/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-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 22:38:20,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 22:38:20,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 22:38:20,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-15 22:38:20,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 22:38:20,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 22:38:20,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 22:38:20,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 22:38:20,394 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 22:38:20,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 22:38:20,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 22:38:20,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 22:38:20,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 22:38:20,395 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 22:38:20,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 22:38:20,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 22:38:20,396 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 22:38:20,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 22:38:20,396 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 22:38:20,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 22:38:20,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 22:38:20,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 22:38:20,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 22:38:20,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 22:38:20,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 22:38:20,397 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 22:38:20,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 22:38:20,397 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 22:38:20,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 22:38:20,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 22:38:20,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 22:38:20,398 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 22:38:20,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 22:38:20,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:38:20,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 22:38:20,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 22:38:20,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 22:38:20,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 22:38:20,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 22:38:20,398 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 22:38:20,398 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 22:38:20,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 22:38:20,399 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 22:38:20,399 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 22:38:20,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 22:38:20,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 22:38:20,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 22:38:20,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 22:38:20,580 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 22:38:20,581 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 22:38:20,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2022-11-15 22:38:20,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6089a55e9/308bf80143dd49f3844bcad47f70b781/FLAG240530f48 [2022-11-15 22:38:21,047 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 22:38:21,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2022-11-15 22:38:21,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6089a55e9/308bf80143dd49f3844bcad47f70b781/FLAG240530f48 [2022-11-15 22:38:21,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6089a55e9/308bf80143dd49f3844bcad47f70b781 [2022-11-15 22:38:21,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 22:38:21,096 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 22:38:21,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 22:38:21,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 22:38:21,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 22:38:21,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:21,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a4f67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21, skipping insertion in model container [2022-11-15 22:38:21,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:21,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 22:38:21,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 22:38:21,299 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-15 22:38:21,721 WARN L233 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-3_2-container_of-global.i[75009,75022] [2022-11-15 22:38:21,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:38:21,762 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 22:38:21,769 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-15 22:38:21,798 WARN L233 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-3_2-container_of-global.i[75009,75022] [2022-11-15 22:38:21,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:38:21,888 INFO L208 MainTranslator]: Completed translation [2022-11-15 22:38:21,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21 WrapperNode [2022-11-15 22:38:21,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 22:38:21,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 22:38:21,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 22:38:21,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 22:38:21,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:21,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:21,969 INFO L138 Inliner]: procedures = 468, calls = 52, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 134 [2022-11-15 22:38:21,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 22:38:21,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 22:38:21,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 22:38:21,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 22:38:21,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:21,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:21,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:21,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:21,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:22,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:22,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:22,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:22,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 22:38:22,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 22:38:22,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 22:38:22,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 22:38:22,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (1/1) ... [2022-11-15 22:38:22,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:38:22,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:38:22,042 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) [2022-11-15 22:38:22,046 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 [2022-11-15 22:38:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 22:38:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 22:38:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 22:38:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 22:38:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 22:38:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-15 22:38:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 22:38:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 22:38:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-15 22:38:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-15 22:38:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 22:38:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 22:38:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 22:38:22,084 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 22:38:22,336 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 22:38:22,337 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 22:38:22,501 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 22:38:22,515 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 22:38:22,516 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-15 22:38:22,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:38:22 BoogieIcfgContainer [2022-11-15 