/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.partial.order.reduction.in.concurrent.analysis DPOR_SLEEP_NEW_STATES -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 21:05:16,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 21:05:16,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 21:05:16,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 21:05:16,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 21:05:16,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 21:05:16,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 21:05:16,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 21:05:16,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 21:05:16,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 21:05:16,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 21:05:16,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 21:05:16,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 21:05:16,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 21:05:16,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 21:05:16,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 21:05:16,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 21:05:16,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 21:05:16,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 21:05:16,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 21:05:16,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 21:05:16,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 21:05:16,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 21:05:16,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 21:05:16,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-23 21:05:16,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 21:05:16,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 21:05:16,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 21:05:16,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 21:05:16,376 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 21:05:16,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 21:05:16,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 21:05:16,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 21:05:16,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 21:05:16,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 21:05:16,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 21:05:16,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 21:05:16,378 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 21:05:16,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 21:05:16,379 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 21:05:16,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 21:05:16,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 21:05:16,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 21:05:16,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 21:05:16,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 21:05:16,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 21:05:16,380 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 21:05:16,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 21:05:16,380 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 21:05:16,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 21:05:16,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 21:05:16,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 21:05:16,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 21:05:16,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 21:05:16,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:05:16,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 21:05:16,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 21:05:16,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 21:05:16,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 21:05:16,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 21:05:16,381 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 21:05:16,381 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 21:05:16,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 21:05:16,381 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 21:05:16,381 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 21:05:16,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 21:05:16,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 21:05:16,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 21:05:16,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 21:05:16,584 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 21:05:16,584 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 21:05:16,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-03-23 21:05:17,509 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 21:05:17,719 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 21:05:17,719 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-03-23 21:05:17,730 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f1708380/c1f7dbc887194c188b4361719d4dc142/FLAGf0caaf1c0 [2023-03-23 21:05:17,739 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f1708380/c1f7dbc887194c188b4361719d4dc142 [2023-03-23 21:05:17,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 21:05:17,742 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 21:05:17,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 21:05:17,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 21:05:17,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 21:05:17,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:05:17" (1/1) ... [2023-03-23 21:05:17,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ecdc55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:17, skipping insertion in model container [2023-03-23 21:05:17,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:05:17" (1/1) ... [2023-03-23 21:05:17,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 21:05:17,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 21:05:17,901 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2023-03-23 21:05:18,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:05:18,123 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 21:05:18,131 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2023-03-23 21:05:18,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:05:18,202 WARN L667 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:05:18,207 INFO L208 MainTranslator]: Completed translation [2023-03-23 21:05:18,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18 WrapperNode [2023-03-23 21:05:18,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 21:05:18,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 21:05:18,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 21:05:18,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 21:05:18,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (1/1) ... [2023-03-23 21:05:18,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (1/1) ... [2023-03-23 21:05:18,249 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2023-03-23 21:05:18,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 21:05:18,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 21:05:18,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 21:05:18,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 21:05:18,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (1/1) ... [2023-03-23 21:05:18,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (1/1) ... [2023-03-23 21:05:18,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (1/1) ... [2023-03-23 21:05:18,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (1/1) ... [2023-03-23 21:05:18,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (1/1) ... [2023-03-23 21:05:18,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (1/1) ... [2023-03-23 21:05:18,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (1/1) ... [2023-03-23 21:05:18,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (1/1) ... [2023-03-23 21:05:18,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 21:05:18,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 21:05:18,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 21:05:18,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 21:05:18,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (1/1) ... [2023-03-23 21:05:18,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:05:18,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:05:18,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-23 21:05:18,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-23 21:05:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-03-23 21:05:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2023-03-23 21:05:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2023-03-23 21:05:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2023-03-23 21:05:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2023-03-23 21:05:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 