./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_51-mutex_ptr.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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/goblint-regression/04-mutex_51-mutex_ptr.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 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:30:18,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:30:18,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:30:18,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:30:18,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:30:18,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:30:18,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:30:18,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:30:18,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:30:18,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:30:18,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:30:18,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:30:18,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:30:18,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:30:18,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:30:18,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:30:18,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:30:18,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:30:18,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:30:18,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:30:18,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:30:18,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:30:18,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:30:18,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:30:18,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:30:18,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:30:18,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:30:18,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:30:18,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:30:18,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:30:18,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:30:18,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:30:18,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:30:18,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:30:18,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:30:18,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:30:18,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:30:18,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:30:18,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:30:18,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:30:18,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:30:18,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:30:18,700 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:30:18,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:30:18,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:30:18,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:30:18,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:30:18,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:30:18,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:30:18,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:30:18,704 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:30:18,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:30:18,705 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:30:18,705 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:30:18,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:30:18,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:30:18,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:30:18,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:30:18,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:30:18,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:30:18,707 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:30:18,707 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:30:18,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:30:18,708 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:30:18,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:30:18,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:30:18,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:30:18,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:30:18,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:30:18,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:30:18,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:30:18,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:30:18,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:30:18,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:30:18,710 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:30:18,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:30:18,711 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:30:18,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:30:18,711 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:30:18,711 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:30:19,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:30:19,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:30:19,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:30:19,060 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:30:19,060 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:30:19,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_51-mutex_ptr.i [2023-08-29 17:30:20,303 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:30:20,546 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:30:20,547 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_51-mutex_ptr.i [2023-08-29 17:30:20,562 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c8ebee9/92c0ace551a14efe8100135388167b11/FLAG8b88e6660 [2023-08-29 17:30:20,574 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c8ebee9/92c0ace551a14efe8100135388167b11 [2023-08-29 17:30:20,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:30:20,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:30:20,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:30:20,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:30:20,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:30:20,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:30:20" (1/1) ... [2023-08-29 17:30:20,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3b41bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:20, skipping insertion in model container [2023-08-29 17:30:20,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:30:20" (1/1) ... [2023-08-29 17:30:20,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:30:20,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:30:20,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:30:21,004 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:30:21,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:30:21,133 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:30:21,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21 WrapperNode [2023-08-29 17:30:21,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:30:21,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:30:21,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:30:21,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:30:21,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (1/1) ... [2023-08-29 17:30:21,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (1/1) ... [2023-08-29 17:30:21,203 INFO L138 Inliner]: procedures = 262, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2023-08-29 17:30:21,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:30:21,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:30:21,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:30:21,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:30:21,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (1/1) ... [2023-08-29 17:30:21,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (1/1) ... [2023-08-29 17:30:21,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (1/1) ... [2023-08-29 17:30:21,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (1/1) ... [2023-08-29 17:30:21,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (1/1) ... [2023-08-29 17:30:21,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (1/1) ... [2023-08-29 17:30:21,248 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (1/1) ... [2023-08-29 17:30:21,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (1/1) ... [2023-08-29 17:30:21,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:30:21,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:30:21,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:30:21,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:30:21,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (1/1) ... [2023-08-29 17:30:21,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:30:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:30:21,293 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 17:30:21,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 17:30:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:30:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:30:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:30:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:30:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 17:30:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:30:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 17:30:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 17:30:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:30:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:30:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:30:21,332 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 17:30:21,503 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:30:21,505 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:30:21,746 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:30:21,754 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:30:21,755 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 17:30:21,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:30:21 BoogieIcfgContainer [2023-08-29 17:30:21,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:30:21,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:30:21,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:30:21,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:30:21,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:30:20" (1/3) ... [2023-08-29 17:30:21,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d5444a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:30:21, skipping insertion in model container [2023-08-29 17:30:21,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:21" (2/3) ... [2023-08-29 17:30:21,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d5444a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:30:21, skipping insertion in model container [2023-08-29 17:30:21,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:30:21" (3/3) ... [2023-08-29 17:30:21,765 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_51-mutex_ptr.i [2023-08-29 17:30:21,773 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:30:21,782 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:30:21,783 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-29 17:30:21,783 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:30:21,872 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 17:30:21,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 113 transitions, 234 flow [2023-08-29 17:30:21,977 INFO L130 PetriNetUnfolder]: 0/112 cut-off events. [2023-08-29 17:30:21,978 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 17:30:21,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 112 events. 