/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 --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 08:10:30,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 08:10:30,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 08:10:30,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 08:10:30,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 08:10:30,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 08:10:30,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 08:10:30,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 08:10:30,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 08:10:30,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 08:10:30,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 08:10:30,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 08:10:30,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 08:10:30,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 08:10:30,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 08:10:30,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 08:10:30,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 08:10:30,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 08:10:30,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 08:10:30,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 08:10:30,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 08:10:30,317 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 08:10:30,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 08:10:30,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 08:10:30,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 08:10:30,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 08:10:30,318 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 08:10:30,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 08:10:30,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 08:10:30,318 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 08:10:30,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 08:10:30,319 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 08:10:30,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 08:10:30,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 08:10:30,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 08:10:30,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 08:10:30,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 08:10:30,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 08:10:30,319 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 08:10:30,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 08:10:30,319 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 08:10:30,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 08:10:30,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 08:10:30,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 08:10:30,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 08:10:30,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 08:10:30,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 08:10:30,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 08:10:30,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 08:10:30,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 08:10:30,320 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 08:10:30,320 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 08:10:30,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 08:10:30,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 08:10:30,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 08:10:30,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 08:10:30,321 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 08:10:30,321 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 08:10:30,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 08:10:30,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 08:10:30,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 08:10:30,518 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 08:10:30,519 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 08:10:30,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2023-05-04 08:10:30,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2954b91e4/9fd794f1fb654c64a64fdd21e298d2b3/FLAG7140a1cbf [2023-05-04 08:10:31,035 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 08:10:31,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2023-05-04 08:10:31,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2954b91e4/9fd794f1fb654c64a64fdd21e298d2b3/FLAG7140a1cbf [2023-05-04 08:10:31,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2954b91e4/9fd794f1fb654c64a64fdd21e298d2b3 [2023-05-04 08:10:31,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 08:10:31,070 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 08:10:31,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 08:10:31,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 08:10:31,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 08:10:31,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fbed31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31, skipping insertion in model container [2023-05-04 08:10:31,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 08:10:31,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 08:10:31,233 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-04 08:10:31,479 WARN L230 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_3-container_of.i[75002,75015] [2023-05-04 08:10:31,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 08:10:31,507 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 08:10:31,514 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-04 08:10:31,551 WARN L230 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_3-container_of.i[75002,75015] [2023-05-04 08:10:31,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 08:10:31,629 INFO L208 MainTranslator]: Completed translation [2023-05-04 08:10:31,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31 WrapperNode [2023-05-04 08:10:31,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 08:10:31,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 08:10:31,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 08:10:31,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 08:10:31,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,712 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2023-05-04 08:10:31,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 08:10:31,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 08:10:31,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 08:10:31,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 08:10:31,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,750 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 08:10:31,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 08:10:31,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 08:10:31,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 08:10:31,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (1/1) ... [2023-05-04 08:10:31,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 08:10:31,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 08:10:31,787 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) [2023-05-04 08:10:31,790 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 [2023-05-04 08:10:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 08:10:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 08:10:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 08:10:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 08:10:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-04 08:10:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 08:10:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-04 08:10:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 08:10:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 08:10:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-05-04 08:10:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-05-04 08:10:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 08:10:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 08:10:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 08:10:31,817 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 08:10:32,068 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 08:10:32,070 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 08:10:32,272 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 08:10:32,301 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 08:10:32,301 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 08:10:32,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:10:32 BoogieIcfgContainer [2023-05-04 08:10:32,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 08:10:32,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 08:10:32,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 08:10:32,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 08:10:32,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 08:10:31" (1/3) ... [2023-05-04 08:10:32,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0d23a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:10:32, skipping insertion in model container [2023-05-04 08:10:32,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:10:31" (2/3) ... [2023-05-04 