./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c -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 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:39:52,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:39:52,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:39:52,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:39:52,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:39:52,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:39:52,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:39:52,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:39:52,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:39:52,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:39:52,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:39:52,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:39:52,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:39:52,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:39:52,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:39:52,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:39:52,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:39:52,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:39:52,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:39:52,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:39:52,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:39:52,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:39:52,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:39:52,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:39:52,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:39:52,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:39:52,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:39:52,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:39:52,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:39:52,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:39:52,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:39:52,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:39:52,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:39:52,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:39:52,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:39:52,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:39:52,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:39:52,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:39:52,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:39:52,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:39:52,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:39:52,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:39:52,370 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:39:52,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:39:52,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:39:52,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:39:52,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:39:52,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:39:52,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:39:52,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:39:52,374 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:39:52,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:39:52,374 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:39:52,375 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:39:52,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:39:52,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:39:52,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:39:52,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:39:52,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:39:52,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:39:52,376 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:39:52,376 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:39:52,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:39:52,376 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:39:52,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:39:52,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:39:52,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:39:52,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:39:52,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:39:52,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:39:52,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:39:52,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:39:52,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:39:52,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:39:52,378 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:39:52,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:39:52,378 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:39:52,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:39:52,379 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:39:52,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1890d03ecee4b13e5a6c0f8c72292cb7ef9118f93d1435df375cec86140a0197 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:39:52,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:39:52,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:39:52,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:39:52,704 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:39:52,704 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:39:52,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2023-08-29 03:39:53,900 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:39:54,069 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:39:54,069 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2023-08-29 03:39:54,074 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0d17960f/6e470be9a9f944c08352c420533e6db6/FLAG458b6d5ea [2023-08-29 03:39:54,084 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0d17960f/6e470be9a9f944c08352c420533e6db6 [2023-08-29 03:39:54,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:39:54,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:39:54,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:39:54,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:39:54,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:39:54,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512c31ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54, skipping insertion in model container [2023-08-29 03:39:54,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:39:54,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:39:54,243 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2023-08-29 03:39:54,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:39:54,252 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:39:54,275 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2023-08-29 03:39:54,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:39:54,286 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:39:54,286 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:39:54,291 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:39:54,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54 WrapperNode [2023-08-29 03:39:54,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:39:54,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:39:54,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:39:54,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:39:54,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,334 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 442 [2023-08-29 03:39:54,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:39:54,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:39:54,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:39:54,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:39:54,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,380 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:39:54,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:39:54,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:39:54,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:39:54,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (1/1) ... [2023-08-29 03:39:54,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:39:54,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:39:54,437 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 03:39:54,452 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 03:39:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:39:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:39:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:39:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:39:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:39:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:39:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:39:54,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:39:54,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:39:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:39:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:39:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:39:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:39:54,468 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 03:39:54,578 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:39:54,580 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:39:55,092 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:39:55,253 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:39:55,253 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-08-29 03:39:55,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:39:55 BoogieIcfgContainer [2023-08-29 03:39:55,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:39:55,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:39:55,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:39:55,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:39:55,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:39:54" (1/3) ... [2023-08-29 03:39:55,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b39e485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:39:55, skipping insertion in model container [2023-08-29 03:39:55,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:39:54" (2/3) ... [2023-08-29 03:39:55,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b39e485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:39:55, skipping insertion in model container [2023-08-29 03:39:55,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:39:55" (3/3) ... [2023-08-29 03:39:55,263 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2023-08-29 03:39:55,270 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:39:55,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:39:55,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2023-08-29 03:39:55,278 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:39:55,389 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:39:55,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 393 places, 409 transitions, 842 flow [2023-08-29 03:39:55,561 INFO L130 PetriNetUnfolder]: 26/406 cut-off events. [2023-08-29 03:39:55,562 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:39:55,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 406 events. 26/406 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 786 event pairs, 0 based on Foata normal form. 0/332 useless extension candidates. Maximal degree in co-relation 299. Up to 2 conditions per place. [2023-08-29 03:39:55,569 INFO L82 GeneralOperation]: Start removeDead. Operand has 393 places, 409 transitions, 842 flow [2023-08-29 03:39:55,576 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 374 places, 389 transitions, 796 flow [2023-08-29 03:39:55,578 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:39:55,591 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 374 places, 389 transitions, 796 flow [2023-08-29 03:39:55,593 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 374 places, 389 transitions, 796 flow [2023-08-29 03:39:55,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 374 places, 389 transitions, 796 flow [2023-08-29 03:39:55,657 INFO L130 PetriNetUnfolder]: 25/389 cut-off events. [2023-08-29 03:39:55,658 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:39:55,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 389 events. 