0/112 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-08-29 17:30:21,981 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 113 transitions, 234 flow [2023-08-29 17:30:21,985 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 105 transitions, 213 flow [2023-08-29 17:30:21,988 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:30:22,001 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 105 transitions, 213 flow [2023-08-29 17:30:22,005 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 105 transitions, 213 flow [2023-08-29 17:30:22,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 105 transitions, 213 flow [2023-08-29 17:30:22,043 INFO L130 PetriNetUnfolder]: 0/105 cut-off events. [2023-08-29 17:30:22,044 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:30:22,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 105 events. 0/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 17:30:22,046 INFO L119 LiptonReduction]: Number of co-enabled transitions 2304 [2023-08-29 17:30:24,045 INFO L134 LiptonReduction]: Checked pairs total: 17825 [2023-08-29 17:30:24,046 INFO L136 LiptonReduction]: Total number of compositions: 54 [2023-08-29 17:30:24,057 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:30:24,063 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=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;@20656803, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:30:24,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-08-29 17:30:24,064 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:30:24,064 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:30:24,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:24,065 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:30:24,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:24,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:24,070 INFO L85 PathProgramCache]: Analyzing trace with hash 344, now seen corresponding path program 1 times [2023-08-29 17:30:24,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:24,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906606266] [2023-08-29 17:30:24,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:24,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:24,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:24,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906606266] [2023-08-29 17:30:24,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906606266] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:24,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:24,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:30:24,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720104133] [2023-08-29 17:30:24,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:24,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:30:24,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:24,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:30:24,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:30:24,200 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 167 [2023-08-29 17:30:24,202 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 54 transitions, 111 flow. Second operand has 2 states, 2 states have (on average 111.5) internal successors, (223), 2 states have internal predecessors, (223), 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) [2023-08-29 17:30:24,202 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:24,202 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 167 [2023-08-29 17:30:24,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:24,263 INFO L130 PetriNetUnfolder]: 36/283 cut-off events. [2023-08-29 17:30:24,263 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:30:24,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 283 events. 36/283 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1290 event pairs, 36 based on Foata normal form. 0/248 useless extension candidates. Maximal degree in co-relation 365. Up to 87 conditions per place. [2023-08-29 17:30:24,268 INFO L137 encePairwiseOnDemand]: 166/167 looper letters, 14 selfloop transitions, 0 changer transitions 0/53 dead transitions. [2023-08-29 17:30:24,268 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 53 transitions, 137 flow [2023-08-29 17:30:24,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:30:24,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:30:24,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 237 transitions. [2023-08-29 17:30:24,305 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7095808383233533 [2023-08-29 17:30:24,305 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 237 transitions. [2023-08-29 17:30:24,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 237 transitions. [2023-08-29 17:30:24,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:24,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 237 transitions. [2023-08-29 17:30:24,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 118.5) internal successors, (237), 2 states have internal predecessors, (237), 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) [2023-08-29 17:30:24,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2023-08-29 17:30:24,315 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2023-08-29 17:30:24,316 INFO L175 Difference]: Start difference. First operand has 58 places, 54 transitions, 111 flow. Second operand 2 states and 237 transitions. [2023-08-29 17:30:24,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 53 transitions, 137 flow [2023-08-29 17:30:24,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 53 transitions, 136 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:30:24,339 INFO L231 Difference]: Finished difference. Result has 57 places, 53 transitions, 108 flow [2023-08-29 17:30:24,341 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=108, PETRI_PLACES=57, PETRI_TRANSITIONS=53} [2023-08-29 17:30:24,343 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -1 predicate places. [2023-08-29 17:30:24,344 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 53 transitions, 108 flow [2023-08-29 17:30:24,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 111.5) internal successors, (223), 2 states have internal predecessors, (223), 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) [2023-08-29 17:30:24,344 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:24,344 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 17:30:24,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:30:24,345 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:24,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:24,346 INFO L85 PathProgramCache]: Analyzing trace with hash 10536324, now seen corresponding path program 1 times [2023-08-29 17:30:24,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:24,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729300191] [2023-08-29 17:30:24,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:24,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:24,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:24,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729300191] [2023-08-29 17:30:24,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729300191] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:24,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:24,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:30:24,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761224209] [2023-08-29 17:30:24,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:24,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:30:24,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:24,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:30:24,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:30:24,462 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 167 [2023-08-29 17:30:24,462 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 53 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2023-08-29 17:30:24,463 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:24,463 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 167 [2023-08-29 17:30:24,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:24,518 INFO L130 PetriNetUnfolder]: 72/356 cut-off events. [2023-08-29 17:30:24,519 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:30:24,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 356 events. 72/356 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1663 event pairs, 64 based on Foata normal form. 0/329 useless extension candidates. Maximal degree in co-relation 521. Up to 161 conditions per place. [2023-08-29 17:30:24,522 INFO L137 encePairwiseOnDemand]: 161/167 looper letters, 19 selfloop transitions, 2 changer transitions 0/51 dead transitions. [2023-08-29 17:30:24,522 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 51 transitions, 146 flow [2023-08-29 17:30:24,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:30:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:30:24,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2023-08-29 17:30:24,525 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6367265469061876 [2023-08-29 17:30:24,525 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 319 transitions. [2023-08-29 17:30:24,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 319 transitions. [2023-08-29 17:30:24,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:24,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 319 transitions. [2023-08-29 17:30:24,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2023-08-29 17:30:24,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 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) [2023-08-29 17:30:24,529 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 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) [2023-08-29 17:30:24,529 INFO L175 Difference]: Start difference. First operand has 57 places, 53 transitions, 108 flow. Second operand 3 states and 319 transitions. [2023-08-29 17:30:24,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 51 transitions, 