21:05:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 21:05:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 21:05:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 21:05:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-03-23 21:05:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 21:05:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 21:05:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 21:05:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 21:05:18,345 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 21:05:18,573 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 21:05:18,574 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 21:05:18,692 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 21:05:18,697 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 21:05:18,697 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-23 21:05:18,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:05:18 BoogieIcfgContainer [2023-03-23 21:05:18,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 21:05:18,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 21:05:18,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 21:05:18,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 21:05:18,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 09:05:17" (1/3) ... [2023-03-23 21:05:18,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d4290c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:05:18, skipping insertion in model container [2023-03-23 21:05:18,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:05:18" (2/3) ... [2023-03-23 21:05:18,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d4290c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:05:18, skipping insertion in model container [2023-03-23 21:05:18,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:05:18" (3/3) ... [2023-03-23 21:05:18,704 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2023-03-23 21:05:18,709 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 21:05:18,715 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 21:05:18,715 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 21:05:18,715 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 21:05:18,762 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-03-23 21:05:18,814 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:05:18,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 21:05:18,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:05:18,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-03-23 21:05:18,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-03-23 21:05:18,839 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 21:05:18,845 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f2Thread1of1ForFork1 ======== [2023-03-23 21:05:18,849 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;@6f8aed73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:05:18,849 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-23 21:05:18,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-23 21:05:18,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:05:18,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1286656699, now seen corresponding path program 1 times [2023-03-23 21:05:18,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:05:18,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041906397] [2023-03-23 21:05:18,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:05:18,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:05:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-23 21:05:19,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-03-23 21:05:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-03-23 21:05:19,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-03-23 21:05:19,190 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-03-23 21:05:19,191 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-23 21:05:19,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 21:05:19,197 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-03-23 21:05:19,199 INFO L307 ceAbstractionStarter]: Result for error location f2Thread1of1ForFork1 was UNSAFE (1/2) [2023-03-23 21:05:19,201 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 21:05:19,201 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 21:05:19,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 09:05:19 BasicIcfg [2023-03-23 21:05:19,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 21:05:19,244 INFO L158 Benchmark]: Toolchain (without parser) took 1500.80ms. Allocated memory is still 203.4MB. Free memory was 147.4MB in the beginning and 136.6MB in the end (delta: 10.8MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2023-03-23 21:05:19,247 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 203.4MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 21:05:19,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.38ms. Allocated memory is still 203.4MB. Free memory was 147.0MB in the beginning and 109.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-03-23 21:05:19,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.10ms. Allocated memory is still 203.4MB. Free memory was 109.2MB in the beginning and 106.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-23 21:05:19,248 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 203.4MB. Free memory was 106.6MB in the beginning and 104.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 21:05:19,249 INFO L158 Benchmark]: RCFGBuilder took 425.46ms. Allocated memory is still 203.4MB. Free memory was 104.0MB in the beginning and 84.1MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-03-23 21:05:19,249 INFO L158 Benchmark]: TraceAbstraction took 542.51ms. Allocated memory is still 203.4MB. Free memory was 83.5MB in the beginning and 136.6MB in the end (delta: -53.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 21:05:19,253 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 203.4MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 464.38ms. Allocated memory is still 203.4MB. Free memory was 147.0MB in the beginning and 109.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.10ms. Allocated memory is still 203.4MB. Free memory was 109.2MB in the beginning and 106.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 203.4MB. Free memory was 106.6MB in the beginning and 104.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 425.46ms. Allocated memory is still 203.4MB. Free memory was 104.0MB in the beginning and 84.1MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 542.51ms. Allocated memory is still 203.4MB. Free memory was 83.5MB in the beginning and 136.6MB in the end (delta: -53.1MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1362, independent: 385, independent conditional: 36, independent unconditional: 349, dependent: 977, dependent conditional: 0, dependent unconditional: 977, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 388, independent: 385, independent conditional: 36, independent unconditional: 349, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 388, independent: 385, independent conditional: 36, independent unconditional: 349, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 388, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 388, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 388, independent: 385, independent conditional: 0, independent unconditional: 385, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 381, independent: 378, independent conditional: 0, independent unconditional: 378, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 381, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 388, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 381, unknown conditional: 0, unknown unconditional: 381] , Statistics on independence cache: Total cache size (in pairs): 381, Positive cache size: 378, Positive conditional cache size: 0, Positive unconditional cache size: 378, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 974 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={3:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={4:0}, g=0, mut={3:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, t1={6:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, t1={6:0}, t2={5:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, ptr={0:0}, t1={6:0}, t2={5:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={6:0}, t2={5:0}] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, cond=0, cond={4:0}, g=0, mut={3:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, cond=0, cond={4:0}, g=0, mut={3:0}, ptr={0:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: f2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 118 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-03-23 21:05:19,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-03-23 21:05:19,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...