25/389 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 785 event pairs, 0 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 299. Up to 2 conditions per place. [2023-08-29 03:39:55,672 INFO L119 LiptonReduction]: Number of co-enabled transitions 27714 [2023-08-29 03:40:03,717 INFO L134 LiptonReduction]: Checked pairs total: 197985 [2023-08-29 03:40:03,717 INFO L136 LiptonReduction]: Total number of compositions: 345 [2023-08-29 03:40:03,726 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:40:03,730 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;@14ea74e7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:40:03,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 82 error locations. [2023-08-29 03:40:03,731 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:40:03,731 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:40:03,732 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:03,732 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:40:03,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:03,735 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:03,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1728, now seen corresponding path program 1 times [2023-08-29 03:40:03,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:03,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755337894] [2023-08-29 03:40:03,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:03,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:03,880 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 03:40:03,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:03,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755337894] [2023-08-29 03:40:03,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755337894] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:03,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:03,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:40:03,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908563158] [2023-08-29 03:40:03,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:03,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:40:03,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:03,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:40:03,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:40:03,920 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 754 [2023-08-29 03:40:03,926 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 155 transitions, 328 flow. Second operand has 2 states, 2 states have (on average 370.5) internal successors, (741), 2 states have internal predecessors, (741), 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 03:40:03,926 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:03,926 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 754 [2023-08-29 03:40:03,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:04,501 INFO L130 PetriNetUnfolder]: 2339/5773 cut-off events. [2023-08-29 03:40:04,501 INFO L131 PetriNetUnfolder]: For 178/178 co-relation queries the response was YES. [2023-08-29 03:40:04,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9029 conditions, 5773 events. 2339/5773 cut-off events. For 178/178 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 51100 event pairs, 1473 based on Foata normal form. 1187/5702 useless extension candidates. Maximal degree in co-relation 7939. Up to 3109 conditions per place. [2023-08-29 03:40:04,542 INFO L137 encePairwiseOnDemand]: 720/754 looper letters, 36 selfloop transitions, 0 changer transitions 1/121 dead transitions. [2023-08-29 03:40:04,542 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 121 transitions, 334 flow [2023-08-29 03:40:04,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:40:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:40:04,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 811 transitions. [2023-08-29 03:40:04,558 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5377984084880637 [2023-08-29 03:40:04,559 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 811 transitions. [2023-08-29 03:40:04,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 811 transitions. [2023-08-29 03:40:04,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:04,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 811 transitions. [2023-08-29 03:40:04,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 405.5) internal successors, (811), 2 states have internal predecessors, (811), 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 03:40:04,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 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 03:40:04,579 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 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 03:40:04,580 INFO L175 Difference]: Start difference. First operand has 149 places, 155 transitions, 328 flow. Second operand 2 states and 811 transitions. [2023-08-29 03:40:04,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 121 transitions, 334 flow [2023-08-29 03:40:04,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 121 transitions, 322 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 03:40:04,590 INFO L231 Difference]: Finished difference. Result has 118 places, 120 transitions, 245 flow [2023-08-29 03:40:04,592 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=245, PETRI_PLACES=118, PETRI_TRANSITIONS=120} [2023-08-29 03:40:04,598 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -31 predicate places. [2023-08-29 03:40:04,600 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 120 transitions, 245 flow [2023-08-29 03:40:04,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 370.5) internal successors, (741), 2 states have internal predecessors, (741), 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 03:40:04,601 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:04,601 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:04,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:40:04,602 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:04,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:04,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1379137783, now seen corresponding path program 1 times [2023-08-29 03:40:04,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:04,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725427465] [2023-08-29 03:40:04,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:04,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:04,770 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 03:40:04,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:04,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725427465] [2023-08-29 03:40:04,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725427465] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:04,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:04,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:40:04,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078783063] [2023-08-29 03:40:04,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:04,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:40:04,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:04,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:40:04,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:40:04,788 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 754 [2023-08-29 03:40:04,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 120 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 359.0) internal successors, (1077), 3 states have internal predecessors, (1077), 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 03:40:04,789 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:04,789 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 754 [2023-08-29 03:40:04,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:05,392 INFO L130 PetriNetUnfolder]: 3499/7802 cut-off events. [2023-08-29 03:40:05,392 INFO L131 PetriNetUnfolder]: For 70/70 co-relation queries the response was YES. [2023-08-29 03:40:05,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12573 conditions, 7802 events. 3499/7802 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 68095 event pairs, 2423 based on Foata normal form. 0/6202 useless extension candidates. Maximal degree in co-relation 12570. Up to 4711 conditions per place. [2023-08-29 03:40:05,431 INFO L137 encePairwiseOnDemand]: 751/754 looper letters, 39 selfloop transitions, 1 changer transitions 0/118 dead transitions. [2023-08-29 03:40:05,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 118 transitions, 321 flow [2023-08-29 03:40:05,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:40:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:40:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1113 transitions. [2023-08-29 03:40:05,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4920424403183024 [2023-08-29 03:40:05,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1113 transitions. [2023-08-29 03:40:05,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1113 transitions. [2023-08-29 03:40:05,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:05,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1113 transitions. [2023-08-29 03:40:05,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 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 03:40:05,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 754.0) internal successors, (3016), 4 states have internal predecessors, (3016), 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 03:40:05,441 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 754.0) internal successors, (3016), 4 states have internal predecessors, (3016), 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 03:40:05,441 INFO L175 Difference]: Start difference. First operand has 118 places, 120 transitions, 245 flow. Second operand 3 states and 1113 transitions. [2023-08-29 03:40:05,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 118 transitions, 321 flow [2023-08-29 03:40:05,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 118 transitions, 321 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:40:05,444 INFO L231 Difference]: Finished difference. Result has 117 places, 118 transitions, 243 flow [2023-08-29 03:40:05,444 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=117, PETRI_TRANSITIONS=118} [2023-08-29 03:40:05,445 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -32 predicate places. [2023-08-29 03:40:05,445 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 118 transitions, 243 flow [2023-08-29 03:40:05,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 359.0) internal successors, (1077), 3 states have internal predecessors, (1077), 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 03:40:05,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:05,446 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:05,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:40:05,446 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:05,447 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:05,448 INFO L85 PathProgramCache]: Analyzing trace with hash -2088936086, now seen corresponding path program 1 times [2023-08-29 03:40:05,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:05,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114276316] [2023-08-29 03:40:05,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:05,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:05,527 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 03:40:05,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:05,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114276316] [2023-08-29 03:40:05,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114276316] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:05,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:05,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:40:05,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364913600] [2023-08-29 03:40:05,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:05,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:40:05,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:05,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:40:05,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:40:05,547 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 754 [2023-08-29 03:40:05,549 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 118 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 359.6666666666667) internal successors, (1079), 3 states have internal predecessors, (1079), 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 03:40:05,549 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:05,549 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 754 [2023-08-29 03:40:05,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:06,257 INFO L130 PetriNetUnfolder]: 3233/7551 cut-off events. [2023-08-29 03:40:06,258 INFO L131 PetriNetUnfolder]: For 81/81 co-relation queries the response was YES. [2023-08-29 03:40:06,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11974 conditions, 7551 events. 