/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 -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-15 22:13:15,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 22:13:15,943 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-15 22:13:15,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 22:13:15,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 22:13:15,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 22:13:15,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 22:13:15,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 22:13:15,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 22:13:15,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 22:13:15,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 22:13:15,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 22:13:15,968 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 22:13:15,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 22:13:15,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 22:13:15,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-15 22:13:15,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-15 22:13:15,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-15 22:13:15,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 22:13:15,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 22:13:15,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 22:13:15,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 22:13:15,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-15 22:13:15,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 22:13:15,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 22:13:15,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 22:13:15,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 22:13:15,969 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-15 22:13:15,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 22:13:15,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 22:13:15,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 22:13:15,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 22:13:15,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 22:13:15,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-15 22:13:15,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-15 22:13:15,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 22:13:15,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-15 22:13:15,970 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-15 22:13:15,970 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-15 22:13:15,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-15 22:13:16,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 22:13:16,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 22:13:16,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 22:13:16,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 22:13:16,180 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 22:13:16,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2024-11-15 22:13:17,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 22:13:17,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 22:13:17,554 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2024-11-15 22:13:17,582 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f47ffd903/fa1f13fd820e4ab9b8cc78c225431448/FLAGd574823cf [2024-11-15 22:13:17,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/f47ffd903/fa1f13fd820e4ab9b8cc78c225431448 [2024-11-15 22:13:17,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 22:13:17,851 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 22:13:17,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 22:13:17,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 22:13:17,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 22:13:17,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:13:17" (1/1) ... [2024-11-15 22:13:17,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6822909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:17, skipping insertion in model container [2024-11-15 22:13:17,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:13:17" (1/1) ... [2024-11-15 22:13:17,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 22:13:18,125 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i[186287,186300] [2024-11-15 22:13:18,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 22:13:18,167 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 22:13:18,206 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i[186287,186300] [2024-11-15 22:13:18,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 22:13:18,248 INFO L204 MainTranslator]: Completed translation [2024-11-15 22:13:18,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18 WrapperNode [2024-11-15 22:13:18,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 22:13:18,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 22:13:18,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 22:13:18,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 22:13:18,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (1/1) ... [2024-11-15 22:13:18,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (1/1) ... [2024-11-15 22:13:18,279 INFO L138 Inliner]: procedures = 248, calls = 55, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 136 [2024-11-15 22:13:18,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 22:13:18,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 22:13:18,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 22:13:18,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 22:13:18,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (1/1) ... [2024-11-15 22:13:18,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (1/1) ... [2024-11-15 22:13:18,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (1/1) ... [2024-11-15 22:13:18,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (1/1) ... [2024-11-15 22:13:18,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (1/1) ... [2024-11-15 22:13:18,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (1/1) ... [2024-11-15 22:13:18,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (1/1) ... [2024-11-15 22:13:18,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (1/1) ... [2024-11-15 22:13:18,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 22:13:18,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 22:13:18,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 22:13:18,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 22:13:18,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (1/1) ... [2024-11-15 22:13:18,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 22:13:18,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 22:13:18,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-15 22:13:18,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-15 22:13:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-15 22:13:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-15 22:13:18,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 22:13:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 22:13:18,346 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-15 22:13:18,551 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 22:13:18,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 22:13:18,721 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-15 22:13:18,721 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 22:13:18,761 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 22:13:18,761 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-15 22:13:18,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:13:18 BoogieIcfgContainer [2024-11-15 22:13:18,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 22:13:18,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 22:13:18,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 22:13:18,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 22:13:18,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:13:17" (1/3) ... [2024-11-15 22:13:18,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785d75e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:13:18, skipping insertion in model container [2024-11-15 22:13:18,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:13:18" (2/3) ... [2024-11-15 22:13:18,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785d75e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:13:18, skipping insertion in model container [2024-11-15 22:13:18,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:13:18" (3/3) ... [2024-11-15 22:13:18,768 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2024-11-15 22:13:18,779 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 22:13:18,781 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_4-container_of.i that has 2 procedures, 147 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-11-15 22:13:18,781 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-15 22:13:18,831 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-15 22:13:18,867 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 22:13:18,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-15 22:13:18,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 22:13:18,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-15 22:13:18,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-15 22:13:18,958 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 22:13:18,968 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-15 22:13:18,974 INFO L333 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;@78fbbf7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 22:13:18,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-15 22:13:18,994 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-15 22:13:18,995 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:13:18,995 INFO L132 ounterexampleChecker]: Examining path program with hash -201673004, occurence #1 [2024-11-15 22:13:18,995 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:13:18,995 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:13:19,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:13:19,000 INFO L85 PathProgramCache]: Analyzing trace with hash 239150956, now seen corresponding path program 1 times [2024-11-15 22:13:19,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:13:19,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10578582] [2024-11-15 22:13:19,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:13:19,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:13:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:13:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:13:19,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:13:19,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10578582] [2024-11-15 22:13:19,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10578582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:13:19,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:13:19,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-15 22:13:19,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272509115] [2024-11-15 22:13:19,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:13:19,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 22:13:19,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:13:19,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 22:13:19,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 22:13:19,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:13:19,415 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:13:19,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-11-15 22:13:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:13:19,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:19,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-15 22:13:19,474 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-15 22:13:19,474 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:13:19,474 INFO L132 ounterexampleChecker]: Examining path program with hash 1304967095, occurence #1 [2024-11-15 22:13:19,474 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:13:19,474 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:13:19,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:13:19,474 INFO L85 PathProgramCache]: Analyzing trace with hash 237148889, now seen corresponding path program 1 times [2024-11-15 22:13:19,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:13:19,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461174491] [2024-11-15 22:13:19,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:13:19,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:13:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:13:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:13:19,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:13:19,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461174491] [2024-11-15 22:13:19,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461174491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:13:19,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:13:19,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 22:13:19,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13294702] [2024-11-15 22:13:19,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:13:19,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 22:13:19,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:13:19,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 22:13:19,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-15 22:13:19,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:13:19,808 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:13:19,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2024-11-15 22:13:19,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:19,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:13:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:19,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:19,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-15 22:13:19,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-15 22:13:19,888 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:13:19,888 INFO L132 ounterexampleChecker]: Examining path program with hash 212907612, occurence #1 [2024-11-15 22:13:19,888 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:13:19,888 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:13:19,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:13:19,888 INFO L85 PathProgramCache]: Analyzing trace with hash 231580460, now seen corresponding path program 1 times [2024-11-15 22:13:19,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:13:19,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852046373] [2024-11-15 22:13:19,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:13:19,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:13:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:13:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:13:20,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:13:20,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852046373] [2024-11-15 22:13:20,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852046373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:13:20,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:13:20,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 22:13:20,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122452246] [2024-11-15 22:13:20,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:13:20,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 22:13:20,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:13:20,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 22:13:20,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-15 22:13:20,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:13:20,154 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:13:20,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-11-15 22:13:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:13:20,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:20,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 22:13:20,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-15 22:13:20,934 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-15 22:13:20,934 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:13:20,935 INFO L132 ounterexampleChecker]: Examining path program with hash 46506848, occurence #1 [2024-11-15 22:13:20,935 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:13:20,935 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:13:20,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:13:20,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1032728253, now seen corresponding path program 1 times [2024-11-15 22:13:20,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:13:20,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972967765] [2024-11-15 22:13:20,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:13:20,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:13:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:13:21,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:13:21,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:13:21,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972967765] [2024-11-15 22:13:21,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972967765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:13:21,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:13:21,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 22:13:21,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861832151] [2024-11-15 22:13:21,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:13:21,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 22:13:21,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:13:21,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 22:13:21,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 22:13:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:13:21,186 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:13:21,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 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) [2024-11-15 22:13:21,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:21,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:21,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 22:13:21,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:13:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 22:13:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 22:13:21,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-15 22:13:21,241 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-15 22:13:21,241 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:13:21,242 INFO L132 ounterexampleChecker]: Examining path program with hash 534844964, occurence #1 [2024-11-15 22:13:21,242 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:13:21,242 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:13:21,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:13:21,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1949804318, now seen corresponding path program 1 times [2024-11-15 22:13:21,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:13:21,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920822504] [2024-11-15 22:13:21,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:13:21,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:13:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:13:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:13:21,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:13:21,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920822504] [2024-11-15 22:13:21,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920822504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:13:21,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:13:21,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 22:13:21,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584503363] [2024-11-15 22:13:21,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:13:21,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 22:13:21,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:13:21,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 22:13:21,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 22:13:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:13:21,410 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:13:21,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 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) [2024-11-15 22:13:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 22:13:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 22:13:21,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:13:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 22:13:21,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 22:13:21,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-15 22:13:21,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 22:13:21,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 22:13:21,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-15 22:13:21,499 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-15 22:13:21,499 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:13:21,500 INFO L132 ounterexampleChecker]: Examining path program with hash -1135871145, occurence #1 [2024-11-15 22:13:21,500 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:13:21,500 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:13:21,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:13:21,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2145098841, now seen corresponding path program 1 times [2024-11-15 22:13:21,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:13:21,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327204851] [2024-11-15 22:13:21,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:13:21,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:13:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 22:13:21,542 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-15 22:13:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 22:13:21,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-15 22:13:21,611 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-15 22:13:21,611 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2024-11-15 22:13:21,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-11-15 22:13:21,612 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-11-15 22:13:21,613 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-11-15 22:13:21,613 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-11-15 22:13:21,613 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-11-15 22:13:21,613 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-11-15 22:13:21,613 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-11-15 22:13:21,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-15 22:13:21,616 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-15 22:13:21,699 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-15 22:13:21,699 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-15 22:13:21,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-15 22:13:21,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:13:21 BasicIcfg [2024-11-15 22:13:21,718 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-15 22:13:21,719 INFO L158 Benchmark]: Toolchain (without parser) took 3868.09ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 69.5MB in the beginning and 93.5MB in the end (delta: -24.0MB). Peak memory consumption was 93.7MB. Max. memory is 8.0GB. [2024-11-15 22:13:21,719 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 22:13:21,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.82ms. Allocated memory is still 100.7MB. Free memory was 69.3MB in the beginning and 38.0MB in the end (delta: 31.3MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2024-11-15 22:13:21,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.61ms. Allocated memory is still 100.7MB. Free memory was 38.0MB in the beginning and 35.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 22:13:21,720 INFO L158 Benchmark]: Boogie Preprocessor took 21.61ms. Allocated memory is still 100.7MB. Free memory was 35.7MB in the beginning and 33.4MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-15 22:13:21,720 INFO L158 Benchmark]: RCFGBuilder took 459.07ms. Allocated memory is still 100.7MB. Free memory was 33.2MB in the beginning and 53.1MB in the end (delta: -20.0MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. [2024-11-15 22:13:21,720 INFO L158 Benchmark]: TraceAbstraction took 2956.16ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 52.7MB in the beginning and 93.5MB in the end (delta: -40.8MB). Peak memory consumption was 70.2MB. Max. memory is 8.0GB. [2024-11-15 22:13:21,721 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 396.82ms. Allocated memory is still 100.7MB. Free memory was 69.3MB in the beginning and 38.0MB in the end (delta: 31.3MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.61ms. Allocated memory is still 100.7MB. Free memory was 38.0MB in the beginning and 35.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 21.61ms. Allocated memory is still 100.7MB. Free memory was 35.7MB in the beginning and 33.4MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 459.07ms. Allocated memory is still 100.7MB. Free memory was 33.2MB in the beginning and 53.1MB in the end (delta: -20.0MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. * TraceAbstraction took 2956.16ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 52.7MB in the beginning and 93.5MB in the end (delta: -40.8MB). Peak memory consumption was 70.2MB. 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: 2432, independent: 2394, independent conditional: 102, independent unconditional: 2292, dependent: 38, dependent conditional: 27, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2405, independent: 2394, independent conditional: 102, independent unconditional: 2292, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2405, independent: 2394, independent conditional: 102, independent unconditional: 2292, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2405, independent: 2394, independent conditional: 102, independent unconditional: 2292, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2405, independent: 2394, independent conditional: 0, independent unconditional: 2394, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2405, independent: 2394, independent conditional: 0, independent unconditional: 2394, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2303, independent: 2292, independent conditional: 0, independent unconditional: 2292, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2303, independent: 2288, independent conditional: 0, independent unconditional: 2288, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 471, independent: 91, independent conditional: 0, independent unconditional: 91, dependent: 380, dependent conditional: 0, dependent unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2405, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2303, unknown conditional: 0, unknown unconditional: 2303] , Statistics on independence cache: Total cache size (in pairs): 2303, Positive cache size: 2292, Positive conditional cache size: 0, Positive unconditional cache size: 2292, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 102, Maximal queried relation: 0, Independence queries for same thread: 27, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 144, Number of trivial persistent sets: 144, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2303, independent: 2292, independent conditional: 0, independent unconditional: 2292, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2432, independent: 2394, independent conditional: 102, independent unconditional: 2292, dependent: 38, dependent conditional: 27, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2405, independent: 2394, independent conditional: 102, independent unconditional: 2292, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2405, independent: 2394, independent conditional: 102, independent unconditional: 2292, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2405, independent: 2394, independent conditional: 102, independent unconditional: 2292, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2405, independent: 2394, independent conditional: 0, independent unconditional: 2394, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2405, independent: 2394, independent conditional: 0, independent unconditional: 2394, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2303, independent: 2292, independent conditional: 0, independent unconditional: 2292, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2303, independent: 2288, independent conditional: 0, independent unconditional: 2288, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 471, independent: 91, independent conditional: 0, independent unconditional: 91, dependent: 380, dependent conditional: 0, dependent unconditional: 380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2405, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2303, unknown conditional: 0, unknown unconditional: 2303] , Statistics on independence cache: Total cache size (in pairs): 2303, Positive cache size: 2292, Positive conditional cache size: 0, Positive unconditional cache size: 2292, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 102, Maximal queried relation: 0, Independence queries for same thread: 27 - 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; VAL [t1=0, t2=0] [L3962] CALL, EXPR 0 my_drv_init() [L3956] 0 return 0; VAL [\result=0, t1=0, t2=0] [L3962] RET, EXPR 0 my_drv_init() [L3962] 0 int ret = my_drv_init(); VAL [ret=0, t1=0, t2=0] [L3963] COND TRUE 0 ret==0 VAL [ret=0, t1=0, t2=0] [L3964] 0 int probe_ret; VAL [ret=0, t1=0, t2=0] [L3965] 0 struct my_data data; VAL [data={6:0}, ret=0, t1=0, t2=0] [L3966] CALL, EXPR 0 my_drv_probe(&data) [L3919] 0 struct device *d = &data->dev; VAL [\old(data)={6:0}, d={6:28}, data={6:0}, t1=0, t2=0] [L3923] 0 data->shared.a = 0 VAL [\old(data)={6:0}, d={6:28}, data={6:0}, t1=0, t2=0] [L3924] 0 data->shared.b = 0 VAL [\old(data)={6:0}, d={6:28}, data={6:0}, t1=0, t2=0] [L3925] 0 int res = __VERIFIER_nondet_int(); VAL [\old(data)={6:0}, d={6:28}, data={6:0}, res=0, t1=0, t2=0] [L3926] COND FALSE 0 !(\read(res)) VAL [\old(data)={6:0}, d={6:28}, data={6:0}, res=0, t1=0, t2=0] [L3929] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [\old(arg)={6:28}, \old(data)={6:0}, d={6:28}, data={6:0}, res=0, t1=-1, t2=0] [L3902] 1 struct device *dev = (struct device*)arg; VAL [\old(arg)={6:28}, arg={6:28}, dev={6:28}, t1=-1, t2=0] [L3903] 1 struct my_data *data; VAL [\old(arg)={6:28}, arg={6:28}, dev={6:28}, t1=-1, t2=0] [L3904] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [\old(arg)={6:28}, __mptr={6:28}, arg={6:28}, dev={6:28}, t1=-1, t2=0] [L3904] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} VAL [\old(arg)={6:28}, __mptr={6:28}, arg={6:28}, dev={6:28}, t1=-1, t2=0] [L3904] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) VAL [\old(arg)={6:28}, arg={6:28}, data={6:0}, dev={6:28}, t1=-1, t2=0] [L3907] 1 data->shared.a = 1 VAL [\old(arg)={6:28}, arg={6:28}, data={6:0}, dev={6:28}, 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 [\old(arg)={6:28}, arg={6:28}, data={6:0}, dev={6:28}, lb=0, t1=-1, t2=0] [L3916] 1 return 0; VAL [\old(arg)={6:28}, \result={0:0}, arg={6:28}, data={6:0}, dev={6:28}, lb=0, t1=-1, t2=0] [L3930] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\old(arg)={6:28}, \old(data)={6:0}, \result={0:0}, arg={6:28}, d={6:28}, data={6:0}, data={6:0}, dev={6:28}, lb=0, res=0, t1=-1, t2=0] [L3902] 2 struct device *dev = (struct device*)arg; VAL [\old(arg)={6:28}, \result={0:0}, arg={6:28}, data={6:0}, dev={6:28}, lb=0, t1=-1, t2=0] [L3903] 2 struct my_data *data; VAL [\old(arg)={6:28}, \result={0:0}, arg={6:28}, data={6:0}, dev={6:28}, lb=0, t1=-1, t2=0] [L3904] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [\old(arg)={6:28}, \result={0:0}, __mptr={6:28}, arg={6:28}, data={6:0}, dev={6:28}, lb=0, t1=-1, t2=0] [L3904] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} VAL [\old(arg)={6:28}, \result={0:0}, __mptr={6:28}, arg={6:28}, data={6:0}, dev={6:28}, lb=0, t1=-1, t2=0] [L3904] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) VAL [\old(arg)={6:28}, \result={0:0}, arg={6:28}, data={6:0}, dev={6:28}, lb=0, t1=-1, t2=0] [L3907] 2 data->shared.a = 1 VAL [\old(arg)={6:28}, \result={0:0}, arg={6:28}, data={6:0}, dev={6:28}, 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 [\old(arg)={6:28}, \result={0:0}, arg={6:28}, data={6:0}, dev={6:28}, lb=0, t1=-1, t2=0] [L3916] 2 return 0; VAL [\old(arg)={6:28}, \result={0:0}, arg={6:28}, data={6:0}, dev={6:28}, lb=0, t1=-1, t2=0] [L3931] 0 return 0; VAL [\old(arg)={6:28}, \old(data)={6:0}, \result=0, \result={0:0}, arg={6:28}, d={6:28}, data={6:0}, data={6:0}, dev={6:28}, lb=0, res=0, t1=-1, t2=0] [L3966] RET, EXPR 0 my_drv_probe(&data) [L3966] 0 probe_ret = my_drv_probe(&data) VAL [\old(arg)={6:28}, \result={0:0}, arg={6:28}, data={6:0}, data={6:0}, dev={6:28}, lb=0, probe_ret=0, ret=0, t1=-1, t2=0] [L3967] COND TRUE 0 probe_ret==0 [L3968] CALL 0 my_drv_disconnect(&data) [L3937] 0 void *status; VAL [\old(arg)={6:28}, \old(data)={6:0}, \result={0:0}, arg={6:28}, data={6:0}, data={6:0}, dev={6:28}, lb=0, status={5:0}, t1=-1, t2=0] [L3940] 0 data->shared.a = 3 VAL [\old(arg)={6:28}, \old(data)={6:0}, \result={0:0}, arg={6:28}, data={6:0}, data={6:0}, dev={6:28}, lb=0, status={5:0}, t1=-1, t2=0] [L3943] 0 data->shared.b = 3 VAL [\old(arg)={6:28}, \old(data)={6:0}, \result={0:0}, arg={6:28}, data={6:0}, data={6:0}, dev={6:28}, lb=0, status={5:0}, t1=-1, t2=0] [L3946] EXPR 0 data->shared.a [L3946] CALL 0 ldv_assert(data->shared.a==3) [L3887] COND FALSE 0 !(!expression) [L3946] RET 0 ldv_assert(data->shared.a==3) [L3949] EXPR 0 data->shared.b [L3949] CALL 0 ldv_assert(data->shared.b==3) [L3887] COND FALSE 0 !(!expression) [L3949] RET 0 ldv_assert(data->shared.b==3) [L3951] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\old(arg)={6:28}, \old(data)={6:0}, \result={0:0}, arg={6:28}, data={6:0}, data={6:0}, dev={6:28}, lb=0, status={5:0}, t1=-1, t2=0] [L3952] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\old(arg)={6:28}, \old(data)={6:0}, \result={0:0}, arg={6:28}, data={6:0}, data={6:0}, dev={6:28}, lb=0, status={5:0}, t1=-1, t2=0] [L3968] RET 0 my_drv_disconnect(&data) [L3969] EXPR 0 data.shared.a VAL [\old(arg)={6:28}, \result={0:0}, arg={6:28}, data={6:0}, data={6:0}, dev={6:28}, lb=0, probe_ret=0, ret=0, t1=-1, t2=0] [L3969] CALL 0 ldv_assert(data.shared.a==1) [L3887] COND TRUE 0 !expression VAL [\old(arg)={6:28}, \old(expression)=0, \result={0:0}, arg={6:28}, data={6:0}, dev={6:28}, expression=0, lb=0, t1=-1, t2=0] [L3887] 0 reach_error() VAL [\old(arg)={6:28}, \old(expression)=0, \result={0:0}, arg={6:28}, data={6:0}, dev={6:28}, 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, 185 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, 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: 27, 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, 1.1s InterpolantComputationTime, 452 NumberOfCodeBlocks, 452 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 337 ConstructedInterpolants, 0 QuantifiedInterpolants, 533 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate proved your program to be incorrect! [2024-11-15 22:13:21,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...