/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 19:25:34,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 19:25:34,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 19:25:34,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-23 19:25:35,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 19:25:35,079 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 19:25:35,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 19:25:35,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 19:25:35,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 19:25:35,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 19:25:35,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 19:25:35,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 19:25:35,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 19:25:35,083 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 19:25:35,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 19:25:35,084 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 19:25:35,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 19:25:35,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 19:25:35,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 19:25:35,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 19:25:35,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 19:25:35,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 19:25:35,085 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 19:25:35,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 19:25:35,085 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 19:25:35,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 19:25:35,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 19:25:35,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 19:25:35,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 19:25:35,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 19:25:35,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 19:25:35,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 19:25:35,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 19:25:35,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 19:25:35,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 19:25:35,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 19:25:35,086 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 19:25:35,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 19:25:35,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 19:25:35,087 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 19:25:35,087 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 19:25:35,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 19:25:35,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 19:25:35,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 19:25:35,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 19:25:35,339 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 19:25:35,339 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 19:25:35,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-03-23 19:25:36,551 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 19:25:36,847 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 19:25:36,848 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-03-23 19:25:36,871 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/350aaa97e/b4c164c9b411415f8322e651a5a9d80a/FLAG6ce419b02 [2023-03-23 19:25:36,886 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/350aaa97e/b4c164c9b411415f8322e651a5a9d80a [2023-03-23 19:25:36,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 19:25:36,889 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 19:25:36,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 19:25:36,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 19:25:36,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 19:25:36,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 07:25:36" (1/1) ... [2023-03-23 19:25:36,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e2de6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:36, skipping insertion in model container [2023-03-23 19:25:36,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 07:25:36" (1/1) ... [2023-03-23 19:25:36,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 19:25:36,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 19:25:37,072 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-03-23 19:25:37,512 WARN L247 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_2-container_of.i[75002,75015] [2023-03-23 19:25:37,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 19:25:37,556 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 19:25:37,573 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-03-23 19:25:37,626 WARN L247 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_2-container_of.i[75002,75015] [2023-03-23 19:25:37,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 19:25:37,726 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 19:25:37,727 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 19:25:37,727 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 19:25:37,732 INFO L208 MainTranslator]: Completed translation [2023-03-23 19:25:37,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37 WrapperNode [2023-03-23 19:25:37,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 19:25:37,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 19:25:37,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 19:25:37,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 19:25:37,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (1/1) ... [2023-03-23 19:25:37,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (1/1) ... [2023-03-23 19:25:37,799 INFO L138 Inliner]: procedures = 468, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 116 [2023-03-23 19:25:37,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 19:25:37,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 19:25:37,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 19:25:37,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 19:25:37,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (1/1) ... [2023-03-23 19:25:37,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (1/1) ... [2023-03-23 19:25:37,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (1/1) ... [2023-03-23 19:25:37,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (1/1) ... [2023-03-23 19:25:37,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (1/1) ... [2023-03-23 19:25:37,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (1/1) ... [2023-03-23 19:25:37,833 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (1/1) ... [2023-03-23 19:25:37,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (1/1) ... [2023-03-23 19:25:37,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 19:25:37,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 19:25:37,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 19:25:37,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 19:25:37,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (1/1) ... [2023-03-23 19:25:37,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 19:25:37,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:25:37,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-23 19:25:37,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-23 19:25:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 19:25:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 19:25:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 19:25:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 19:25:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 19:25:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-23 19:25:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 19:25:37,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 19:25:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-03-23 19:25:37,929 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-03-23 19:25:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 