3233/7551 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 67569 event pairs, 2245 based on Foata normal form. 0/6241 useless extension candidates. Maximal degree in co-relation 11970. Up to 4359 conditions per place. [2023-08-29 03:40:06,306 INFO L137 encePairwiseOnDemand]: 751/754 looper letters, 38 selfloop transitions, 1 changer transitions 0/116 dead transitions. [2023-08-29 03:40:06,307 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 116 transitions, 317 flow [2023-08-29 03:40:06,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:40:06,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:40:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1112 transitions. [2023-08-29 03:40:06,311 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4916003536693192 [2023-08-29 03:40:06,311 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1112 transitions. [2023-08-29 03:40:06,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1112 transitions. [2023-08-29 03:40:06,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:06,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1112 transitions. [2023-08-29 03:40:06,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 370.6666666666667) internal successors, (1112), 3 states have internal predecessors, (1112), 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 03:40:06,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 754.0) internal successors, (3016), 4 states have internal predecessors, (3016), 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 03:40:06,321 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 754.0) internal successors, (3016), 4 states have internal predecessors, (3016), 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 03:40:06,321 INFO L175 Difference]: Start difference. First operand has 117 places, 118 transitions, 243 flow. Second operand 3 states and 1112 transitions. [2023-08-29 03:40:06,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 116 transitions, 317 flow [2023-08-29 03:40:06,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 116 transitions, 316 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:40:06,324 INFO L231 Difference]: Finished difference. Result has 116 places, 116 transitions, 240 flow [2023-08-29 03:40:06,325 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=116, PETRI_TRANSITIONS=116} [2023-08-29 03:40:06,325 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -33 predicate places. [2023-08-29 03:40:06,326 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 116 transitions, 240 flow [2023-08-29 03:40:06,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 359.6666666666667) internal successors, (1079), 3 states have internal predecessors, (1079), 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 03:40:06,327 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:06,327 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:06,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:40:06,327 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:06,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:06,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1793531520, now seen corresponding path program 1 times [2023-08-29 03:40:06,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:06,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87322722] [2023-08-29 03:40:06,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:06,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:06,378 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 03:40:06,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:06,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87322722] [2023-08-29 03:40:06,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87322722] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:06,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:06,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:40:06,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777893683] [2023-08-29 03:40:06,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:06,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:40:06,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:06,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:40:06,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:40:06,401 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 754 [2023-08-29 03:40:06,402 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 116 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 353.0) internal successors, (1059), 3 states have internal predecessors, (1059), 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 03:40:06,402 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:06,403 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 754 [2023-08-29 03:40:06,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:07,477 INFO L130 PetriNetUnfolder]: 6401/12542 cut-off events. [2023-08-29 03:40:07,477 INFO L131 PetriNetUnfolder]: For 117/117 co-relation queries the response was YES. [2023-08-29 03:40:07,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21277 conditions, 12542 events. 6401/12542 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 103970 event pairs, 2329 based on Foata normal form. 0/11397 useless extension candidates. Maximal degree in co-relation 21273. Up to 8518 conditions per place. [2023-08-29 03:40:07,539 INFO L137 encePairwiseOnDemand]: 745/754 looper letters, 58 selfloop transitions, 3 changer transitions 0/126 dead transitions. [2023-08-29 03:40:07,539 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 126 transitions, 386 flow [2023-08-29 03:40:07,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:40:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:40:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1120 transitions. [2023-08-29 03:40:07,542 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4951370468611848 [2023-08-29 03:40:07,542 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1120 transitions. [2023-08-29 03:40:07,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1120 transitions. [2023-08-29 03:40:07,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:07,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1120 transitions. [2023-08-29 03:40:07,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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 03:40:07,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 754.0) internal successors, (3016), 4 states have internal predecessors, (3016), 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 03:40:07,548 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 754.0) internal successors, (3016), 4 states have internal predecessors, (3016), 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 03:40:07,548 INFO L175 Difference]: Start difference. First operand has 116 places, 116 transitions, 240 flow. Second operand 3 states and 1120 transitions. [2023-08-29 03:40:07,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 126 transitions, 386 flow [2023-08-29 03:40:07,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 126 transitions, 385 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:40:07,550 INFO L231 Difference]: Finished difference. Result has 112 places, 113 transitions, 248 flow [2023-08-29 03:40:07,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=112, PETRI_TRANSITIONS=113} [2023-08-29 03:40:07,553 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -37 predicate places. [2023-08-29 03:40:07,553 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 113 transitions, 248 flow [2023-08-29 03:40:07,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 353.0) internal successors, (1059), 3 states have internal predecessors, (1059), 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 03:40:07,554 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:07,554 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:07,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:40:07,554 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:07,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash 870082046, now seen corresponding path program 1 times [2023-08-29 03:40:07,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:07,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422287772] [2023-08-29 03:40:07,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:07,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:07,670 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 03:40:07,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:07,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422287772] [2023-08-29 03:40:07,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422287772] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:07,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:07,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:40:07,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55943901] [2023-08-29 03:40:07,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:07,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 03:40:07,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:07,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 03:40:07,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 03:40:07,741 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 754 [2023-08-29 03:40:07,743 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 113 transitions, 248 flow. Second operand has 4 states, 4 states have (on average 362.25) internal successors, (1449), 4 states have internal predecessors, (1449), 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 03:40:07,743 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:07,743 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 754 [2023-08-29 03:40:07,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:08,329 INFO L130 PetriNetUnfolder]: 2435/5863 cut-off events. [2023-08-29 03:40:08,329 INFO L131 PetriNetUnfolder]: For 631/631 co-relation queries the response was YES. [2023-08-29 03:40:08,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9818 conditions, 5863 events. 