22:38:22,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 22:38:22,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 22:38:22,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 22:38:22,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 22:38:22,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:38:21" (1/3) ... [2022-11-15 22:38:22,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ba845b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:38:22, skipping insertion in model container [2022-11-15 22:38:22,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:38:21" (2/3) ... [2022-11-15 22:38:22,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ba845b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:38:22, skipping insertion in model container [2022-11-15 22:38:22,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:38:22" (3/3) ... [2022-11-15 22:38:22,522 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2022-11-15 22:38:22,527 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 22:38:22,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 22:38:22,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-15 22:38:22,533 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 22:38:22,586 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-15 22:38:22,638 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:38:22,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 22:38:22,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:38:22,663 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) [2022-11-15 22:38:22,664 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 [2022-11-15 22:38:22,697 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 22:38:22,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 22:38:22,728 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;@47432203, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:38:22,729 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-15 22:38:22,761 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-11-15 22:38:22,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:38:22,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1465795188, now seen corresponding path program 1 times [2022-11-15 22:38:22,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:38:22,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120574949] [2022-11-15 22:38:22,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:38:22,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:38:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:38:23,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:38:23,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:38:23,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120574949] [2022-11-15 22:38:23,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120574949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:38:23,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:38:23,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 22:38:23,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359331624] [2022-11-15 22:38:23,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:38:23,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 22:38:23,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:38:23,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 22:38:23,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 22:38:23,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:23,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:38:23,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2022-11-15 22:38:23,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:23,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:38:23,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 22:38:23,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-11-15 22:38:23,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:38:23,392 INFO L85 PathProgramCache]: Analyzing trace with hash 193261387, now seen corresponding path program 1 times [2022-11-15 22:38:23,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:38:23,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855944363] [2022-11-15 22:38:23,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:38:23,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:38:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:38:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:38:23,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:38:23,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855944363] [2022-11-15 22:38:23,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855944363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:38:23,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:38:23,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 22:38:23,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604790306] [2022-11-15 22:38:23,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:38:23,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 22:38:23,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:38:23,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 22:38:23,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 22:38:23,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:23,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:38:23,645 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) [2022-11-15 22:38:23,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:38:23,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:23,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 22:38:23,773 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-11-15 22:38:23,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:38:23,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1503918419, now seen corresponding path program 1 times [2022-11-15 22:38:23,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:38:23,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199842740] [2022-11-15 22:38:23,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:38:23,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:38:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:38:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:38:24,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:38:24,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199842740] [2022-11-15 22:38:24,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199842740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:38:24,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:38:24,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 22:38:24,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472828689] [2022-11-15 22:38:24,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:38:24,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 22:38:24,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:38:24,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 22:38:24,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 22:38:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:24,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:38:24,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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) [2022-11-15 22:38:24,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:24,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:24,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:24,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:24,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:24,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:24,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 22:38:24,166 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-11-15 22:38:24,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:38:24,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1628560954, now seen corresponding path program 1 times [2022-11-15 22:38:24,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:38:24,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255008922] [2022-11-15 22:38:24,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:38:24,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:38:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:38:24,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:38:24,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:38:24,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255008922] [2022-11-15 