19:25:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 19:25:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 19:25:37,930 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 19:25:38,321 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 19:25:38,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 19:25:38,582 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 19:25:38,597 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 19:25:38,597 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-23 19:25:38,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 07:25:38 BoogieIcfgContainer [2023-03-23 19:25:38,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 19:25:38,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 19:25:38,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 19:25:38,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 19:25:38,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 07:25:36" (1/3) ... [2023-03-23 19:25:38,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a17a806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 07:25:38, skipping insertion in model container [2023-03-23 19:25:38,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:37" (2/3) ... [2023-03-23 19:25:38,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a17a806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 07:25:38, skipping insertion in model container [2023-03-23 19:25:38,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 07:25:38" (3/3) ... [2023-03-23 19:25:38,606 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2023-03-23 19:25:38,613 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 19:25:38,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 19:25:38,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-03-23 19:25:38,622 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 19:25:38,678 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-03-23 19:25:38,713 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 19:25:38,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 19:25:38,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:25:38,717 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) [2023-03-23 19:25:38,719 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 [2023-03-23 19:25:38,743 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 19:25:38,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 19:25:38,758 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@78e12ea5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 19:25:38,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-03-23 19:25:38,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-03-23 19:25:38,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:25:38,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1109289040, now seen corresponding path program 1 times [2023-03-23 19:25:38,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:25:38,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957766673] [2023-03-23 19:25:38,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:25:38,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:25:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:25:39,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:25:39,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:25:39,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957766673] [2023-03-23 19:25:39,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957766673] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:25:39,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:25:39,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 19:25:39,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388985062] [2023-03-23 19:25:39,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:25:39,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 19:25:39,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:25:39,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 19:25:39,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-23 19:25:39,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:25:39,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:25:39,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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) [2023-03-23 19:25:39,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:25:39,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 19:25:39,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 19:25:39,885 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-03-23 19:25:39,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:25:39,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1905414335, now seen corresponding path program 1 times [2023-03-23 19:25:39,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:25:39,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909119061] [2023-03-23 19:25:39,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:25:39,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:25:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:25:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:25:40,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:25:40,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909119061] [2023-03-23 19:25:40,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909119061] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:25:40,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:25:40,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 19:25:40,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831085613] [2023-03-23 19:25:40,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:25:40,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 19:25:40,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:25:40,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 19:25:40,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-23 19:25:40,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:25:40,254 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:25:40,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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) [2023-03-23 19:25:40,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 19:25:40,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:25:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:25:47,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 19:25:47,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 19:25:47,002 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-03-23 19:25:47,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:25:47,003 INFO L85 PathProgramCache]: Analyzing trace with hash 871675117, now seen corresponding path program 1 times [2023-03-23 19:25:47,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:25:47,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715322041] [2023-03-23 19:25:47,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:25:47,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:25:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:25:49,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:25:49,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:25:49,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715322041] [2023-03-23 19:25:49,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715322041] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:25:49,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:25:49,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-03-23 19:25:49,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063042325] [2023-03-23 19:25:49,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:25:49,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-23 19:25:49,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:25:49,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-23 19:25:49,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2023-03-23 19:25:49,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:25:49,057 