146 flow [2023-08-29 17:30:24,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 51 transitions, 146 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:30:24,530 INFO L231 Difference]: Finished difference. Result has 56 places, 51 transitions, 114 flow [2023-08-29 17:30:24,531 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=56, PETRI_TRANSITIONS=51} [2023-08-29 17:30:24,531 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -2 predicate places. [2023-08-29 17:30:24,532 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 51 transitions, 114 flow [2023-08-29 17:30:24,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2023-08-29 17:30:24,532 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:24,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:24,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:30:24,533 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:24,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:24,533 INFO L85 PathProgramCache]: Analyzing trace with hash 502447118, now seen corresponding path program 1 times [2023-08-29 17:30:24,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:24,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780132473] [2023-08-29 17:30:24,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:24,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:24,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:24,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:24,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780132473] [2023-08-29 17:30:24,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780132473] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:24,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:24,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:24,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159382971] [2023-08-29 17:30:24,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:24,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:24,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:24,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:24,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:25,107 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 167 [2023-08-29 17:30:25,109 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 51 transitions, 114 flow. Second operand has 6 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 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) [2023-08-29 17:30:25,109 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:25,110 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 167 [2023-08-29 17:30:25,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:25,244 INFO L130 PetriNetUnfolder]: 170/586 cut-off events. [2023-08-29 17:30:25,245 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2023-08-29 17:30:25,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 586 events. 170/586 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3088 event pairs, 74 based on Foata normal form. 0/555 useless extension candidates. Maximal degree in co-relation 989. Up to 278 conditions per place. [2023-08-29 17:30:25,248 INFO L137 encePairwiseOnDemand]: 156/167 looper letters, 49 selfloop transitions, 22 changer transitions 0/93 dead transitions. [2023-08-29 17:30:25,249 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 93 transitions, 348 flow [2023-08-29 17:30:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:25,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 640 transitions. [2023-08-29 17:30:25,252 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6387225548902196 [2023-08-29 17:30:25,252 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 640 transitions. [2023-08-29 17:30:25,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 640 transitions. [2023-08-29 17:30:25,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:25,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 640 transitions. [2023-08-29 17:30:25,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 106.66666666666667) internal successors, (640), 6 states have internal predecessors, (640), 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) [2023-08-29 17:30:25,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-08-29 17:30:25,267 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-08-29 17:30:25,267 INFO L175 Difference]: Start difference. First operand has 56 places, 51 transitions, 114 flow. Second operand 6 states and 640 transitions. [2023-08-29 17:30:25,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 93 transitions, 348 flow [2023-08-29 17:30:25,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 93 transitions, 348 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:30:25,270 INFO L231 Difference]: Finished difference. Result has 66 places, 72 transitions, 264 flow [2023-08-29 17:30:25,270 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=264, PETRI_PLACES=66, PETRI_TRANSITIONS=72} [2023-08-29 17:30:25,271 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 8 predicate places. [2023-08-29 17:30:25,271 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 72 transitions, 264 flow [2023-08-29 17:30:25,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 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) [2023-08-29 17:30:25,271 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:25,272 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:25,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:30:25,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:25,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:25,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1765733787, now seen corresponding path program 1 times [2023-08-29 17:30:25,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:25,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632232932] [2023-08-29 17:30:25,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:25,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:25,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:25,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632232932] [2023-08-29 17:30:25,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632232932] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:25,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:25,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:25,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372678916] [2023-08-29 17:30:25,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:25,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:25,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:25,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:25,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:25,675 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 167 [2023-08-29 17:30:25,676 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 72 transitions, 264 flow. Second operand has 6 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 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) [2023-08-29 17:30:25,676 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:25,676 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 167 [2023-08-29 17:30:25,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:25,840 INFO L130 PetriNetUnfolder]: 212/709 cut-off events. [2023-08-29 17:30:25,840 INFO L131 PetriNetUnfolder]: For 161/164 co-relation queries the response was YES. [2023-08-29 17:30:25,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1417 conditions, 709 events. 212/709 cut-off events. For 161/164 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 4008 event pairs, 85 based on Foata normal form. 0/678 useless extension candidates. Maximal degree in co-relation 1408. Up to 344 conditions per place. [2023-08-29 17:30:25,845 INFO L137 encePairwiseOnDemand]: 156/167 looper letters, 65 selfloop transitions, 26 changer transitions 0/117 dead transitions. [2023-08-29 17:30:25,845 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 117 transitions, 562 flow [2023-08-29 17:30:25,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 643 transitions. [2023-08-29 17:30:25,847 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6417165668662674 [2023-08-29 17:30:25,848 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 643 transitions. [2023-08-29 17:30:25,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 643 transitions. [2023-08-29 17:30:25,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:25,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 643 transitions. [2023-08-29 17:30:25,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.16666666666667) internal successors, (643), 6 states have internal predecessors, (643), 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) [2023-08-29 17:30:25,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-08-29 17:30:25,852 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-08-29 17:30:25,852 INFO L175 Difference]: Start difference. First operand has 66 places, 72 transitions, 264 flow. Second operand 6 states and 643 transitions. [2023-08-29 17:30:25,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 117 transitions, 562 flow [2023-08-29 17:30:25,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 117 transitions, 562 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:30:25,858 INFO L231 Difference]: Finished difference. Result has 76 places, 93 transitions, 448 flow [2023-08-29 17:30:25,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=448, PETRI_PLACES=76, PETRI_TRANSITIONS=93} [2023-08-29 17:30:25,859 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 18 predicate places. [2023-08-29 17:30:25,859 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 93 transitions, 448 flow [2023-08-29 17:30:25,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 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) [2023-08-29 17:30:25,860 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:25,860 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:25,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:30:25,860 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:25,861 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:25,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2060876684, now seen corresponding path program 1 times [2023-08-29 17:30:25,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:25,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990651811] [2023-08-29 17:30:25,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:25,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:26,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:26,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990651811] [2023-08-29 17:30:26,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990651811] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:26,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:26,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:26,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245559490] [2023-08-29 17:30:26,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:26,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:26,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:26,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:26,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:26,148 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 167 [2023-08-29 17:30:26,149 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 93 transitions, 448 flow. Second operand has 6 states, 6 states have (on average 87.66666666666667) internal successors, (526), 6 states have internal predecessors, (526), 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) [2023-08-29 17:30:26,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:26,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 167 [2023-08-29 17:30:26,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:26,363 INFO L130 PetriNetUnfolder]: 412/1061 cut-off events. [2023-08-29 17:30:26,363 INFO L131 PetriNetUnfolder]: For 666/678 co-relation queries the response was YES. [2023-08-29 17:30:26,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2796 conditions, 1061 events. 