/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.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 02:51:03,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 02:51:03,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 02:51:03,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 02:51:03,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 02:51:03,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 02:51:03,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 02:51:03,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 02:51:03,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 02:51:03,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 02:51:03,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 02:51:03,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 02:51:03,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 02:51:03,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 02:51:03,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 02:51:03,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 02:51:03,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 02:51:03,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 02:51:03,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 02:51:03,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 02:51:03,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 02:51:03,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 02:51:03,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 02:51:03,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 02:51:03,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 02:51:03,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 02:51:03,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 02:51:03,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 02:51:03,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 02:51:03,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 02:51:03,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 02:51:03,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 02:51:03,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 02:51:03,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 02:51:03,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 02:51:03,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 02:51:03,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 02:51:03,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 02:51:03,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 02:51:03,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 02:51:03,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 02:51:03,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 02:51:03,452 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 02:51:03,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 02:51:03,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 02:51:03,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 02:51:03,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 02:51:03,453 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 02:51:03,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 02:51:03,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 02:51:03,454 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 02:51:03,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 02:51:03,455 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 02:51:03,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 02:51:03,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 02:51:03,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 02:51:03,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 02:51:03,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 02:51:03,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 02:51:03,455 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 02:51:03,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 02:51:03,455 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 02:51:03,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 02:51:03,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 02:51:03,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 02:51:03,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 02:51:03,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 02:51:03,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 02:51:03,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 02:51:03,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 02:51:03,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 02:51:03,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 02:51:03,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 02:51:03,456 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 02:51:03,457 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 02:51:03,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 02:51:03,457 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 02:51:03,457 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 02:51:03,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 02:51:03,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 02:51:03,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 02:51:03,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 02:51:03,667 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 02:51:03,667 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 02:51:03,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2022-11-16 02:51:03,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52c2c885c/d9df9bd6791a4d2aab3025be247e346f/FLAG4bc321aa0 [2022-11-16 02:51:04,093 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 02:51:04,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2022-11-16 02:51:04,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52c2c885c/d9df9bd6791a4d2aab3025be247e346f/FLAG4bc321aa0 [2022-11-16 02:51:04,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52c2c885c/d9df9bd6791a4d2aab3025be247e346f [2022-11-16 02:51:04,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 02:51:04,131 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 02:51:04,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 02:51:04,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 02:51:04,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 02:51:04,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3c6964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04, skipping insertion in model container [2022-11-16 02:51:04,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 02:51:04,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 02:51:04,429 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2022-11-16 02:51:04,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 02:51:04,438 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 02:51:04,482 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2022-11-16 02:51:04,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 02:51:04,514 INFO L208 MainTranslator]: Completed translation [2022-11-16 02:51:04,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04 WrapperNode [2022-11-16 02:51:04,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 02:51:04,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 02:51:04,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 02:51:04,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 02:51:04,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,560 INFO L138 Inliner]: procedures = 168, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-11-16 02:51:04,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 02:51:04,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 02:51:04,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 02:51:04,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 02:51:04,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,586 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 02:51:04,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 02:51:04,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 02:51:04,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 02:51:04,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (1/1) ... [2022-11-16 02:51:04,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 02:51:04,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:51:04,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 02:51:04,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 02:51:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 02:51:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 02:51:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 02:51:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 02:51:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 02:51:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 02:51:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 02:51:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 02:51:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 02:51:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 02:51:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 02:51:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 02:51:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 02:51:04,648 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 02:51:04,763 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 02:51:04,765 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 02:51:04,882 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 02:51:04,887 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 02:51:04,887 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 02:51:04,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 02:51:04 BoogieIcfgContainer [2022-11-16 02:51:04,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 02:51:04,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 02:51:04,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 02:51:04,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 02:51:04,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:51:04" (1/3) ... [2022-11-16 02:51:04,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec6297f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:51:04, skipping insertion in model container [2022-11-16 02:51:04,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:51:04" (2/3) ... [2022-11-16 02:51:04,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec6297f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:51:04, skipping insertion in model container [2022-11-16 02:51:04,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 02:51:04" (3/3) ... [2022-11-16 02:51:04,907 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2022-11-16 02:51:04,913 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 02:51:04,919 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 02:51:04,919 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 02:51:04,919 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 02:51:04,994 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 02:51:05,028 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 02:51:05,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 02:51:05,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:51:05,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 02:51:05,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-16 02:51:05,104 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 02:51:05,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 02:51:05,126 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;@20569e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 02:51:05,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 02:51:05,311 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:51:05,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:51:05,316 INFO L85 PathProgramCache]: Analyzing trace with hash 930954557, now seen corresponding path program 1 times [2022-11-16 02:51:05,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:51:05,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730888673] [2022-11-16 02:51:05,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:51:05,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:51:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 02:51:05,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 02:51:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 02:51:05,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 02:51:05,622 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 02:51:05,623 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-16 02:51:05,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-16 02:51:05,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-16 02:51:05,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 02:51:05,636 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 02:51:05,640 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 02:51:05,640 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 02:51:05,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 02:51:05 BasicIcfg [2022-11-16 02:51:05,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 02:51:05,721 INFO L158 Benchmark]: Toolchain (without parser) took 1590.24ms. Allocated memory was 241.2MB in the beginning and 347.1MB in the end (delta: 105.9MB). Free memory was 185.5MB in the beginning and 313.7MB in the end (delta: -128.2MB). Peak memory consumption was 40.0MB. Max. memory is 8.0GB. [2022-11-16 02:51:05,722 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 241.2MB. Free memory was 203.3MB in the beginning and 203.2MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 02:51:05,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.55ms. Allocated memory was 241.2MB in the beginning and 347.1MB in the end (delta: 105.9MB). Free memory was 185.2MB in the beginning and 311.3MB in the end (delta: -126.1MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-11-16 02:51:05,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.36ms. Allocated memory is still 347.1MB. Free memory was 311.3MB in the beginning and 309.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 02:51:05,722 INFO L158 Benchmark]: Boogie Preprocessor took 26.77ms. Allocated memory is still 347.1MB. Free memory was 309.3MB in the beginning and 307.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-16 02:51:05,723 INFO L158 Benchmark]: RCFGBuilder took 300.09ms. Allocated memory is still 347.1MB. Free memory was 307.8MB in the beginning and 293.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-11-16 02:51:05,723 INFO L158 Benchmark]: TraceAbstraction took 830.55ms. Allocated memory is still 347.1MB. Free memory was 293.0MB in the beginning and 313.7MB in the end (delta: -20.7MB). Peak memory consumption was 43.3MB. Max. memory is 8.0GB. [2022-11-16 02:51:05,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 241.2MB. Free memory was 203.3MB in the beginning and 203.2MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 381.55ms. Allocated memory was 241.2MB in the beginning and 347.1MB in the end (delta: 105.9MB). Free memory was 185.2MB in the beginning and 311.3MB in the end (delta: -126.1MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.36ms. Allocated memory is still 347.1MB. Free memory was 311.3MB in the beginning and 309.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.77ms. Allocated memory is still 347.1MB. Free memory was 309.3MB in the beginning and 307.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 300.09ms. Allocated memory is still 347.1MB. Free memory was 307.8MB in the beginning and 293.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 830.55ms. Allocated memory is still 347.1MB. Free memory was 293.0MB in the beginning and 313.7MB in the end (delta: -20.7MB). Peak memory consumption was 43.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 460, independent conditional: 0, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 457, independent conditional: 0, independent unconditional: 457, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 495, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 469, unknown conditional: 0, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 460, Positive conditional cache size: 0, Positive unconditional cache size: 460, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 80, Number of trivial persistent sets: 69, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 469, independent: 460, independent conditional: 0, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 460, independent conditional: 0, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 457, independent conditional: 0, independent unconditional: 457, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 495, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 469, unknown conditional: 0, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 460, Positive conditional cache size: 0, Positive unconditional cache size: 460, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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: 0 - CounterExampleResult [Line: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; VAL [ma={3:0}, mb={4:0}] [L693] 0 int data1, data2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}] [L716] 0 pthread_t t1, t2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L719] 0 data1 = 10 VAL [data1=10, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L720] 0 data2 = 10 VAL [data1=10, data2=10, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t1, 0, thread1, 0)=-2, t1={6:0}, t2={5:0}] [L697] 1 data1++ VAL [arg={0:0}, arg={0:0}, data1=11, data2=10, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [arg={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}] [L702] 1 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}, pthread_create(&t2, 0, thread2, 0)=-1, t1={6:0}, t2={5:0}] [L707] 2 data1+=5 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}] [L710] 2 data2-=6 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L712] 2 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L723] 0 \read(t1) VAL [\read(t1)=-2, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-2, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L725] COND TRUE 0 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] - UnprovableResult [Line: 721]: 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: 722]: 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 5 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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, 80 NumberOfCodeBlocks, 80 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! [2022-11-16 02:51:05,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 02:51:05,951 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...