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:25:49,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.9) internal successors, (98), 20 states have internal predecessors, (98), 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) [2023-03-23 19:25:49,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:25:49,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 19:25:49,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:25:50,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:25:50,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 19:25:50,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 19:25:50,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-23 19:25:50,297 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-03-23 19:25:50,297 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:25:50,298 INFO L85 PathProgramCache]: Analyzing trace with hash 329514079, now seen corresponding path program 1 times [2023-03-23 19:25:50,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:25:50,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350971035] [2023-03-23 19:25:50,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:25:50,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:25:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:25:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:25:54,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:25:54,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350971035] [2023-03-23 19:25:54,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350971035] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:25:54,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:25:54,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2023-03-23 19:25:54,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052969757] [2023-03-23 19:25:54,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:25:54,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-03-23 19:25:54,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:25:54,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-03-23 19:25:54,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=918, Unknown=0, NotChecked=0, Total=992 [2023-03-23 19:25:54,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:25:54,293 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:25:54,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.25) internal successors, (104), 32 states have internal predecessors, (104), 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) [2023-03-23 19:25:54,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:25:54,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 19:25:54,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 19:25:54,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:26:07,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:26:07,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 19:26:07,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 19:26:07,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-03-23 19:26:07,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-23 19:26:07,772 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-03-23 19:26:07,773 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:26:07,773 INFO L85 PathProgramCache]: Analyzing trace with hash -553446355, now seen corresponding path program 2 times [2023-03-23 19:26:07,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:26:07,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904922647] [2023-03-23 19:26:07,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:26:07,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:26:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:26:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:26:10,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:26:10,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904922647] [2023-03-23 19:26:10,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904922647] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:26:10,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:26:10,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-03-23 19:26:10,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198802217] [2023-03-23 19:26:10,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:26:10,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-03-23 19:26:10,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:26:10,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-03-23 19:26:10,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2023-03-23 19:26:10,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:26:10,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:26:10,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.769230769230769) internal successors, (98), 26 states have internal predecessors, (98), 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) [2023-03-23 19:26:10,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:26:10,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 19:26:10,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-03-23 19:26:10,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-03-23 19:26:10,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:26:14,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:26:14,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 19:26:14,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 19:26:14,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-03-23 19:26:14,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 19:26:14,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-23 19:26:14,462 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-03-23 19:26:14,462 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:26:14,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1706945439, now seen corresponding path program 2 times [2023-03-23 19:26:14,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:26:14,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459705488] [2023-03-23 19:26:14,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:26:14,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:26:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:26:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:26:17,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:26:17,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459705488] [2023-03-23 19:26:17,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459705488] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:26:17,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:26:17,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2023-03-23 19:26:17,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226330313] [2023-03-23 19:26:17,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:26:17,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-03-23 19:26:17,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:26:17,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-03-23 19:26:17,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=918, Unknown=0, NotChecked=0, Total=992 [2023-03-23 19:26:17,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:26:17,387 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:26:17,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.25) internal successors, (104), 32 states have internal predecessors, (104), 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) [2023-03-23 19:26:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:26:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 19:26:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-03-23 19:26:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-03-23 19:26:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 19:26:17,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:26:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 19:26:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 19:26:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 19:26:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-03-23 19:26:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 19:26:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-03-23 19:26:30,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-23 19:26:30,094 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-03-23 19:26:30,094 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:26:30,094 INFO L85 PathProgramCache]: Analyzing trace with hash 733033577, now seen corresponding path program 3 times [2023-03-23 19:26:30,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:26:30,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909210766] [2023-03-23 19:26:30,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:26:30,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:26:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-23 19:26:30,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-23 19:26:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-23 19:26:30,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-03-23 19:26:30,224 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-23 19:26:30,227 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-03-23 19:26:30,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-03-23 19:26:30,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2023-03-23 19:26:30,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2023-03-23 19:26:30,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2023-03-23 19:26:30,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2023-03-23 19:26:30,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-23 19:26:30,248 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2023-03-23 19:26:30,253 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 19:26:30,254 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 19:26:30,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 07:26:30 BasicIcfg [2023-03-23 19:26:30,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 19:26:30,347 INFO L158 Benchmark]: Toolchain (without parser) took 53457.26ms. Allocated memory was 261.1MB in the beginning and 543.2MB in the end (delta: 282.1MB). Free memory was 215.5MB in the beginning and 304.3MB in the end (delta: -88.7MB). Peak memory consumption was 194.9MB. Max. memory is 8.0GB. [2023-03-23 19:26:30,347 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory was 146.4MB in the beginning and 146.2MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 19:26:30,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.64ms. Allocated memory is still 261.1MB. Free memory was 215.5MB in the beginning and 161.0MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. [2023-03-23 19:26:30,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.70ms. Allocated memory is still 261.1MB. Free memory was 161.0MB in the beginning and 157.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-23 19:26:30,347 INFO L158 Benchmark]: Boogie Preprocessor took 39.83ms. Allocated memory is still 261.1MB. Free memory was 157.8MB in the beginning and 155.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-23 19:26:30,348 INFO L158 Benchmark]: RCFGBuilder took 757.60ms. Allocated memory is still 261.1MB. Free memory was 155.2MB in the beginning and 210.0MB in the end (delta: -54.8MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. [2023-03-23 19:26:30,348 INFO L158 Benchmark]: TraceAbstraction took 51745.29ms. Allocated memory was 261.1MB in the beginning and 543.2MB in the end (delta: 282.1MB). Free memory was 209.5MB in the beginning and 304.3MB in the end (delta: -94.7MB). Peak memory consumption was 187.3MB. Max. memory is 8.0GB. [2023-03-23 19:26:30,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory was 146.4MB in the beginning and 146.2MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 840.64ms. Allocated memory is still 261.1MB. Free memory was 215.5MB in the beginning and 161.0MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.70ms. Allocated memory is still 261.1MB. Free memory was 161.0MB in the beginning and 157.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.83ms. Allocated memory is still 261.1MB. Free memory was 157.8MB in the beginning and 155.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 757.60ms. Allocated memory is still 261.1MB. Free memory was 155.2MB in the beginning and 210.0MB in the end (delta: -54.8MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. * TraceAbstraction took 51745.29ms. Allocated memory was 261.1MB in the beginning and 543.2MB in the end (delta: 282.1MB). Free memory was 209.5MB in the beginning and 304.3MB in the end (delta: -94.7MB). Peak memory consumption was 187.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1474, independent: 1383, independent conditional: 470, independent unconditional: 913, dependent: 73, dependent conditional: 54, dependent unconditional: 19, unknown: 18, unknown conditional: 4, unknown unconditional: 14] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1423, independent: 1383, independent conditional: 470, independent unconditional: 913, dependent: 22, dependent conditional: 3, dependent unconditional: 19, unknown: 18, unknown conditional: 4, unknown unconditional: 14] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1423, independent: 1383, independent conditional: 470, independent unconditional: 913, dependent: 22, dependent conditional: 3, dependent unconditional: 19, unknown: 18, unknown conditional: 4, unknown unconditional: 14] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1469, independent: 1383, independent conditional: 22, independent unconditional: 1361, dependent: 47, dependent conditional: 11, dependent unconditional: 36, unknown: 39, unknown conditional: 13, unknown unconditional: 26] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1469, independent: 1383, independent conditional: 22, independent unconditional: 1361, dependent: 47, dependent conditional: 11, dependent unconditional: 36, unknown: 39, unknown conditional: 13, unknown unconditional: 26] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1469, independent: 1383, independent conditional: 22, independent unconditional: 1361, dependent: 47, dependent conditional: 11, dependent unconditional: 36, unknown: 39, unknown conditional: 13, unknown unconditional: 26] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 980, independent: 933, independent conditional: 20, independent unconditional: 913, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 22, unknown conditional: 8, unknown unconditional: 14] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 980, independent: 912, independent conditional: 0, independent unconditional: 912, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 68, independent: 21, independent conditional: 20, independent unconditional: 1, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 22, unknown conditional: 8, unknown unconditional: 14] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, independent: 21, independent conditional: 20, independent unconditional: 1, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 22, unknown conditional: 8, unknown unconditional: 14] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24141, independent: 383, independent conditional: 356, independent unconditional: 27, dependent: 336, dependent conditional: 103, dependent unconditional: 233, unknown: 23421, unknown conditional: 8488, unknown unconditional: 14934] , Protected Queries: 0 ], Cache Queries: [ total: 1469, independent: 450, independent conditional: 2, independent unconditional: 448, dependent: 22, dependent conditional: 5, dependent unconditional: 17, unknown: 997, unknown conditional: 39, unknown unconditional: 958] , Statistics on independence cache: Total cache size (in pairs): 958, Positive cache size: 933, Positive conditional cache size: 20, Positive unconditional cache size: 913, Negative cache size: 25, Negative conditional cache size: 6, Negative unconditional cache size: 19, Unknown cache size: 22, Unknown conditional cache size: 8, Unknown unconditional cache size: 14, Eliminated conditions: 0, Maximal queried relation: 4, Independence queries for same thread: 51 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 15.2s, Number of persistent set computation: 188, Number of trivial persistent sets: 174, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 946, independent: 913, independent conditional: 0, independent unconditional: 913, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1474, independent: 1383, independent conditional: 470, independent unconditional: 913, dependent: 73, dependent conditional: 54, dependent unconditional: 19, unknown: 18, unknown conditional: 4, unknown unconditional: 14] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1423, independent: 1383, independent conditional: 470, independent unconditional: 913, dependent: 22, dependent conditional: 3, dependent unconditional: 19, unknown: 18, unknown conditional: 4, unknown unconditional: 14] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1423, independent: 1383, independent conditional: 470, independent unconditional: 913, dependent: 22, dependent conditional: 3, dependent unconditional: 19, unknown: 18, unknown conditional: 4, unknown unconditional: 14] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1469, independent: 1383, independent conditional: 22, independent unconditional: 1361, dependent: 47, dependent conditional: 11, dependent unconditional: 36, unknown: 39, unknown conditional: 13, unknown unconditional: 26] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1469, independent: 1383, independent conditional: 22, independent unconditional: 1361, dependent: 47, dependent conditional: 11, dependent unconditional: 36, unknown: 39, unknown conditional: 13, unknown unconditional: 26] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1469, independent: 1383, independent conditional: 22, independent unconditional: 1361, dependent: 47, dependent conditional: 11, dependent unconditional: 36, unknown: 39, unknown conditional: 13, unknown unconditional: 26] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 980, independent: 933, independent conditional: 20, independent unconditional: 913, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 22, unknown conditional: 8, unknown unconditional: 14] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 980, independent: 912, independent conditional: 0, independent unconditional: 912, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 68, independent: 21, independent conditional: 20, independent unconditional: 1, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 22, unknown conditional: 8, unknown unconditional: 14] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, independent: 21, independent conditional: 20, independent unconditional: 1, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 22, unknown conditional: 8, unknown unconditional: 14] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24141, independent: 383, independent conditional: 356, independent unconditional: 27, dependent: 336, dependent conditional: 103, dependent unconditional: 233, unknown: 23421, unknown conditional: 8488, unknown unconditional: 14934] , Protected Queries: 0 ], Cache Queries: [ total: 1469, independent: 450, independent conditional: 2, independent unconditional: 448, dependent: 22, dependent conditional: 5, dependent unconditional: 17, unknown: 997, unknown conditional: 39, unknown unconditional: 958] , Statistics on independence cache: Total cache size (in pairs): 958, Positive cache size: 933, Positive conditional cache size: 20, Positive unconditional cache size: 913, Negative cache size: 25, Negative conditional cache size: 6, Negative unconditional cache size: 19, Unknown cache size: 22, Unknown conditional cache size: 8, Unknown unconditional cache size: 14, Eliminated conditions: 0, Maximal queried relation: 4, Independence queries for same thread: 51 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={3:0}, t2={4:0}] [L1731] CALL, EXPR 0 my_drv_init() [L1725] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L1731] RET, EXPR 0 my_drv_init() [L1731] 0 int ret = my_drv_init(); VAL [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1732] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L1733] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L1734] 0 struct my_data data; VAL [data={5:0}, ret=0, t1={3:0}, t2={4:0}] [L1735] CALL, EXPR 0 my_drv_probe(&data) [L1704] 0 struct device *d = &data->dev; VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1706] 0 data->shared.a = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1707] 0 data->shared.b = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1708] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1709] COND FALSE 0 !(\read(res)) VAL [d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=2147483646, res=0, t1={3:0}, t2={4:0}] [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=2147483647, res=0, t1={3:0}, t2={4:0}] [L1713] 0 return 0; VAL [\result=0, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1735] RET, EXPR 0 my_drv_probe(&data) [L1735] 0 probe_ret = my_drv_probe(&data) VAL [arg={5:24}, data={5:0}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1736] COND TRUE 0 probe_ret==0 [L1737] CALL 0 my_drv_disconnect(&data) [L1719] 0 void *status; VAL [arg={5:24}, data={5:0}, data={5:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1720] 0 \read(t1) VAL [\read(t1)=2147483646, arg={5:24}, data={5:0}, data={5:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1693] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1689] 2 struct device *dev = (struct device*)arg; VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1690] 2 struct my_data *data; VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1693] 2 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1701] 1 return 0; VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=2147483646, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, pthread_join(t1, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1721] 0 \read(t2) VAL [\read(t2)=2147483647, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, status={7:0}, t1={3:0}, t2={4:0}] [L1699] 2 data->shared.b = lb + 1 VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1701] 2 return 0; VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\read(t2)=2147483647, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, pthread_join(t2, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1737] RET 0 my_drv_disconnect(&data) [L1738] EXPR 0 data.shared.a VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data.shared.a=1, data={5:0}, data={5:0}, dev={5:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1738] CALL 0 ldv_assert(data.shared.a==1) [L1675] COND FALSE 0 !(!expression) VAL [\old(expression)=1, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=1, lb=0, t1={3:0}, t2={4:0}] [L1738] RET 0 ldv_assert(data.shared.a==1) [L1739] EXPR 0 data.shared.b VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data.shared.b=1, data={5:0}, data={5:0}, dev={5:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1739] CALL 0 ldv_assert(data.shared.b==2) [L1675] COND TRUE 0 !expression VAL [\old(expression)=0, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1711]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 154 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 51.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 38.3s, 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: 155, 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, 0.3s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 620 NumberOfCodeBlocks, 620 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 510 ConstructedInterpolants, 0 QuantifiedInterpolants, 7329 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate proved your program to be incorrect! [2023-03-23 19:26:30,414 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 [2023-03-23 19:26:30,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...