08:10:32,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0d23a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:10:32, skipping insertion in model container [2023-05-04 08:10:32,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:10:32" (3/3) ... [2023-05-04 08:10:32,308 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2023-05-04 08:10:32,313 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 08:10:32,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 08:10:32,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-05-04 08:10:32,320 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 08:10:32,368 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 08:10:32,422 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 08:10:32,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 08:10:32,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 08:10:32,424 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) [2023-05-04 08:10:32,429 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 [2023-05-04 08:10:32,465 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 08:10:32,476 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 08:10:32,480 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;@66c380f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 08:10:32,481 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-05-04 08:10:44,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 08:10:44,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:10:44,600 INFO L85 PathProgramCache]: Analyzing trace with hash -913732712, now seen corresponding path program 1 times [2023-05-04 08:10:44,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:10:44,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52932656] [2023-05-04 08:10:44,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:10:44,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:10:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:10:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 08:10:45,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:10:45,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52932656] [2023-05-04 08:10:45,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52932656] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:10:45,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:10:45,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 08:10:45,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863590487] [2023-05-04 08:10:45,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:10:45,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 08:10:45,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:10:45,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 08:10:45,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-04 08:10:45,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:10:45,218 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:10:45,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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) [2023-05-04 08:10:45,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:10:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 08:10:45,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 08:10:45,310 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 08:10:45,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:10:45,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1405723700, now seen corresponding path program 1 times [2023-05-04 08:10:45,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:10:45,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334397228] [2023-05-04 08:10:45,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:10:45,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:10:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:10:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 08:10:46,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:10:46,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334397228] [2023-05-04 08:10:46,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334397228] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:10:46,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:10:46,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-05-04 08:10:46,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067728298] [2023-05-04 08:10:46,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:10:46,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 08:10:46,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:10:46,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 08:10:46,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-05-04 08:10:46,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:10:46,223 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:10:46,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 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) [2023-05-04 08:10:46,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 08:10:46,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:10:50,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 08:10:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 08:10:50,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 08:10:50,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-04 08:10:50,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:10:50,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1238816803, now seen corresponding path program 1 times [2023-05-04 08:10:50,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:10:50,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867180287] [2023-05-04 08:10:50,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:10:50,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:10:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 08:10:50,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 08:10:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 08:10:50,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 08:10:50,503 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 08:10:50,504 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2023-05-04 08:10:50,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2023-05-04 08:10:50,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2023-05-04 08:10:50,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2023-05-04 08:10:50,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2023-05-04 08:10:50,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2023-05-04 08:10:50,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2023-05-04 08:10:50,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2023-05-04 08:10:50,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 08:10:50,525 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-05-04 08:10:50,528 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 08:10:50,528 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 08:10:50,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 08:10:50 BasicIcfg [2023-05-04 08:10:50,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 08:10:50,589 INFO L158 Benchmark]: Toolchain (without parser) took 19518.90ms. Allocated memory is still 179.3MB. Free memory was 153.4MB in the beginning and 93.5MB in the end (delta: 60.0MB). Peak memory consumption was 59.9MB. Max. memory is 8.0GB. [2023-05-04 08:10:50,589 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 08:10:50,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.34ms. Allocated memory is still 179.3MB. Free memory was 153.2MB in the beginning and 114.3MB in the end (delta: 38.9MB). Peak memory consumption was 40.3MB. Max. memory is 8.0GB. [2023-05-04 08:10:50,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.34ms. Allocated memory is still 179.3MB. Free memory was 114.3MB in the beginning and 111.0MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-04 08:10:50,589 INFO L158 Benchmark]: Boogie Preprocessor took 50.05ms. Allocated memory is still 179.3MB. Free memory was 110.8MB in the beginning and 107.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 08:10:50,590 INFO L158 Benchmark]: RCFGBuilder took 539.44ms. Allocated memory is still 179.3MB. Free memory was 107.9MB in the beginning and 149.1MB in the end (delta: -41.2MB). Peak memory consumption was 24.3MB. Max. memory is 8.0GB. [2023-05-04 08:10:50,590 INFO L158 Benchmark]: TraceAbstraction took 18283.75ms. Allocated memory is still 179.3MB. Free memory was 148.1MB in the beginning and 93.5MB in the end (delta: 54.6MB). Peak memory consumption was 55.1MB. Max. memory is 8.0GB. [2023-05-04 08:10:50,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 557.34ms. Allocated memory is still 179.3MB. Free memory was 153.2MB in the beginning and 114.3MB in the end (delta: 38.9MB). Peak memory consumption was 40.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 82.34ms. Allocated memory is still 179.3MB. Free memory was 114.3MB in the beginning and 111.0MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.05ms. Allocated memory is still 179.3MB. Free memory was 110.8MB in the beginning and 107.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 539.44ms. Allocated memory is still 179.3MB. Free memory was 107.9MB in the beginning and 149.1MB in the end (delta: -41.2MB). Peak memory consumption was 24.3MB. Max. memory is 8.0GB. * TraceAbstraction took 18283.75ms. Allocated memory is still 179.3MB. Free memory was 148.1MB in the beginning and 93.5MB in the end (delta: 54.6MB). Peak memory consumption was 55.