22:38:24,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255008922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:38:24,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:38:24,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 22:38:24,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559343810] [2022-11-15 22:38:24,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:38:24,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 22:38:24,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:38:24,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 22:38:24,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 22:38:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:24,394 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:38:24,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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) [2022-11-15 22:38:24,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:24,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:24,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:24,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:31,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:31,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:31,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:31,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:38:31,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 22:38:31,286 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-11-15 22:38:31,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:38:31,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1561454783, now seen corresponding path program 1 times [2022-11-15 22:38:31,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:38:31,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111559819] [2022-11-15 22:38:31,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:38:31,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:38:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:38:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:38:32,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:38:32,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111559819] [2022-11-15 22:38:32,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111559819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:38:32,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:38:32,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-15 22:38:32,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794777391] [2022-11-15 22:38:32,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:38:32,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-15 22:38:32,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:38:32,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-15 22:38:32,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-15 22:38:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:32,453 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:38:32,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.066666666666666) internal successors, (121), 15 states have internal predecessors, (121), 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) [2022-11-15 22:38:32,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:38:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:38:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:38:33,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-15 22:38:33,020 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-11-15 22:38:33,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:38:33,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1085782841, now seen corresponding path program 1 times [2022-11-15 22:38:33,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:38:33,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195929119] [2022-11-15 22:38:33,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:38:33,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:38:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:38:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:38:35,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:38:35,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195929119] [2022-11-15 22:38:35,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195929119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:38:35,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:38:35,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-11-15 22:38:35,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465748379] [2022-11-15 22:38:35,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:38:35,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-15 22:38:35,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:38:35,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-15 22:38:35,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2022-11-15 22:38:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:35,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:38:35,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.3) internal successors, (129), 30 states have internal predecessors, (129), 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) [2022-11-15 22:38:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:38:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:38:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:41,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:41,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:41,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:41,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:38:41,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 22:38:41,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-15 22:38:41,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-15 22:38:41,479 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-11-15 22:38:41,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:38:41,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1405910473, now seen corresponding path program 2 times [2022-11-15 22:38:41,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:38:41,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017034787] [2022-11-15 22:38:41,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:38:41,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:38:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:38:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:38:42,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:38:42,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017034787] [2022-11-15 22:38:42,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017034787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:38:42,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:38:42,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-11-15 22:38:42,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022362421] [2022-11-15 22:38:42,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:38:42,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-15 22:38:42,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:38:42,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-15 22:38:42,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2022-11-15 22:38:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:42,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:38:42,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.722222222222222) internal successors, (121), 18 states have internal predecessors, (121), 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) [2022-11-15 22:38:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:38:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 22:38:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-15 22:38:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:38:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 22:38:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-15 22:38:44,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 22:38:44,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-15 22:38:44,530 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-11-15 22:38:44,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:38:44,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1162108081, now seen corresponding path program 2 times [2022-11-15 22:38:44,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:38:44,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752406567] [2022-11-15 22:38:44,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:38:44,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:38:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:38:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:38:46,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:38:46,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752406567] [2022-11-15 22:38:46,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752406567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:38:46,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:38:46,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-11-15 22:38:46,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118986172] [2022-11-15 22:38:46,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:38:46,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-15 22:38:46,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:38:46,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-15 22:38:46,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2022-11-15 22:38:46,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:46,205 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:38:46,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.961538461538462) internal successors, (129), 26 states have internal predecessors, (129), 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) [2022-11-15 22:38:46,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:46,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:46,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:46,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:38:46,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-11-15 22:38:46,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-15 22:38:46,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-15 22:38:46,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:38:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:38:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:38:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:38:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-15 22:38:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-15 22:38:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-15 22:38:56,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-15 22:38:56,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-15 22:38:56,090 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-11-15 22:38:56,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:38:56,091 INFO L85 PathProgramCache]: Analyzing trace with hash 540874465, now seen corresponding path program 3 times [2022-11-15 22:38:56,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:38:56,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212181217] [2022-11-15 22:38:56,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:38:56,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:38:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-15 22:38:56,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-15 22:38:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-15 22:38:56,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-15 22:38:56,209 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-15 22:38:56,209 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-11-15 22:38:56,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-11-15 22:38:56,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-11-15 22:38:56,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-11-15 22:38:56,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-11-15 22:38:56,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-11-15 22:38:56,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2022-11-15 22:38:56,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2022-11-15 22:38:56,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-15 22:38:56,217 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2022-11-15 22:38:56,220 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 22:38:56,220 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 22:38:56,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:38:56 BasicIcfg [2022-11-15 22:38:56,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 22:38:56,297 INFO L158 Benchmark]: Toolchain (without parser) took 35201.15ms. Allocated memory was 223.3MB in the beginning and 616.6MB in the end (delta: 393.2MB). Free memory was 167.1MB in the beginning and 547.3MB in the end (delta: -380.2MB). Peak memory consumption was 346.1MB. Max. memory is 8.0GB. [2022-11-15 22:38:56,297 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 223.3MB. Free memory was 186.8MB in the beginning and 186.6MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 22:38:56,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.65ms. Allocated memory was 223.3MB in the beginning and 278.9MB in the end (delta: 55.6MB). Free memory was 167.0MB in the beginning and 210.6MB in the end (delta: -43.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-11-15 22:38:56,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.32ms. Allocated memory is still 278.9MB. Free memory was 210.6MB in the beginning and 207.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-15 22:38:56,298 INFO L158 Benchmark]: Boogie Preprocessor took 43.84ms. Allocated memory is still 278.9MB. Free memory was 207.5MB in the beginning and 204.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 22:38:56,298 INFO L158 Benchmark]: RCFGBuilder took 502.76ms. Allocated memory is still 278.9MB. Free memory was 204.3MB in the beginning and 179.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-11-15 22:38:56,298 INFO L158 Benchmark]: TraceAbstraction took 33778.32ms. Allocated memory was 278.9MB in the beginning and 616.6MB in the end (delta: 337.6MB). Free memory was 178.6MB in the beginning and 547.3MB in the end (delta: -368.7MB). Peak memory consumption was 302.4MB. Max. memory is 8.0GB. [2022-11-15 22:38:56,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 223.3MB. Free memory was 186.8MB in the beginning and 186.6MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 789.65ms. Allocated memory was 223.3MB in the beginning and 278.9MB in the end (delta: 55.6MB). Free memory was 167.0MB in the beginning and 210.6MB in the end (delta: -43.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 80.32ms. Allocated memory is still 278.9MB. Free memory was 210.6MB in the beginning and 207.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.84ms. Allocated memory is still 278.9MB. Free memory was 207.5MB in the beginning and 204.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 502.76ms. Allocated memory is still 278.9MB. Free memory was 204.3MB in the beginning and 179.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 33778.32ms. Allocated memory was 278.9MB in the beginning and 616.6MB in the end (delta: 337.6MB). Free memory was 178.6MB in the beginning and 547.3MB in the end (delta: -368.7MB). Peak memory consumption was 302.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1131, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 83, dependent conditional: 74, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1060, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1060, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 21, dependent unconditional: 12, unknown: 42, unknown conditional: 29, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 9, dependent unconditional: 24, unknown: 42, unknown conditional: 13, unknown unconditional: 29] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 9, dependent unconditional: 24, unknown: 42, unknown conditional: 13, unknown unconditional: 29] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 738, independent: 708, independent conditional: 0, independent unconditional: 708, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 738, independent: 707, independent conditional: 0, independent unconditional: 707, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18656, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 253, dependent conditional: 111, dependent unconditional: 141, unknown: 18378, unknown conditional: 8665, unknown unconditional: 9713] , Protected Queries: 0 ], Cache Queries: [ total: 1110, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 763, unknown conditional: 17, unknown unconditional: 746] , Statistics on independence cache: Total cache size (in pairs): 721, Positive cache size: 708, Positive conditional cache size: 0, Positive unconditional cache size: 708, Negative cache size: 13, Negative conditional cache size: 4, Negative unconditional cache size: 9, Unknown cache size: 17, Unknown conditional cache size: 8, Unknown unconditional cache size: 9, Eliminated conditions: 28, Maximal queried relation: 8, Independence queries for same thread: 71 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 9.9s, Number of persistent set computation: 178, Number of trivial persistent sets: 168, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 726, independent: 708, independent conditional: 0, independent unconditional: 708, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1131, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 83, dependent conditional: 74, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1060, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1060, independent: 1035, independent conditional: 327, independent unconditional: 708, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 13, unknown conditional: 4, unknown unconditional: 9] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 21, dependent unconditional: 12, unknown: 42, unknown conditional: 29, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 9, dependent unconditional: 24, unknown: 42, unknown conditional: 13, unknown unconditional: 29] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1110, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 33, dependent conditional: 9, dependent unconditional: 24, unknown: 42, unknown conditional: 13, unknown unconditional: 29] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 738, independent: 708, independent conditional: 0, independent unconditional: 708, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 738, independent: 707, independent conditional: 0, independent unconditional: 707, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 17, unknown conditional: 8, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18656, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 253, dependent conditional: 111, dependent unconditional: 141, unknown: 18378, unknown conditional: 8665, unknown unconditional: 9713] , Protected Queries: 0 ], Cache Queries: [ total: 1110, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 20, dependent conditional: 5, dependent unconditional: 15, unknown: 763, unknown conditional: 17, unknown unconditional: 746] , Statistics on independence cache: Total cache size (in pairs): 721, Positive cache size: 708, Positive conditional cache size: 0, Positive unconditional cache size: 708, Negative cache size: 13, Negative conditional cache size: 4, Negative unconditional cache size: 9, Unknown cache size: 17, Unknown conditional cache size: 8, Unknown unconditional cache size: 9, Eliminated conditions: 28, Maximal queried relation: 8, Independence queries for same thread: 71 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1688] 0 struct device *my_dev; VAL [my_dev={0:0}] [L1676] 0 pthread_t t1,t2; VAL [my_dev={0:0}, t1={3:0}, t2={4:0}] [L1733] CALL, EXPR 0 my_drv_init() [L1727] 0 return 0; VAL [\result=0, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1733] RET, EXPR 0 my_drv_init() [L1733] 0 int ret = my_drv_init(); VAL [my_dev={0:0}, my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1734] COND TRUE 0 ret==0 VAL [my_dev={0:0}, ret=0, t1={3:0}, t2={4:0}] [L1735] 0 int probe_ret; VAL [my_dev={0:0}, ret=0, t1={3:0}, t2={4:0}] [L1736] 0 struct my_data data; VAL [data={5:0}, my_dev={0:0}, ret=0, t1={3:0}, t2={4:0}] [L1737] CALL, EXPR 0 my_drv_probe(&data) [L1705] 0 data->shared.a = 0 VAL [data={5:0}, data={5:0}, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1706] 0 data->shared.b = 0 VAL [data={5:0}, data={5:0}, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1707] EXPR 0 data->shared.a VAL [data={5:0}, data={5:0}, data->shared.a=0, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1707] CALL 0 ldv_assert(data->shared.a==0) [L1675] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1707] RET 0 ldv_assert(data->shared.a==0) [L1708] EXPR 0 data->shared.b VAL [data={5:0}, data={5:0}, data->shared.b=0, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1708] CALL 0 ldv_assert(data->shared.b==0) [L1675] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1708] RET 0 ldv_assert(data->shared.b==0) [L1709] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, data={5:0}, data={5:0}, my_dev={0:0}, res=0, t1={3:0}, t2={4:0}] [L1710] COND FALSE 0 !(\read(res)) VAL [data={5:0}, data={5:0}, my_dev={0:0}, res=0, t1={3:0}, t2={4:0}] [L1712] 0 my_dev = &data->dev VAL [data={5:0}, data={5:0}, my_dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=-2, res=0, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, ((void *)0))=-1, res=0, t1={3:0}, t2={4:0}] [L1715] 0 return 0; VAL [\result=0, arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1737] RET, EXPR 0 my_drv_probe(&data) [L1737] 0 probe_ret = my_drv_probe(&data) VAL [arg={0:0}, data={5:0}, my_dev={5:24}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1738] COND TRUE 0 probe_ret==0 VAL [arg={0:0}, data={5:0}, my_dev={5:24}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1739] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; VAL [arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, status={7:0}, t1={3:0}, t2={4:0}] [L1722] 0 \read(t1) VAL [\read(t1)=-2, arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, status={7:0}, t1={3:0}, t2={4:0}] [L1690] 2 struct my_data *data; VAL [arg={0:0}, arg={0:0}, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1693] 2 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1690] 1 struct my_data *data; VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1693] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1699] 2 data->shared.b = lb + 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1701] 2 return 0; VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1699] 1 data->shared.b = lb + 1 VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1701] 1 return 0; VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=-2, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data={5:0}, lb=0, my_dev={5:24}, pthread_join(t1, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1723] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data={5:0}, lb=0, my_dev={5:24}, status={7:0}, t1={3:0}, t2={4:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\read(t2)=-1, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data={5:0}, lb=0, my_dev={5:24}, pthread_join(t2, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1739] RET 0 my_drv_disconnect(&data) [L1740] EXPR 0 data.shared.a VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data.shared.a=1, lb=0, my_dev={5:24}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1740] CALL 0 ldv_assert(data.shared.a==1) [L1675] COND FALSE 0 !(!expression) VAL [\old(expression)=1, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, expression=1, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1740] RET 0 ldv_assert(data.shared.a==1) [L1741] EXPR 0 data.shared.b VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data.shared.b=1, lb=0, my_dev={5:24}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1741] CALL 0 ldv_assert(data.shared.b==2) [L1675] COND TRUE 0 !expression VAL [\old(expression)=0, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, expression=0, lb=0, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, expression=0, lb=0, my_dev={5:24}, 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: 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: 1714]: 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: 1713]: 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, 190 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 33.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 25.3s, 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: 145, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 887 NumberOfCodeBlocks, 887 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 750 ConstructedInterpolants, 0 QuantifiedInterpolants, 9073 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2022-11-15 22:38:56,412 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 [2022-11-15 22:38:56,557 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...