/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-27 18:22:58,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-27 18:22:58,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-27 18:22:58,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-27 18:22:58,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-27 18:22:58,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-27 18:22:58,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-27 18:22:58,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-27 18:22:58,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-27 18:22:58,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-27 18:22:58,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-27 18:22:58,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-27 18:22:58,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-27 18:22:58,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-27 18:22:58,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-27 18:22:58,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-27 18:22:58,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-27 18:22:58,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-27 18:22:58,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-27 18:22:58,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-27 18:22:58,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-27 18:22:58,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-27 18:22:58,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-27 18:22:58,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-27 18:22:58,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-27 18:22:58,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-27 18:22:58,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-27 18:22:58,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-27 18:22:58,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-27 18:22:58,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-27 18:22:58,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-27 18:22:58,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-27 18:22:58,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-27 18:22:58,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-27 18:22:58,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-27 18:22:58,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-27 18:22:58,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-01-27 18:22:58,783 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-27 18:22:58,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-27 18:22:58,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-27 18:22:58,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-27 18:22:58,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-27 18:22:58,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-27 18:22:58,785 INFO L138 SettingsManager]: * Use SBE=true [2023-01-27 18:22:58,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-27 18:22:58,785 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-27 18:22:58,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-27 18:22:58,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-27 18:22:58,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-27 18:22:58,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-27 18:22:58,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-27 18:22:58,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-27 18:22:58,787 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-27 18:22:58,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-27 18:22:58,787 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-27 18:22:58,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-27 18:22:58,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-27 18:22:58,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-27 18:22:58,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-27 18:22:58,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-27 18:22:58,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 18:22:58,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-27 18:22:58,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-27 18:22:58,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-27 18:22:58,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-27 18:22:58,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-27 18:22:58,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-27 18:22:58,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-27 18:22:58,788 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-01-27 18:22:59,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-27 18:22:59,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-27 18:22:59,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-27 18:22:59,120 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-27 18:22:59,133 INFO L275 PluginConnector]: CDTParser initialized [2023-01-27 18:22:59,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-01-27 18:23:00,686 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-27 18:23:01,126 INFO L351 CDTParser]: Found 1 translation units. [2023-01-27 18:23:01,126 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-01-27 18:23:01,166 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63ee82668/dd1d704585694a4584b6511b3010099a/FLAG6a8e5b63c [2023-01-27 18:23:01,178 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63ee82668/dd1d704585694a4584b6511b3010099a [2023-01-27 18:23:01,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-27 18:23:01,181 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-27 18:23:01,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-27 18:23:01,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-27 18:23:01,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-27 18:23:01,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 06:23:01" (1/1) ... [2023-01-27 18:23:01,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78126f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:01, skipping insertion in model container [2023-01-27 18:23:01,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 06:23:01" (1/1) ... [2023-01-27 18:23:01,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-27 18:23:01,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-27 18:23:02,130 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i[70002,70015] [2023-01-27 18:23:02,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 18:23:02,231 INFO L203 MainTranslator]: Completed pre-run [2023-01-27 18:23:02,323 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i[70002,70015] [2023-01-27 18:23:02,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 18:23:02,469 WARN L667 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:23:02,474 INFO L208 MainTranslator]: Completed translation [2023-01-27 18:23:02,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02 WrapperNode [2023-01-27 18:23:02,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-27 18:23:02,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-27 18:23:02,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-27 18:23:02,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-27 18:23:02,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (1/1) ... [2023-01-27 18:23:02,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (1/1) ... [2023-01-27 18:23:02,616 INFO L138 Inliner]: procedures = 428, calls = 126, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 459 [2023-01-27 18:23:02,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-27 18:23:02,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-27 18:23:02,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-27 18:23:02,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-27 18:23:02,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (1/1) ... [2023-01-27 18:23:02,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (1/1) ... [2023-01-27 18:23:02,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (1/1) ... [2023-01-27 18:23:02,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (1/1) ... [2023-01-27 18:23:02,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (1/1) ... [2023-01-27 18:23:02,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (1/1) ... [2023-01-27 18:23:02,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (1/1) ... [2023-01-27 18:23:02,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (1/1) ... [2023-01-27 18:23:02,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-27 18:23:02,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-27 18:23:02,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-27 18:23:02,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-27 18:23:02,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (1/1) ... [2023-01-27 18:23:02,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 18:23:02,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 18:23:02,798 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) [2023-01-27 18:23:02,850 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 [2023-01-27 18:23:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2023-01-27 18:23:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2023-01-27 18:23:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-27 18:23:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-27 18:23:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-27 18:23:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-27 18:23:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-01-27 18:23:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-27 18:23:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-01-27 18:23:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-27 18:23:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-27 18:23:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-27 18:23:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-01-27 18:23:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2023-01-27 18:23:02,877 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2023-01-27 18:23:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-27 18:23:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-27 18:23:02,879 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-27 18:23:03,158 INFO L236 CfgBuilder]: Building ICFG [2023-01-27 18:23:03,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-27 18:23:03,988 INFO L277 CfgBuilder]: Performing block encoding [2023-01-27 18:23:04,000 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-27 18:23:04,000 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-01-27 18:23:04,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 06:23:04 BoogieIcfgContainer [2023-01-27 18:23:04,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-27 18:23:04,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-27 18:23:04,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-27 18:23:04,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-27 18:23:04,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 06:23:01" (1/3) ... [2023-01-27 18:23:04,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b50de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 06:23:04, skipping insertion in model container [2023-01-27 18:23:04,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:23:02" (2/3) ... [2023-01-27 18:23:04,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b50de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 06:23:04, skipping insertion in model container [2023-01-27 18:23:04,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 06:23:04" (3/3) ... [2023-01-27 18:23:04,023 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2023-01-27 18:23:04,034 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-27 18:23:04,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-27 18:23:04,035 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-27 18:23:04,234 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-01-27 18:23:04,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 423 places, 467 transitions, 956 flow [2023-01-27 18:23:04,742 INFO L130 PetriNetUnfolder]: 109/1010 cut-off events. [2023-01-27 18:23:04,742 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-01-27 18:23:04,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 1010 events. 109/1010 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5984 event pairs, 0 based on Foata normal form. 0/893 useless extension candidates. Maximal degree in co-relation 534. Up to 16 conditions per place. [2023-01-27 18:23:04,777 INFO L82 GeneralOperation]: Start removeDead. Operand has 423 places, 467 transitions, 956 flow [2023-01-27 18:23:04,803 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 423 places, 467 transitions, 956 flow [2023-01-27 18:23:04,806 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 18:23:04,826 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 467 transitions, 956 flow [2023-01-27 18:23:04,829 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 467 transitions, 956 flow [2023-01-27 18:23:04,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 423 places, 467 transitions, 956 flow [2023-01-27 18:23:05,072 INFO L130 PetriNetUnfolder]: 109/1010 cut-off events. [2023-01-27 18:23:05,072 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-01-27 18:23:05,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 1010 events. 109/1010 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5984 event pairs, 0 based on Foata normal form. 0/893 useless extension candidates. Maximal degree in co-relation 534. Up to 16 conditions per place. [2023-01-27 18:23:05,180 INFO L119 LiptonReduction]: Number of co-enabled transitions 103794 [2023-01-27 18:23:34,974 WARN L222 SmtUtils]: Spent 10.39s on a formula simplification that was a NOOP. DAG size: 199 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:23:45,823 WARN L222 SmtUtils]: Spent 10.85s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:23:58,863 WARN L222 SmtUtils]: Spent 13.04s on a formula simplification that was a NOOP. DAG size: 199 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:24:09,611 WARN L222 SmtUtils]: Spent 10.75s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:25:28,687 WARN L222 SmtUtils]: Spent 1.29m on a formula simplification. DAG size of input: 309 DAG size of output: 274 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:25:55,418 WARN L222 SmtUtils]: Spent 26.73s on a formula simplification that was a NOOP. DAG size: 263 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:27:10,388 WARN L222 SmtUtils]: Spent 1.25m on a formula simplification. DAG size of input: 322 DAG size of output: 282 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:27:46,913 WARN L222 SmtUtils]: Spent 36.52s on a formula simplification that was a NOOP. DAG size: 269 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:27:46,948 INFO L134 LiptonReduction]: Checked pairs total: 242585 [2023-01-27 18:27:46,948 INFO L136 LiptonReduction]: Total number of compositions: 447 [2023-01-27 18:27:46,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-27 18:27:46,993 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=false, mAutomataTypeConcurrency=PETRI_NET, 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;@32b7dee1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-27 18:27:46,993 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-01-27 18:27:46,999 INFO L130 PetriNetUnfolder]: 7/57 cut-off events. [2023-01-27 18:27:47,000 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-27 18:27:47,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 18:27:47,000 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2023-01-27 18:27:47,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [consumer_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-27 18:27:47,004 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 18:27:47,004 INFO L85 PathProgramCache]: Analyzing trace with hash 654676923, now seen corresponding path program 1 times [2023-01-27 18:27:47,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 18:27:47,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42377748] [2023-01-27 18:27:47,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 18:27:47,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 18:27:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-27 18:27:47,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-27 18:27:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-27 18:27:47,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-27 18:27:47,496 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-27 18:27:47,497 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2023-01-27 18:27:47,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location consumer_routineErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-01-27 18:27:47,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-01-27 18:27:47,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location consumer_routineErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-01-27 18:27:47,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-27 18:27:47,502 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-27 18:27:47,506 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-01-27 18:27:47,506 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-01-27 18:27:47,645 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2023-01-27 18:27:47,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 650 places, 719 transitions, 1486 flow [2023-01-27 18:27:49,955 INFO L130 PetriNetUnfolder]: 384/3284 cut-off events. [2023-01-27 18:27:49,955 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2023-01-27 18:27:50,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3381 conditions, 3284 events. 384/3284 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 26182 event pairs, 2 based on Foata normal form. 0/2907 useless extension candidates. Maximal degree in co-relation 1846. Up to 64 conditions per place. [2023-01-27 18:27:50,105 INFO L82 GeneralOperation]: Start removeDead. Operand has 650 places, 719 transitions, 1486 flow [2023-01-27 18:27:50,152 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 650 places, 719 transitions, 1486 flow [2023-01-27 18:27:50,152 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 18:27:50,153 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 650 places, 719 transitions, 1486 flow [2023-01-27 18:27:50,153 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 650 places, 719 transitions, 1486 flow [2023-01-27 18:27:50,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 650 places, 719 transitions, 1486 flow [2023-01-27 18:27:51,948 INFO L130 PetriNetUnfolder]: 384/3284 cut-off events. [2023-01-27 18:27:51,948 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2023-01-27 18:27:52,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3381 conditions, 3284 events. 384/3284 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 26182 event pairs, 2 based on Foata normal form. 0/2907 useless extension candidates. Maximal degree in co-relation 1846. Up to 64 conditions per place. [2023-01-27 18:27:52,447 INFO L119 LiptonReduction]: Number of co-enabled transitions 333516 [2023-01-27 18:28:18,641 WARN L222 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:24,877 WARN L222 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 166 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:32,265 WARN L222 SmtUtils]: Spent 7.38s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:39,037 WARN L222 SmtUtils]: Spent 6.76s on a formula simplification that was a NOOP. DAG size: 166 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:29:40,526 WARN L222 SmtUtils]: Spent 1.02m on a formula simplification that was a NOOP. DAG size: 219 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:30:36,680 WARN L222 SmtUtils]: Spent 56.15s on a formula simplification that was a NOOP. DAG size: 215 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:32:03,549 WARN L222 SmtUtils]: Spent 1.45m on a formula simplification. DAG size of input: 225 DAG size of output: 223 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:32:36,098 WARN L222 SmtUtils]: Spent 32.55s on a formula simplification that was a NOOP. DAG size: 218 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:33:47,459 WARN L222 SmtUtils]: Spent 1.18m on a formula simplification. DAG size of input: 272 DAG size of output: 267 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:34:24,894 WARN L222 SmtUtils]: Spent 37.43s on a formula simplification that was a NOOP. DAG size: 263 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:35:29,533 WARN L222 SmtUtils]: Spent 1.08m on a formula simplification. DAG size of input: 281 DAG size of output: 274 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:35:59,208 WARN L222 SmtUtils]: Spent 29.67s on a formula simplification that was a NOOP. DAG size: 269 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:35:59,241 INFO L134 LiptonReduction]: Checked pairs total: 767633 [2023-01-27 18:35:59,242 INFO L136 LiptonReduction]: Total number of compositions: 680 [2023-01-27 18:35:59,245 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-27 18:35:59,250 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=false, mAutomataTypeConcurrency=PETRI_NET, 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;@32b7dee1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-27 18:35:59,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-01-27 18:35:59,284 INFO L130 PetriNetUnfolder]: 33/207 cut-off events. [2023-01-27 18:35:59,284 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2023-01-27 18:35:59,285 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 18:35:59,286 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 18:35:59,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting consumer_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [consumer_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-01-27 18:35:59,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 18:35:59,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1659459678, now seen corresponding path program 1 times [2023-01-27 18:35:59,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 18:35:59,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837095157] [2023-01-27 18:35:59,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 18:35:59,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 18:35:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 18:35:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 18:35:59,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 18:35:59,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837095157] [2023-01-27 18:35:59,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837095157] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 18:35:59,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 18:35:59,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-27 18:35:59,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781682434] [2023-01-27 18:35:59,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 18:35:59,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-27 18:35:59,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 18:35:59,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-27 18:35:59,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-27 18:35:59,594 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 658 out of 1399 [2023-01-27 18:35:59,599 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 226 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 663.3333333333334) internal successors, (1990), 3 states have internal predecessors, (1990), 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) [2023-01-27 18:35:59,599 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 18:35:59,599 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 658 of 1399 [2023-01-27 18:35:59,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-01-27 18:37:53,611 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-27 18:37:54,816 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-01-27 18:37:54,923 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 137 [2023-01-27 18:37:55,492 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location consumer_routineErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-01-27 18:37:55,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-27 18:37:55,492 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-01-27 18:37:55,497 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location consumer_routineErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-01-27 18:37:55,497 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-01-27 18:37:55,498 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-01-27 18:37:55,498 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location consumer_routineErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-01-27 18:37:55,498 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-27 18:37:55,517 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2023-01-27 18:37:55,517 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-27 18:37:55,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 06:37:55 BasicIcfg [2023-01-27 18:37:55,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-27 18:37:55,524 INFO L158 Benchmark]: Toolchain (without parser) took 894343.45ms. Allocated memory was 446.7MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 394.6MB in the beginning and 9.6GB in the end (delta: -9.2GB). Peak memory consumption was 6.5GB. Max. memory is 16.0GB. [2023-01-27 18:37:55,524 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 325.1MB. Free memory is still 273.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 18:37:55,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1280.34ms. Allocated memory is still 446.7MB. Free memory was 394.2MB in the beginning and 343.3MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.0GB. [2023-01-27 18:37:55,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.41ms. Allocated memory is still 446.7MB. Free memory was 343.3MB in the beginning and 410.5MB in the end (delta: -67.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.0GB. [2023-01-27 18:37:55,525 INFO L158 Benchmark]: Boogie Preprocessor took 105.74ms. Allocated memory is still 446.7MB. Free memory was 410.5MB in the beginning and 406.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-01-27 18:37:55,525 INFO L158 Benchmark]: RCFGBuilder took 1293.79ms. Allocated memory is still 446.7MB. Free memory was 406.1MB in the beginning and 365.4MB in the end (delta: 40.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2023-01-27 18:37:55,526 INFO L158 Benchmark]: TraceAbstraction took 891505.09ms. Allocated memory was 446.7MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 365.4MB in the beginning and 9.6GB in the end (delta: -9.3GB). Peak memory consumption was 6.4GB. Max. memory is 16.0GB. [2023-01-27 18:37:55,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 325.1MB. Free memory is still 273.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 1280.34ms. Allocated memory is still 446.7MB. Free memory was 394.2MB in the beginning and 343.3MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 141.41ms. Allocated memory is still 446.7MB. Free memory was 343.3MB in the beginning and 410.5MB in the end (delta: -67.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.0GB. * Boogie Preprocessor took 105.74ms. Allocated memory is still 446.7MB. Free memory was 410.5MB in the beginning and 406.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 1293.79ms. Allocated memory is still 446.7MB. Free memory was 406.1MB in the beginning and 365.4MB in the end (delta: 40.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * TraceAbstraction took 891505.09ms. Allocated memory was 446.7MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 365.4MB in the beginning and 9.6GB in the end (delta: -9.3GB). Peak memory consumption was 6.4GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 282.1s, 423 PlacesBefore, 114 PlacesAfterwards, 467 TransitionsBefore, 141 TransitionsAfterwards, 103794 CoEnabledTransitionPairs, 8 FixpointIterations, 65 TrivialSequentialCompositions, 265 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 88 ConcurrentYvCompositions, 17 ChoiceCompositions, 447 TotalNumberOfCompositions, 242585 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 97611, independent: 96017, independent conditional: 0, independent unconditional: 96017, dependent: 1594, dependent conditional: 0, dependent unconditional: 1594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 57055, independent: 56802, independent conditional: 0, independent unconditional: 56802, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 97611, independent: 39215, independent conditional: 0, independent unconditional: 39215, dependent: 1341, dependent conditional: 0, dependent unconditional: 1341, unknown: 57055, unknown conditional: 0, unknown unconditional: 57055] , Statistics on independence cache: Total cache size (in pairs): 1813, Positive cache size: 1698, Positive conditional cache size: 0, Positive unconditional cache size: 1698, Negative cache size: 115, Negative conditional cache size: 0, Negative unconditional cache size: 115, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 489.1s, 650 PlacesBefore, 180 PlacesAfterwards, 719 TransitionsBefore, 226 TransitionsAfterwards, 333516 CoEnabledTransitionPairs, 7 FixpointIterations, 63 TrivialSequentialCompositions, 442 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 140 ConcurrentYvCompositions, 23 ChoiceCompositions, 680 TotalNumberOfCompositions, 767633 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 300791, independent: 298434, independent conditional: 0, independent unconditional: 298434, dependent: 2357, dependent conditional: 0, dependent unconditional: 2357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 179853, independent: 179454, independent conditional: 0, independent unconditional: 179454, dependent: 399, dependent conditional: 0, dependent unconditional: 399, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 300791, independent: 118980, independent conditional: 0, independent unconditional: 118980, dependent: 1958, dependent conditional: 0, dependent unconditional: 1958, unknown: 179853, unknown conditional: 0, unknown unconditional: 179853] , Statistics on independence cache: Total cache size (in pairs): 4351, Positive cache size: 4167, Positive conditional cache size: 0, Positive unconditional cache size: 4167, Negative cache size: 184, Negative conditional cache size: 0, Negative unconditional cache size: 184, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 1581]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1672]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1678]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 642 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 283.2s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 282.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 865 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 607.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 115.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 491.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 417 IncrementalHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 417 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=500occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: Timeout Completed graceful shutdown