2435/5863 cut-off events. For 631/631 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 51693 event pairs, 1411 based on Foata normal form. 0/4704 useless extension candidates. Maximal degree in co-relation 9814. Up to 3253 conditions per place. [2023-08-29 03:40:08,375 INFO L137 encePairwiseOnDemand]: 749/754 looper letters, 38 selfloop transitions, 2 changer transitions 3/117 dead transitions. [2023-08-29 03:40:08,375 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 117 transitions, 342 flow [2023-08-29 03:40:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 03:40:08,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 03:40:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1842 transitions. [2023-08-29 03:40:08,379 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48859416445623344 [2023-08-29 03:40:08,379 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1842 transitions. [2023-08-29 03:40:08,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1842 transitions. [2023-08-29 03:40:08,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:08,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1842 transitions. [2023-08-29 03:40:08,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 368.4) internal successors, (1842), 5 states have internal predecessors, (1842), 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 03:40:08,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 754.0) internal successors, (4524), 6 states have internal predecessors, (4524), 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 03:40:08,390 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 754.0) internal successors, (4524), 6 states have internal predecessors, (4524), 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 03:40:08,390 INFO L175 Difference]: Start difference. First operand has 112 places, 113 transitions, 248 flow. Second operand 5 states and 1842 transitions. [2023-08-29 03:40:08,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 117 transitions, 342 flow [2023-08-29 03:40:08,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 117 transitions, 342 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:40:08,392 INFO L231 Difference]: Finished difference. Result has 119 places, 114 transitions, 266 flow [2023-08-29 03:40:08,393 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=266, PETRI_PLACES=119, PETRI_TRANSITIONS=114} [2023-08-29 03:40:08,393 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -30 predicate places. [2023-08-29 03:40:08,393 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 114 transitions, 266 flow [2023-08-29 03:40:08,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 362.25) internal successors, (1449), 4 states have internal predecessors, (1449), 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 03:40:08,394 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:08,395 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:08,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:40:08,395 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:08,395 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:08,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1267659844, now seen corresponding path program 1 times [2023-08-29 03:40:08,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:08,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539723354] [2023-08-29 03:40:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:08,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:40:08,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:08,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539723354] [2023-08-29 03:40:08,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539723354] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:08,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:08,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:40:08,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273873246] [2023-08-29 03:40:08,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:08,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:40:08,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:08,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:40:08,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:40:08,948 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 754 [2023-08-29 03:40:08,950 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 114 transitions, 266 flow. Second operand has 6 states, 6 states have (on average 355.3333333333333) internal successors, (2132), 6 states have internal predecessors, (2132), 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 03:40:08,950 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:08,950 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 754 [2023-08-29 03:40:08,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:09,947 INFO L130 PetriNetUnfolder]: 6926/10837 cut-off events. [2023-08-29 03:40:09,947 INFO L131 PetriNetUnfolder]: For 1530/1530 co-relation queries the response was YES. [2023-08-29 03:40:09,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21521 conditions, 10837 events. 6926/10837 cut-off events. For 1530/1530 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 74670 event pairs, 786 based on Foata normal form. 0/9587 useless extension candidates. Maximal degree in co-relation 21513. Up to 3258 conditions per place. [2023-08-29 03:40:10,028 INFO L137 encePairwiseOnDemand]: 749/754 looper letters, 136 selfloop transitions, 4 changer transitions 0/209 dead transitions. [2023-08-29 03:40:10,029 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 209 transitions, 796 flow [2023-08-29 03:40:10,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:40:10,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:40:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2243 transitions. [2023-08-29 03:40:10,032 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4958001768346596 [2023-08-29 03:40:10,033 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2243 transitions. [2023-08-29 03:40:10,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2243 transitions. [2023-08-29 03:40:10,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:10,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2243 transitions. [2023-08-29 03:40:10,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 373.8333333333333) internal successors, (2243), 6 states have internal predecessors, (2243), 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 03:40:10,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:10,043 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:10,044 INFO L175 Difference]: Start difference. First operand has 119 places, 114 transitions, 266 flow. Second operand 6 states and 2243 transitions. [2023-08-29 03:40:10,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 209 transitions, 796 flow [2023-08-29 03:40:10,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 209 transitions, 786 flow, removed 4 selfloop flow, removed 3 redundant places. [2023-08-29 03:40:10,052 INFO L231 Difference]: Finished difference. Result has 118 places, 113 transitions, 262 flow [2023-08-29 03:40:10,052 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=262, PETRI_PLACES=118, PETRI_TRANSITIONS=113} [2023-08-29 03:40:10,054 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -31 predicate places. [2023-08-29 03:40:10,054 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 113 transitions, 262 flow [2023-08-29 03:40:10,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 355.3333333333333) internal successors, (2132), 6 states have internal predecessors, (2132), 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 03:40:10,055 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:10,056 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:10,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 03:40:10,056 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:10,056 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:10,056 INFO L85 PathProgramCache]: Analyzing trace with hash -186413662, now seen corresponding path program 1 times [2023-08-29 03:40:10,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:10,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341398263] [2023-08-29 03:40:10,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:10,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:40:10,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:10,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341398263] [2023-08-29 03:40:10,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341398263] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:10,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:10,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:40:10,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740190570] [2023-08-29 03:40:10,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:10,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:40:10,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:10,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:40:10,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:40:10,562 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 754 [2023-08-29 03:40:10,564 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 113 transitions, 262 flow. Second operand has 6 states, 6 states have (on average 348.0) internal successors, (2088), 6 states have internal predecessors, (2088), 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 03:40:10,564 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:10,564 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 754 [2023-08-29 03:40:10,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:11,421 INFO L130 PetriNetUnfolder]: 5203/9284 cut-off events. [2023-08-29 03:40:11,421 INFO L131 PetriNetUnfolder]: For 1692/1692 co-relation queries the response was YES. [2023-08-29 03:40:11,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18804 conditions, 9284 events. 5203/9284 cut-off events. For 1692/1692 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 72340 event pairs, 961 based on Foata normal form. 0/8274 useless extension candidates. Maximal degree in co-relation 18798. Up to 3502 conditions per place. [2023-08-29 03:40:11,493 INFO L137 encePairwiseOnDemand]: 747/754 looper letters, 125 selfloop transitions, 5 changer transitions 0/191 dead transitions. [2023-08-29 03:40:11,493 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 191 transitions, 710 flow [2023-08-29 03:40:11,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:40:11,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:40:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2204 transitions. [2023-08-29 03:40:11,498 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48717948717948717 [2023-08-29 03:40:11,498 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2204 transitions. [2023-08-29 03:40:11,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2204 transitions. [2023-08-29 03:40:11,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:11,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2204 transitions. [2023-08-29 03:40:11,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 367.3333333333333) internal successors, (2204), 6 states have internal predecessors, (2204), 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 03:40:11,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:11,507 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:11,507 INFO L175 Difference]: Start difference. First operand has 118 places, 113 transitions, 262 flow. Second operand 6 states and 2204 transitions. [2023-08-29 03:40:11,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 191 transitions, 710 flow [2023-08-29 03:40:11,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 191 transitions, 695 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:40:11,519 INFO L231 Difference]: Finished difference. Result has 117 places, 111 transitions, 261 flow [2023-08-29 03:40:11,520 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=261, PETRI_PLACES=117, PETRI_TRANSITIONS=111} [2023-08-29 03:40:11,520 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -32 predicate places. [2023-08-29 03:40:11,520 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 111 transitions, 261 flow [2023-08-29 03:40:11,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 348.0) internal successors, (2088), 6 states have internal predecessors, (2088), 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 03:40:11,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:11,530 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:11,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 03:40:11,530 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:11,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:11,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1217834929, now seen corresponding path program 1 times [2023-08-29 03:40:11,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:11,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880443146] [2023-08-29 03:40:11,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:11,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:40:11,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:11,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880443146] [2023-08-29 03:40:11,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880443146] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:40:11,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385458405] [2023-08-29 03:40:11,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:11,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:40:11,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:40:11,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:40:11,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 03:40:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:11,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-29 03:40:11,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:40:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:40:11,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:40:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:40:11,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385458405] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:40:11,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:40:11,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-08-29 03:40:11,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696135887] [2023-08-29 03:40:11,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:40:11,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 03:40:11,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:11,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 03:40:11,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-08-29 03:40:12,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 754 [2023-08-29 03:40:12,343 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 111 transitions, 261 flow. Second operand has 13 states, 13 states have (on average 351.46153846153845) internal successors, (4569), 13 states have internal predecessors, (4569), 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 03:40:12,343 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:12,343 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 754 [2023-08-29 03:40:12,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:13,107 INFO L130 PetriNetUnfolder]: 3429/7859 cut-off events. [2023-08-29 03:40:13,107 INFO L131 PetriNetUnfolder]: For 1055/1066 co-relation queries the response was YES. [2023-08-29 03:40:13,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13995 conditions, 7859 events. 3429/7859 cut-off events. For 1055/1066 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 71035 event pairs, 1592 based on Foata normal form. 153/7080 useless extension candidates. Maximal degree in co-relation 13989. Up to 2638 conditions per place. [2023-08-29 03:40:13,146 INFO L137 encePairwiseOnDemand]: 747/754 looper letters, 111 selfloop transitions, 7 changer transitions 0/188 dead transitions. [2023-08-29 03:40:13,146 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 188 transitions, 701 flow [2023-08-29 03:40:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 03:40:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 03:40:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2910 transitions. [2023-08-29 03:40:13,152 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4824270557029178 [2023-08-29 03:40:13,152 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2910 transitions. [2023-08-29 03:40:13,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2910 transitions. [2023-08-29 03:40:13,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:13,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2910 transitions. [2023-08-29 03:40:13,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 363.75) internal successors, (2910), 8 states have internal predecessors, (2910), 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 03:40:13,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 754.0) internal successors, (6786), 9 states have internal predecessors, (6786), 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 03:40:13,164 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 754.0) internal successors, (6786), 9 states have internal predecessors, (6786), 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 03:40:13,165 INFO L175 Difference]: Start difference. First operand has 117 places, 111 transitions, 261 flow. Second operand 8 states and 2910 transitions. [2023-08-29 03:40:13,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 188 transitions, 701 flow [2023-08-29 03:40:13,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 188 transitions, 685 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:40:13,167 INFO L231 Difference]: Finished difference. Result has 124 places, 116 transitions, 305 flow [2023-08-29 03:40:13,168 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=305, PETRI_PLACES=124, PETRI_TRANSITIONS=116} [2023-08-29 03:40:13,168 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -25 predicate places. [2023-08-29 03:40:13,168 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 116 transitions, 305 flow [2023-08-29 03:40:13,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 351.46153846153845) internal successors, (4569), 13 states have internal predecessors, (4569), 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 03:40:13,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:13,170 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:13,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-29 03:40:13,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:40:13,375 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:13,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:13,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1245136804, now seen corresponding path program 1 times [2023-08-29 03:40:13,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:13,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077280269] [2023-08-29 03:40:13,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:13,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:40:13,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:13,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077280269] [2023-08-29 03:40:13,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077280269] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:13,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:13,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:40:13,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399975388] [2023-08-29 03:40:13,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:13,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:40:13,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:13,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:40:13,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:40:13,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 754 [2023-08-29 03:40:13,421 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 116 transitions, 305 flow. Second operand has 3 states, 3 states have (on average 359.6666666666667) internal successors, (1079), 3 states have internal predecessors, (1079), 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 03:40:13,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:13,421 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 754 [2023-08-29 03:40:13,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:14,130 INFO L130 PetriNetUnfolder]: 4299/9886 cut-off events. [2023-08-29 03:40:14,130 INFO L131 PetriNetUnfolder]: For 2472/2634 co-relation queries the response was YES. [2023-08-29 03:40:14,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18194 conditions, 9886 events. 4299/9886 cut-off events. For 2472/2634 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 91265 event pairs, 2752 based on Foata normal form. 162/9065 useless extension candidates. Maximal degree in co-relation 18184. Up to 5878 conditions per place. [2023-08-29 03:40:14,210 INFO L137 encePairwiseOnDemand]: 750/754 looper letters, 45 selfloop transitions, 2 changer transitions 0/113 dead transitions. [2023-08-29 03:40:14,211 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 113 transitions, 393 flow [2023-08-29 03:40:14,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:40:14,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:40:14,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1113 transitions. [2023-08-29 03:40:14,213 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4920424403183024 [2023-08-29 03:40:14,214 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1113 transitions. [2023-08-29 03:40:14,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1113 transitions. [2023-08-29 03:40:14,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:14,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1113 transitions. [2023-08-29 03:40:14,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 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 03:40:14,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 754.0) internal successors, (3016), 4 states have internal predecessors, (3016), 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 03:40:14,219 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 754.0) internal successors, (3016), 4 states have internal predecessors, (3016), 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 03:40:14,219 INFO L175 Difference]: Start difference. First operand has 124 places, 116 transitions, 305 flow. Second operand 3 states and 1113 transitions. [2023-08-29 03:40:14,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 113 transitions, 393 flow [2023-08-29 03:40:14,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 113 transitions, 385 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-08-29 03:40:14,224 INFO L231 Difference]: Finished difference. Result has 122 places, 113 transitions, 295 flow [2023-08-29 03:40:14,225 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=295, PETRI_PLACES=122, PETRI_TRANSITIONS=113} [2023-08-29 03:40:14,225 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -27 predicate places. [2023-08-29 03:40:14,225 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 113 transitions, 295 flow [2023-08-29 03:40:14,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 359.6666666666667) internal successors, (1079), 3 states have internal predecessors, (1079), 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 03:40:14,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:14,226 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:14,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 03:40:14,226 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:14,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:14,226 INFO L85 PathProgramCache]: Analyzing trace with hash -665194317, now seen corresponding path program 2 times [2023-08-29 03:40:14,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:14,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906252177] [2023-08-29 03:40:14,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:14,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 03:40:14,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:14,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906252177] [2023-08-29 03:40:14,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906252177] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:14,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:14,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:40:14,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707243382] [2023-08-29 03:40:14,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:14,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:40:14,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:14,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:40:14,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:40:14,845 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 754 [2023-08-29 03:40:14,846 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 113 transitions, 295 flow. Second operand has 6 states, 6 states have (on average 348.3333333333333) internal successors, (2090), 6 states have internal predecessors, (2090), 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 03:40:14,846 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:14,846 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 754 [2023-08-29 03:40:14,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:16,075 INFO L130 PetriNetUnfolder]: 6543/12141 cut-off events. [2023-08-29 03:40:16,076 INFO L131 PetriNetUnfolder]: For 2417/2417 co-relation queries the response was YES. [2023-08-29 03:40:16,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23880 conditions, 12141 events. 6543/12141 cut-off events. For 2417/2417 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 103590 event pairs, 1722 based on Foata normal form. 0/10827 useless extension candidates. Maximal degree in co-relation 23869. Up to 3884 conditions per place. [2023-08-29 03:40:16,172 INFO L137 encePairwiseOnDemand]: 747/754 looper letters, 130 selfloop transitions, 5 changer transitions 0/191 dead transitions. [2023-08-29 03:40:16,173 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 191 transitions, 745 flow [2023-08-29 03:40:16,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:40:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:40:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2204 transitions. [2023-08-29 03:40:16,178 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48717948717948717 [2023-08-29 03:40:16,178 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2204 transitions. [2023-08-29 03:40:16,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2204 transitions. [2023-08-29 03:40:16,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:16,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2204 transitions. [2023-08-29 03:40:16,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 367.3333333333333) internal successors, (2204), 6 states have internal predecessors, (2204), 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 03:40:16,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:16,188 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:16,188 INFO L175 Difference]: Start difference. First operand has 122 places, 113 transitions, 295 flow. Second operand 6 states and 2204 transitions. [2023-08-29 03:40:16,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 191 transitions, 745 flow [2023-08-29 03:40:16,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 191 transitions, 743 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:40:16,193 INFO L231 Difference]: Finished difference. Result has 124 places, 111 transitions, 299 flow [2023-08-29 03:40:16,194 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=299, PETRI_PLACES=124, PETRI_TRANSITIONS=111} [2023-08-29 03:40:16,194 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -25 predicate places. [2023-08-29 03:40:16,194 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 111 transitions, 299 flow [2023-08-29 03:40:16,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 348.3333333333333) internal successors, (2090), 6 states have internal predecessors, (2090), 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 03:40:16,195 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:16,195 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:16,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 03:40:16,195 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:16,196 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:16,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1690781619, now seen corresponding path program 1 times [2023-08-29 03:40:16,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:16,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594236764] [2023-08-29 03:40:16,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:16,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:40:16,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:16,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594236764] [2023-08-29 03:40:16,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594236764] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:16,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:16,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:40:16,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526679150] [2023-08-29 03:40:16,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:16,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:40:16,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:16,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:40:16,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:40:16,854 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 754 [2023-08-29 03:40:16,856 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 111 transitions, 299 flow. Second operand has 6 states, 6 states have (on average 348.6666666666667) internal successors, (2092), 6 states have internal predecessors, (2092), 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 03:40:16,856 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:16,856 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 754 [2023-08-29 03:40:16,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:17,740 INFO L130 PetriNetUnfolder]: 5354/9195 cut-off events. [2023-08-29 03:40:17,741 INFO L131 PetriNetUnfolder]: For 3518/3737 co-relation queries the response was YES. [2023-08-29 03:40:17,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19918 conditions, 9195 events. 5354/9195 cut-off events. For 3518/3737 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 70724 event pairs, 1034 based on Foata normal form. 219/8501 useless extension candidates. Maximal degree in co-relation 19907. Up to 3620 conditions per place. [2023-08-29 03:40:17,787 INFO L137 encePairwiseOnDemand]: 747/754 looper letters, 118 selfloop transitions, 5 changer transitions 0/181 dead transitions. [2023-08-29 03:40:17,788 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 181 transitions, 745 flow [2023-08-29 03:40:17,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:40:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:40:17,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2189 transitions. [2023-08-29 03:40:17,795 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4838638373121132 [2023-08-29 03:40:17,795 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2189 transitions. [2023-08-29 03:40:17,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2189 transitions. [2023-08-29 03:40:17,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:17,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2189 transitions. [2023-08-29 03:40:17,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 364.8333333333333) internal successors, (2189), 6 states have internal predecessors, (2189), 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 03:40:17,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:17,803 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:17,803 INFO L175 Difference]: Start difference. First operand has 124 places, 111 transitions, 299 flow. Second operand 6 states and 2189 transitions. [2023-08-29 03:40:17,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 181 transitions, 745 flow [2023-08-29 03:40:17,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 181 transitions, 727 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:40:17,807 INFO L231 Difference]: Finished difference. Result has 122 places, 109 transitions, 295 flow [2023-08-29 03:40:17,807 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=295, PETRI_PLACES=122, PETRI_TRANSITIONS=109} [2023-08-29 03:40:17,807 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -27 predicate places. [2023-08-29 03:40:17,807 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 109 transitions, 295 flow [2023-08-29 03:40:17,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 348.6666666666667) internal successors, (2092), 6 states have internal predecessors, (2092), 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 03:40:17,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:17,808 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:17,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 03:40:17,808 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:17,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:17,809 INFO L85 PathProgramCache]: Analyzing trace with hash 547174113, now seen corresponding path program 1 times [2023-08-29 03:40:17,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:17,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327286953] [2023-08-29 03:40:17,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:17,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:40:17,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:17,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327286953] [2023-08-29 03:40:17,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327286953] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:40:17,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861660476] [2023-08-29 03:40:17,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:17,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:40:17,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:40:17,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:40:17,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 03:40:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:18,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-29 03:40:18,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:40:18,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:40:18,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:40:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:40:18,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861660476] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-29 03:40:18,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-29 03:40:18,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-08-29 03:40:18,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704402369] [2023-08-29 03:40:18,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:18,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 03:40:18,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:18,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 03:40:18,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 03:40:18,177 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 754 [2023-08-29 03:40:18,178 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 109 transitions, 295 flow. Second operand has 5 states, 5 states have (on average 354.8) internal successors, (1774), 5 states have internal predecessors, (1774), 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 03:40:18,178 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:18,178 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 754 [2023-08-29 03:40:18,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:18,692 INFO L130 PetriNetUnfolder]: 3283/7690 cut-off events. [2023-08-29 03:40:18,692 INFO L131 PetriNetUnfolder]: For 2289/2466 co-relation queries the response was YES. [2023-08-29 03:40:18,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14780 conditions, 7690 events. 3283/7690 cut-off events. For 2289/2466 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 66499 event pairs, 1274 based on Foata normal form. 306/7295 useless extension candidates. Maximal degree in co-relation 14769. Up to 2528 conditions per place. [2023-08-29 03:40:18,731 INFO L137 encePairwiseOnDemand]: 748/754 looper letters, 64 selfloop transitions, 5 changer transitions 0/133 dead transitions. [2023-08-29 03:40:18,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 133 transitions, 508 flow [2023-08-29 03:40:18,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 03:40:18,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 03:40:18,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1820 transitions. [2023-08-29 03:40:18,735 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4827586206896552 [2023-08-29 03:40:18,735 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1820 transitions. [2023-08-29 03:40:18,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1820 transitions. [2023-08-29 03:40:18,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:18,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1820 transitions. [2023-08-29 03:40:18,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 364.0) internal successors, (1820), 5 states have internal predecessors, (1820), 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 03:40:18,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 754.0) internal successors, (4524), 6 states have internal predecessors, (4524), 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 03:40:18,741 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 754.0) internal successors, (4524), 6 states have internal predecessors, (4524), 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 03:40:18,741 INFO L175 Difference]: Start difference. First operand has 122 places, 109 transitions, 295 flow. Second operand 5 states and 1820 transitions. [2023-08-29 03:40:18,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 133 transitions, 508 flow [2023-08-29 03:40:18,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 133 transitions, 494 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:40:18,748 INFO L231 Difference]: Finished difference. Result has 123 places, 110 transitions, 310 flow [2023-08-29 03:40:18,748 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=310, PETRI_PLACES=123, PETRI_TRANSITIONS=110} [2023-08-29 03:40:18,749 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -26 predicate places. [2023-08-29 03:40:18,749 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 110 transitions, 310 flow [2023-08-29 03:40:18,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 354.8) internal successors, (1774), 5 states have internal predecessors, (1774), 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 03:40:18,750 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:18,750 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:18,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-08-29 03:40:18,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-08-29 03:40:18,955 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:18,955 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:18,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1690057843, now seen corresponding path program 1 times [2023-08-29 03:40:18,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:18,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819558570] [2023-08-29 03:40:18,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:18,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 03:40:19,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:19,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819558570] [2023-08-29 03:40:19,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819558570] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:19,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:19,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:40:19,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036601774] [2023-08-29 03:40:19,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:19,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:40:19,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:19,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:40:19,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:40:19,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 754 [2023-08-29 03:40:19,514 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 110 transitions, 310 flow. Second operand has 6 states, 6 states have (on average 356.3333333333333) internal successors, (2138), 6 states have internal predecessors, (2138), 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 03:40:19,514 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:19,514 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 754 [2023-08-29 03:40:19,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:20,122 INFO L130 PetriNetUnfolder]: 3418/7255 cut-off events. [2023-08-29 03:40:20,123 INFO L131 PetriNetUnfolder]: For 4236/4672 co-relation queries the response was YES. [2023-08-29 03:40:20,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15304 conditions, 7255 events. 3418/7255 cut-off events. For 4236/4672 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 62023 event pairs, 1670 based on Foata normal form. 436/6795 useless extension candidates. Maximal degree in co-relation 15291. Up to 3637 conditions per place. [2023-08-29 03:40:20,158 INFO L137 encePairwiseOnDemand]: 749/754 looper letters, 109 selfloop transitions, 4 changer transitions 0/173 dead transitions. [2023-08-29 03:40:20,159 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 173 transitions, 706 flow [2023-08-29 03:40:20,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:40:20,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:40:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2219 transitions. [2023-08-29 03:40:20,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4904951370468612 [2023-08-29 03:40:20,163 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2219 transitions. [2023-08-29 03:40:20,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2219 transitions. [2023-08-29 03:40:20,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:20,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2219 transitions. [2023-08-29 03:40:20,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 369.8333333333333) internal successors, (2219), 6 states have internal predecessors, (2219), 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 03:40:20,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:20,170 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:20,170 INFO L175 Difference]: Start difference. First operand has 123 places, 110 transitions, 310 flow. Second operand 6 states and 2219 transitions. [2023-08-29 03:40:20,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 173 transitions, 706 flow [2023-08-29 03:40:20,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 173 transitions, 700 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 03:40:20,174 INFO L231 Difference]: Finished difference. Result has 124 places, 109 transitions, 310 flow [2023-08-29 03:40:20,174 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=310, PETRI_PLACES=124, PETRI_TRANSITIONS=109} [2023-08-29 03:40:20,174 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -25 predicate places. [2023-08-29 03:40:20,174 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 109 transitions, 310 flow [2023-08-29 03:40:20,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 356.3333333333333) internal successors, (2138), 6 states have internal predecessors, (2138), 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 03:40:20,175 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:40:20,175 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:20,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 03:40:20,175 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-08-29 03:40:20,176 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:40:20,176 INFO L85 PathProgramCache]: Analyzing trace with hash -555189283, now seen corresponding path program 1 times [2023-08-29 03:40:20,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:40:20,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873360396] [2023-08-29 03:40:20,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:40:20,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:40:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:40:20,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 03:40:20,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:40:20,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873360396] [2023-08-29 03:40:20,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873360396] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:40:20,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:40:20,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:40:20,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698477849] [2023-08-29 03:40:20,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:40:20,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:40:20,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:40:20,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:40:20,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:40:20,791 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 754 [2023-08-29 03:40:20,792 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 109 transitions, 310 flow. Second operand has 6 states, 6 states have (on average 356.8333333333333) internal successors, (2141), 6 states have internal predecessors, (2141), 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 03:40:20,792 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:40:20,792 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 754 [2023-08-29 03:40:20,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:40:21,406 INFO L130 PetriNetUnfolder]: 2914/6735 cut-off events. [2023-08-29 03:40:21,407 INFO L131 PetriNetUnfolder]: For 3582/3986 co-relation queries the response was YES. [2023-08-29 03:40:21,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13882 conditions, 6735 events. 2914/6735 cut-off events. For 3582/3986 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 59114 event pairs, 1788 based on Foata normal form. 404/6315 useless extension candidates. Maximal degree in co-relation 13869. Up to 3879 conditions per place. [2023-08-29 03:40:21,428 INFO L137 encePairwiseOnDemand]: 749/754 looper letters, 0 selfloop transitions, 0 changer transitions 144/144 dead transitions. [2023-08-29 03:40:21,428 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 144 transitions, 558 flow [2023-08-29 03:40:21,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:40:21,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:40:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2195 transitions. [2023-08-29 03:40:21,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48519009725906276 [2023-08-29 03:40:21,434 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2195 transitions. [2023-08-29 03:40:21,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2195 transitions. [2023-08-29 03:40:21,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:40:21,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2195 transitions. [2023-08-29 03:40:21,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 365.8333333333333) internal successors, (2195), 6 states have internal predecessors, (2195), 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 03:40:21,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:21,463 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 754.0) internal successors, (5278), 7 states have internal predecessors, (5278), 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 03:40:21,463 INFO L175 Difference]: Start difference. First operand has 124 places, 109 transitions, 310 flow. Second operand 6 states and 2195 transitions. [2023-08-29 03:40:21,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 144 transitions, 558 flow [2023-08-29 03:40:21,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 144 transitions, 551 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:40:21,478 INFO L231 Difference]: Finished difference. Result has 124 places, 0 transitions, 0 flow [2023-08-29 03:40:21,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=754, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=124, PETRI_TRANSITIONS=0} [2023-08-29 03:40:21,479 INFO L281 CegarLoopForPetriNet]: 149 programPoint places, -25 predicate places. [2023-08-29 03:40:21,479 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 0 transitions, 0 flow [2023-08-29 03:40:21,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 356.8333333333333) internal successors, (2141), 6 states have internal predecessors, (2141), 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 03:40:21,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (81 of 82 remaining) [2023-08-29 03:40:21,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (80 of 82 remaining) [2023-08-29 03:40:21,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (79 of 82 remaining) [2023-08-29 03:40:21,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (78 of 82 remaining) [2023-08-29 03:40:21,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (77 of 82 remaining) [2023-08-29 03:40:21,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (76 of 82 remaining) [2023-08-29 03:40:21,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (75 of 82 remaining) [2023-08-29 03:40:21,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (74 of 82 remaining) [2023-08-29 03:40:21,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (73 of 82 remaining) [2023-08-29 03:40:21,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (72 of 82 remaining) [2023-08-29 03:40:21,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (71 of 82 remaining) [2023-08-29 03:40:21,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 82 remaining) [2023-08-29 03:40:21,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 82 remaining) [2023-08-29 03:40:21,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (68 of 82 remaining) [2023-08-29 03:40:21,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (67 of 82 remaining) [2023-08-29 03:40:21,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (66 of 82 remaining) [2023-08-29 03:40:21,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (65 of 82 remaining) [2023-08-29 03:40:21,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (64 of 82 remaining) [2023-08-29 03:40:21,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 82 remaining) [2023-08-29 03:40:21,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (62 of 82 remaining) [2023-08-29 03:40:21,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (61 of 82 remaining) [2023-08-29 03:40:21,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (60 of 82 remaining) [2023-08-29 03:40:21,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (59 of 82 remaining) [2023-08-29 03:40:21,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (58 of 82 remaining) [2023-08-29 03:40:21,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 82 remaining) [2023-08-29 03:40:21,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 82 remaining) [2023-08-29 03:40:21,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (55 of 82 remaining) [2023-08-29 03:40:21,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 82 remaining) [2023-08-29 03:40:21,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (53 of 82 remaining) [2023-08-29 03:40:21,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (52 of 82 remaining) [2023-08-29 03:40:21,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (51 of 82 remaining) [2023-08-29 03:40:21,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 82 remaining) [2023-08-29 03:40:21,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 82 remaining) [2023-08-29 03:40:21,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (48 of 82 remaining) [2023-08-29 03:40:21,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (47 of 82 remaining) [2023-08-29 03:40:21,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (46 of 82 remaining) [2023-08-29 03:40:21,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 82 remaining) [2023-08-29 03:40:21,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (44 of 82 remaining) [2023-08-29 03:40:21,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (43 of 82 remaining) [2023-08-29 03:40:21,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 82 remaining) [2023-08-29 03:40:21,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (41 of 82 remaining) [2023-08-29 03:40:21,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (40 of 82 remaining) [2023-08-29 03:40:21,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (39 of 82 remaining) [2023-08-29 03:40:21,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (38 of 82 remaining) [2023-08-29 03:40:21,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (37 of 82 remaining) [2023-08-29 03:40:21,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (36 of 82 remaining) [2023-08-29 03:40:21,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (35 of 82 remaining) [2023-08-29 03:40:21,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (34 of 82 remaining) [2023-08-29 03:40:21,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 82 remaining) [2023-08-29 03:40:21,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 82 remaining) [2023-08-29 03:40:21,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 82 remaining) [2023-08-29 03:40:21,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 82 remaining) [2023-08-29 03:40:21,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 82 remaining) [2023-08-29 03:40:21,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 82 remaining) [2023-08-29 03:40:21,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 82 remaining) [2023-08-29 03:40:21,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 82 remaining) [2023-08-29 03:40:21,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 82 remaining) [2023-08-29 03:40:21,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 82 remaining) [2023-08-29 03:40:21,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 82 remaining) [2023-08-29 03:40:21,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 82 remaining) [2023-08-29 03:40:21,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (21 of 82 remaining) [2023-08-29 03:40:21,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 82 remaining) [2023-08-29 03:40:21,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 82 remaining) [2023-08-29 03:40:21,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 82 remaining) [2023-08-29 03:40:21,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 82 remaining) [2023-08-29 03:40:21,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 82 remaining) [2023-08-29 03:40:21,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 82 remaining) [2023-08-29 03:40:21,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 82 remaining) [2023-08-29 03:40:21,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 82 remaining) [2023-08-29 03:40:21,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (12 of 82 remaining) [2023-08-29 03:40:21,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 82 remaining) [2023-08-29 03:40:21,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 82 remaining) [2023-08-29 03:40:21,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 82 remaining) [2023-08-29 03:40:21,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 82 remaining) [2023-08-29 03:40:21,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 82 remaining) [2023-08-29 03:40:21,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 82 remaining) [2023-08-29 03:40:21,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 82 remaining) [2023-08-29 03:40:21,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 82 remaining) [2023-08-29 03:40:21,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 82 remaining) [2023-08-29 03:40:21,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 82 remaining) [2023-08-29 03:40:21,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 82 remaining) [2023-08-29 03:40:21,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 82 remaining) [2023-08-29 03:40:21,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 03:40:21,510 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:40:21,516 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:40:21,516 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:40:21,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:40:21 BasicIcfg [2023-08-29 03:40:21,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:40:21,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:40:21,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:40:21,520 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:40:21,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:39:55" (3/4) ... [2023-08-29 03:40:21,522 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:40:21,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:40:21,527 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:40:21,527 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:40:21,546 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-08-29 03:40:21,546 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:40:21,546 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:40:21,547 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:40:21,613 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:40:21,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:40:21,614 INFO L158 Benchmark]: Toolchain (without parser) took 27526.61ms. Allocated memory was 62.9MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 31.9MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 410.0MB. Max. memory is 16.1GB. [2023-08-29 03:40:21,614 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:40:21,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.22ms. Allocated memory is still 62.9MB. Free memory was 31.6MB in the beginning and 34.4MB in the end (delta: -2.8MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-08-29 03:40:21,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.37ms. Allocated memory is still 62.9MB. Free memory was 34.2MB in the beginning and 30.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:40:21,614 INFO L158 Benchmark]: Boogie Preprocessor took 61.42ms. Allocated memory is still 62.9MB. Free memory was 30.5MB in the beginning and 27.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:40:21,614 INFO L158 Benchmark]: RCFGBuilder took 859.05ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 26.7MB in the beginning and 38.4MB in the end (delta: -11.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-08-29 03:40:21,615 INFO L158 Benchmark]: TraceAbstraction took 26261.25ms. Allocated memory was 77.6MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 37.9MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-08-29 03:40:21,615 INFO L158 Benchmark]: Witness Printer took 93.75ms. Allocated memory is still 2.6GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:40:21,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.22ms. Allocated memory is still 62.9MB. Free memory was 31.6MB in the beginning and 34.4MB in the end (delta: -2.8MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.37ms. Allocated memory is still 62.9MB. Free memory was 34.2MB in the beginning and 30.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.42ms. Allocated memory is still 62.9MB. Free memory was 30.5MB in the beginning and 27.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 859.05ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 26.7MB in the beginning and 38.4MB in the end (delta: -11.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 26261.25ms. Allocated memory was 77.6MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 37.9MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 93.75ms. Allocated memory is still 2.6GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.1s, 374 PlacesBefore, 149 PlacesAfterwards, 389 TransitionsBefore, 155 TransitionsAfterwards, 27714 CoEnabledTransitionPairs, 8 FixpointIterations, 190 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 28 TrivialYvCompositions, 30 ConcurrentYvCompositions, 9 ChoiceCompositions, 345 TotalNumberOfCompositions, 197985 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37200, independent: 35273, independent conditional: 0, independent unconditional: 35273, dependent: 1927, dependent conditional: 0, dependent unconditional: 1927, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13388, independent: 13168, independent conditional: 0, independent unconditional: 13168, dependent: 220, dependent conditional: 0, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37200, independent: 22105, independent conditional: 0, independent unconditional: 22105, dependent: 1707, dependent conditional: 0, dependent unconditional: 1707, unknown: 13388, unknown conditional: 0, unknown unconditional: 13388] , Statistics on independence cache: Total cache size (in pairs): 2159, Positive cache size: 2033, Positive conditional cache size: 0, Positive unconditional cache size: 2033, Negative cache size: 126, Negative conditional cache size: 0, Negative unconditional cache size: 126, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 546 locations, 82 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: 26.1s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3089 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2028 mSDsluCounter, 878 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 634 mSDsCounter, 1024 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6068 IncrementalHoareTripleChecker+Invalid, 7092 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1024 mSolverCounterUnsat, 244 mSDtfsCounter, 6068 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 81 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=328occurred in iteration=0, InterpolantAutomatonStates: 68, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 303 NumberOfCodeBlocks, 303 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 326 ConstructedInterpolants, 0 QuantifiedInterpolants, 1110 SizeOfPredicates, 9 NumberOfNonLiveVariables, 506 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 14/19 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:40:21,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE