./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-ext/39_rand_lock_p0_vs-b.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/pthread-ext/39_rand_lock_p0_vs-b.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 963fe2b49296fadf7c892a862a5472be95dcc4e457bf5d1be114d7bd124d5424 --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 09:35:24,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:35:24,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:35:24,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:35:24,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:35:24,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:35:24,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:35:24,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:35:24,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:35:24,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:35:24,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:35:24,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:35:24,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:35:24,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:35:24,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:35:24,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:35:24,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:35:24,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:35:24,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:35:24,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:35:24,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:35:24,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:35:24,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:35:24,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:35:24,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:35:24,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:35:24,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:35:24,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:35:24,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:35:24,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:35:24,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:35:24,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:35:24,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:35:24,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:35:24,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:35:24,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:35:24,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:35:24,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:35:24,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:35:24,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:35:24,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:35:24,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:35:24,266 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:35:24,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:35:24,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:35:24,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:35:24,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:35:24,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:35:24,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:35:24,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:35:24,267 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:35:24,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:35:24,268 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:35:24,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:35:24,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:35:24,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:35:24,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:35:24,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:35:24,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:35:24,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:35:24,269 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:35:24,269 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:35:24,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:35:24,269 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:35:24,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:35:24,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:35:24,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:35:24,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:35:24,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:35:24,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:35:24,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:35:24,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:35:24,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:35:24,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:35:24,272 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:35:24,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:35:24,272 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:35:24,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:35:24,272 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:35:24,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 963fe2b49296fadf7c892a862a5472be95dcc4e457bf5d1be114d7bd124d5424 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 09:35:24,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:35:24,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:35:24,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:35:24,575 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:35:24,575 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:35:24,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/39_rand_lock_p0_vs-b.i [2023-08-29 09:35:25,660 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:35:25,902 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:35:25,903 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/39_rand_lock_p0_vs-b.i [2023-08-29 09:35:25,916 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2eb53534/94e31565d9b54a31a48b1d6c9827875a/FLAG37d0c5019 [2023-08-29 09:35:25,927 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2eb53534/94e31565d9b54a31a48b1d6c9827875a [2023-08-29 09:35:25,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:35:25,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:35:25,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:35:25,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:35:25,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:35:25,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:35:25" (1/1) ... [2023-08-29 09:35:25,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317c195f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:25, skipping insertion in model container [2023-08-29 09:35:25,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:35:25" (1/1) ... [2023-08-29 09:35:25,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:35:25,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:35:26,227 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/39_rand_lock_p0_vs-b.i[30403,30416] [2023-08-29 09:35:26,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:35:26,244 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:35:26,292 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/39_rand_lock_p0_vs-b.i[30403,30416] [2023-08-29 09:35:26,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:35:26,340 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:35:26,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26 WrapperNode [2023-08-29 09:35:26,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:35:26,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:35:26,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:35:26,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:35:26,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (1/1) ... [2023-08-29 09:35:26,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (1/1) ... [2023-08-29 09:35:26,391 INFO L138 Inliner]: procedures = 172, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2023-08-29 09:35:26,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:35:26,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:35:26,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:35:26,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:35:26,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (1/1) ... [2023-08-29 09:35:26,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (1/1) ... [2023-08-29 09:35:26,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (1/1) ... [2023-08-29 09:35:26,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (1/1) ... [2023-08-29 09:35:26,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (1/1) ... [2023-08-29 09:35:26,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (1/1) ... [2023-08-29 09:35:26,429 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (1/1) ... [2023-08-29 09:35:26,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (1/1) ... [2023-08-29 09:35:26,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:35:26,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:35:26,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:35:26,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:35:26,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (1/1) ... [2023-08-29 09:35:26,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:35:26,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:35:26,469 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 09:35:26,500 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 09:35:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-29 09:35:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-29 09:35:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:35:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:35:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:35:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:35:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:35:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:35:26,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:35:26,521 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 09:35:26,678 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:35:26,679 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:35:26,906 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:35:26,988 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:35:26,995 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 09:35:26,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:35:26 BoogieIcfgContainer [2023-08-29 09:35:26,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:35:27,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:35:27,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:35:27,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:35:27,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:35:25" (1/3) ... [2023-08-29 09:35:27,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6135851c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:35:27, skipping insertion in model container [2023-08-29 09:35:27,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:35:26" (2/3) ... [2023-08-29 09:35:27,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6135851c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:35:27, skipping insertion in model container [2023-08-29 09:35:27,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:35:26" (3/3) ... [2023-08-29 09:35:27,007 INFO L112 eAbstractionObserver]: Analyzing ICFG 39_rand_lock_p0_vs-b.i [2023-08-29 09:35:27,014 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:35:27,022 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:35:27,022 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-08-29 09:35:27,022 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:35:27,083 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:35:27,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 78 places, 79 transitions, 163 flow [2023-08-29 09:35:27,168 INFO L130 PetriNetUnfolder]: 5/89 cut-off events. [2023-08-29 09:35:27,169 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:35:27,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 89 events. 5/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 65. Up to 4 conditions per place. [2023-08-29 09:35:27,174 INFO L82 GeneralOperation]: Start removeDead. Operand has 78 places, 79 transitions, 163 flow [2023-08-29 09:35:27,178 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 79 transitions, 163 flow [2023-08-29 09:35:27,181 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:35:27,214 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 79 transitions, 163 flow [2023-08-29 09:35:27,217 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 79 transitions, 163 flow [2023-08-29 09:35:27,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 78 places, 79 transitions, 163 flow [2023-08-29 09:35:27,245 INFO L130 PetriNetUnfolder]: 5/89 cut-off events. [2023-08-29 09:35:27,245 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:35:27,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 89 events. 5/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 65. Up to 4 conditions per place. [2023-08-29 09:35:27,249 INFO L119 LiptonReduction]: Number of co-enabled transitions 1378 [2023-08-29 09:35:29,090 INFO L134 LiptonReduction]: Checked pairs total: 1247 [2023-08-29 09:35:29,090 INFO L136 LiptonReduction]: Total number of compositions: 85 [2023-08-29 09:35:29,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:35:29,107 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;@2370faac, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:35:29,108 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-08-29 09:35:29,110 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2023-08-29 09:35:29,110 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:35:29,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:35:29,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:35:29,112 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-08-29 09:35:29,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:35:29,116 INFO L85 PathProgramCache]: Analyzing trace with hash 12427968, now seen corresponding path program 1 times [2023-08-29 09:35:29,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:35:29,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005531214] [2023-08-29 09:35:29,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:35:29,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:35:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:35:29,256 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 09:35:29,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:35:29,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005531214] [2023-08-29 09:35:29,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005531214] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:35:29,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:35:29,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:35:29,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090998171] [2023-08-29 09:35:29,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:35:29,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:35:29,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:35:29,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:35:29,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:35:29,323 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 164 [2023-08-29 09:35:29,324 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 16 transitions, 37 flow. Second operand has 2 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 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 09:35:29,325 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:35:29,325 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 164 [2023-08-29 09:35:29,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:35:29,371 INFO L130 PetriNetUnfolder]: 7/19 cut-off events. [2023-08-29 09:35:29,372 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:35:29,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 19 events. 7/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 23 event pairs, 4 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 30. Up to 19 conditions per place. [2023-08-29 09:35:29,373 INFO L137 encePairwiseOnDemand]: 156/164 looper letters, 7 selfloop transitions, 0 changer transitions 0/8 dead transitions. [2023-08-29 09:35:29,378 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 11 places, 8 transitions, 35 flow [2023-08-29 09:35:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:35:29,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:35:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 149 transitions. [2023-08-29 09:35:29,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45426829268292684 [2023-08-29 09:35:29,390 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 149 transitions. [2023-08-29 09:35:29,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 149 transitions. [2023-08-29 09:35:29,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:35:29,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 149 transitions. [2023-08-29 09:35:29,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 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 09:35:29,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 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 09:35:29,400 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 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 09:35:29,402 INFO L175 Difference]: Start difference. First operand has 18 places, 16 transitions, 37 flow. Second operand 2 states and 149 transitions. [2023-08-29 09:35:29,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 11 places, 8 transitions, 35 flow [2023-08-29 09:35:29,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 8 transitions, 35 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:35:29,405 INFO L231 Difference]: Finished difference. Result has 11 places, 8 transitions, 21 flow [2023-08-29 09:35:29,407 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=21, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=21, PETRI_PLACES=11, PETRI_TRANSITIONS=8} [2023-08-29 09:35:29,410 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, -7 predicate places. [2023-08-29 09:35:29,410 INFO L495 AbstractCegarLoop]: Abstraction has has 11 places, 8 transitions, 21 flow [2023-08-29 09:35:29,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 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 09:35:29,410 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:35:29,411 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-08-29 09:35:29,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 09:35:29,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-08-29 09:35:29,412 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:35:29,412 INFO L85 PathProgramCache]: Analyzing trace with hash -941662928, now seen corresponding path program 1 times [2023-08-29 09:35:29,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:35:29,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131530846] [2023-08-29 09:35:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:35:29,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:35:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:35:29,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:35:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:35:29,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:35:29,458 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:35:29,459 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 15 remaining) [2023-08-29 09:35:29,461 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2023-08-29 09:35:29,461 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2023-08-29 09:35:29,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2023-08-29 09:35:29,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2023-08-29 09:35:29,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2023-08-29 09:35:29,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 15 remaining) [2023-08-29 09:35:29,463 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2023-08-29 09:35:29,463 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2023-08-29 09:35:29,463 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2023-08-29 09:35:29,463 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2023-08-29 09:35:29,464 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2023-08-29 09:35:29,464 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2023-08-29 09:35:29,464 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2023-08-29 09:35:29,464 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2023-08-29 09:35:29,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 09:35:29,465 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-29 09:35:29,467 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:35:29,467 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-08-29 09:35:29,495 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:35:29,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 133 transitions, 278 flow [2023-08-29 09:35:29,550 INFO L130 PetriNetUnfolder]: 9/155 cut-off events. [2023-08-29 09:35:29,550 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:35:29,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 155 events. 9/155 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 284 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 118. Up to 6 conditions per place. [2023-08-29 09:35:29,554 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 133 transitions, 278 flow [2023-08-29 09:35:29,556 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 133 transitions, 278 flow [2023-08-29 09:35:29,556 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:35:29,556 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 133 transitions, 278 flow [2023-08-29 09:35:29,557 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 133 transitions, 278 flow [2023-08-29 09:35:29,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 133 transitions, 278 flow [2023-08-29 09:35:29,584 INFO L130 PetriNetUnfolder]: 9/155 cut-off events. [2023-08-29 09:35:29,585 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:35:29,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 155 events. 9/155 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 284 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 118. Up to 6 conditions per place. [2023-08-29 09:35:29,591 INFO L119 LiptonReduction]: Number of co-enabled transitions 8480 [2023-08-29 09:35:31,211 INFO L134 LiptonReduction]: Checked pairs total: 16675 [2023-08-29 09:35:31,211 INFO L136 LiptonReduction]: Total number of compositions: 108 [2023-08-29 09:35:31,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:35:31,214 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;@2370faac, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:35:31,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-08-29 09:35:31,215 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2023-08-29 09:35:31,215 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:35:31,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:35:31,215 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 09:35:31,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 09:35:31,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:35:31,216 INFO L85 PathProgramCache]: Analyzing trace with hash 680915005, now seen corresponding path program 1 times [2023-08-29 09:35:31,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:35:31,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766230812] [2023-08-29 09:35:31,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:35:31,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:35:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:35:31,277 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 09:35:31,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:35:31,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766230812] [2023-08-29 09:35:31,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766230812] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:35:31,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:35:31,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:35:31,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609755645] [2023-08-29 09:35:31,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:35:31,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:35:31,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:35:31,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:35:31,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:35:31,304 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 241 [2023-08-29 09:35:31,304 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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 09:35:31,305 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:35:31,305 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 241 [2023-08-29 09:35:31,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:35:31,440 INFO L130 PetriNetUnfolder]: 564/1020 cut-off events. [2023-08-29 09:35:31,440 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2023-08-29 09:35:31,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2029 conditions, 1020 events. 564/1020 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 5571 event pairs, 208 based on Foata normal form. 0/931 useless extension candidates. Maximal degree in co-relation 1568. Up to 632 conditions per place. [2023-08-29 09:35:31,447 INFO L137 encePairwiseOnDemand]: 217/241 looper letters, 46 selfloop transitions, 10 changer transitions 0/62 dead transitions. [2023-08-29 09:35:31,447 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 62 transitions, 253 flow [2023-08-29 09:35:31,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:35:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:35:31,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2023-08-29 09:35:31,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5131396957123098 [2023-08-29 09:35:31,453 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 371 transitions. [2023-08-29 09:35:31,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 371 transitions. [2023-08-29 09:35:31,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:35:31,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 371 transitions. [2023-08-29 09:35:31,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 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 09:35:31,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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 09:35:31,461 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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 09:35:31,461 INFO L175 Difference]: Start difference. First operand has 49 places, 47 transitions, 106 flow. Second operand 3 states and 371 transitions. [2023-08-29 09:35:31,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 62 transitions, 253 flow [2023-08-29 09:35:31,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 62 transitions, 251 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-29 09:35:31,464 INFO L231 Difference]: Finished difference. Result has 44 places, 47 transitions, 172 flow [2023-08-29 09:35:31,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=44, PETRI_TRANSITIONS=47} [2023-08-29 09:35:31,465 INFO L281 CegarLoopForPetriNet]: 49 programPoint places, -5 predicate places. [2023-08-29 09:35:31,465 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 47 transitions, 172 flow [2023-08-29 09:35:31,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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 09:35:31,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:35:31,466 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-08-29 09:35:31,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 09:35:31,466 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 09:35:31,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:35:31,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1005418328, now seen corresponding path program 1 times [2023-08-29 09:35:31,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:35:31,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418660139] [2023-08-29 09:35:31,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:35:31,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:35:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:35:31,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:35:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:35:31,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:35:31,519 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:35:31,519 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining) [2023-08-29 09:35:31,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2023-08-29 09:35:31,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2023-08-29 09:35:31,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2023-08-29 09:35:31,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2023-08-29 09:35:31,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2023-08-29 09:35:31,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2023-08-29 09:35:31,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2023-08-29 09:35:31,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2023-08-29 09:35:31,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2023-08-29 09:35:31,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2023-08-29 09:35:31,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2023-08-29 09:35:31,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2023-08-29 09:35:31,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2023-08-29 09:35:31,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2023-08-29 09:35:31,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2023-08-29 09:35:31,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2023-08-29 09:35:31,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2023-08-29 09:35:31,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2023-08-29 09:35:31,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2023-08-29 09:35:31,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2023-08-29 09:35:31,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2023-08-29 09:35:31,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 09:35:31,524 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-29 09:35:31,525 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:35:31,525 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-08-29 09:35:31,549 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:35:31,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 184 places, 187 transitions, 395 flow [2023-08-29 09:35:31,583 INFO L130 PetriNetUnfolder]: 13/221 cut-off events. [2023-08-29 09:35:31,584 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 09:35:31,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 221 events. 13/221 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 582 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 171. Up to 8 conditions per place. [2023-08-29 09:35:31,586 INFO L82 GeneralOperation]: Start removeDead. Operand has 184 places, 187 transitions, 395 flow [2023-08-29 09:35:31,588 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 184 places, 187 transitions, 395 flow [2023-08-29 09:35:31,588 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:35:31,588 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 187 transitions, 395 flow [2023-08-29 09:35:31,588 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 187 transitions, 395 flow [2023-08-29 09:35:31,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 184 places, 187 transitions, 395 flow [2023-08-29 09:35:31,611 INFO L130 PetriNetUnfolder]: 13/221 cut-off events. [2023-08-29 09:35:31,611 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 09:35:31,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 221 events. 13/221 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 582 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 171. Up to 8 conditions per place. [2023-08-29 09:35:31,623 INFO L119 LiptonReduction]: Number of co-enabled transitions 21306 [2023-08-29 09:35:33,871 INFO L134 LiptonReduction]: Checked pairs total: 45498 [2023-08-29 09:35:33,871 INFO L136 LiptonReduction]: Total number of compositions: 153 [2023-08-29 09:35:33,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:35:33,874 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;@2370faac, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:35:33,874 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2023-08-29 09:35:33,875 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2023-08-29 09:35:33,876 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:35:33,876 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:35:33,876 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 09:35:33,876 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-08-29 09:35:33,876 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:35:33,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1051116525, now seen corresponding path program 1 times [2023-08-29 09:35:33,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:35:33,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083923991] [2023-08-29 09:35:33,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:35:33,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:35:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:35:33,901 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 09:35:33,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:35:33,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083923991] [2023-08-29 09:35:33,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083923991] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:35:33,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:35:33,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:35:33,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760082544] [2023-08-29 09:35:33,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:35:33,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:35:33,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:35:33,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:35:33,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:35:33,929 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 340 [2023-08-29 09:35:33,930 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 67 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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 09:35:33,930 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:35:33,931 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 340 [2023-08-29 09:35:33,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:35:35,495 INFO L130 PetriNetUnfolder]: 11854/18253 cut-off events. [2023-08-29 09:35:35,495 INFO L131 PetriNetUnfolder]: For 1108/1108 co-relation queries the response was YES. [2023-08-29 09:35:35,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36201 conditions, 18253 events. 11854/18253 cut-off events. For 1108/1108 co-relation queries the response was YES. Maximal size of possible extension queue 857. Compared 131117 event pairs, 4912 based on Foata normal form. 0/15934 useless extension candidates. Maximal degree in co-relation 23874. Up to 11234 conditions per place. [2023-08-29 09:35:35,659 INFO L137 encePairwiseOnDemand]: 305/340 looper letters, 65 selfloop transitions, 15 changer transitions 0/89 dead transitions. [2023-08-29 09:35:35,659 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 89 transitions, 371 flow [2023-08-29 09:35:35,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:35:35,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:35:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 516 transitions. [2023-08-29 09:35:35,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5058823529411764 [2023-08-29 09:35:35,661 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 516 transitions. [2023-08-29 09:35:35,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 516 transitions. [2023-08-29 09:35:35,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:35:35,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 516 transitions. [2023-08-29 09:35:35,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 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 09:35:35,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 340.0) internal successors, (1360), 4 states have internal predecessors, (1360), 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 09:35:35,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 340.0) internal successors, (1360), 4 states have internal predecessors, (1360), 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 09:35:35,667 INFO L175 Difference]: Start difference. First operand has 70 places, 67 transitions, 155 flow. Second operand 3 states and 516 transitions. [2023-08-29 09:35:35,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 89 transitions, 371 flow [2023-08-29 09:35:35,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 89 transitions, 363 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-08-29 09:35:35,674 INFO L231 Difference]: Finished difference. Result has 61 places, 68 transitions, 253 flow [2023-08-29 09:35:35,674 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=61, PETRI_TRANSITIONS=68} [2023-08-29 09:35:35,676 INFO L281 CegarLoopForPetriNet]: 70 programPoint places, -9 predicate places. [2023-08-29 09:35:35,679 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 68 transitions, 253 flow [2023-08-29 09:35:35,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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 09:35:35,679 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:35:35,679 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:35:35,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 09:35:35,681 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-08-29 09:35:35,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:35:35,684 INFO L85 PathProgramCache]: Analyzing trace with hash 361795387, now seen corresponding path program 1 times [2023-08-29 09:35:35,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:35:35,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128002075] [2023-08-29 09:35:35,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:35:35,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:35:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:35:35,747 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 09:35:35,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:35:35,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128002075] [2023-08-29 09:35:35,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128002075] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:35:35,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:35:35,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:35:35,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437598911] [2023-08-29 09:35:35,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:35:35,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:35:35,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:35:35,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:35:35,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:35:35,796 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 340 [2023-08-29 09:35:35,797 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 68 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 09:35:35,798 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:35:35,798 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 340 [2023-08-29 09:35:35,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:35:37,474 INFO L130 PetriNetUnfolder]: 12719/20088 cut-off events. [2023-08-29 09:35:37,475 INFO L131 PetriNetUnfolder]: For 5544/5550 co-relation queries the response was YES. [2023-08-29 09:35:37,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46541 conditions, 20088 events. 12719/20088 cut-off events. For 5544/5550 co-relation queries the response was YES. Maximal size of possible extension queue 911. Compared 150332 event pairs, 7078 based on Foata normal form. 0/17642 useless extension candidates. Maximal degree in co-relation 31822. Up to 14469 conditions per place. [2023-08-29 09:35:37,621 INFO L137 encePairwiseOnDemand]: 330/340 looper letters, 57 selfloop transitions, 16 changer transitions 0/98 dead transitions. [2023-08-29 09:35:37,621 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 98 transitions, 505 flow [2023-08-29 09:35:37,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:35:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:35:37,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2023-08-29 09:35:37,623 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4725490196078431 [2023-08-29 09:35:37,623 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 482 transitions. [2023-08-29 09:35:37,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 482 transitions. [2023-08-29 09:35:37,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:35:37,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 482 transitions. [2023-08-29 09:35:37,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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 09:35:37,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 340.0) internal successors, (1360), 4 states have internal predecessors, (1360), 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 09:35:37,628 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 340.0) internal successors, (1360), 4 states have internal predecessors, (1360), 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 09:35:37,628 INFO L175 Difference]: Start difference. First operand has 61 places, 68 transitions, 253 flow. Second operand 3 states and 482 transitions. [2023-08-29 09:35:37,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 98 transitions, 505 flow [2023-08-29 09:35:37,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 98 transitions, 463 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:35:37,714 INFO L231 Difference]: Finished difference. Result has 63 places, 82 transitions, 369 flow [2023-08-29 09:35:37,715 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=369, PETRI_PLACES=63, PETRI_TRANSITIONS=82} [2023-08-29 09:35:37,716 INFO L281 CegarLoopForPetriNet]: 70 programPoint places, -7 predicate places. [2023-08-29 09:35:37,716 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 82 transitions, 369 flow [2023-08-29 09:35:37,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 09:35:37,717 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:35:37,720 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2023-08-29 09:35:37,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 09:35:37,720 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-08-29 09:35:37,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:35:37,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1776278831, now seen corresponding path program 1 times [2023-08-29 09:35:37,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:35:37,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007264255] [2023-08-29 09:35:37,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:35:37,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:35:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:35:37,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:35:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:35:37,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:35:37,771 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:35:37,771 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 29 remaining) [2023-08-29 09:35:37,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2023-08-29 09:35:37,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2023-08-29 09:35:37,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2023-08-29 09:35:37,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining) [2023-08-29 09:35:37,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2023-08-29 09:35:37,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining) [2023-08-29 09:35:37,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2023-08-29 09:35:37,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2023-08-29 09:35:37,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2023-08-29 09:35:37,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2023-08-29 09:35:37,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2023-08-29 09:35:37,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining) [2023-08-29 09:35:37,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2023-08-29 09:35:37,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2023-08-29 09:35:37,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining) [2023-08-29 09:35:37,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining) [2023-08-29 09:35:37,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (11 of 29 remaining) [2023-08-29 09:35:37,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 29 remaining) [2023-08-29 09:35:37,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining) [2023-08-29 09:35:37,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining) [2023-08-29 09:35:37,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2023-08-29 09:35:37,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2023-08-29 09:35:37,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2023-08-29 09:35:37,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2023-08-29 09:35:37,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2023-08-29 09:35:37,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2023-08-29 09:35:37,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2023-08-29 09:35:37,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2023-08-29 09:35:37,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 09:35:37,843 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-29 09:35:37,844 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:35:37,844 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-08-29 09:35:37,879 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:35:37,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 241 transitions, 514 flow [2023-08-29 09:35:37,927 INFO L130 PetriNetUnfolder]: 17/287 cut-off events. [2023-08-29 09:35:37,928 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 09:35:37,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 287 events. 17/287 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 910 event pairs, 0 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 229. Up to 10 conditions per place. [2023-08-29 09:35:37,932 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 241 transitions, 514 flow [2023-08-29 09:35:37,935 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 237 places, 241 transitions, 514 flow [2023-08-29 09:35:37,935 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:35:37,935 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 241 transitions, 514 flow [2023-08-29 09:35:37,935 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 241 transitions, 514 flow [2023-08-29 09:35:37,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 241 transitions, 514 flow [2023-08-29 09:35:37,973 INFO L130 PetriNetUnfolder]: 17/287 cut-off events. [2023-08-29 09:35:37,973 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 09:35:37,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 287 events. 17/287 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 910 event pairs, 0 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 229. Up to 10 conditions per place. [2023-08-29 09:35:37,992 INFO L119 LiptonReduction]: Number of co-enabled transitions 39856 [2023-08-29 09:35:40,767 INFO L134 LiptonReduction]: Checked pairs total: 83370 [2023-08-29 09:35:40,767 INFO L136 LiptonReduction]: Total number of compositions: 194 [2023-08-29 09:35:40,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:35:40,776 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;@2370faac, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:35:40,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-08-29 09:35:40,778 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-29 09:35:40,778 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:35:40,779 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:35:40,779 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 09:35:40,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-29 09:35:40,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:35:40,779 INFO L85 PathProgramCache]: Analyzing trace with hash 49001343, now seen corresponding path program 1 times [2023-08-29 09:35:40,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:35:40,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294602742] [2023-08-29 09:35:40,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:35:40,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:35:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:35:40,802 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 09:35:40,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:35:40,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294602742] [2023-08-29 09:35:40,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294602742] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:35:40,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:35:40,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:35:40,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155551873] [2023-08-29 09:35:40,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:35:40,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:35:40,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:35:40,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:35:40,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:35:40,806 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 435 [2023-08-29 09:35:40,806 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 89 transitions, 210 flow. Second operand has 2 states, 2 states have (on average 201.0) internal successors, (402), 2 states have internal predecessors, (402), 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 09:35:40,806 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:35:40,806 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 435 [2023-08-29 09:35:40,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:35:43,591 INFO L130 PetriNetUnfolder]: 24543/36455 cut-off events. [2023-08-29 09:35:43,592 INFO L131 PetriNetUnfolder]: For 4858/4858 co-relation queries the response was YES. [2023-08-29 09:35:43,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70843 conditions, 36455 events. 24543/36455 cut-off events. For 4858/4858 co-relation queries the response was YES. Maximal size of possible extension queue 1139. Compared 259875 event pairs, 20829 based on Foata normal form. 2034/33286 useless extension candidates. Maximal degree in co-relation 8065. Up to 31728 conditions per place. [2023-08-29 09:35:43,830 INFO L137 encePairwiseOnDemand]: 415/435 looper letters, 36 selfloop transitions, 0 changer transitions 0/69 dead transitions. [2023-08-29 09:35:43,830 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 69 transitions, 242 flow [2023-08-29 09:35:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:35:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:35:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 454 transitions. [2023-08-29 09:35:43,832 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5218390804597701 [2023-08-29 09:35:43,833 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 454 transitions. [2023-08-29 09:35:43,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 454 transitions. [2023-08-29 09:35:43,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:35:43,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 454 transitions. [2023-08-29 09:35:43,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 227.0) internal successors, (454), 2 states have internal predecessors, (454), 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 09:35:43,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 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 09:35:43,837 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 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 09:35:43,837 INFO L175 Difference]: Start difference. First operand has 91 places, 89 transitions, 210 flow. Second operand 2 states and 454 transitions. [2023-08-29 09:35:43,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 69 transitions, 242 flow [2023-08-29 09:35:43,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 69 transitions, 230 flow, removed 6 selfloop flow, removed 0 redundant places. [2023-08-29 09:35:43,842 INFO L231 Difference]: Finished difference. Result has 75 places, 69 transitions, 158 flow [2023-08-29 09:35:43,842 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=158, PETRI_PLACES=75, PETRI_TRANSITIONS=69} [2023-08-29 09:35:43,844 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -16 predicate places. [2023-08-29 09:35:43,844 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 69 transitions, 158 flow [2023-08-29 09:35:43,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 201.0) internal successors, (402), 2 states have internal predecessors, (402), 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 09:35:43,844 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:35:43,844 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 09:35:43,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 09:35:43,845 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-29 09:35:43,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:35:43,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1519042659, now seen corresponding path program 1 times [2023-08-29 09:35:43,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:35:43,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383239306] [2023-08-29 09:35:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:35:43,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:35:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:35:43,875 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 09:35:43,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:35:43,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383239306] [2023-08-29 09:35:43,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383239306] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:35:43,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:35:43,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:35:43,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726581289] [2023-08-29 09:35:43,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:35:43,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:35:43,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:35:43,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:35:43,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:35:43,913 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 435 [2023-08-29 09:35:43,914 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 69 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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 09:35:43,914 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:35:43,914 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 435 [2023-08-29 09:35:43,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:36:05,487 INFO L130 PetriNetUnfolder]: 259778/355536 cut-off events. [2023-08-29 09:36:05,487 INFO L131 PetriNetUnfolder]: For 8327/8327 co-relation queries the response was YES. [2023-08-29 09:36:06,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 707088 conditions, 355536 events. 259778/355536 cut-off events. For 8327/8327 co-relation queries the response was YES. Maximal size of possible extension queue 11494. Compared 2808495 event pairs, 104209 based on Foata normal form. 0/311407 useless extension candidates. Maximal degree in co-relation 707081. Up to 208071 conditions per place. [2023-08-29 09:36:07,889 INFO L137 encePairwiseOnDemand]: 407/435 looper letters, 86 selfloop transitions, 20 changer transitions 0/117 dead transitions. [2023-08-29 09:36:07,889 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 117 transitions, 481 flow [2023-08-29 09:36:07,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:36:07,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:36:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2023-08-29 09:36:07,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4804597701149425 [2023-08-29 09:36:07,892 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2023-08-29 09:36:07,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2023-08-29 09:36:07,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:36:07,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2023-08-29 09:36:07,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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 09:36:07,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 09:36:07,897 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 09:36:07,898 INFO L175 Difference]: Start difference. First operand has 75 places, 69 transitions, 158 flow. Second operand 3 states and 627 transitions. [2023-08-29 09:36:07,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 117 transitions, 481 flow [2023-08-29 09:36:07,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 117 transitions, 481 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:36:07,905 INFO L231 Difference]: Finished difference. Result has 79 places, 89 transitions, 334 flow [2023-08-29 09:36:07,905 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=79, PETRI_TRANSITIONS=89} [2023-08-29 09:36:07,905 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -12 predicate places. [2023-08-29 09:36:07,906 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 89 transitions, 334 flow [2023-08-29 09:36:07,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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 09:36:07,906 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:36:07,906 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:36:07,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 09:36:07,907 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-29 09:36:07,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:36:07,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1271266862, now seen corresponding path program 1 times [2023-08-29 09:36:07,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:36:07,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508788654] [2023-08-29 09:36:07,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:36:07,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:36:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:36:07,932 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 09:36:07,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:36:07,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508788654] [2023-08-29 09:36:07,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508788654] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:36:07,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:36:07,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:36:07,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454910439] [2023-08-29 09:36:07,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:36:07,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:36:07,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:36:07,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:36:07,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:36:07,974 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 435 [2023-08-29 09:36:07,975 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 89 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 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 09:36:07,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:36:07,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 435 [2023-08-29 09:36:07,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:36:33,955 INFO L130 PetriNetUnfolder]: 264696/372841 cut-off events. [2023-08-29 09:36:33,955 INFO L131 PetriNetUnfolder]: For 140916/141089 co-relation queries the response was YES. [2023-08-29 09:36:35,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 889697 conditions, 372841 events. 264696/372841 cut-off events. For 140916/141089 co-relation queries the response was YES. Maximal size of possible extension queue 12243. Compared 3128577 event pairs, 152481 based on Foata normal form. 2/322385 useless extension candidates. Maximal degree in co-relation 889688. Up to 288832 conditions per place. [2023-08-29 09:36:36,915 INFO L137 encePairwiseOnDemand]: 422/435 looper letters, 76 selfloop transitions, 22 changer transitions 0/131 dead transitions. [2023-08-29 09:36:36,915 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 131 transitions, 683 flow [2023-08-29 09:36:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:36:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:36:36,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2023-08-29 09:36:36,917 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4781609195402299 [2023-08-29 09:36:36,917 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 624 transitions. [2023-08-29 09:36:36,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 624 transitions. [2023-08-29 09:36:36,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:36:36,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 624 transitions. [2023-08-29 09:36:36,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 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 09:36:36,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 09:36:36,922 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 09:36:36,923 INFO L175 Difference]: Start difference. First operand has 79 places, 89 transitions, 334 flow. Second operand 3 states and 624 transitions. [2023-08-29 09:36:36,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 131 transitions, 683 flow [2023-08-29 09:36:40,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 131 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:36:40,770 INFO L231 Difference]: Finished difference. Result has 81 places, 109 transitions, 500 flow [2023-08-29 09:36:40,770 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=81, PETRI_TRANSITIONS=109} [2023-08-29 09:36:40,770 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -10 predicate places. [2023-08-29 09:36:40,771 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 109 transitions, 500 flow [2023-08-29 09:36:40,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 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 09:36:40,771 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:36:40,771 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:36:40,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 09:36:40,772 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-29 09:36:40,772 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:36:40,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1668060858, now seen corresponding path program 1 times [2023-08-29 09:36:40,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:36:40,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222922834] [2023-08-29 09:36:40,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:36:40,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:36:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:36:40,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 09:36:40,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:36:40,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222922834] [2023-08-29 09:36:40,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222922834] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:36:40,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:36:40,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:36:40,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365351241] [2023-08-29 09:36:40,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:36:40,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:36:40,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:36:40,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:36:40,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:36:40,842 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 435 [2023-08-29 09:36:40,843 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 109 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 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 09:36:40,843 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:36:40,843 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 435 [2023-08-29 09:36:40,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:36:46,925 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 56#L709-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 188#L709-1true, 142#L725-5true]) [2023-08-29 09:36:46,926 INFO L383 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2023-08-29 09:36:46,926 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2023-08-29 09:36:46,926 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2023-08-29 09:36:46,926 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2023-08-29 09:36:48,485 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 56#L709-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 45#L709-2true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:36:48,485 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2023-08-29 09:36:48,485 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 09:36:48,486 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 09:36:48,486 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 09:36:50,687 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, thr1Thread1of4ForFork0InUse, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread2of4ForFork0InUse, 56#L709-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 188#L709-1true]) [2023-08-29 09:36:50,688 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2023-08-29 09:36:50,688 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2023-08-29 09:36:50,688 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2023-08-29 09:36:50,688 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2023-08-29 09:36:51,607 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][37], [170#L713-1true, 240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 56#L709-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, Black: 243#true, 255#true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true, 178#L711true]) [2023-08-29 09:36:51,607 