412/1061 cut-off events. For 666/678 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 5850 event pairs, 157 based on Foata normal form. 1/1013 useless extension candidates. Maximal degree in co-relation 2782. Up to 756 conditions per place. [2023-08-29 17:30:26,371 INFO L137 encePairwiseOnDemand]: 149/167 looper letters, 92 selfloop transitions, 65 changer transitions 0/172 dead transitions. [2023-08-29 17:30:26,371 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 172 transitions, 1050 flow [2023-08-29 17:30:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:26,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 618 transitions. [2023-08-29 17:30:26,374 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6167664670658682 [2023-08-29 17:30:26,374 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 618 transitions. [2023-08-29 17:30:26,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 618 transitions. [2023-08-29 17:30:26,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:26,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 618 transitions. [2023-08-29 17:30:26,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 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) [2023-08-29 17:30:26,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-08-29 17:30:26,396 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-08-29 17:30:26,397 INFO L175 Difference]: Start difference. First operand has 76 places, 93 transitions, 448 flow. Second operand 6 states and 618 transitions. [2023-08-29 17:30:26,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 172 transitions, 1050 flow [2023-08-29 17:30:26,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 172 transitions, 1050 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:30:26,408 INFO L231 Difference]: Finished difference. Result has 85 places, 152 transitions, 931 flow [2023-08-29 17:30:26,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=931, PETRI_PLACES=85, PETRI_TRANSITIONS=152} [2023-08-29 17:30:26,410 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 27 predicate places. [2023-08-29 17:30:26,410 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 152 transitions, 931 flow [2023-08-29 17:30:26,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.66666666666667) internal successors, (526), 6 states have internal predecessors, (526), 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) [2023-08-29 17:30:26,411 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:26,411 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:26,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:30:26,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:26,412 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:26,412 INFO L85 PathProgramCache]: Analyzing trace with hash 167828224, now seen corresponding path program 1 times [2023-08-29 17:30:26,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:26,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084843105] [2023-08-29 17:30:26,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:26,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:26,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:26,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084843105] [2023-08-29 17:30:26,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084843105] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:26,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:26,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:26,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480132910] [2023-08-29 17:30:26,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:26,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:26,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:26,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:26,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:26,764 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 167 [2023-08-29 17:30:26,766 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 152 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 86.5) internal successors, (519), 6 states have internal predecessors, (519), 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) [2023-08-29 17:30:26,766 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:26,766 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 167 [2023-08-29 17:30:26,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:27,012 INFO L130 PetriNetUnfolder]: 474/1184 cut-off events. [2023-08-29 17:30:27,013 INFO L131 PetriNetUnfolder]: For 1169/1182 co-relation queries the response was YES. [2023-08-29 17:30:27,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3780 conditions, 1184 events. 474/1184 cut-off events. For 1169/1182 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 6711 event pairs, 138 based on Foata normal form. 0/1132 useless extension candidates. Maximal degree in co-relation 3761. Up to 837 conditions per place. [2023-08-29 17:30:27,023 INFO L137 encePairwiseOnDemand]: 152/167 looper letters, 148 selfloop transitions, 64 changer transitions 0/227 dead transitions. [2023-08-29 17:30:27,023 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 227 transitions, 1722 flow [2023-08-29 17:30:27,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:27,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 601 transitions. [2023-08-29 17:30:27,026 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5998003992015968 [2023-08-29 17:30:27,026 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 601 transitions. [2023-08-29 17:30:27,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 601 transitions. [2023-08-29 17:30:27,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:27,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 601 transitions. [2023-08-29 17:30:27,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 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) [2023-08-29 17:30:27,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-08-29 17:30:27,030 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-08-29 17:30:27,030 INFO L175 Difference]: Start difference. First operand has 85 places, 152 transitions, 931 flow. Second operand 6 states and 601 transitions. [2023-08-29 17:30:27,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 227 transitions, 1722 flow [2023-08-29 17:30:27,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 227 transitions, 1658 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-08-29 17:30:27,047 INFO L231 Difference]: Finished difference. Result has 95 places, 202 transitions, 1469 flow [2023-08-29 17:30:27,047 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=867, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1469, PETRI_PLACES=95, PETRI_TRANSITIONS=202} [2023-08-29 17:30:27,049 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 37 predicate places. [2023-08-29 17:30:27,050 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 202 transitions, 1469 flow [2023-08-29 17:30:27,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.5) internal successors, (519), 6 states have internal predecessors, (519), 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) [2023-08-29 17:30:27,050 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:27,050 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:27,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:30:27,051 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:27,052 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:27,053 INFO L85 PathProgramCache]: Analyzing trace with hash -927555773, now seen corresponding path program 1 times [2023-08-29 17:30:27,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:27,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464169108] [2023-08-29 17:30:27,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:27,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:27,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:27,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464169108] [2023-08-29 17:30:27,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464169108] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:27,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:27,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 17:30:27,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265861597] [2023-08-29 17:30:27,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:27,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:30:27,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:27,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:30:27,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:30:27,144 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 167 [2023-08-29 17:30:27,145 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 202 transitions, 1469 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-08-29 17:30:27,145 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:27,145 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 167 [2023-08-29 17:30:27,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:27,189 INFO L130 PetriNetUnfolder]: 45/220 cut-off events. [2023-08-29 17:30:27,189 INFO L131 PetriNetUnfolder]: For 246/246 co-relation queries the response was YES. [2023-08-29 17:30:27,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 220 events. 45/220 cut-off events. For 246/246 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 701 event pairs, 6 based on Foata normal form. 9/216 useless extension candidates. Maximal degree in co-relation 666. Up to 67 conditions per place. [2023-08-29 17:30:27,191 INFO L137 encePairwiseOnDemand]: 163/167 looper letters, 16 selfloop transitions, 4 changer transitions 0/70 dead transitions. [2023-08-29 17:30:27,192 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 70 transitions, 400 flow [2023-08-29 17:30:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:30:27,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:30:27,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2023-08-29 17:30:27,195 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2023-08-29 17:30:27,195 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 334 transitions. [2023-08-29 17:30:27,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 334 transitions. [2023-08-29 17:30:27,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:27,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 334 transitions. [2023-08-29 17:30:27,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2023-08-29 17:30:27,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 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) [2023-08-29 17:30:27,198 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 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) [2023-08-29 17:30:27,198 INFO L175 Difference]: Start difference. First operand has 95 places, 202 transitions, 1469 flow. Second operand 3 states and 334 transitions. [2023-08-29 17:30:27,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 70 transitions, 400 flow [2023-08-29 17:30:27,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 70 transitions, 280 flow, removed 30 selfloop flow, removed 30 redundant places. [2023-08-29 17:30:27,204 INFO L231 Difference]: Finished difference. Result has 64 places, 68 transitions, 240 flow [2023-08-29 17:30:27,205 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=64, PETRI_TRANSITIONS=68} [2023-08-29 17:30:27,205 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 6 predicate places. [2023-08-29 17:30:27,205 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 68 transitions, 240 flow [2023-08-29 17:30:27,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-08-29 17:30:27,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:27,206 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:27,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:30:27,206 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:27,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:27,207 INFO L85 PathProgramCache]: Analyzing trace with hash 907784032, now seen corresponding path program 1 times [2023-08-29 17:30:27,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:27,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830000386] [2023-08-29 17:30:27,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:27,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:27,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830000386] [2023-08-29 17:30:27,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830000386] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:27,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:27,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:27,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6357320] [2023-08-29 17:30:27,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:27,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:27,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:27,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:27,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:27,595 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 167 [2023-08-29 17:30:27,596 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 68 transitions, 240 flow. Second operand has 6 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 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) [2023-08-29 17:30:27,596 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:27,596 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 167 [2023-08-29 17:30:27,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:27,724 INFO L130 PetriNetUnfolder]: 112/352 cut-off events. [2023-08-29 17:30:27,725 INFO L131 PetriNetUnfolder]: For 117/121 co-relation queries the response was YES. [2023-08-29 17:30:27,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 352 events. 112/352 cut-off events. For 117/121 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1388 event pairs, 15 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 919. Up to 189 conditions per place. [2023-08-29 17:30:27,727 INFO L137 encePairwiseOnDemand]: 157/167 looper letters, 60 selfloop transitions, 25 changer transitions 12/116 dead transitions. [2023-08-29 17:30:27,727 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 116 transitions, 619 flow [2023-08-29 17:30:27,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:27,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 636 transitions. [2023-08-29 17:30:27,729 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6347305389221557 [2023-08-29 17:30:27,729 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 636 transitions. [2023-08-29 17:30:27,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 636 transitions. [2023-08-29 17:30:27,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:27,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 636 transitions. [2023-08-29 17:30:27,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 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) [2023-08-29 17:30:27,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-08-29 17:30:27,733 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 167.0) internal successors, (1169), 7 states have internal predecessors, (1169), 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) [2023-08-29 17:30:27,733 INFO L175 Difference]: Start difference. First operand has 64 places, 68 transitions, 240 flow. Second operand 6 states and 636 transitions. [2023-08-29 17:30:27,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 116 transitions, 619 flow [2023-08-29 17:30:27,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 116 transitions, 607 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:30:27,736 INFO L231 Difference]: Finished difference. Result has 73 places, 88 transitions, 442 flow [2023-08-29 17:30:27,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=442, PETRI_PLACES=73, PETRI_TRANSITIONS=88} [2023-08-29 17:30:27,737 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 15 predicate places. [2023-08-29 17:30:27,737 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 88 transitions, 442 flow [2023-08-29 17:30:27,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 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) [2023-08-29 17:30:27,738 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:27,738 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:27,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:30:27,739 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:27,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:27,739 INFO L85 PathProgramCache]: Analyzing trace with hash -504326800, now seen corresponding path program 1 times [2023-08-29 17:30:27,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:27,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835891686] [2023-08-29 17:30:27,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:27,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:28,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:28,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:28,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835891686] [2023-08-29 17:30:28,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835891686] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:28,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:28,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:30:28,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059182424] [2023-08-29 17:30:28,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:28,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:30:28,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:28,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:30:28,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:30:28,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 167 [2023-08-29 17:30:28,338 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 88 transitions, 442 flow. Second operand has 9 states, 9 states have (on average 84.33333333333333) internal successors, (759), 9 states have internal predecessors, (759), 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) [2023-08-29 17:30:28,339 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:28,339 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 167 [2023-08-29 17:30:28,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:28,525 INFO L130 PetriNetUnfolder]: 123/380 cut-off events. [2023-08-29 17:30:28,525 INFO L131 PetriNetUnfolder]: For 312/312 co-relation queries the response was YES. [2023-08-29 17:30:28,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1253 conditions, 380 events. 123/380 cut-off events. For 312/312 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1474 event pairs, 50 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 1238. Up to 188 conditions per place. [2023-08-29 17:30:28,527 INFO L137 encePairwiseOnDemand]: 159/167 looper letters, 82 selfloop transitions, 28 changer transitions 8/130 dead transitions. [2023-08-29 17:30:28,527 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 130 transitions, 909 flow [2023-08-29 17:30:28,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:30:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:30:28,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 720 transitions. [2023-08-29 17:30:28,530 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5389221556886228 [2023-08-29 17:30:28,530 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 720 transitions. [2023-08-29 17:30:28,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 720 transitions. [2023-08-29 17:30:28,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:28,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 720 transitions. [2023-08-29 17:30:28,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 90.0) internal successors, (720), 8 states have internal predecessors, (720), 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) [2023-08-29 17:30:28,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 167.0) internal successors, (1503), 9 states have internal predecessors, (1503), 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) [2023-08-29 17:30:28,534 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 167.0) internal successors, (1503), 9 states have internal predecessors, (1503), 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) [2023-08-29 17:30:28,534 INFO L175 Difference]: Start difference. First operand has 73 places, 88 transitions, 442 flow. Second operand 8 states and 720 transitions. [2023-08-29 17:30:28,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 130 transitions, 909 flow [2023-08-29 17:30:28,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 130 transitions, 855 flow, removed 27 selfloop flow, removed 0 redundant places. [2023-08-29 17:30:28,540 INFO L231 Difference]: Finished difference. Result has 79 places, 86 transitions, 461 flow [2023-08-29 17:30:28,540 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=461, PETRI_PLACES=79, PETRI_TRANSITIONS=86} [2023-08-29 17:30:28,541 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 21 predicate places. [2023-08-29 17:30:28,541 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 86 transitions, 461 flow [2023-08-29 17:30:28,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 84.33333333333333) internal successors, (759), 9 states have internal predecessors, (759), 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) [2023-08-29 17:30:28,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:28,542 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:28,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:30:28,542 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:28,542 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:28,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1331380124, now seen corresponding path program 1 times [2023-08-29 17:30:28,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:28,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206058182] [2023-08-29 17:30:28,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:28,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:28,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:28,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206058182] [2023-08-29 17:30:28,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206058182] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:28,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:28,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:30:28,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960985297] [2023-08-29 17:30:28,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:28,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:30:28,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:28,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:30:28,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:30:29,285 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 167 [2023-08-29 17:30:29,286 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 86 transitions, 461 flow. Second operand has 9 states, 9 states have (on average 94.33333333333333) internal successors, (849), 9 states have internal predecessors, (849), 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) [2023-08-29 17:30:29,286 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:29,287 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 167 [2023-08-29 17:30:29,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:29,520 INFO L130 PetriNetUnfolder]: 152/460 cut-off events. [2023-08-29 17:30:29,520 INFO L131 PetriNetUnfolder]: For 470/470 co-relation queries the response was YES. [2023-08-29 17:30:29,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1595 conditions, 460 events. 152/460 cut-off events. For 470/470 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2055 event pairs, 5 based on Foata normal form. 10/469 useless extension candidates. Maximal degree in co-relation 1579. Up to 172 conditions per place. [2023-08-29 17:30:29,523 INFO L137 encePairwiseOnDemand]: 159/167 looper letters, 49 selfloop transitions, 2 changer transitions 102/171 dead transitions. [2023-08-29 17:30:29,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 171 transitions, 1270 flow [2023-08-29 17:30:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:30:29,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:30:29,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 911 transitions. [2023-08-29 17:30:29,526 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6061210911510313 [2023-08-29 17:30:29,526 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 911 transitions. [2023-08-29 17:30:29,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 911 transitions. [2023-08-29 17:30:29,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:29,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 911 transitions. [2023-08-29 17:30:29,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 101.22222222222223) internal successors, (911), 9 states have internal predecessors, (911), 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) [2023-08-29 17:30:29,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 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) [2023-08-29 17:30:29,531 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 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) [2023-08-29 17:30:29,531 INFO L175 Difference]: Start difference. First operand has 79 places, 86 transitions, 461 flow. Second operand 9 states and 911 transitions. [2023-08-29 17:30:29,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 171 transitions, 1270 flow [2023-08-29 17:30:29,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 171 transitions, 1142 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-08-29 17:30:29,537 INFO L231 Difference]: Finished difference. Result has 85 places, 66 transitions, 319 flow [2023-08-29 17:30:29,537 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=319, PETRI_PLACES=85, PETRI_TRANSITIONS=66} [2023-08-29 17:30:29,538 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 27 predicate places. [2023-08-29 17:30:29,538 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 66 transitions, 319 flow [2023-08-29 17:30:29,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 94.33333333333333) internal successors, (849), 9 states have internal predecessors, (849), 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) [2023-08-29 17:30:29,539 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:29,539 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:29,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:30:29,539 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:29,540 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:29,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1109627928, now seen corresponding path program 2 times [2023-08-29 17:30:29,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:29,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768329344] [2023-08-29 17:30:29,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:29,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:29,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:29,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:29,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768329344] [2023-08-29 17:30:29,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768329344] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:29,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:29,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:30:29,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009643993] [2023-08-29 17:30:29,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:29,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:30:29,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:29,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:30:29,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:30:30,270 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 167 [2023-08-29 17:30:30,271 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 66 transitions, 319 flow. Second operand has 9 states, 9 states have (on average 94.33333333333333) internal successors, (849), 9 states have internal predecessors, (849), 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) [2023-08-29 17:30:30,271 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:30,271 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 167 [2023-08-29 17:30:30,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:30,400 INFO L130 PetriNetUnfolder]: 54/211 cut-off events. [2023-08-29 17:30:30,400 INFO L131 PetriNetUnfolder]: For 259/259 co-relation queries the response was YES. [2023-08-29 17:30:30,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 211 events. 54/211 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 613 event pairs, 13 based on Foata normal form. 6/217 useless extension candidates. Maximal degree in co-relation 662. Up to 115 conditions per place. [2023-08-29 17:30:30,401 INFO L137 encePairwiseOnDemand]: 159/167 looper letters, 50 selfloop transitions, 9 changer transitions 14/91 dead transitions. [2023-08-29 17:30:30,402 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 91 transitions, 569 flow [2023-08-29 17:30:30,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:30:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:30:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 794 transitions. [2023-08-29 17:30:30,404 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.594311377245509 [2023-08-29 17:30:30,404 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 794 transitions. [2023-08-29 17:30:30,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 794 transitions. [2023-08-29 17:30:30,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:30,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 794 transitions. [2023-08-29 17:30:30,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 99.25) internal successors, (794), 8 states have internal predecessors, (794), 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) [2023-08-29 17:30:30,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 167.0) internal successors, (1503), 9 states have internal predecessors, (1503), 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) [2023-08-29 17:30:30,409 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 167.0) internal successors, (1503), 9 states have internal predecessors, (1503), 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) [2023-08-29 17:30:30,409 INFO L175 Difference]: Start difference. First operand has 85 places, 66 transitions, 319 flow. Second operand 8 states and 794 transitions. [2023-08-29 17:30:30,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 91 transitions, 569 flow [2023-08-29 17:30:30,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 91 transitions, 503 flow, removed 23 selfloop flow, removed 9 redundant places. [2023-08-29 17:30:30,412 INFO L231 Difference]: Finished difference. Result has 79 places, 66 transitions, 283 flow [2023-08-29 17:30:30,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=283, PETRI_PLACES=79, PETRI_TRANSITIONS=66} [2023-08-29 17:30:30,413 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 21 predicate places. [2023-08-29 17:30:30,413 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 66 transitions, 283 flow [2023-08-29 17:30:30,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 94.33333333333333) internal successors, (849), 9 states have internal predecessors, (849), 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) [2023-08-29 17:30:30,414 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:30,414 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:30,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:30:30,414 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:30,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:30,415 INFO L85 PathProgramCache]: Analyzing trace with hash 370881112, now seen corresponding path program 3 times [2023-08-29 17:30:30,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:30,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501658930] [2023-08-29 17:30:30,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:30,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:30,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:30,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:30,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501658930] [2023-08-29 17:30:30,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501658930] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:30,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:30,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:30:30,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27007277] [2023-08-29 17:30:30,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:30,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:30:30,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:30,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:30:30,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:30:31,128 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 167 [2023-08-29 17:30:31,129 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 66 transitions, 283 flow. Second operand has 9 states, 9 states have (on average 94.33333333333333) internal successors, (849), 9 states have internal predecessors, (849), 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) [2023-08-29 17:30:31,130 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:31,130 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 167 [2023-08-29 17:30:31,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:31,307 INFO L130 PetriNetUnfolder]: 75/270 cut-off events. [2023-08-29 17:30:31,307 INFO L131 PetriNetUnfolder]: For 278/278 co-relation queries the response was YES. [2023-08-29 17:30:31,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 270 events. 75/270 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 930 event pairs, 16 based on Foata normal form. 10/279 useless extension candidates. Maximal degree in co-relation 837. Up to 90 conditions per place. [2023-08-29 17:30:31,308 INFO L137 encePairwiseOnDemand]: 160/167 looper letters, 40 selfloop transitions, 3 changer transitions 63/124 dead transitions. [2023-08-29 17:30:31,308 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 124 transitions, 797 flow [2023-08-29 17:30:31,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:30:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:30:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 799 transitions. [2023-08-29 17:30:31,311 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5980538922155688 [2023-08-29 17:30:31,311 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 799 transitions. [2023-08-29 17:30:31,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 799 transitions. [2023-08-29 17:30:31,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:31,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 799 transitions. [2023-08-29 17:30:31,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 99.875) internal successors, (799), 8 states have internal predecessors, (799), 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) [2023-08-29 17:30:31,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 167.0) internal successors, (1503), 9 states have internal predecessors, (1503), 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) [2023-08-29 17:30:31,316 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 167.0) internal successors, (1503), 9 states have internal predecessors, (1503), 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) [2023-08-29 17:30:31,316 INFO L175 Difference]: Start difference. First operand has 79 places, 66 transitions, 283 flow. Second operand 8 states and 799 transitions. [2023-08-29 17:30:31,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 124 transitions, 797 flow [2023-08-29 17:30:31,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 124 transitions, 761 flow, removed 1 selfloop flow, removed 7 redundant places. [2023-08-29 17:30:31,319 INFO L231 Difference]: Finished difference. Result has 82 places, 60 transitions, 265 flow [2023-08-29 17:30:31,319 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=265, PETRI_PLACES=82, PETRI_TRANSITIONS=60} [2023-08-29 17:30:31,320 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 24 predicate places. [2023-08-29 17:30:31,320 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 60 transitions, 265 flow [2023-08-29 17:30:31,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 94.33333333333333) internal successors, (849), 9 states have internal predecessors, (849), 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) [2023-08-29 17:30:31,321 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:31,321 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:31,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 17:30:31,321 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:31,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:31,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1085178392, now seen corresponding path program 4 times [2023-08-29 17:30:31,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:31,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361964844] [2023-08-29 17:30:31,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:31,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:31,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:31,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:31,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361964844] [2023-08-29 17:30:31,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361964844] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:31,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:31,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:30:31,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405263462] [2023-08-29 17:30:31,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:31,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:30:31,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:31,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:30:31,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:30:32,001 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 167 [2023-08-29 17:30:32,002 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 60 transitions, 265 flow. Second operand has 9 states, 9 states have (on average 94.33333333333333) internal successors, (849), 9 states have internal predecessors, (849), 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) [2023-08-29 17:30:32,003 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:32,003 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 167 [2023-08-29 17:30:32,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:32,175 INFO L130 PetriNetUnfolder]: 40/171 cut-off events. [2023-08-29 17:30:32,176 INFO L131 PetriNetUnfolder]: For 233/233 co-relation queries the response was YES. [2023-08-29 17:30:32,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 171 events. 40/171 cut-off events. For 233/233 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 526 event pairs, 5 based on Foata normal form. 10/181 useless extension candidates. Maximal degree in co-relation 554. Up to 72 conditions per place. [2023-08-29 17:30:32,177 INFO L137 encePairwiseOnDemand]: 159/167 looper letters, 40 selfloop transitions, 8 changer transitions 33/99 dead transitions. [2023-08-29 17:30:32,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 99 transitions, 624 flow [2023-08-29 17:30:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:30:32,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:30:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 889 transitions. [2023-08-29 17:30:32,179 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5914836992681304 [2023-08-29 17:30:32,179 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 889 transitions. [2023-08-29 17:30:32,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 889 transitions. [2023-08-29 17:30:32,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:32,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 889 transitions. [2023-08-29 17:30:32,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 98.77777777777777) internal successors, (889), 9 states have internal predecessors, (889), 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) [2023-08-29 17:30:32,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 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) [2023-08-29 17:30:32,184 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 167.0) internal successors, (1670), 10 states have internal predecessors, (1670), 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) [2023-08-29 17:30:32,185 INFO L175 Difference]: Start difference. First operand has 82 places, 60 transitions, 265 flow. Second operand 9 states and 889 transitions. [2023-08-29 17:30:32,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 99 transitions, 624 flow [2023-08-29 17:30:32,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 99 transitions, 552 flow, removed 23 selfloop flow, removed 11 redundant places. [2023-08-29 17:30:32,187 INFO L231 Difference]: Finished difference. Result has 79 places, 60 transitions, 253 flow [2023-08-29 17:30:32,188 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=253, PETRI_PLACES=79, PETRI_TRANSITIONS=60} [2023-08-29 17:30:32,188 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 21 predicate places. [2023-08-29 17:30:32,188 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 60 transitions, 253 flow [2023-08-29 17:30:32,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 94.33333333333333) internal successors, (849), 9 states have internal predecessors, (849), 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) [2023-08-29 17:30:32,189 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:32,189 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:32,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 17:30:32,189 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 17:30:32,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:32,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1970713256, now seen corresponding path program 5 times [2023-08-29 17:30:32,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:32,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788998543] [2023-08-29 17:30:32,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:32,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:32,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:32,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788998543] [2023-08-29 17:30:32,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788998543] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:32,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:32,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:30:32,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963767232] [2023-08-29 17:30:32,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:32,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:30:32,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:32,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:30:32,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:30:32,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 167 [2023-08-29 17:30:32,893 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 60 transitions, 253 flow. Second operand has 9 states, 9 states have (on average 94.33333333333333) internal successors, (849), 9 states have internal predecessors, (849), 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) [2023-08-29 17:30:32,893 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:32,893 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 167 [2023-08-29 17:30:32,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:33,026 INFO L130 PetriNetUnfolder]: 22/107 cut-off events. [2023-08-29 17:30:33,026 INFO L131 PetriNetUnfolder]: For 113/113 co-relation queries the response was YES. [2023-08-29 17:30:33,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 107 events. 22/107 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 192 event pairs, 0 based on Foata normal form. 10/117 useless extension candidates. Maximal degree in co-relation 331. Up to 27 conditions per place. [2023-08-29 17:30:33,026 INFO L137 encePairwiseOnDemand]: 160/167 looper letters, 0 selfloop transitions, 0 changer transitions 85/85 dead transitions. [2023-08-29 17:30:33,026 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 85 transitions, 505 flow [2023-08-29 17:30:33,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:30:33,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:30:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 786 transitions. [2023-08-29 17:30:33,029 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5883233532934131 [2023-08-29 17:30:33,029 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 786 transitions. [2023-08-29 17:30:33,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 786 transitions. [2023-08-29 17:30:33,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:33,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 786 transitions. [2023-08-29 17:30:33,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 98.25) internal successors, (786), 8 states have internal predecessors, (786), 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) [2023-08-29 17:30:33,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 167.0) internal successors, (1503), 9 states have internal predecessors, (1503), 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) [2023-08-29 17:30:33,033 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 167.0) internal successors, (1503), 9 states have internal predecessors, (1503), 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) [2023-08-29 17:30:33,033 INFO L175 Difference]: Start difference. First operand has 79 places, 60 transitions, 253 flow. Second operand 8 states and 786 transitions. [2023-08-29 17:30:33,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 85 transitions, 505 flow [2023-08-29 17:30:33,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 85 transitions, 454 flow, removed 14 selfloop flow, removed 8 redundant places. [2023-08-29 17:30:33,036 INFO L231 Difference]: Finished difference. Result has 75 places, 0 transitions, 0 flow [2023-08-29 17:30:33,036 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=75, PETRI_TRANSITIONS=0} [2023-08-29 17:30:33,036 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 17 predicate places. [2023-08-29 17:30:33,037 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 0 transitions, 0 flow [2023-08-29 17:30:33,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 94.33333333333333) internal successors, (849), 9 states have internal predecessors, (849), 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) [2023-08-29 17:30:33,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2023-08-29 17:30:33,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2023-08-29 17:30:33,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2023-08-29 17:30:33,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2023-08-29 17:30:33,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2023-08-29 17:30:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2023-08-29 17:30:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-08-29 17:30:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2023-08-29 17:30:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2023-08-29 17:30:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2023-08-29 17:30:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2023-08-29 17:30:33,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2023-08-29 17:30:33,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2023-08-29 17:30:33,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2023-08-29 17:30:33,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2023-08-29 17:30:33,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 17:30:33,042 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:33,047 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:30:33,047 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:30:33,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:30:33 BasicIcfg [2023-08-29 17:30:33,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:30:33,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:30:33,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:30:33,054 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:30:33,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:30:21" (3/4) ... [2023-08-29 17:30:33,057 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 17:30:33,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 17:30:33,068 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-08-29 17:30:33,068 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 17:30:33,068 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 17:30:33,101 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 17:30:33,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:30:33,102 INFO L158 Benchmark]: Toolchain (without parser) took 12525.17ms. Allocated memory was 67.1MB in the beginning and 232.8MB in the end (delta: 165.7MB). Free memory was 37.5MB in the beginning and 120.1MB in the end (delta: -82.6MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,102 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:30:33,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.18ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 37.3MB in the beginning and 53.8MB in the end (delta: -16.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.43ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 51.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,103 INFO L158 Benchmark]: Boogie Preprocessor took 53.99ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,103 INFO L158 Benchmark]: RCFGBuilder took 499.15ms. Allocated memory is still 90.2MB. Free memory was 49.3MB in the beginning and 62.2MB in the end (delta: -12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,103 INFO L158 Benchmark]: TraceAbstraction took 11293.78ms. Allocated memory was 90.2MB in the beginning and 232.8MB in the end (delta: 142.6MB). Free memory was 61.2MB in the beginning and 123.2MB in the end (delta: -62.0MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,104 INFO L158 Benchmark]: Witness Printer took 47.18ms. Allocated memory is still 232.8MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.18ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 37.3MB in the beginning and 53.8MB in the end (delta: -16.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.43ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 51.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.99ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.15ms. Allocated memory is still 90.2MB. Free memory was 49.3MB in the beginning and 62.2MB in the end (delta: -12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11293.78ms. Allocated memory was 90.2MB in the beginning and 232.8MB in the end (delta: 142.6MB). Free memory was 61.2MB in the beginning and 123.2MB in the end (delta: -62.0MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. * Witness Printer took 47.18ms. Allocated memory is still 232.8MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 109 PlacesBefore, 58 PlacesAfterwards, 105 TransitionsBefore, 54 TransitionsAfterwards, 2304 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 54 TotalNumberOfCompositions, 17825 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4509, independent: 3851, independent conditional: 0, independent unconditional: 3851, dependent: 658, dependent conditional: 0, dependent unconditional: 658, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 871, independent: 793, independent conditional: 0, independent unconditional: 793, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4509, independent: 3058, independent conditional: 0, independent unconditional: 3058, dependent: 580, dependent conditional: 0, dependent unconditional: 580, unknown: 871, unknown conditional: 0, unknown unconditional: 871] , Statistics on independence cache: Total cache size (in pairs): 294, Positive cache size: 237, Positive conditional cache size: 0, Positive unconditional cache size: 237, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 935]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 148 locations, 15 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: 11.1s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1865 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1324 mSDsluCounter, 231 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 204 mSDsCounter, 581 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5268 IncrementalHoareTripleChecker+Invalid, 5849 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 581 mSolverCounterUnsat, 27 mSDtfsCounter, 5268 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1469occurred in iteration=6, InterpolantAutomatonStates: 88, 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, 3.5s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 3024 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 17:30:33,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE