, independent: 437, independent conditional: 48, independent unconditional: 389, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 449, independent: 437, independent conditional: 0, independent unconditional: 437, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 449, independent: 437, independent conditional: 0, independent unconditional: 437, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 401, independent: 389, independent conditional: 0, independent unconditional: 389, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 401, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 668, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 538, dependent conditional: 0, dependent unconditional: 538, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 449, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 401, unknown conditional: 0, unknown unconditional: 401] , Statistics on independence cache: Total cache size (in pairs): 401, Positive cache size: 389, Positive conditional cache size: 0, Positive unconditional cache size: 389, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 48, Maximal queried relation: 0, Independence queries for same thread: 31 - CounterExampleResult [Line: 3887]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L3888] 0 pthread_t t1,t2; [L3962] CALL, EXPR 0 my_drv_init() [L3956] 0 return 0; [L3962] RET, EXPR 0 my_drv_init() [L3962] 0 int ret = my_drv_init(); [L3963] COND TRUE 0 ret==0 [L3964] 0 int probe_ret; [L3965] 0 struct my_data data; [L3966] CALL, EXPR 0 my_drv_probe(&data) [L3919] 0 struct device *d = &data->dev; [L3923] 0 data->shared.a = 0 [L3924] 0 data->shared.b = 0 [L3925] 0 int res = __VERIFIER_nondet_int(); [L3926] COND FALSE 0 !(\read(res)) [L3929] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [\at(arg, Pre)={6:24}, \at(data, Pre)={6:0}, d={6:24}, data={6:0}, res=0, t1=-1, t2=0] [L3902] 1 struct device *dev = (struct device*)arg; [L3903] 1 struct my_data *data; [L3904] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L3904] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} [L3904] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) [L3907] 1 data->shared.a = 1 VAL [\at(arg, Pre)={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1=-1, t2=0] [L3910] EXPR 1 data->shared.b [L3910] 1 int lb = data->shared.b; [L3913] 1 data->shared.b = lb + 1 VAL [\at(arg, Pre)={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1=-1, t2=0] [L3916] 1 return 0; [L3930] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\at(arg, Pre)={6:24}, \at(data, Pre)={6:0}, \result={0:0}, arg={6:24}, d={6:24}, data={6:0}, data={6:0}, dev={6:24}, lb=0, res=0, t1=-1, t2=0] [L3902] 2 struct device *dev = (struct device*)arg; [L3903] 2 struct my_data *data; [L3904] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L3904] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} [L3904] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) [L3907] 2 data->shared.a = 1 VAL [\at(arg, Pre)={6:24}, \result={0:0}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1=-1, t2=0] [L3910] EXPR 2 data->shared.b [L3910] 2 int lb = data->shared.b; [L3913] 2 data->shared.b = lb + 1 VAL [\at(arg, Pre)={6:24}, \result={0:0}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1=-1, t2=0] [L3916] 2 return 0; [L3931] 0 return 0; VAL [\at(arg, Pre)={6:24}, \at(data, Pre)={6:0}, \result=0, \result={0:0}, arg={6:24}, d={6:24}, data={6:0}, dev={6:24}, lb=0, res=0, t1=-1, t2=0] [L3966] RET, EXPR 0 my_drv_probe(&data) [L3966] 0 probe_ret = my_drv_probe(&data) [L3967] COND TRUE 0 probe_ret==0 [L3968] CALL 0 my_drv_disconnect(&data) [L3937] 0 void *status; VAL [\at(arg, Pre)={6:24}, \at(data, Pre)={6:0}, \result={0:0}, arg={6:24}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1=-1, t2=0] [L3938] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\at(arg, Pre)={6:24}, \at(data, Pre)={6:0}, \result={0:0}, arg={6:24}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1=-1, t2=0] [L3941] 0 data->shared.a = 3 VAL [\at(arg, Pre)={6:24}, \at(data, Pre)={6:0}, \result={0:0}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1=-1, t2=0] [L3944] 0 data->shared.b = 3 VAL [\at(arg, Pre)={6:24}, \at(data, Pre)={6:0}, \result={0:0}, arg={6:24}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1=-1, t2=0] [L3947] EXPR 0 data->shared.a [L3947] CALL 0 ldv_assert(data->shared.a==3) [L3887] COND FALSE 0 !(!expression) [L3947] RET 0 ldv_assert(data->shared.a==3) [L3950] EXPR 0 data->shared.b [L3950] CALL 0 ldv_assert(data->shared.b==3) [L3887] COND FALSE 0 !(!expression) [L3950] RET 0 ldv_assert(data->shared.b==3) [L3952] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\at(arg, Pre)={6:24}, \at(data, Pre)={6:0}, \result={0:0}, arg={6:24}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1=-1, t2=0] [L3968] RET 0 my_drv_disconnect(&data) [L3969] EXPR 0 data.shared.a [L3969] CALL 0 ldv_assert(data.shared.a==1) [L3887] COND TRUE 0 !expression VAL [\at(arg, Pre)={6:24}, \at(expression, Pre)=0, \result={0:0}, arg={6:24}, data={6:0}, dev={6:24}, expression=0, lb=0, t1=-1, t2=0] [L3887] 0 reach_error() VAL [\at(arg, Pre)={6:24}, \at(expression, Pre)=0, \result={0:0}, arg={6:24}, data={6:0}, dev={6:24}, expression=0, lb=0, t1=-1, t2=0] - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3930]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 3929]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 67 locations, 74 edges, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate proved your program to be incorrect! [2025-04-14 11:31:26,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...