./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:14:58,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:14:58,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:14:58,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:14:58,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:14:58,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:14:58,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:14:58,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:14:58,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:14:58,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:14:58,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:14:58,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:14:58,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:14:58,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:14:58,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:14:58,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:14:58,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:14:58,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:14:58,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:14:58,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:14:58,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:14:58,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:14:58,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:14:58,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:14:58,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:14:58,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:14:58,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:14:58,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:14:58,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:14:58,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:14:58,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:14:58,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:14:58,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:14:58,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:14:58,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:14:58,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:14:58,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:14:58,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:14:58,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:14:58,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:14:58,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:14:58,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:14:58,520 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:14:58,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:14:58,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:14:58,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:14:58,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:14:58,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:14:58,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:14:58,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:14:58,524 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:14:58,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:14:58,525 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:14:58,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:14:58,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:14:58,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:14:58,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:14:58,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:14:58,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:14:58,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:14:58,527 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:14:58,527 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:14:58,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:14:58,527 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:14:58,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:14:58,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:14:58,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:14:58,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:14:58,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:14:58,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:14:58,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:14:58,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:14:58,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:14:58,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:14:58,529 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:14:58,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:14:58,530 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:14:58,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:14:58,530 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:14:58,530 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:14:58,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:14:58,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:14:58,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:14:58,822 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:14:58,823 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:14:58,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-29 01:15:00,030 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:15:00,359 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:15:00,360 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-29 01:15:00,393 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003acccdf/79c11efa095e4f858c1dfdd22c7be1a3/FLAGfce8afbbf [2023-08-29 01:15:00,412 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003acccdf/79c11efa095e4f858c1dfdd22c7be1a3 [2023-08-29 01:15:00,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:15:00,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:15:00,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:15:00,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:15:00,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:15:00,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:15:00" (1/1) ... [2023-08-29 01:15:00,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56884828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:00, skipping insertion in model container [2023-08-29 01:15:00,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:15:00" (1/1) ... [2023-08-29 01:15:00,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:15:00,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:15:01,081 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] [2023-08-29 01:15:01,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:15:01,141 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:15:01,225 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] [2023-08-29 01:15:01,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:15:01,342 WARN L667 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:15:01,347 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:15:01,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01 WrapperNode [2023-08-29 01:15:01,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:15:01,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:15:01,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:15:01,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:15:01,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (1/1) ... [2023-08-29 01:15:01,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (1/1) ... [2023-08-29 01:15:01,443 INFO L138 Inliner]: procedures = 428, calls = 126, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 874 [2023-08-29 01:15:01,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:15:01,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:15:01,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:15:01,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:15:01,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (1/1) ... [2023-08-29 01:15:01,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (1/1) ... [2023-08-29 01:15:01,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (1/1) ... [2023-08-29 01:15:01,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (1/1) ... [2023-08-29 01:15:01,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (1/1) ... [2023-08-29 01:15:01,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (1/1) ... [2023-08-29 01:15:01,591 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (1/1) ... [2023-08-29 01:15:01,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (1/1) ... [2023-08-29 01:15:01,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:15:01,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:15:01,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:15:01,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:15:01,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (1/1) ... [2023-08-29 01:15:01,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:15:01,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:15:01,653 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) [2023-08-29 01:15:01,675 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 [2023-08-29 01:15:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2023-08-29 01:15:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2023-08-29 01:15:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:15:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:15:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 01:15:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 01:15:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-08-29 01:15:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:15:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:15:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:15:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:15:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:15:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 01:15:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2023-08-29 01:15:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2023-08-29 01:15:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:15:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:15:01,694 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:15:01,908 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:15:01,910 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:15:03,075 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:15:03,085 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:15:03,085 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-29 01:15:03,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:15:03 BoogieIcfgContainer [2023-08-29 01:15:03,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:15:03,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:15:03,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:15:03,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:15:03,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:15:00" (1/3) ... [2023-08-29 01:15:03,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b312f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:15:03, skipping insertion in model container [2023-08-29 01:15:03,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:15:01" (2/3) ... [2023-08-29 01:15:03,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b312f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:15:03, skipping insertion in model container [2023-08-29 01:15:03,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:15:03" (3/3) ... [2023-08-29 01:15:03,095 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2023-08-29 01:15:03,102 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:15:03,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:15:03,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2023-08-29 01:15:03,111 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:15:03,329 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 01:15:03,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 912 places, 956 transitions, 1934 flow [2023-08-29 01:15:04,264 INFO L130 PetriNetUnfolder]: 109/2029 cut-off events. [2023-08-29 01:15:04,264 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-29 01:15:04,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2049 conditions, 2029 events. 109/2029 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 12750 event pairs, 0 based on Foata normal form. 0/1755 useless extension candidates. Maximal degree in co-relation 1063. Up to 16 conditions per place. [2023-08-29 01:15:04,349 INFO L82 GeneralOperation]: Start removeDead. Operand has 912 places, 956 transitions, 1934 flow [2023-08-29 01:15:04,385 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 912 places, 956 transitions, 1934 flow [2023-08-29 01:15:04,390 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:15:04,402 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 912 places, 956 transitions, 1934 flow [2023-08-29 01:15:04,409 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 912 places, 956 transitions, 1934 flow [2023-08-29 01:15:04,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 912 places, 956 transitions, 1934 flow [2023-08-29 01:15:05,082 INFO L130 PetriNetUnfolder]: 109/2029 cut-off events. [2023-08-29 01:15:05,082 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-29 01:15:05,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2049 conditions, 2029 events. 109/2029 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 12750 event pairs, 0 based on Foata normal form. 0/1755 useless extension candidates. Maximal degree in co-relation 1063. Up to 16 conditions per place. [2023-08-29 01:15:05,339 INFO L119 LiptonReduction]: Number of co-enabled transitions 415500 [2023-08-29 01:15:42,822 WARN L222 SmtUtils]: Spent 7.13s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:15:48,861 WARN L222 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:15:55,777 WARN L222 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:16:01,452 WARN L222 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:16:25,123 WARN L222 SmtUtils]: Spent 20.28s on a formula simplification that was a NOOP. DAG size: 157 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:16:36,763 WARN L222 SmtUtils]: Spent 11.64s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:16:57,284 WARN L222 SmtUtils]: Spent 20.52s on a formula simplification that was a NOOP. DAG size: 157 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:17:09,755 WARN L222 SmtUtils]: Spent 12.47s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:17:15,769 WARN L222 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 123 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:17:25,116 WARN L222 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 123 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:17:45,106 WARN L222 SmtUtils]: Spent 16.16s on a formula simplification. DAG size of input: 175 DAG size of output: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:17:52,800 WARN L222 SmtUtils]: Spent 7.69s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:18:05,682 WARN L222 SmtUtils]: Spent 12.88s on a formula simplification. DAG size of input: 175 DAG size of output: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:18:12,043 WARN L222 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:19:53,581 WARN L222 SmtUtils]: Spent 1.69m on a formula simplification. DAG size of input: 203 DAG size of output: 201 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:20:29,981 WARN L222 SmtUtils]: Spent 36.40s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:22:06,705 WARN L222 SmtUtils]: Spent 1.61m on a formula simplification. DAG size of input: 203 DAG size of output: 201 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:22:43,560 WARN L222 SmtUtils]: Spent 36.85s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:26:24,862 WARN L222 SmtUtils]: Spent 3.69m on a formula simplification that was a NOOP. DAG size: 349 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:27:17,220 WARN L222 SmtUtils]: Spent 52.35s on a formula simplification that was a NOOP. DAG size: 337 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15