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2089, independent: 1928, independent conditional: 216, independent unconditional: 1712, dependent: 137, dependent conditional: 111, dependent unconditional: 26, unknown: 24, unknown conditional: 11, unknown unconditional: 13] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2004, independent: 1928, independent conditional: 216, independent unconditional: 1712, dependent: 52, dependent conditional: 26, dependent unconditional: 26, unknown: 24, unknown conditional: 11, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2004, independent: 1928, independent conditional: 216, independent unconditional: 1712, dependent: 52, dependent conditional: 26, dependent unconditional: 26, unknown: 24, unknown conditional: 11, unknown unconditional: 13] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2027, independent: 1928, independent conditional: 0, independent unconditional: 1928, dependent: 69, dependent conditional: 17, dependent unconditional: 52, unknown: 30, unknown conditional: 6, unknown unconditional: 24] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2027, independent: 1928, independent conditional: 0, independent unconditional: 1928, dependent: 69, dependent conditional: 6, dependent unconditional: 63, unknown: 30, unknown conditional: 1, unknown unconditional: 29] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2027, independent: 1928, independent conditional: 0, independent unconditional: 1928, dependent: 69, dependent conditional: 6, dependent unconditional: 63, unknown: 30, unknown conditional: 1, unknown unconditional: 29] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1759, independent: 1712, independent conditional: 0, independent unconditional: 1712, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 14, unknown conditional: 1, unknown unconditional: 13] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1759, independent: 1708, independent conditional: 0, independent unconditional: 1708, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 14, unknown conditional: 1, unknown unconditional: 13] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 14, unknown conditional: 1, unknown unconditional: 13] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15566, independent: 73, independent conditional: 0, independent unconditional: 73, dependent: 462, dependent conditional: 110, dependent unconditional: 353, unknown: 15031, unknown conditional: 1074, unknown unconditional: 13958] , Protected Queries: 0 ], Cache Queries: [ total: 2027, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 36, dependent conditional: 1, dependent unconditional: 35, unknown: 1775, unknown conditional: 6, unknown unconditional: 1769] , Statistics on independence cache: Total cache size (in pairs): 1745, Positive cache size: 1712, Positive conditional cache size: 0, Positive unconditional cache size: 1712, Negative cache size: 33, Negative conditional cache size: 5, Negative unconditional cache size: 28, Unknown cache size: 14, Unknown conditional cache size: 1, Unknown unconditional cache size: 13, Eliminated conditions: 16, Maximal queried relation: 1, Independence queries for same thread: 85 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 14.4s, Number of persistent set computation: 156, Number of trivial persistent sets: 156, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1751, independent: 1712, independent conditional: 0, independent unconditional: 1712, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2089, independent: 1928, independent conditional: 216, independent unconditional: 1712, dependent: 137, dependent conditional: 111, dependent unconditional: 26, unknown: 24, unknown conditional: 11, unknown unconditional: 13] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2004, independent: 1928, independent conditional: 216, independent unconditional: 1712, dependent: 52, dependent conditional: 26, dependent unconditional: 26, unknown: 24, unknown conditional: 11, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2004, independent: 1928, independent conditional: 216, independent unconditional: 1712, dependent: 52, dependent conditional: 26, dependent unconditional: 26, unknown: 24, unknown conditional: 11, unknown unconditional: 13] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2027, independent: 1928, independent conditional: 0, independent unconditional: 1928, dependent: 69, dependent conditional: 17, dependent unconditional: 52, unknown: 30, unknown conditional: 6, unknown unconditional: 24] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2027, independent: 1928, independent conditional: 0, independent unconditional: 1928, dependent: 69, dependent conditional: 6, dependent unconditional: 63, unknown: 30, unknown conditional: 1, unknown unconditional: 29] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2027, independent: 1928, independent conditional: 0, independent unconditional: 1928, dependent: 69, dependent conditional: 6, dependent unconditional: 63, unknown: 30, unknown conditional: 1, unknown unconditional: 29] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1759, independent: 1712, independent conditional: 0, independent unconditional: 1712, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 14, unknown conditional: 1, unknown unconditional: 13] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1759, independent: 1708, independent conditional: 0, independent unconditional: 1708, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 14, unknown conditional: 1, unknown unconditional: 13] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 14, unknown conditional: 1, unknown unconditional: 13] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15566, independent: 73, independent conditional: 0, independent unconditional: 73, dependent: 462, dependent conditional: 110, dependent unconditional: 353, unknown: 15031, unknown conditional: 1074, unknown unconditional: 13958] , Protected Queries: 0 ], Cache Queries: [ total: 2027, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 36, dependent conditional: 1, dependent unconditional: 35, unknown: 1775, unknown conditional: 6, unknown unconditional: 1769] , Statistics on independence cache: Total cache size (in pairs): 1745, Positive cache size: 1712, Positive conditional cache size: 0, Positive unconditional cache size: 1712, Negative cache size: 33, Negative conditional cache size: 5, Negative unconditional cache size: 28, Unknown cache size: 14, Unknown conditional cache size: 1, Unknown unconditional cache size: 13, Eliminated conditions: 16, Maximal queried relation: 1, Independence queries for same thread: 85 - 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}] [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); VAL [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1746] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L1747] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L1748] 0 struct my_data data; VAL [data={5:0}, ret=0, t1={3:0}, t2={4:0}] [L1749] CALL 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1708] 0 data->shared.a = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1709] 0 data->shared.b = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1710] 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}] [L1711] COND FALSE 0 !(\read(res)) VAL [d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1713] 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)=6, res=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}] [L1694] 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}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=7, res=0, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, 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}, 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}, 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}, t1={3:0}, t2={4:0}] [L1716] 0 data->shared.a = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1719] 0 data->shared.b = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, res=0, t1={3:0}, t2={4:0}] [L1700] 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}] [L1722] EXPR 0 data->shared.a [L1722] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND FALSE 0 !(!expression) [L1722] RET 0 ldv_assert(data->shared.a==3) [L1694] 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}] [L1725] EXPR 0 data->shared.b [L1725] CALL 0 ldv_assert(data->shared.b==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=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: 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, 185 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 18.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 16.4s, 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: 19, 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, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 303 NumberOfCodeBlocks, 303 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2023-05-04 08:10:50,659 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 [2023-05-04 08:10:50,848 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...