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2023-08-29 09:36:51,607 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2023-08-29 09:36:51,607 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2023-08-29 09:36:51,607 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2023-08-29 09:36:51,607 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, 192#L710true, thr1Thread2of4ForFork0InUse, 56#L709-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:36:51,607 INFO L383 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2023-08-29 09:36:51,607 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2023-08-29 09:36:51,607 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2023-08-29 09:36:51,607 INFO L386 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2023-08-29 09:36:52,172 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, thr1Thread1of4ForFork0InUse, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread2of4ForFork0InUse, 56#L709-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, 45#L709-2true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:36:52,172 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2023-08-29 09:36:52,172 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 09:36:52,172 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 09:36:52,172 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 09:36:55,906 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][37], [170#L713-1true, 240#true, thr1Thread1of4ForFork0InUse, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread2of4ForFork0InUse, 56#L709-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, Black: 243#true, 255#true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 178#L711true]) [2023-08-29 09:36:55,906 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-29 09:36:55,906 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:36:55,906 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:36:55,906 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:36:55,906 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, thr1Thread1of4ForFork0InUse, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, 192#L710true, thr1Thread2of4ForFork0InUse, 56#L709-2true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:36:55,906 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-29 09:36:55,906 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:36:55,906 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:36:55,906 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 09:37:00,187 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][127], [240#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 50#L711-1true, 215#L711true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 74#L714true, Black: 243#true, 255#true, 249#true, 98#L713-4true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:00,187 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2023-08-29 09:37:00,187 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:37:00,187 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:37:00,187 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:37:00,410 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][127], [240#true, thr1Thread1of4ForFork0InUse, 47#L714true, thr1Thread2of4ForFork0InUse, 215#L711true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 106#L711-1true, Black: 243#true, 255#true, 249#true, 98#L713-4true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:00,410 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2023-08-29 09:37:00,410 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:37:00,410 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:37:00,410 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:37:01,670 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][127], [240#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 50#L711-1true, 105#thr1EXITtrue, thr1Thread3of4ForFork0InUse, 215#L711true, thr1Thread4of4ForFork0InUse, 255#true, Black: 243#true, 98#L713-4true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:01,670 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:37:01,670 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:37:01,670 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:37:01,670 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:37:01,732 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1336] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][23], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, 41#L711true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 74#L714true, Black: 243#true, 255#true, 221#L711-1true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:01,732 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2023-08-29 09:37:01,732 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:37:01,732 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:37:01,732 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 09:37:01,914 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][127], [240#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 215#L711true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 106#L711-1true, 255#true, Black: 243#true, 21#thr1EXITtrue, 249#true, 98#L713-4true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:01,914 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2023-08-29 09:37:01,915 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:37:01,915 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:37:01,915 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-08-29 09:37:03,437 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][63], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, 47#L714true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 215#L711true, thr1Thread4of4ForFork0InUse, 106#L711-1true, Black: 243#true, 255#true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:03,437 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is not cut-off event [2023-08-29 09:37:03,437 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is not cut-off event [2023-08-29 09:37:03,437 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is not cut-off event [2023-08-29 09:37:03,437 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is not cut-off event [2023-08-29 09:37:03,844 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][127], [240#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 50#L711-1true, 215#L711true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, 74#L714true, 255#true, Black: 243#true, 98#L713-4true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:03,845 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2023-08-29 09:37:03,845 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:37:03,845 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:37:03,845 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:37:04,086 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][127], [240#true, thr1Thread1of4ForFork0InUse, 47#L714true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 215#L711true, thr1Thread4of4ForFork0InUse, 106#L711-1true, 101#L725-4true, 255#true, Black: 243#true, 249#true, 98#L713-4true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:04,087 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2023-08-29 09:37:04,087 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:37:04,087 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:37:04,087 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:37:04,719 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][63], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 215#L711true, thr1Thread4of4ForFork0InUse, 106#L711-1true, Black: 243#true, 255#true, 21#thr1EXITtrue, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:04,719 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is not cut-off event [2023-08-29 09:37:04,719 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 09:37:04,719 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 09:37:04,719 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 09:37:04,752 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1336] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][23], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, 41#L711true, thr1Thread2of4ForFork0InUse, 105#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, Black: 243#true, 255#true, 221#L711-1true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:04,752 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is not cut-off event [2023-08-29 09:37:04,752 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 09:37:04,752 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 09:37:04,752 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 09:37:05,083 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][127], [240#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 50#L711-1true, 105#thr1EXITtrue, thr1Thread3of4ForFork0InUse, 215#L711true, thr1Thread4of4ForFork0InUse, 101#L725-4true, Black: 243#true, 255#true, 98#L713-4true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:05,083 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,083 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,083 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,083 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,150 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1336] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][23], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, 41#L711true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, 74#L714true, 255#true, Black: 243#true, 221#L711-1true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:05,150 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2023-08-29 09:37:05,150 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:37:05,150 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:37:05,150 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-08-29 09:37:05,620 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][127], [240#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 215#L711true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 106#L711-1true, 101#L725-4true, 255#true, Black: 243#true, 21#thr1EXITtrue, 249#true, 98#L713-4true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:05,620 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,620 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,620 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,620 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,884 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][107], [240#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 74#L714true, 221#L711-1true, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 98#L713-4true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:05,884 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,884 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,884 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,884 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,904 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1200] L713-2-->L713-3: Formula: (= |v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5| |v_#race~seed~0_7|) InVars {thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5|} OutVars{#race~seed~0=|v_#race~seed~0_7|, thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~seed~0][132], [240#true, 110#L713-3true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 50#L711-1true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 255#true, Black: 245#(= |#race~seed~0| 0), 98#L713-4true, 249#true, 144#L714true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:05,904 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,904 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,904 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:05,904 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:06,176 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][63], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, 47#L714true, thr1Thread2of4ForFork0InUse, 215#L711true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 106#L711-1true, 101#L725-4true, 255#true, Black: 243#true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:06,177 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is not cut-off event [2023-08-29 09:37:06,177 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is not cut-off event [2023-08-29 09:37:06,177 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is not cut-off event [2023-08-29 09:37:06,177 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is not cut-off event [2023-08-29 09:37:07,225 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 74#L714true, Black: 245#(= |#race~seed~0| 0), 221#L711-1true, 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:07,225 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:37:07,225 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:07,225 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:07,225 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:07,244 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 74#L714true, 221#L711-1true, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:07,245 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2023-08-29 09:37:07,245 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:07,245 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:07,245 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:07,245 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2023-08-29 09:37:07,252 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][107], [240#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 105#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 221#L711-1true, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 98#L713-4true, 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:07,252 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2023-08-29 09:37:07,252 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:07,252 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:07,252 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:07,289 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1200] L713-2-->L713-3: Formula: (= |v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5| |v_#race~seed~0_7|) InVars {thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5|} OutVars{#race~seed~0=|v_#race~seed~0_7|, thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~seed~0][132], [240#true, 110#L713-3true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 50#L711-1true, 84#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 255#true, Black: 245#(= |#race~seed~0| 0), 98#L713-4true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:07,289 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2023-08-29 09:37:07,289 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:07,290 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:07,290 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:07,694 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1230] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][63], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 215#L711true, thr1Thread4of4ForFork0InUse, 106#L711-1true, 101#L725-4true, Black: 243#true, 255#true, 21#thr1EXITtrue, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:07,694 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is not cut-off event [2023-08-29 09:37:07,694 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2023-08-29 09:37:07,694 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2023-08-29 09:37:07,694 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2023-08-29 09:37:07,763 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1336] L710-->L711: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][23], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, 41#L711true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 105#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, Black: 243#true, 255#true, 221#L711-1true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:07,763 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is not cut-off event [2023-08-29 09:37:07,764 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2023-08-29 09:37:07,764 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2023-08-29 09:37:07,764 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2023-08-29 09:37:08,703 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 105#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, Black: 245#(= |#race~seed~0| 0), 221#L711-1true, 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:08,704 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2023-08-29 09:37:08,704 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:08,705 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:08,705 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:08,723 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 105#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 221#L711-1true, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 142#L725-5true]) [2023-08-29 09:37:08,724 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2023-08-29 09:37:08,724 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:08,724 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:08,724 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:08,724 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2023-08-29 09:37:09,065 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][107], [240#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, 74#L714true, Black: 245#(= |#race~seed~0| 0), 221#L711-1true, 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 98#L713-4true, 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:09,066 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2023-08-29 09:37:09,066 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:09,066 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:09,066 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:09,104 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1200] L713-2-->L713-3: Formula: (= |v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5| |v_#race~seed~0_7|) InVars {thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5|} OutVars{#race~seed~0=|v_#race~seed~0_7|, thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~seed~0][132], [240#true, 110#L713-3true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 50#L711-1true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, 255#true, Black: 245#(= |#race~seed~0| 0), 98#L713-4true, 249#true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 144#L714true]) [2023-08-29 09:37:09,105 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2023-08-29 09:37:09,105 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:09,105 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:09,105 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:10,124 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, thr1Thread1of4ForFork0InUse, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, 74#L714true, 221#L711-1true, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:10,124 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2023-08-29 09:37:10,125 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:10,125 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:10,125 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:10,145 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, 74#L714true, 221#L711-1true, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:10,146 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2023-08-29 09:37:10,146 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:10,146 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:10,146 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:10,146 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 09:37:10,156 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][107], [240#true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 105#thr1EXITtrue, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, Black: 245#(= |#race~seed~0| 0), 221#L711-1true, 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 98#L713-4true, 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:10,156 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,156 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,156 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,156 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,187 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1200] L713-2-->L713-3: Formula: (= |v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5| |v_#race~seed~0_7|) InVars {thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5|} OutVars{#race~seed~0=|v_#race~seed~0_7|, thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread3of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~seed~0][132], [240#true, 110#L713-3true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 84#thr1EXITtrue, 50#L711-1true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 101#L725-4true, 255#true, Black: 245#(= |#race~seed~0| 0), 249#true, 98#L713-4true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:10,187 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,187 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,187 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,188 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,755 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, thr1Thread1of4ForFork0InUse, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 105#thr1EXITtrue, thr1Thread4of4ForFork0InUse, 101#L725-4true, 221#L711-1true, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:10,756 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,772 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,772 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,773 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,796 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1444] L713-1-->L713-3: Formula: (= |v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21| |v_#race~seed~0_164|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_164|, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1=|v_thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1_21|} AuxVars[] AssignedVars[#race~seed~0, thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1][38], [240#true, 80#thr1Err4ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, 105#thr1EXITtrue, thr1Thread4of4ForFork0InUse, 101#L725-4true, 221#L711-1true, Black: 245#(= |#race~seed~0| 0), 257#(= |#race~seed~0| |thr1Thread2of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|), 249#true, 58#L713-3true, Black: 251#(= |#race~seed~0| |thr1Thread1of4ForFork0_PseudoRandomUsingAtomic_nextInt_#t~nondet7#1|)]) [2023-08-29 09:37:10,797 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,797 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,797 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,797 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:10,797 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 09:37:12,152 INFO L130 PetriNetUnfolder]: 282324/398066 cut-off events. [2023-08-29 09:37:12,153 INFO L131 PetriNetUnfolder]: For 313850/325937 co-relation queries the response was YES. [2023-08-29 09:37:13,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1053219 conditions, 398066 events. 282324/398066 cut-off events. For 313850/325937 co-relation queries the response was YES. Maximal size of possible extension queue 13118. Compared 3365118 event pairs, 158817 based on Foata normal form. 3440/334861 useless extension candidates. Maximal degree in co-relation 1053209. Up to 329847 conditions per place. [2023-08-29 09:37:16,431 INFO L137 encePairwiseOnDemand]: 423/435 looper letters, 92 selfloop transitions, 35 changer transitions 0/162 dead transitions. [2023-08-29 09:37:16,432 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 162 transitions, 1016 flow [2023-08-29 09:37:16,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:37:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:37:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 621 transitions. [2023-08-29 09:37:16,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47586206896551725 [2023-08-29 09:37:16,435 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 621 transitions. [2023-08-29 09:37:16,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 621 transitions. [2023-08-29 09:37:16,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:37:16,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 621 transitions. [2023-08-29 09:37:16,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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 09:37:16,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 09:37:16,441 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 09:37:16,441 INFO L175 Difference]: Start difference. First operand has 81 places, 109 transitions, 500 flow. Second operand 3 states and 621 transitions. [2023-08-29 09:37:16,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 162 transitions, 1016 flow [2023-08-29 09:37:34,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 162 transitions, 942 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:37:34,522 INFO L231 Difference]: Finished difference. Result has 82 places, 140 transitions, 799 flow [2023-08-29 09:37:34,522 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=799, PETRI_PLACES=82, PETRI_TRANSITIONS=140} [2023-08-29 09:37:34,523 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -9 predicate places. [2023-08-29 09:37:34,523 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 140 transitions, 799 flow [2023-08-29 09:37:34,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 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 09:37:34,523 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:37:34,524 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:37:34,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 09:37:34,524 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2023-08-29 09:37:34,524 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:37:34,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1481668932, now seen corresponding path program 1 times [2023-08-29 09:37:34,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:37:34,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249050112] [2023-08-29 09:37:34,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:37:34,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:37:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:37:34,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:37:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:37:34,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:37:34,550 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:37:34,551 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2023-08-29 09:37:34,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2023-08-29 09:37:34,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2023-08-29 09:37:34,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2023-08-29 09:37:34,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2023-08-29 09:37:34,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2023-08-29 09:37:34,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2023-08-29 09:37:34,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2023-08-29 09:37:34,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 36 remaining) [2023-08-29 09:37:34,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2023-08-29 09:37:34,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2023-08-29 09:37:34,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2023-08-29 09:37:34,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2023-08-29 09:37:34,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2023-08-29 09:37:34,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2023-08-29 09:37:34,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2023-08-29 09:37:34,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2023-08-29 09:37:34,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2023-08-29 09:37:34,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2023-08-29 09:37:34,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2023-08-29 09:37:34,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2023-08-29 09:37:34,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 36 remaining) [2023-08-29 09:37:34,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 36 remaining) [2023-08-29 09:37:34,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 36 remaining) [2023-08-29 09:37:34,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2023-08-29 09:37:34,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2023-08-29 09:37:34,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2023-08-29 09:37:34,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2023-08-29 09:37:34,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2023-08-29 09:37:34,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2023-08-29 09:37:34,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2023-08-29 09:37:34,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2023-08-29 09:37:34,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2023-08-29 09:37:34,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2023-08-29 09:37:34,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2023-08-29 09:37:34,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2023-08-29 09:37:34,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 09:37:34,559 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 09:37:34,563 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2023-08-29 09:37:34,563 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 09:37:34,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 09:37:34 BasicIcfg [2023-08-29 09:37:34,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 09:37:34,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 09:37:34,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 09:37:34,612 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 09:37:34,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:35:26" (3/4) ... [2023-08-29 09:37:34,616 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-29 09:37:34,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 09:37:34,617 INFO L158 Benchmark]: Toolchain (without parser) took 128686.60ms. Allocated memory was 71.3MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 36.7MB in the beginning and 12.8GB in the end (delta: -12.7GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2023-08-29 09:37:34,617 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:37:34,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.17ms. Allocated memory is still 71.3MB. Free memory was 36.5MB in the beginning and 36.1MB in the end (delta: 337.0kB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-08-29 09:37:34,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.83ms. Allocated memory is still 71.3MB. Free memory was 36.1MB in the beginning and 34.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:37:34,618 INFO L158 Benchmark]: Boogie Preprocessor took 43.75ms. Allocated memory is still 71.3MB. Free memory was 34.0MB in the beginning and 32.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:37:34,618 INFO L158 Benchmark]: RCFGBuilder took 561.81ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 32.8MB in the beginning and 64.5MB in the end (delta: -31.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-08-29 09:37:34,618 INFO L158 Benchmark]: TraceAbstraction took 127611.26ms. Allocated memory was 100.7MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 64.1MB in the beginning and 12.8GB in the end (delta: -12.7GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2023-08-29 09:37:34,619 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 16.1GB. Free memory is still 12.8GB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:37:34,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.17ms. Allocated memory is still 71.3MB. Free memory was 36.5MB in the beginning and 36.1MB in the end (delta: 337.0kB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.83ms. Allocated memory is still 71.3MB. Free memory was 36.1MB in the beginning and 34.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.75ms. Allocated memory is still 71.3MB. Free memory was 34.0MB in the beginning and 32.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.81ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 32.8MB in the beginning and 64.5MB in the end (delta: -31.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * TraceAbstraction took 127611.26ms. Allocated memory was 100.7MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 64.1MB in the beginning and 12.8GB in the end (delta: -12.7GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 16.1GB. Free memory is still 12.8GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 78 PlacesBefore, 18 PlacesAfterwards, 79 TransitionsBefore, 16 TransitionsAfterwards, 1378 CoEnabledTransitionPairs, 6 FixpointIterations, 11 TrivialSequentialCompositions, 65 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 85 TotalNumberOfCompositions, 1247 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1247, independent: 1247, independent conditional: 0, independent unconditional: 1247, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 694, independent: 694, independent conditional: 0, independent unconditional: 694, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1247, independent: 553, independent conditional: 0, independent unconditional: 553, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 694, unknown conditional: 0, unknown unconditional: 694] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 10, Positive conditional cache size: 0, Positive unconditional cache size: 10, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.7s, 131 PlacesBefore, 49 PlacesAfterwards, 133 TransitionsBefore, 47 TransitionsAfterwards, 8480 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 4 ChoiceCompositions, 108 TotalNumberOfCompositions, 16675 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8767, independent: 8474, independent conditional: 0, independent unconditional: 8474, dependent: 293, dependent conditional: 0, dependent unconditional: 293, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4552, independent: 4466, independent conditional: 0, independent unconditional: 4466, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8767, independent: 4008, independent conditional: 0, independent unconditional: 4008, dependent: 207, dependent conditional: 0, dependent unconditional: 207, unknown: 4552, unknown conditional: 0, unknown unconditional: 4552] , Statistics on independence cache: Total cache size (in pairs): 318, Positive cache size: 283, Positive conditional cache size: 0, Positive unconditional cache size: 283, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 184 PlacesBefore, 70 PlacesAfterwards, 187 TransitionsBefore, 67 TransitionsAfterwards, 21306 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 118 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 6 ChoiceCompositions, 153 TotalNumberOfCompositions, 45498 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19656, independent: 19200, independent conditional: 0, independent unconditional: 19200, dependent: 456, dependent conditional: 0, dependent unconditional: 456, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11093, independent: 10948, independent conditional: 0, independent unconditional: 10948, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19656, independent: 8252, independent conditional: 0, independent unconditional: 8252, dependent: 311, dependent conditional: 0, dependent unconditional: 311, unknown: 11093, unknown conditional: 0, unknown unconditional: 11093] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 507, Positive conditional cache size: 0, Positive unconditional cache size: 507, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 237 PlacesBefore, 91 PlacesAfterwards, 241 TransitionsBefore, 89 TransitionsAfterwards, 39856 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 150 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 27 ConcurrentYvCompositions, 6 ChoiceCompositions, 194 TotalNumberOfCompositions, 83370 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32745, independent: 32173, independent conditional: 0, independent unconditional: 32173, dependent: 572, dependent conditional: 0, dependent unconditional: 572, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 20815, independent: 20611, independent conditional: 0, independent unconditional: 20611, dependent: 204, dependent conditional: 0, dependent unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 32745, independent: 11562, independent conditional: 0, independent unconditional: 11562, dependent: 368, dependent conditional: 0, dependent unconditional: 368, unknown: 20815, unknown conditional: 0, unknown unconditional: 20815] , Statistics on independence cache: Total cache size (in pairs): 1120, Positive cache size: 999, Positive conditional cache size: 0, Positive unconditional cache size: 999, Negative cache size: 121, Negative conditional cache size: 0, Negative unconditional cache size: 121, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 709]: Data race detected Data race detected The following path leads to a data race: [L689] 0 int m = 0; [L706] 0 int seed = 1; [L724] 0 pthread_t t; VAL [m=0, seed=1, t={3:0}] [L725] COND TRUE 0 1 [L725] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [m=0, pthread_create(&t, 0, thr1, 0)=-1, seed=1, t={3:0}] [L725] COND TRUE 0 1 [L719] CALL 1 PseudoRandomUsingAtomic_nextInt() [L708] 1 int read, nexts, nextInt_return; [L709] EXPR 1 seed != 0 VAL [m=0, seed=1] [L709] COND FALSE 1 !(!(seed != 0)) VAL [m=0, seed=1] [L725] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [m=0, pthread_create(&t, 0, thr1, 0)=0, seed=1, t={3:0}] [L710] CALL 1 __VERIFIER_atomic_acquire() [L692] EXPR 1 m==0 [L692] CALL 1 assume_abort_if_not(m==0) [L3] COND FALSE 1 !(!cond) [L692] RET 1 assume_abort_if_not(m==0) [L693] 1 m = 1 [L710] RET 1 __VERIFIER_atomic_acquire() [L711] 1 read = seed VAL [m=1, seed=1] [L719] CALL 2 PseudoRandomUsingAtomic_nextInt() [L708] 2 int read, nexts, nextInt_return; [L709] 2 seed != 0 VAL [m=1, seed=1] [L711] 1 read = seed [L712] CALL, EXPR 1 calculateNext(read) [L701] 1 int cnex; VAL [\old(s2)=1, m=1, s2=1, seed=1] [L702] 1 cnex = __VERIFIER_nondet_int() [L703] COND FALSE 1 !(cnex == s2 || cnex == 0) [L704] 1 return cnex; [L712] RET, EXPR 1 calculateNext(read) [L712] 1 nexts = calculateNext(read) [L713] 1 seed = nexts VAL [m=1, nexts=5, read=1, seed = nexts=49, seed=5] [L709] 2 seed != 0 VAL [m=1, nexts=5, read=1, seed = nexts=49, seed=5] Now there is a data race on ~seed~0 between C: seed = nexts [713] and C: seed != 0 [709] - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 725]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 127 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: 2.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 178 locations, 22 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: 2.0s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 8 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 229 locations, 29 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: 6.3s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 42 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=369occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 280 locations, 36 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: 116.7s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 113.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 289 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 497 IncrementalHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 41 mSDtfsCounter, 497 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=799occurred in iteration=4, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-29 09:37:34,719 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE