./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:09:04,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:09:04,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:09:04,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:09:04,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:09:04,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:09:04,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:09:04,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:09:04,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:09:04,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:09:04,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:09:04,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:09:04,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:09:04,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:09:04,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:09:04,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:09:04,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:09:04,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:09:04,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:09:04,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:09:04,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:09:04,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:09:04,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:09:04,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:09:04,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:09:04,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:09:04,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:09:04,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:09:04,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:09:04,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:09:04,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:09:04,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:09:04,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:09:04,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:09:04,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:09:04,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:09:04,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:09:04,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:09:04,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:09:04,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:09:04,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:09:04,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:09:04,197 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:09:04,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:09:04,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:09:04,199 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:09:04,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:09:04,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:09:04,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:09:04,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:09:04,200 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:09:04,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:09:04,201 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:09:04,201 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:09:04,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:09:04,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:09:04,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:09:04,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:09:04,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:09:04,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:09:04,203 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:09:04,203 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:09:04,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:09:04,203 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:09:04,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:09:04,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:09:04,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:09:04,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:09:04,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:09:04,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:09:04,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:09:04,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:09:04,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:09:04,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:09:04,205 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:09:04,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:09:04,205 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:09:04,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:09:04,206 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:09:04,206 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:09:04,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:09:04,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:09:04,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:09:04,498 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:09:04,498 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:09:04,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2023-08-29 01:09:05,614 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:09:05,856 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:09:05,856 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2023-08-29 01:09:05,882 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eef874155/328aa90bb35044ff9b1481bb7dae5de1/FLAGcc0b256a2 [2023-08-29 01:09:05,896 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eef874155/328aa90bb35044ff9b1481bb7dae5de1 [2023-08-29 01:09:05,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:09:05,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:09:05,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:09:05,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:09:05,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:09:05,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:09:05" (1/1) ... [2023-08-29 01:09:05,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17658c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:05, skipping insertion in model container [2023-08-29 01:09:05,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:09:05" (1/1) ... [2023-08-29 01:09:05,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:09:05,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:09:06,036 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 01:09:06,342 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022] [2023-08-29 01:09:06,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:09:06,393 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:09:06,401 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 01:09:06,439 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022] [2023-08-29 01:09:06,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:09:06,549 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:09:06,550 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:09:06,550 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:09:06,554 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:09:06,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06 WrapperNode [2023-08-29 01:09:06,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:09:06,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:09:06,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:09:06,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:09:06,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (1/1) ... [2023-08-29 01:09:06,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (1/1) ... [2023-08-29 01:09:06,627 INFO L138 Inliner]: procedures = 468, calls = 52, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 207 [2023-08-29 01:09:06,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:09:06,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:09:06,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:09:06,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:09:06,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (1/1) ... [2023-08-29 01:09:06,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (1/1) ... [2023-08-29 01:09:06,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (1/1) ... [2023-08-29 01:09:06,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (1/1) ... [2023-08-29 01:09:06,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (1/1) ... [2023-08-29 01:09:06,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (1/1) ... [2023-08-29 01:09:06,686 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (1/1) ... [2023-08-29 01:09:06,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (1/1) ... [2023-08-29 01:09:06,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:09:06,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:09:06,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:09:06,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:09:06,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (1/1) ... [2023-08-29 01:09:06,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:09:06,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:09:06,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:09:06,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:09:06,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 01:09:06,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:09:06,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 01:09:06,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:09:06,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:09:06,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:09:06,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:09:06,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:09:06,768 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-29 01:09:06,769 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-29 01:09:06,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:09:06,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:09:06,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:09:06,770 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:09:07,027 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:09:07,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:09:07,431 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:09:07,460 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:09:07,463 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 01:09:07,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:09:07 BoogieIcfgContainer [2023-08-29 01:09:07,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:09:07,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:09:07,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:09:07,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:09:07,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:09:05" (1/3) ... [2023-08-29 01:09:07,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4169a4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:09:07, skipping insertion in model container [2023-08-29 01:09:07,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:09:06" (2/3) ... [2023-08-29 01:09:07,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4169a4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:09:07, skipping insertion in model container [2023-08-29 01:09:07,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:09:07" (3/3) ... [2023-08-29 01:09:07,472 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2023-08-29 01:09:07,483 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:09:07,490 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:09:07,490 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-08-29 01:09:07,491 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:09:07,555 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:09:07,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 255 places, 257 transitions, 530 flow [2023-08-29 01:09:07,710 INFO L130 PetriNetUnfolder]: 10/327 cut-off events. [2023-08-29 01:09:07,710 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:09:07,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 327 events. 10/327 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 543 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 190. Up to 4 conditions per place. [2023-08-29 01:09:07,715 INFO L82 GeneralOperation]: Start removeDead. Operand has 255 places, 257 transitions, 530 flow [2023-08-29 01:09:07,725 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 253 places, 254 transitions, 520 flow [2023-08-29 01:09:07,728 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:09:07,741 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 254 transitions, 520 flow [2023-08-29 01:09:07,743 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 254 transitions, 520 flow [2023-08-29 01:09:07,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 253 places, 254 transitions, 520 flow [2023-08-29 01:09:07,807 INFO L130 PetriNetUnfolder]: 9/326 cut-off events. [2023-08-29 01:09:07,808 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:09:07,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 335 conditions, 326 events. 9/326 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 552 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 189. Up to 4 conditions per place. [2023-08-29 01:09:07,811 INFO L119 LiptonReduction]: Number of co-enabled transitions 5460 [2023-08-29 01:09:35,395 WARN L222 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 176 DAG size of output: 174 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:09:44,362 WARN L222 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 202 DAG size of output: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:09:52,738 WARN L222 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 211 DAG size of output: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:10:01,896 WARN L222 SmtUtils]: Spent 8.14s on a formula simplification. DAG size of input: 220 DAG size of output: 213 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:10:10,586 WARN L222 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 229 DAG size of output: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:10:15,267 INFO L134 LiptonReduction]: Checked pairs total: 36179 [2023-08-29 01:10:15,267 INFO L136 LiptonReduction]: Total number of compositions: 242 [2023-08-29 01:10:15,282 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:10:15,286 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;@77059a3d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:10:15,286 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-08-29 01:10:15,290 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:10:15,290 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:10:15,290 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:15,291 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:10:15,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:15,298 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:15,298 INFO L85 PathProgramCache]: Analyzing trace with hash 877, now seen corresponding path program 1 times [2023-08-29 01:10:15,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:15,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283702214] [2023-08-29 01:10:15,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:15,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:15,494 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 01:10:15,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:15,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283702214] [2023-08-29 01:10:15,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283702214] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:15,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:15,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:10:15,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065991180] [2023-08-29 01:10:15,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:15,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:10:15,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:15,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:10:15,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:10:15,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 499 [2023-08-29 01:10:15,526 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 172 flow. Second operand has 2 states, 2 states have (on average 229.5) internal successors, (459), 2 states have internal predecessors, (459), 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 01:10:15,527 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:15,527 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 499 [2023-08-29 01:10:15,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:15,786 INFO L130 PetriNetUnfolder]: 591/1592 cut-off events. [2023-08-29 01:10:15,787 INFO L131 PetriNetUnfolder]: For 36/59 co-relation queries the response was YES. [2023-08-29 01:10:15,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2609 conditions, 1592 events. 591/1592 cut-off events. For 36/59 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 10091 event pairs, 590 based on Foata normal form. 62/1556 useless extension candidates. Maximal degree in co-relation 2441. Up to 993 conditions per place. [2023-08-29 01:10:15,796 INFO L137 encePairwiseOnDemand]: 484/499 looper letters, 29 selfloop transitions, 0 changer transitions 0/64 dead transitions. [2023-08-29 01:10:15,796 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 64 transitions, 198 flow [2023-08-29 01:10:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:10:15,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:10:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 502 transitions. [2023-08-29 01:10:15,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.503006012024048 [2023-08-29 01:10:15,810 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 502 transitions. [2023-08-29 01:10:15,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 502 transitions. [2023-08-29 01:10:15,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:15,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 502 transitions. [2023-08-29 01:10:15,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 251.0) internal successors, (502), 2 states have internal predecessors, (502), 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 01:10:15,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 499.0) internal successors, (1497), 3 states have internal predecessors, (1497), 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 01:10:15,822 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 499.0) internal successors, (1497), 3 states have internal predecessors, (1497), 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 01:10:15,824 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 172 flow. Second operand 2 states and 502 transitions. [2023-08-29 01:10:15,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 64 transitions, 198 flow [2023-08-29 01:10:15,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 64 transitions, 190 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 01:10:15,829 INFO L231 Difference]: Finished difference. Result has 66 places, 64 transitions, 132 flow [2023-08-29 01:10:15,831 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=132, PETRI_PLACES=66, PETRI_TRANSITIONS=64} [2023-08-29 01:10:15,833 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -17 predicate places. [2023-08-29 01:10:15,833 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 132 flow [2023-08-29 01:10:15,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 229.5) internal successors, (459), 2 states have internal predecessors, (459), 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 01:10:15,834 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:15,835 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 01:10:15,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:10:15,835 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:15,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:15,845 INFO L85 PathProgramCache]: Analyzing trace with hash 27033388, now seen corresponding path program 1 times [2023-08-29 01:10:15,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:15,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38012952] [2023-08-29 01:10:15,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:15,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:16,016 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 01:10:16,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:16,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38012952] [2023-08-29 01:10:16,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38012952] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:16,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:16,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:10:16,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042744216] [2023-08-29 01:10:16,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:16,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:10:16,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:16,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:10:16,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:10:16,037 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 499 [2023-08-29 01:10:16,038 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 64 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 01:10:16,038 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:16,038 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 499 [2023-08-29 01:10:16,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:16,248 INFO L130 PetriNetUnfolder]: 590/1105 cut-off events. [2023-08-29 01:10:16,248 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 01:10:16,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2113 conditions, 1105 events. 590/1105 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 5626 event pairs, 215 based on Foata normal form. 0/1006 useless extension candidates. Maximal degree in co-relation 2110. Up to 976 conditions per place. [2023-08-29 01:10:16,252 INFO L137 encePairwiseOnDemand]: 495/499 looper letters, 38 selfloop transitions, 2 changer transitions 2/75 dead transitions. [2023-08-29 01:10:16,252 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 75 transitions, 239 flow [2023-08-29 01:10:16,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:10:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:10:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions. [2023-08-29 01:10:16,254 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4742818971275885 [2023-08-29 01:10:16,254 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 710 transitions. [2023-08-29 01:10:16,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 710 transitions. [2023-08-29 01:10:16,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:16,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 710 transitions. [2023-08-29 01:10:16,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 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 01:10:16,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 499.0) internal successors, (1996), 4 states have internal predecessors, (1996), 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 01:10:16,259 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 499.0) internal successors, (1996), 4 states have internal predecessors, (1996), 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 01:10:16,259 INFO L175 Difference]: Start difference. First operand has 66 places, 64 transitions, 132 flow. Second operand 3 states and 710 transitions. [2023-08-29 01:10:16,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 75 transitions, 239 flow [2023-08-29 01:10:16,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 75 transitions, 239 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:10:16,269 INFO L231 Difference]: Finished difference. Result has 67 places, 63 transitions, 140 flow [2023-08-29 01:10:16,269 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=67, PETRI_TRANSITIONS=63} [2023-08-29 01:10:16,270 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -16 predicate places. [2023-08-29 01:10:16,270 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 63 transitions, 140 flow [2023-08-29 01:10:16,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 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 01:10:16,271 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:16,271 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:16,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:10:16,271 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:16,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:16,271 INFO L85 PathProgramCache]: Analyzing trace with hash 817220155, now seen corresponding path program 1 times [2023-08-29 01:10:16,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:16,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239022417] [2023-08-29 01:10:16,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:16,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:16,561 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 01:10:16,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:16,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239022417] [2023-08-29 01:10:16,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239022417] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:16,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:16,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:10:16,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349408764] [2023-08-29 01:10:16,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:16,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:10:16,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:16,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:10:16,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:10:16,843 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 499 [2023-08-29 01:10:16,844 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 63 transitions, 140 flow. Second operand has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 6 states have internal predecessors, (1111), 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 01:10:16,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:16,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 499 [2023-08-29 01:10:16,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:17,396 INFO L130 PetriNetUnfolder]: 1480/2865 cut-off events. [2023-08-29 01:10:17,396 INFO L131 PetriNetUnfolder]: For 290/290 co-relation queries the response was YES. [2023-08-29 01:10:17,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5668 conditions, 2865 events. 1480/2865 cut-off events. For 290/290 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 15859 event pairs, 1035 based on Foata normal form. 0/2770 useless extension candidates. Maximal degree in co-relation 5664. Up to 2213 conditions per place. [2023-08-29 01:10:17,404 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 69 selfloop transitions, 30 changer transitions 0/115 dead transitions. [2023-08-29 01:10:17,405 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 115 transitions, 482 flow [2023-08-29 01:10:17,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:10:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:10:17,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1194 transitions. [2023-08-29 01:10:17,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39879759519038077 [2023-08-29 01:10:17,407 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1194 transitions. [2023-08-29 01:10:17,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1194 transitions. [2023-08-29 01:10:17,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:17,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1194 transitions. [2023-08-29 01:10:17,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 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 01:10:17,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 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 01:10:17,414 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 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 01:10:17,414 INFO L175 Difference]: Start difference. First operand has 67 places, 63 transitions, 140 flow. Second operand 6 states and 1194 transitions. [2023-08-29 01:10:17,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 115 transitions, 482 flow [2023-08-29 01:10:17,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 115 transitions, 482 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:10:17,416 INFO L231 Difference]: Finished difference. Result has 75 places, 91 transitions, 311 flow [2023-08-29 01:10:17,417 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=311, PETRI_PLACES=75, PETRI_TRANSITIONS=91} [2023-08-29 01:10:17,417 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -8 predicate places. [2023-08-29 01:10:17,417 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 91 transitions, 311 flow [2023-08-29 01:10:17,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 6 states have internal predecessors, (1111), 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 01:10:17,418 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:17,418 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:17,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:10:17,418 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:17,419 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:17,419 INFO L85 PathProgramCache]: Analyzing trace with hash 178820276, now seen corresponding path program 1 times [2023-08-29 01:10:17,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:17,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091137144] [2023-08-29 01:10:17,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:17,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:17,507 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 01:10:17,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:17,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091137144] [2023-08-29 01:10:17,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091137144] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:17,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:17,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:10:17,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557367581] [2023-08-29 01:10:17,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:17,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:10:17,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:17,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:10:17,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:10:17,516 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 499 [2023-08-29 01:10:17,517 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 91 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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 01:10:17,517 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:17,517 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 499 [2023-08-29 01:10:17,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:17,807 INFO L130 PetriNetUnfolder]: 833/2066 cut-off events. [2023-08-29 01:10:17,808 INFO L131 PetriNetUnfolder]: For 470/494 co-relation queries the response was YES. [2023-08-29 01:10:17,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4683 conditions, 2066 events. 833/2066 cut-off events. For 470/494 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 13016 event pairs, 557 based on Foata normal form. 0/1984 useless extension candidates. Maximal degree in co-relation 4674. Up to 1238 conditions per place. [2023-08-29 01:10:17,815 INFO L137 encePairwiseOnDemand]: 496/499 looper letters, 54 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2023-08-29 01:10:17,815 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 92 transitions, 425 flow [2023-08-29 01:10:17,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:10:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:10:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 708 transitions. [2023-08-29 01:10:17,818 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4729458917835671 [2023-08-29 01:10:17,818 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 708 transitions. [2023-08-29 01:10:17,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 708 transitions. [2023-08-29 01:10:17,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:17,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 708 transitions. [2023-08-29 01:10:17,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 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 01:10:17,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 499.0) internal successors, (1996), 4 states have internal predecessors, (1996), 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 01:10:17,822 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 499.0) internal successors, (1996), 4 states have internal predecessors, (1996), 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 01:10:17,822 INFO L175 Difference]: Start difference. First operand has 75 places, 91 transitions, 311 flow. Second operand 3 states and 708 transitions. [2023-08-29 01:10:17,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 92 transitions, 425 flow [2023-08-29 01:10:17,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 92 transitions, 425 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:10:17,826 INFO L231 Difference]: Finished difference. Result has 78 places, 92 transitions, 323 flow [2023-08-29 01:10:17,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=78, PETRI_TRANSITIONS=92} [2023-08-29 01:10:17,827 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -5 predicate places. [2023-08-29 01:10:17,827 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 92 transitions, 323 flow [2023-08-29 01:10:17,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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 01:10:17,828 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:17,828 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:17,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:10:17,828 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:17,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:17,829 INFO L85 PathProgramCache]: Analyzing trace with hash 710884942, now seen corresponding path program 1 times [2023-08-29 01:10:17,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:17,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981530885] [2023-08-29 01:10:17,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:17,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:18,067 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 01:10:18,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:18,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981530885] [2023-08-29 01:10:18,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981530885] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:18,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:18,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:10:18,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139505528] [2023-08-29 01:10:18,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:18,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:10:18,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:18,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:10:18,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:10:18,399 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 499 [2023-08-29 01:10:18,400 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 92 transitions, 323 flow. Second operand has 6 states, 6 states have (on average 207.83333333333334) internal successors, (1247), 6 states have internal predecessors, (1247), 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 01:10:18,400 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:18,400 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 499 [2023-08-29 01:10:18,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:19,113 INFO L130 PetriNetUnfolder]: 1719/3403 cut-off events. [2023-08-29 01:10:19,113 INFO L131 PetriNetUnfolder]: For 945/946 co-relation queries the response was YES. [2023-08-29 01:10:19,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8460 conditions, 3403 events. 1719/3403 cut-off events. For 945/946 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 20200 event pairs, 966 based on Foata normal form. 1/3330 useless extension candidates. Maximal degree in co-relation 8449. Up to 2443 conditions per place. [2023-08-29 01:10:19,154 INFO L137 encePairwiseOnDemand]: 488/499 looper letters, 108 selfloop transitions, 22 changer transitions 0/149 dead transitions. [2023-08-29 01:10:19,154 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 149 transitions, 790 flow [2023-08-29 01:10:19,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:10:19,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:10:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1328 transitions. [2023-08-29 01:10:19,158 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44355377421509684 [2023-08-29 01:10:19,158 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1328 transitions. [2023-08-29 01:10:19,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1328 transitions. [2023-08-29 01:10:19,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:19,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1328 transitions. [2023-08-29 01:10:19,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 221.33333333333334) internal successors, (1328), 6 states have internal predecessors, (1328), 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 01:10:19,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 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 01:10:19,165 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 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 01:10:19,165 INFO L175 Difference]: Start difference. First operand has 78 places, 92 transitions, 323 flow. Second operand 6 states and 1328 transitions. [2023-08-29 01:10:19,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 149 transitions, 790 flow [2023-08-29 01:10:19,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 149 transitions, 788 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:10:19,170 INFO L231 Difference]: Finished difference. Result has 87 places, 113 transitions, 506 flow [2023-08-29 01:10:19,170 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=506, PETRI_PLACES=87, PETRI_TRANSITIONS=113} [2023-08-29 01:10:19,172 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 4 predicate places. [2023-08-29 01:10:19,172 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 113 transitions, 506 flow [2023-08-29 01:10:19,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 207.83333333333334) internal successors, (1247), 6 states have internal predecessors, (1247), 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 01:10:19,173 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:19,173 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:19,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:10:19,173 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:19,174 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:19,174 INFO L85 PathProgramCache]: Analyzing trace with hash 139389378, now seen corresponding path program 1 times [2023-08-29 01:10:19,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:19,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559356036] [2023-08-29 01:10:19,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:19,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:19,442 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 01:10:19,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:19,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559356036] [2023-08-29 01:10:19,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559356036] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:19,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:19,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:10:19,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903888477] [2023-08-29 01:10:19,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:19,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:10:19,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:19,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:10:19,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:10:19,724 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 499 [2023-08-29 01:10:19,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 113 transitions, 506 flow. Second operand has 6 states, 6 states have (on average 185.5) internal successors, (1113), 6 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 01:10:19,726 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:19,726 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 499 [2023-08-29 01:10:19,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:20,520 INFO L130 PetriNetUnfolder]: 2018/3760 cut-off events. [2023-08-29 01:10:20,520 INFO L131 PetriNetUnfolder]: For 2445/2445 co-relation queries the response was YES. [2023-08-29 01:10:20,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10847 conditions, 3760 events. 2018/3760 cut-off events. For 2445/2445 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 21249 event pairs, 1122 based on Foata normal form. 0/3679 useless extension candidates. Maximal degree in co-relation 10832. Up to 2942 conditions per place. [2023-08-29 01:10:20,536 INFO L137 encePairwiseOnDemand]: 487/499 looper letters, 116 selfloop transitions, 29 changer transitions 0/165 dead transitions. [2023-08-29 01:10:20,536 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 165 transitions, 1020 flow [2023-08-29 01:10:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:10:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:10:20,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1194 transitions. [2023-08-29 01:10:20,539 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39879759519038077 [2023-08-29 01:10:20,539 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1194 transitions. [2023-08-29 01:10:20,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1194 transitions. [2023-08-29 01:10:20,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:20,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1194 transitions. [2023-08-29 01:10:20,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 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 01:10:20,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 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 01:10:20,545 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 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 01:10:20,545 INFO L175 Difference]: Start difference. First operand has 87 places, 113 transitions, 506 flow. Second operand 6 states and 1194 transitions. [2023-08-29 01:10:20,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 165 transitions, 1020 flow [2023-08-29 01:10:20,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 165 transitions, 1020 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:10:20,550 INFO L231 Difference]: Finished difference. Result has 96 places, 141 transitions, 754 flow [2023-08-29 01:10:20,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=754, PETRI_PLACES=96, PETRI_TRANSITIONS=141} [2023-08-29 01:10:20,551 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 13 predicate places. [2023-08-29 01:10:20,551 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 141 transitions, 754 flow [2023-08-29 01:10:20,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.5) internal successors, (1113), 6 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 01:10:20,552 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:20,552 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:20,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:10:20,552 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:20,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:20,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1874382264, now seen corresponding path program 1 times [2023-08-29 01:10:20,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:20,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859575853] [2023-08-29 01:10:20,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:20,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:20,600 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 01:10:20,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:20,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859575853] [2023-08-29 01:10:20,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859575853] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:20,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:20,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 01:10:20,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386975807] [2023-08-29 01:10:20,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:20,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:10:20,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:20,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:10:20,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:10:20,607 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 499 [2023-08-29 01:10:20,608 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 141 transitions, 754 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 01:10:20,608 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:20,608 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 499 [2023-08-29 01:10:20,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:20,838 INFO L130 PetriNetUnfolder]: 443/971 cut-off events. [2023-08-29 01:10:20,838 INFO L131 PetriNetUnfolder]: For 1200/1408 co-relation queries the response was YES. [2023-08-29 01:10:20,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3214 conditions, 971 events. 443/971 cut-off events. For 1200/1408 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5015 event pairs, 199 based on Foata normal form. 0/931 useless extension candidates. Maximal degree in co-relation 3194. Up to 593 conditions per place. [2023-08-29 01:10:20,845 INFO L137 encePairwiseOnDemand]: 496/499 looper letters, 57 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2023-08-29 01:10:20,845 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 94 transitions, 574 flow [2023-08-29 01:10:20,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:10:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:10:20,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2023-08-29 01:10:20,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4789579158316633 [2023-08-29 01:10:20,852 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 717 transitions. [2023-08-29 01:10:20,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 717 transitions. [2023-08-29 01:10:20,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:20,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 717 transitions. [2023-08-29 01:10:20,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 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 01:10:20,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 499.0) internal successors, (1996), 4 states have internal predecessors, (1996), 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 01:10:20,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 499.0) internal successors, (1996), 4 states have internal predecessors, (1996), 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 01:10:20,857 INFO L175 Difference]: Start difference. First operand has 96 places, 141 transitions, 754 flow. Second operand 3 states and 717 transitions. [2023-08-29 01:10:20,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 94 transitions, 574 flow [2023-08-29 01:10:20,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 94 transitions, 538 flow, removed 0 selfloop flow, removed 16 redundant places. [2023-08-29 01:10:20,862 INFO L231 Difference]: Finished difference. Result has 80 places, 82 transitions, 358 flow [2023-08-29 01:10:20,862 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=80, PETRI_TRANSITIONS=82} [2023-08-29 01:10:20,862 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -3 predicate places. [2023-08-29 01:10:20,863 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 82 transitions, 358 flow [2023-08-29 01:10:20,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 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 01:10:20,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:20,863 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:20,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:10:20,864 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:20,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:20,864 INFO L85 PathProgramCache]: Analyzing trace with hash -736144351, now seen corresponding path program 1 times [2023-08-29 01:10:20,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:20,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581909560] [2023-08-29 01:10:20,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:20,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:21,257 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 01:10:21,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:21,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581909560] [2023-08-29 01:10:21,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581909560] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:21,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:21,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:10:21,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727079415] [2023-08-29 01:10:21,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:21,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:10:21,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:21,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:10:21,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:10:21,831 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:10:21,833 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 82 transitions, 358 flow. Second operand has 9 states, 9 states have (on average 200.55555555555554) internal successors, (1805), 9 states have internal predecessors, (1805), 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 01:10:21,833 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:21,833 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:10:21,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:22,762 INFO L130 PetriNetUnfolder]: 873/1626 cut-off events. [2023-08-29 01:10:22,762 INFO L131 PetriNetUnfolder]: For 1807/1807 co-relation queries the response was YES. [2023-08-29 01:10:22,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5735 conditions, 1626 events. 873/1626 cut-off events. For 1807/1807 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 8119 event pairs, 69 based on Foata normal form. 18/1629 useless extension candidates. Maximal degree in co-relation 5722. Up to 671 conditions per place. [2023-08-29 01:10:22,772 INFO L137 encePairwiseOnDemand]: 487/499 looper letters, 128 selfloop transitions, 35 changer transitions 0/180 dead transitions. [2023-08-29 01:10:22,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 180 transitions, 1225 flow [2023-08-29 01:10:22,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:22,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:22,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1906 transitions. [2023-08-29 01:10:22,800 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4244043642841238 [2023-08-29 01:10:22,801 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1906 transitions. [2023-08-29 01:10:22,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1906 transitions. [2023-08-29 01:10:22,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:22,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1906 transitions. [2023-08-29 01:10:22,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 211.77777777777777) internal successors, (1906), 9 states have internal predecessors, (1906), 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 01:10:22,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:22,812 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:22,812 INFO L175 Difference]: Start difference. First operand has 80 places, 82 transitions, 358 flow. Second operand 9 states and 1906 transitions. [2023-08-29 01:10:22,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 180 transitions, 1225 flow [2023-08-29 01:10:22,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 180 transitions, 1209 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-08-29 01:10:22,819 INFO L231 Difference]: Finished difference. Result has 91 places, 115 transitions, 752 flow [2023-08-29 01:10:22,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=752, PETRI_PLACES=91, PETRI_TRANSITIONS=115} [2023-08-29 01:10:22,825 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 8 predicate places. [2023-08-29 01:10:22,825 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 115 transitions, 752 flow [2023-08-29 01:10:22,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 200.55555555555554) internal successors, (1805), 9 states have internal predecessors, (1805), 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 01:10:22,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:22,826 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:22,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:10:22,827 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:22,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:22,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1735156617, now seen corresponding path program 2 times [2023-08-29 01:10:22,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:22,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051479673] [2023-08-29 01:10:22,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:22,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:23,200 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 01:10:23,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:23,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051479673] [2023-08-29 01:10:23,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051479673] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:23,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:23,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:23,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287687346] [2023-08-29 01:10:23,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:23,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:23,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:23,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:23,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:23,889 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:10:23,891 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 115 transitions, 752 flow. Second operand has 10 states, 10 states have (on average 200.4) internal successors, (2004), 10 states have internal predecessors, (2004), 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 01:10:23,891 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:23,891 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:10:23,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:24,908 INFO L130 PetriNetUnfolder]: 966/1895 cut-off events. [2023-08-29 01:10:24,909 INFO L131 PetriNetUnfolder]: For 3800/3800 co-relation queries the response was YES. [2023-08-29 01:10:24,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7495 conditions, 1895 events. 966/1895 cut-off events. For 3800/3800 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 10190 event pairs, 253 based on Foata normal form. 18/1885 useless extension candidates. Maximal degree in co-relation 7477. Up to 1081 conditions per place. [2023-08-29 01:10:24,919 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 105 selfloop transitions, 52 changer transitions 0/174 dead transitions. [2023-08-29 01:10:24,920 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 174 transitions, 1406 flow [2023-08-29 01:10:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:10:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:10:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1698 transitions. [2023-08-29 01:10:24,924 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4253507014028056 [2023-08-29 01:10:24,924 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1698 transitions. [2023-08-29 01:10:24,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1698 transitions. [2023-08-29 01:10:24,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:24,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1698 transitions. [2023-08-29 01:10:24,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 212.25) internal successors, (1698), 8 states have internal predecessors, (1698), 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 01:10:24,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 499.0) internal successors, (4491), 9 states have internal predecessors, (4491), 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 01:10:24,933 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 499.0) internal successors, (4491), 9 states have internal predecessors, (4491), 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 01:10:24,933 INFO L175 Difference]: Start difference. First operand has 91 places, 115 transitions, 752 flow. Second operand 8 states and 1698 transitions. [2023-08-29 01:10:24,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 174 transitions, 1406 flow [2023-08-29 01:10:24,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 174 transitions, 1404 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:10:24,944 INFO L231 Difference]: Finished difference. Result has 100 places, 129 transitions, 1089 flow [2023-08-29 01:10:24,944 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1089, PETRI_PLACES=100, PETRI_TRANSITIONS=129} [2023-08-29 01:10:24,945 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 17 predicate places. [2023-08-29 01:10:24,945 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 129 transitions, 1089 flow [2023-08-29 01:10:24,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 200.4) internal successors, (2004), 10 states have internal predecessors, (2004), 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 01:10:24,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:24,946 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:24,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:10:24,947 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:24,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:24,947 INFO L85 PathProgramCache]: Analyzing trace with hash 972135317, now seen corresponding path program 3 times [2023-08-29 01:10:24,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:24,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470862879] [2023-08-29 01:10:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:24,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:25,270 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 01:10:25,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:25,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470862879] [2023-08-29 01:10:25,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470862879] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:25,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:25,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:25,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594891385] [2023-08-29 01:10:25,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:25,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:25,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:25,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:25,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:26,058 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:10:26,059 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 129 transitions, 1089 flow. Second operand has 10 states, 10 states have (on average 200.4) internal successors, (2004), 10 states have internal predecessors, (2004), 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 01:10:26,059 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:26,059 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:10:26,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:27,784 INFO L130 PetriNetUnfolder]: 1195/2393 cut-off events. [2023-08-29 01:10:27,784 INFO L131 PetriNetUnfolder]: For 8180/8180 co-relation queries the response was YES. [2023-08-29 01:10:27,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10444 conditions, 2393 events. 1195/2393 cut-off events. For 8180/8180 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 13968 event pairs, 253 based on Foata normal form. 18/2371 useless extension candidates. Maximal degree in co-relation 10423. Up to 1028 conditions per place. [2023-08-29 01:10:27,800 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 120 selfloop transitions, 90 changer transitions 0/227 dead transitions. [2023-08-29 01:10:27,800 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 227 transitions, 2363 flow [2023-08-29 01:10:27,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:27,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1908 transitions. [2023-08-29 01:10:27,807 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4248496993987976 [2023-08-29 01:10:27,807 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1908 transitions. [2023-08-29 01:10:27,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1908 transitions. [2023-08-29 01:10:27,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:27,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1908 transitions. [2023-08-29 01:10:27,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 212.0) internal successors, (1908), 9 states have internal predecessors, (1908), 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 01:10:27,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:27,826 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:27,826 INFO L175 Difference]: Start difference. First operand has 100 places, 129 transitions, 1089 flow. Second operand 9 states and 1908 transitions. [2023-08-29 01:10:27,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 227 transitions, 2363 flow [2023-08-29 01:10:27,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 227 transitions, 2304 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-08-29 01:10:27,849 INFO L231 Difference]: Finished difference. Result has 110 places, 176 transitions, 1940 flow [2023-08-29 01:10:27,850 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1940, PETRI_PLACES=110, PETRI_TRANSITIONS=176} [2023-08-29 01:10:27,850 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 27 predicate places. [2023-08-29 01:10:27,850 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 176 transitions, 1940 flow [2023-08-29 01:10:27,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 200.4) internal successors, (2004), 10 states have internal predecessors, (2004), 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 01:10:27,851 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:27,851 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:27,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:10:27,851 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:27,852 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:27,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1728964677, now seen corresponding path program 4 times [2023-08-29 01:10:27,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:27,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294821398] [2023-08-29 01:10:27,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:27,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:28,169 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 01:10:28,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:28,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294821398] [2023-08-29 01:10:28,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294821398] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:28,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:28,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:28,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803685145] [2023-08-29 01:10:28,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:28,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:28,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:28,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:28,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:28,916 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:10:28,917 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 176 transitions, 1940 flow. Second operand has 10 states, 10 states have (on average 200.4) internal successors, (2004), 10 states have internal predecessors, (2004), 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 01:10:28,917 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:28,917 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:10:28,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:30,441 INFO L130 PetriNetUnfolder]: 1326/2724 cut-off events. [2023-08-29 01:10:30,441 INFO L131 PetriNetUnfolder]: For 13359/13359 co-relation queries the response was YES. [2023-08-29 01:10:30,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13167 conditions, 2724 events. 1326/2724 cut-off events. For 13359/13359 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 16816 event pairs, 379 based on Foata normal form. 18/2690 useless extension candidates. Maximal degree in co-relation 13140. Up to 1451 conditions per place. [2023-08-29 01:10:30,456 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 128 selfloop transitions, 100 changer transitions 0/245 dead transitions. [2023-08-29 01:10:30,456 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 245 transitions, 2942 flow [2023-08-29 01:10:30,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:30,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:30,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1906 transitions. [2023-08-29 01:10:30,461 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4244043642841238 [2023-08-29 01:10:30,461 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1906 transitions. [2023-08-29 01:10:30,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1906 transitions. [2023-08-29 01:10:30,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:30,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1906 transitions. [2023-08-29 01:10:30,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 211.77777777777777) internal successors, (1906), 9 states have internal predecessors, (1906), 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 01:10:30,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:30,468 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:30,468 INFO L175 Difference]: Start difference. First operand has 110 places, 176 transitions, 1940 flow. Second operand 9 states and 1906 transitions. [2023-08-29 01:10:30,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 245 transitions, 2942 flow [2023-08-29 01:10:30,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 245 transitions, 2859 flow, removed 38 selfloop flow, removed 2 redundant places. [2023-08-29 01:10:30,501 INFO L231 Difference]: Finished difference. Result has 121 places, 197 transitions, 2571 flow [2023-08-29 01:10:30,501 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=1869, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2571, PETRI_PLACES=121, PETRI_TRANSITIONS=197} [2023-08-29 01:10:30,502 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 38 predicate places. [2023-08-29 01:10:30,502 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 197 transitions, 2571 flow [2023-08-29 01:10:30,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 200.4) internal successors, (2004), 10 states have internal predecessors, (2004), 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 01:10:30,502 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:30,502 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:30,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 01:10:30,503 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:30,503 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:30,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1409954217, now seen corresponding path program 5 times [2023-08-29 01:10:30,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:30,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981670013] [2023-08-29 01:10:30,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:30,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:30,836 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 01:10:30,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:30,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981670013] [2023-08-29 01:10:30,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981670013] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:30,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:30,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:30,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128121705] [2023-08-29 01:10:30,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:30,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:30,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:30,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:30,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:31,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:10:31,710 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 197 transitions, 2571 flow. Second operand has 10 states, 10 states have (on average 200.4) internal successors, (2004), 10 states have internal predecessors, (2004), 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 01:10:31,710 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:31,710 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:10:31,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:33,290 INFO L130 PetriNetUnfolder]: 1354/2886 cut-off events. [2023-08-29 01:10:33,290 INFO L131 PetriNetUnfolder]: For 18851/18851 co-relation queries the response was YES. [2023-08-29 01:10:33,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14673 conditions, 2886 events. 1354/2886 cut-off events. For 18851/18851 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 18676 event pairs, 331 based on Foata normal form. 18/2840 useless extension candidates. Maximal degree in co-relation 14642. Up to 1317 conditions per place. [2023-08-29 01:10:33,311 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 134 selfloop transitions, 115 changer transitions 0/266 dead transitions. [2023-08-29 01:10:33,311 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 266 transitions, 3664 flow [2023-08-29 01:10:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1907 transitions. [2023-08-29 01:10:33,320 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4246270318414607 [2023-08-29 01:10:33,321 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1907 transitions. [2023-08-29 01:10:33,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1907 transitions. [2023-08-29 01:10:33,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:33,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1907 transitions. [2023-08-29 01:10:33,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 211.88888888888889) internal successors, (1907), 9 states have internal predecessors, (1907), 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 01:10:33,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:33,329 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:33,329 INFO L175 Difference]: Start difference. First operand has 121 places, 197 transitions, 2571 flow. Second operand 9 states and 1907 transitions. [2023-08-29 01:10:33,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 266 transitions, 3664 flow [2023-08-29 01:10:33,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 266 transitions, 3595 flow, removed 17 selfloop flow, removed 3 redundant places. [2023-08-29 01:10:33,384 INFO L231 Difference]: Finished difference. Result has 131 places, 220 transitions, 3255 flow [2023-08-29 01:10:33,384 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=2506, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3255, PETRI_PLACES=131, PETRI_TRANSITIONS=220} [2023-08-29 01:10:33,385 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 48 predicate places. [2023-08-29 01:10:33,385 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 220 transitions, 3255 flow [2023-08-29 01:10:33,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 200.4) internal successors, (2004), 10 states have internal predecessors, (2004), 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 01:10:33,386 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:33,386 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:33,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 01:10:33,386 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:33,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:33,387 INFO L85 PathProgramCache]: Analyzing trace with hash -771624827, now seen corresponding path program 1 times [2023-08-29 01:10:33,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:33,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072701505] [2023-08-29 01:10:33,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:33,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:33,694 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 01:10:33,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:33,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072701505] [2023-08-29 01:10:33,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072701505] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:33,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:33,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:33,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067510380] [2023-08-29 01:10:33,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:33,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:33,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:33,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:33,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:34,534 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 499 [2023-08-29 01:10:34,536 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 220 transitions, 3255 flow. Second operand has 10 states, 10 states have (on average 201.4) internal successors, (2014), 10 states have internal predecessors, (2014), 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 01:10:34,536 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:34,536 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 499 [2023-08-29 01:10:34,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:35,344 INFO L130 PetriNetUnfolder]: 1516/3106 cut-off events. [2023-08-29 01:10:35,344 INFO L131 PetriNetUnfolder]: For 27129/27130 co-relation queries the response was YES. [2023-08-29 01:10:35,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17552 conditions, 3106 events. 1516/3106 cut-off events. For 27129/27130 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 19914 event pairs, 295 based on Foata normal form. 13/3061 useless extension candidates. Maximal degree in co-relation 17516. Up to 1409 conditions per place. [2023-08-29 01:10:35,368 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 272 selfloop transitions, 123 changer transitions 0/412 dead transitions. [2023-08-29 01:10:35,369 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 412 transitions, 6584 flow [2023-08-29 01:10:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:35,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:35,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1918 transitions. [2023-08-29 01:10:35,372 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42707637497216655 [2023-08-29 01:10:35,372 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1918 transitions. [2023-08-29 01:10:35,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1918 transitions. [2023-08-29 01:10:35,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:35,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1918 transitions. [2023-08-29 01:10:35,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 213.11111111111111) internal successors, (1918), 9 states have internal predecessors, (1918), 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 01:10:35,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:35,379 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:35,379 INFO L175 Difference]: Start difference. First operand has 131 places, 220 transitions, 3255 flow. Second operand 9 states and 1918 transitions. [2023-08-29 01:10:35,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 412 transitions, 6584 flow [2023-08-29 01:10:35,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 412 transitions, 6457 flow, removed 47 selfloop flow, removed 2 redundant places. [2023-08-29 01:10:35,443 INFO L231 Difference]: Finished difference. Result has 143 places, 301 transitions, 4953 flow [2023-08-29 01:10:35,443 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=3195, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4953, PETRI_PLACES=143, PETRI_TRANSITIONS=301} [2023-08-29 01:10:35,443 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 60 predicate places. [2023-08-29 01:10:35,444 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 301 transitions, 4953 flow [2023-08-29 01:10:35,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 201.4) internal successors, (2014), 10 states have internal predecessors, (2014), 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 01:10:35,444 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:35,444 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:35,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 01:10:35,445 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:35,445 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:35,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1364731501, now seen corresponding path program 2 times [2023-08-29 01:10:35,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:35,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054583736] [2023-08-29 01:10:35,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:35,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:35,824 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 01:10:35,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:35,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054583736] [2023-08-29 01:10:35,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054583736] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:35,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:35,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:35,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435741789] [2023-08-29 01:10:35,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:35,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:35,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:35,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:35,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:36,539 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 499 [2023-08-29 01:10:36,552 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 301 transitions, 4953 flow. Second operand has 10 states, 10 states have (on average 201.4) internal successors, (2014), 10 states have internal predecessors, (2014), 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 01:10:36,568 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:36,568 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 499 [2023-08-29 01:10:36,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:37,887 INFO L130 PetriNetUnfolder]: 1623/3370 cut-off events. [2023-08-29 01:10:37,887 INFO L131 PetriNetUnfolder]: For 37701/37702 co-relation queries the response was YES. [2023-08-29 01:10:37,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21048 conditions, 3370 events. 1623/3370 cut-off events. For 37701/37702 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 22268 event pairs, 456 based on Foata normal form. 13/3315 useless extension candidates. Maximal degree in co-relation 21006. Up to 1969 conditions per place. [2023-08-29 01:10:37,930 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 192 selfloop transitions, 179 changer transitions 0/388 dead transitions. [2023-08-29 01:10:37,930 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 388 transitions, 6890 flow [2023-08-29 01:10:37,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:10:37,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:10:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1704 transitions. [2023-08-29 01:10:37,939 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42685370741482964 [2023-08-29 01:10:37,940 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1704 transitions. [2023-08-29 01:10:37,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1704 transitions. [2023-08-29 01:10:37,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:37,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1704 transitions. [2023-08-29 01:10:37,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 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 01:10:37,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 499.0) internal successors, (4491), 9 states have internal predecessors, (4491), 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 01:10:37,960 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 499.0) internal successors, (4491), 9 states have internal predecessors, (4491), 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 01:10:37,960 INFO L175 Difference]: Start difference. First operand has 143 places, 301 transitions, 4953 flow. Second operand 8 states and 1704 transitions. [2023-08-29 01:10:37,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 388 transitions, 6890 flow [2023-08-29 01:10:38,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 388 transitions, 6878 flow, removed 5 selfloop flow, removed 1 redundant places. [2023-08-29 01:10:38,114 INFO L231 Difference]: Finished difference. Result has 152 places, 343 transitions, 6505 flow [2023-08-29 01:10:38,114 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=4941, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6505, PETRI_PLACES=152, PETRI_TRANSITIONS=343} [2023-08-29 01:10:38,115 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 69 predicate places. [2023-08-29 01:10:38,115 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 343 transitions, 6505 flow [2023-08-29 01:10:38,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 201.4) internal successors, (2014), 10 states have internal predecessors, (2014), 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 01:10:38,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:38,116 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:38,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 01:10:38,116 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:38,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:38,116 INFO L85 PathProgramCache]: Analyzing trace with hash -260618207, now seen corresponding path program 3 times [2023-08-29 01:10:38,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:38,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706227524] [2023-08-29 01:10:38,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:38,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:38,393 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 01:10:38,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:38,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706227524] [2023-08-29 01:10:38,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706227524] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:38,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:38,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:38,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322205408] [2023-08-29 01:10:38,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:38,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:38,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:38,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:38,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:39,107 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 499 [2023-08-29 01:10:39,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 343 transitions, 6505 flow. Second operand has 10 states, 10 states have (on average 201.4) internal successors, (2014), 10 states have internal predecessors, (2014), 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 01:10:39,108 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:39,108 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 499 [2023-08-29 01:10:39,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:40,463 INFO L130 PetriNetUnfolder]: 1836/3757 cut-off events. [2023-08-29 01:10:40,463 INFO L131 PetriNetUnfolder]: For 55806/55807 co-relation queries the response was YES. [2023-08-29 01:10:40,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25899 conditions, 3757 events. 1836/3757 cut-off events. For 55806/55807 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 25231 event pairs, 464 based on Foata normal form. 13/3697 useless extension candidates. Maximal degree in co-relation 25854. Up to 1981 conditions per place. [2023-08-29 01:10:40,492 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 255 selfloop transitions, 255 changer transitions 0/527 dead transitions. [2023-08-29 01:10:40,492 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 527 transitions, 10915 flow [2023-08-29 01:10:40,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:40,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:40,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1915 transitions. [2023-08-29 01:10:40,516 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4264083723001559 [2023-08-29 01:10:40,516 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1915 transitions. [2023-08-29 01:10:40,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1915 transitions. [2023-08-29 01:10:40,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:40,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1915 transitions. [2023-08-29 01:10:40,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 212.77777777777777) internal successors, (1915), 9 states have internal predecessors, (1915), 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 01:10:40,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:40,537 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:40,538 INFO L175 Difference]: Start difference. First operand has 152 places, 343 transitions, 6505 flow. Second operand 9 states and 1915 transitions. [2023-08-29 01:10:40,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 527 transitions, 10915 flow [2023-08-29 01:10:40,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 527 transitions, 10743 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-08-29 01:10:40,699 INFO L231 Difference]: Finished difference. Result has 162 places, 457 transitions, 9746 flow [2023-08-29 01:10:40,700 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=6407, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=9746, PETRI_PLACES=162, PETRI_TRANSITIONS=457} [2023-08-29 01:10:40,700 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 79 predicate places. [2023-08-29 01:10:40,700 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 457 transitions, 9746 flow [2023-08-29 01:10:40,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 201.4) internal successors, (2014), 10 states have internal predecessors, (2014), 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 01:10:40,701 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:40,701 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:40,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 01:10:40,701 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:40,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:40,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1360067551, now seen corresponding path program 4 times [2023-08-29 01:10:40,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:40,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123112507] [2023-08-29 01:10:40,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:40,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:41,023 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 01:10:41,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:41,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123112507] [2023-08-29 01:10:41,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123112507] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:41,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:41,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:41,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024147106] [2023-08-29 01:10:41,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:41,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:41,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:41,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:41,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:41,985 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 499 [2023-08-29 01:10:41,986 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 457 transitions, 9746 flow. Second operand has 10 states, 10 states have (on average 201.4) internal successors, (2014), 10 states have internal predecessors, (2014), 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 01:10:41,986 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:41,986 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 499 [2023-08-29 01:10:41,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:43,281 INFO L130 PetriNetUnfolder]: 1962/3995 cut-off events. [2023-08-29 01:10:43,282 INFO L131 PetriNetUnfolder]: For 72951/72952 co-relation queries the response was YES. [2023-08-29 01:10:43,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30284 conditions, 3995 events. 1962/3995 cut-off events. For 72951/72952 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 27110 event pairs, 529 based on Foata normal form. 13/3932 useless extension candidates. Maximal degree in co-relation 30233. Up to 2310 conditions per place. [2023-08-29 01:10:43,310 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 243 selfloop transitions, 303 changer transitions 0/563 dead transitions. [2023-08-29 01:10:43,310 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 563 transitions, 12691 flow [2023-08-29 01:10:43,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:43,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1913 transitions. [2023-08-29 01:10:43,314 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42596303718548206 [2023-08-29 01:10:43,314 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1913 transitions. [2023-08-29 01:10:43,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1913 transitions. [2023-08-29 01:10:43,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:43,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1913 transitions. [2023-08-29 01:10:43,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 212.55555555555554) internal successors, (1913), 9 states have internal predecessors, (1913), 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 01:10:43,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:43,320 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:43,321 INFO L175 Difference]: Start difference. First operand has 162 places, 457 transitions, 9746 flow. Second operand 9 states and 1913 transitions. [2023-08-29 01:10:43,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 563 transitions, 12691 flow [2023-08-29 01:10:43,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 563 transitions, 12510 flow, removed 79 selfloop flow, removed 2 redundant places. [2023-08-29 01:10:43,532 INFO L231 Difference]: Finished difference. Result has 173 places, 515 transitions, 12247 flow [2023-08-29 01:10:43,533 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=9587, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=457, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=249, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=12247, PETRI_PLACES=173, PETRI_TRANSITIONS=515} [2023-08-29 01:10:43,533 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 90 predicate places. [2023-08-29 01:10:43,533 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 515 transitions, 12247 flow [2023-08-29 01:10:43,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 201.4) internal successors, (2014), 10 states have internal predecessors, (2014), 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 01:10:43,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:43,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:43,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 01:10:43,534 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:43,534 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:43,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1091192461, now seen corresponding path program 5 times [2023-08-29 01:10:43,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:43,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509869522] [2023-08-29 01:10:43,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:43,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:43,800 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 01:10:43,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:43,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509869522] [2023-08-29 01:10:43,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509869522] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:43,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:43,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:43,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927837981] [2023-08-29 01:10:43,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:43,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:43,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:43,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:43,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:44,654 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 499 [2023-08-29 01:10:44,655 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 515 transitions, 12247 flow. Second operand has 10 states, 10 states have (on average 201.4) internal successors, (2014), 10 states have internal predecessors, (2014), 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 01:10:44,655 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:44,655 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 499 [2023-08-29 01:10:44,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:46,114 INFO L130 PetriNetUnfolder]: 1986/4088 cut-off events. [2023-08-29 01:10:46,114 INFO L131 PetriNetUnfolder]: For 88685/88686 co-relation queries the response was YES. [2023-08-29 01:10:46,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32739 conditions, 4088 events. 1986/4088 cut-off events. For 88685/88686 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 28221 event pairs, 485 based on Foata normal form. 13/4020 useless extension candidates. Maximal degree in co-relation 32684. Up to 2224 conditions per place. [2023-08-29 01:10:46,146 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 275 selfloop transitions, 329 changer transitions 0/621 dead transitions. [2023-08-29 01:10:46,146 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 621 transitions, 15382 flow [2023-08-29 01:10:46,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:46,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1914 transitions. [2023-08-29 01:10:46,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42618570474281897 [2023-08-29 01:10:46,148 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1914 transitions. [2023-08-29 01:10:46,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1914 transitions. [2023-08-29 01:10:46,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:46,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1914 transitions. [2023-08-29 01:10:46,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 212.66666666666666) internal successors, (1914), 9 states have internal predecessors, (1914), 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 01:10:46,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:46,157 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:10:46,157 INFO L175 Difference]: Start difference. First operand has 173 places, 515 transitions, 12247 flow. Second operand 9 states and 1914 transitions. [2023-08-29 01:10:46,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 621 transitions, 15382 flow [2023-08-29 01:10:46,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 621 transitions, 15198 flow, removed 47 selfloop flow, removed 3 redundant places. [2023-08-29 01:10:46,407 INFO L231 Difference]: Finished difference. Result has 183 places, 578 transitions, 14790 flow [2023-08-29 01:10:46,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=12071, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=270, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14790, PETRI_PLACES=183, PETRI_TRANSITIONS=578} [2023-08-29 01:10:46,408 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 100 predicate places. [2023-08-29 01:10:46,408 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 578 transitions, 14790 flow [2023-08-29 01:10:46,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 201.4) internal successors, (2014), 10 states have internal predecessors, (2014), 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 01:10:46,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:46,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:46,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 01:10:46,409 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:46,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:46,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1933627693, now seen corresponding path program 1 times [2023-08-29 01:10:46,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:46,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202591383] [2023-08-29 01:10:46,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:46,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:46,736 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 01:10:46,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:46,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202591383] [2023-08-29 01:10:46,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202591383] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:46,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:46,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:10:46,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147754954] [2023-08-29 01:10:46,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:46,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:10:46,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:46,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:10:46,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:10:47,611 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:10:47,612 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 578 transitions, 14790 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:10:47,612 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:47,612 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:10:47,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:49,094 INFO L130 PetriNetUnfolder]: 2006/4067 cut-off events. [2023-08-29 01:10:49,094 INFO L131 PetriNetUnfolder]: For 98705/98709 co-relation queries the response was YES. [2023-08-29 01:10:49,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34867 conditions, 4067 events. 2006/4067 cut-off events. For 98705/98709 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 27791 event pairs, 336 based on Foata normal form. 8/4006 useless extension candidates. Maximal degree in co-relation 34807. Up to 1840 conditions per place. [2023-08-29 01:10:49,134 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 424 selfloop transitions, 307 changer transitions 0/748 dead transitions. [2023-08-29 01:10:49,134 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 748 transitions, 19183 flow [2023-08-29 01:10:49,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:10:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:10:49,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2316 transitions. [2023-08-29 01:10:49,136 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4219347786482055 [2023-08-29 01:10:49,136 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2316 transitions. [2023-08-29 01:10:49,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2316 transitions. [2023-08-29 01:10:49,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:49,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2316 transitions. [2023-08-29 01:10:49,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 210.54545454545453) internal successors, (2316), 11 states have internal predecessors, (2316), 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 01:10:49,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:10:49,172 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:10:49,172 INFO L175 Difference]: Start difference. First operand has 183 places, 578 transitions, 14790 flow. Second operand 11 states and 2316 transitions. [2023-08-29 01:10:49,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 748 transitions, 19183 flow [2023-08-29 01:10:49,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 748 transitions, 19030 flow, removed 56 selfloop flow, removed 2 redundant places. [2023-08-29 01:10:49,534 INFO L231 Difference]: Finished difference. Result has 197 places, 660 transitions, 18147 flow [2023-08-29 01:10:49,534 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=14645, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18147, PETRI_PLACES=197, PETRI_TRANSITIONS=660} [2023-08-29 01:10:49,535 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 114 predicate places. [2023-08-29 01:10:49,535 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 660 transitions, 18147 flow [2023-08-29 01:10:49,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:10:49,535 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:49,535 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:49,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 01:10:49,536 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:49,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:49,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1746442783, now seen corresponding path program 2 times [2023-08-29 01:10:49,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:49,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016176502] [2023-08-29 01:10:49,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:49,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:49,877 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 01:10:49,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:49,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016176502] [2023-08-29 01:10:49,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016176502] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:49,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:49,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:10:49,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115573726] [2023-08-29 01:10:49,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:49,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:10:49,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:49,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:10:49,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:10:50,761 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:10:50,762 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 660 transitions, 18147 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:10:50,762 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:50,762 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:10:50,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:52,932 INFO L130 PetriNetUnfolder]: 2130/4334 cut-off events. [2023-08-29 01:10:52,932 INFO L131 PetriNetUnfolder]: For 123533/123538 co-relation queries the response was YES. [2023-08-29 01:10:52,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39038 conditions, 4334 events. 2130/4334 cut-off events. For 123533/123538 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 30208 event pairs, 332 based on Foata normal form. 8/4270 useless extension candidates. Maximal degree in co-relation 38972. Up to 1953 conditions per place. [2023-08-29 01:10:52,971 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 448 selfloop transitions, 313 changer transitions 0/778 dead transitions. [2023-08-29 01:10:52,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 778 transitions, 21229 flow [2023-08-29 01:10:52,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:10:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:10:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2321 transitions. [2023-08-29 01:10:52,974 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4228456913827655 [2023-08-29 01:10:52,974 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2321 transitions. [2023-08-29 01:10:52,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2321 transitions. [2023-08-29 01:10:52,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:52,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2321 transitions. [2023-08-29 01:10:52,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 211.0) internal successors, (2321), 11 states have internal predecessors, (2321), 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 01:10:52,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:10:52,979 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:10:52,979 INFO L175 Difference]: Start difference. First operand has 197 places, 660 transitions, 18147 flow. Second operand 11 states and 2321 transitions. [2023-08-29 01:10:52,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 778 transitions, 21229 flow [2023-08-29 01:10:53,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 778 transitions, 21040 flow, removed 18 selfloop flow, removed 3 redundant places. [2023-08-29 01:10:53,372 INFO L231 Difference]: Finished difference. Result has 209 places, 695 transitions, 19794 flow [2023-08-29 01:10:53,373 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=17958, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=282, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=19794, PETRI_PLACES=209, PETRI_TRANSITIONS=695} [2023-08-29 01:10:53,373 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 126 predicate places. [2023-08-29 01:10:53,373 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 695 transitions, 19794 flow [2023-08-29 01:10:53,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:10:53,374 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:53,374 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:53,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 01:10:53,374 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:53,374 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:53,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1689684985, now seen corresponding path program 3 times [2023-08-29 01:10:53,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:53,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044443239] [2023-08-29 01:10:53,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:53,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:53,672 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 01:10:53,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:53,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044443239] [2023-08-29 01:10:53,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044443239] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:53,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:53,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:10:53,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964540719] [2023-08-29 01:10:53,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:53,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:10:53,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:53,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:10:53,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:10:54,454 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:10:54,455 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 695 transitions, 19794 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:10:54,455 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:54,455 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:10:54,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:56,565 INFO L130 PetriNetUnfolder]: 2175/4450 cut-off events. [2023-08-29 01:10:56,565 INFO L131 PetriNetUnfolder]: For 140973/140982 co-relation queries the response was YES. [2023-08-29 01:10:56,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41806 conditions, 4450 events. 2175/4450 cut-off events. For 140973/140982 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 31423 event pairs, 327 based on Foata normal form. 10/4386 useless extension candidates. Maximal degree in co-relation 41735. Up to 2048 conditions per place. [2023-08-29 01:10:56,603 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 445 selfloop transitions, 325 changer transitions 0/787 dead transitions. [2023-08-29 01:10:56,603 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 787 transitions, 22498 flow [2023-08-29 01:10:56,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:10:56,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:10:56,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2111 transitions. [2023-08-29 01:10:56,607 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4230460921843687 [2023-08-29 01:10:56,607 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2111 transitions. [2023-08-29 01:10:56,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2111 transitions. [2023-08-29 01:10:56,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:56,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2111 transitions. [2023-08-29 01:10:56,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 211.1) internal successors, (2111), 10 states have internal predecessors, (2111), 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 01:10:56,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 499.0) internal successors, (5489), 11 states have internal predecessors, (5489), 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 01:10:56,611 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 499.0) internal successors, (5489), 11 states have internal predecessors, (5489), 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 01:10:56,612 INFO L175 Difference]: Start difference. First operand has 209 places, 695 transitions, 19794 flow. Second operand 10 states and 2111 transitions. [2023-08-29 01:10:56,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 787 transitions, 22498 flow [2023-08-29 01:10:57,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 787 transitions, 22307 flow, removed 60 selfloop flow, removed 4 redundant places. [2023-08-29 01:10:57,112 INFO L231 Difference]: Finished difference. Result has 217 places, 713 transitions, 21366 flow [2023-08-29 01:10:57,112 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=19611, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=21366, PETRI_PLACES=217, PETRI_TRANSITIONS=713} [2023-08-29 01:10:57,113 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 134 predicate places. [2023-08-29 01:10:57,113 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 713 transitions, 21366 flow [2023-08-29 01:10:57,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:10:57,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:57,113 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:57,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 01:10:57,114 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:10:57,114 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:57,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1555337185, now seen corresponding path program 4 times [2023-08-29 01:10:57,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:57,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338903924] [2023-08-29 01:10:57,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:57,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:57,450 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 01:10:57,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:57,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338903924] [2023-08-29 01:10:57,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338903924] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:57,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:57,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:10:57,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082922226] [2023-08-29 01:10:57,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:57,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:10:57,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:57,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:10:57,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:10:58,381 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:10:58,382 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 713 transitions, 21366 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:10:58,382 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:58,382 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:10:58,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:00,691 INFO L130 PetriNetUnfolder]: 2247/4623 cut-off events. [2023-08-29 01:11:00,691 INFO L131 PetriNetUnfolder]: For 166010/166019 co-relation queries the response was YES. [2023-08-29 01:11:00,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44939 conditions, 4623 events. 2247/4623 cut-off events. For 166010/166019 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 33017 event pairs, 342 based on Foata normal form. 10/4555 useless extension candidates. Maximal degree in co-relation 44865. Up to 2086 conditions per place. [2023-08-29 01:11:00,735 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 453 selfloop transitions, 347 changer transitions 0/817 dead transitions. [2023-08-29 01:11:00,735 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 817 transitions, 24360 flow [2023-08-29 01:11:00,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:11:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:11:00,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2317 transitions. [2023-08-29 01:11:00,737 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4221169611951175 [2023-08-29 01:11:00,737 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2317 transitions. [2023-08-29 01:11:00,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2317 transitions. [2023-08-29 01:11:00,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:00,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2317 transitions. [2023-08-29 01:11:00,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 210.63636363636363) internal successors, (2317), 11 states have internal predecessors, (2317), 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 01:11:00,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:00,742 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:00,742 INFO L175 Difference]: Start difference. First operand has 217 places, 713 transitions, 21366 flow. Second operand 11 states and 2317 transitions. [2023-08-29 01:11:00,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 817 transitions, 24360 flow [2023-08-29 01:11:01,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 817 transitions, 24197 flow, removed 3 selfloop flow, removed 6 redundant places. [2023-08-29 01:11:01,358 INFO L231 Difference]: Finished difference. Result has 226 places, 739 transitions, 23308 flow [2023-08-29 01:11:01,359 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=21208, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=323, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=23308, PETRI_PLACES=226, PETRI_TRANSITIONS=739} [2023-08-29 01:11:01,359 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 143 predicate places. [2023-08-29 01:11:01,359 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 739 transitions, 23308 flow [2023-08-29 01:11:01,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:01,360 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:11:01,360 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:11:01,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 01:11:01,360 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:11:01,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:11:01,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1862182137, now seen corresponding path program 5 times [2023-08-29 01:11:01,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:11:01,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157688350] [2023-08-29 01:11:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:11:01,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:11:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:11:01,664 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 01:11:01,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:11:01,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157688350] [2023-08-29 01:11:01,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157688350] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:11:01,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:11:01,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:11:01,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929678452] [2023-08-29 01:11:01,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:11:01,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:11:01,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:11:01,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:11:01,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:11:02,589 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:11:02,590 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 739 transitions, 23308 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:02,590 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:11:02,590 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:11:02,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:05,072 INFO L130 PetriNetUnfolder]: 2260/4701 cut-off events. [2023-08-29 01:11:05,072 INFO L131 PetriNetUnfolder]: For 184726/184732 co-relation queries the response was YES. [2023-08-29 01:11:05,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47421 conditions, 4701 events. 2260/4701 cut-off events. For 184726/184732 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 34075 event pairs, 314 based on Foata normal form. 9/4627 useless extension candidates. Maximal degree in co-relation 47342. Up to 2118 conditions per place. [2023-08-29 01:11:05,114 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 465 selfloop transitions, 360 changer transitions 0/842 dead transitions. [2023-08-29 01:11:05,114 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 842 transitions, 26330 flow [2023-08-29 01:11:05,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:11:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:11:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2319 transitions. [2023-08-29 01:11:05,116 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4224813262889415 [2023-08-29 01:11:05,116 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2319 transitions. [2023-08-29 01:11:05,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2319 transitions. [2023-08-29 01:11:05,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:05,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2319 transitions. [2023-08-29 01:11:05,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 210.8181818181818) internal successors, (2319), 11 states have internal predecessors, (2319), 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 01:11:05,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:05,121 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:05,122 INFO L175 Difference]: Start difference. First operand has 226 places, 739 transitions, 23308 flow. Second operand 11 states and 2319 transitions. [2023-08-29 01:11:05,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 842 transitions, 26330 flow [2023-08-29 01:11:05,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 842 transitions, 26185 flow, removed 29 selfloop flow, removed 4 redundant places. [2023-08-29 01:11:05,866 INFO L231 Difference]: Finished difference. Result has 237 places, 765 transitions, 25135 flow [2023-08-29 01:11:05,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=23165, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=739, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=25135, PETRI_PLACES=237, PETRI_TRANSITIONS=765} [2023-08-29 01:11:05,867 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 154 predicate places. [2023-08-29 01:11:05,867 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 765 transitions, 25135 flow [2023-08-29 01:11:05,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:05,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:11:05,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:11:05,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 01:11:05,868 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:11:05,868 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:11:05,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1541768799, now seen corresponding path program 6 times [2023-08-29 01:11:05,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:11:05,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833741483] [2023-08-29 01:11:05,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:11:05,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:11:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:11:06,221 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 01:11:06,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:11:06,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833741483] [2023-08-29 01:11:06,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833741483] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:11:06,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:11:06,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:11:06,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600230411] [2023-08-29 01:11:06,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:11:06,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:11:06,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:11:06,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:11:06,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:11:06,966 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:11:06,968 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 765 transitions, 25135 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:06,968 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:11:06,968 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:11:06,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:08,927 INFO L130 PetriNetUnfolder]: 2265/4785 cut-off events. [2023-08-29 01:11:08,928 INFO L131 PetriNetUnfolder]: For 212702/212710 co-relation queries the response was YES. [2023-08-29 01:11:08,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49586 conditions, 4785 events. 2265/4785 cut-off events. For 212702/212710 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 35297 event pairs, 570 based on Foata normal form. 12/4707 useless extension candidates. Maximal degree in co-relation 49502. Up to 2840 conditions per place. [2023-08-29 01:11:08,975 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 346 selfloop transitions, 465 changer transitions 0/828 dead transitions. [2023-08-29 01:11:08,976 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 828 transitions, 27730 flow [2023-08-29 01:11:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:11:08,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:11:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1897 transitions. [2023-08-29 01:11:08,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42240035626809175 [2023-08-29 01:11:08,978 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1897 transitions. [2023-08-29 01:11:08,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1897 transitions. [2023-08-29 01:11:08,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:08,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1897 transitions. [2023-08-29 01:11:08,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 210.77777777777777) internal successors, (1897), 9 states have internal predecessors, (1897), 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 01:11:08,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:11:08,983 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 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 01:11:08,983 INFO L175 Difference]: Start difference. First operand has 237 places, 765 transitions, 25135 flow. Second operand 9 states and 1897 transitions. [2023-08-29 01:11:08,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 828 transitions, 27730 flow [2023-08-29 01:11:09,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 828 transitions, 27554 flow, removed 51 selfloop flow, removed 4 redundant places. [2023-08-29 01:11:09,774 INFO L231 Difference]: Finished difference. Result has 243 places, 779 transitions, 26850 flow [2023-08-29 01:11:09,775 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=24959, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=451, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=26850, PETRI_PLACES=243, PETRI_TRANSITIONS=779} [2023-08-29 01:11:09,775 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 160 predicate places. [2023-08-29 01:11:09,775 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 779 transitions, 26850 flow [2023-08-29 01:11:09,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:09,776 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:11:09,776 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:11:09,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 01:11:09,776 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:11:09,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:11:09,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1486952185, now seen corresponding path program 7 times [2023-08-29 01:11:09,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:11:09,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142971881] [2023-08-29 01:11:09,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:11:09,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:11:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:11:10,085 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 01:11:10,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:11:10,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142971881] [2023-08-29 01:11:10,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142971881] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:11:10,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:11:10,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:11:10,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699277016] [2023-08-29 01:11:10,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:11:10,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:11:10,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:11:10,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:11:10,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:11:10,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:11:10,928 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 779 transitions, 26850 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:10,928 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:11:10,928 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:11:10,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:13,968 INFO L130 PetriNetUnfolder]: 2310/4923 cut-off events. [2023-08-29 01:11:13,968 INFO L131 PetriNetUnfolder]: For 239783/239794 co-relation queries the response was YES. [2023-08-29 01:11:14,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52479 conditions, 4923 events. 2310/4923 cut-off events. For 239783/239794 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 36781 event pairs, 561 based on Foata normal form. 13/4842 useless extension candidates. Maximal degree in co-relation 52393. Up to 2764 conditions per place. [2023-08-29 01:11:14,021 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 352 selfloop transitions, 487 changer transitions 0/856 dead transitions. [2023-08-29 01:11:14,021 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 856 transitions, 29947 flow [2023-08-29 01:11:14,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:11:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:11:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2106 transitions. [2023-08-29 01:11:14,024 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4220440881763527 [2023-08-29 01:11:14,024 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2106 transitions. [2023-08-29 01:11:14,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2106 transitions. [2023-08-29 01:11:14,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:14,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2106 transitions. [2023-08-29 01:11:14,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 210.6) internal successors, (2106), 10 states have internal predecessors, (2106), 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 01:11:14,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 499.0) internal successors, (5489), 11 states have internal predecessors, (5489), 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 01:11:14,029 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 499.0) internal successors, (5489), 11 states have internal predecessors, (5489), 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 01:11:14,029 INFO L175 Difference]: Start difference. First operand has 243 places, 779 transitions, 26850 flow. Second operand 10 states and 2106 transitions. [2023-08-29 01:11:14,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 856 transitions, 29947 flow [2023-08-29 01:11:14,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 856 transitions, 28804 flow, removed 12 selfloop flow, removed 6 redundant places. [2023-08-29 01:11:14,967 INFO L231 Difference]: Finished difference. Result has 249 places, 803 transitions, 28241 flow [2023-08-29 01:11:14,968 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=25749, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=779, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=463, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=28241, PETRI_PLACES=249, PETRI_TRANSITIONS=803} [2023-08-29 01:11:14,968 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 166 predicate places. [2023-08-29 01:11:14,968 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 803 transitions, 28241 flow [2023-08-29 01:11:14,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:14,969 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:11:14,969 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:11:14,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 01:11:14,969 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:11:14,969 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:11:14,970 INFO L85 PathProgramCache]: Analyzing trace with hash -663756415, now seen corresponding path program 8 times [2023-08-29 01:11:14,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:11:14,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756557624] [2023-08-29 01:11:14,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:11:14,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:11:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:11:15,287 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 01:11:15,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:11:15,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756557624] [2023-08-29 01:11:15,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756557624] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:11:15,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:11:15,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:11:15,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760024906] [2023-08-29 01:11:15,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:11:15,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:11:15,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:11:15,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:11:15,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:11:16,150 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:11:16,151 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 803 transitions, 28241 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:16,151 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:11:16,151 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:11:16,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:18,840 INFO L130 PetriNetUnfolder]: 2355/5061 cut-off events. [2023-08-29 01:11:18,840 INFO L131 PetriNetUnfolder]: For 256873/256887 co-relation queries the response was YES. [2023-08-29 01:11:18,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54470 conditions, 5061 events. 2355/5061 cut-off events. For 256873/256887 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 38259 event pairs, 561 based on Foata normal form. 14/4977 useless extension candidates. Maximal degree in co-relation 54381. Up to 2708 conditions per place. [2023-08-29 01:11:18,891 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 375 selfloop transitions, 489 changer transitions 0/881 dead transitions. [2023-08-29 01:11:18,892 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 881 transitions, 31442 flow [2023-08-29 01:11:18,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:11:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:11:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2107 transitions. [2023-08-29 01:11:18,895 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4222444889779559 [2023-08-29 01:11:18,895 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2107 transitions. [2023-08-29 01:11:18,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2107 transitions. [2023-08-29 01:11:18,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:18,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2107 transitions. [2023-08-29 01:11:18,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 210.7) internal successors, (2107), 10 states have internal predecessors, (2107), 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 01:11:18,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 499.0) internal successors, (5489), 11 states have internal predecessors, (5489), 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 01:11:18,899 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 499.0) internal successors, (5489), 11 states have internal predecessors, (5489), 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 01:11:18,899 INFO L175 Difference]: Start difference. First operand has 249 places, 803 transitions, 28241 flow. Second operand 10 states and 2107 transitions. [2023-08-29 01:11:18,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 881 transitions, 31442 flow [2023-08-29 01:11:19,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 881 transitions, 30646 flow, removed 35 selfloop flow, removed 7 redundant places. [2023-08-29 01:11:19,790 INFO L231 Difference]: Finished difference. Result has 254 places, 827 transitions, 30018 flow [2023-08-29 01:11:19,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=27489, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=803, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=465, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=30018, PETRI_PLACES=254, PETRI_TRANSITIONS=827} [2023-08-29 01:11:19,791 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 171 predicate places. [2023-08-29 01:11:19,791 INFO L495 AbstractCegarLoop]: Abstraction has has 254 places, 827 transitions, 30018 flow [2023-08-29 01:11:19,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:19,792 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:11:19,792 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:11:19,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 01:11:19,792 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:11:19,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:11:19,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2090312391, now seen corresponding path program 9 times [2023-08-29 01:11:19,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:11:19,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471051921] [2023-08-29 01:11:19,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:11:19,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:11:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:11:20,072 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 01:11:20,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:11:20,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471051921] [2023-08-29 01:11:20,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471051921] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:11:20,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:11:20,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:11:20,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67640859] [2023-08-29 01:11:20,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:11:20,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:11:20,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:11:20,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:11:20,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:11:21,213 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:11:21,214 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 827 transitions, 30018 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:21,214 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:11:21,214 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:11:21,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:23,937 INFO L130 PetriNetUnfolder]: 2446/5264 cut-off events. [2023-08-29 01:11:23,937 INFO L131 PetriNetUnfolder]: For 284466/284485 co-relation queries the response was YES. [2023-08-29 01:11:23,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57379 conditions, 5264 events. 2446/5264 cut-off events. For 284466/284485 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 40198 event pairs, 534 based on Foata normal form. 15/5179 useless extension candidates. Maximal degree in co-relation 57288. Up to 2422 conditions per place. [2023-08-29 01:11:23,989 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 378 selfloop transitions, 524 changer transitions 0/919 dead transitions. [2023-08-29 01:11:23,990 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 919 transitions, 33388 flow [2023-08-29 01:11:23,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:11:23,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:11:23,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2310 transitions. [2023-08-29 01:11:23,993 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42084168336673344 [2023-08-29 01:11:23,993 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2310 transitions. [2023-08-29 01:11:23,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2310 transitions. [2023-08-29 01:11:23,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:23,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2310 transitions. [2023-08-29 01:11:23,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 210.0) internal successors, (2310), 11 states have internal predecessors, (2310), 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 01:11:23,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:23,998 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:23,998 INFO L175 Difference]: Start difference. First operand has 254 places, 827 transitions, 30018 flow. Second operand 11 states and 2310 transitions. [2023-08-29 01:11:23,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 919 transitions, 33388 flow [2023-08-29 01:11:24,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 919 transitions, 32776 flow, removed 18 selfloop flow, removed 7 redundant places. [2023-08-29 01:11:24,905 INFO L231 Difference]: Finished difference. Result has 261 places, 861 transitions, 31783 flow [2023-08-29 01:11:24,906 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=29424, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=827, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=493, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=31783, PETRI_PLACES=261, PETRI_TRANSITIONS=861} [2023-08-29 01:11:24,906 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 178 predicate places. [2023-08-29 01:11:24,906 INFO L495 AbstractCegarLoop]: Abstraction has has 261 places, 861 transitions, 31783 flow [2023-08-29 01:11:24,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:24,907 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:11:24,907 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:11:24,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-29 01:11:24,907 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:11:24,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:11:24,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1352604385, now seen corresponding path program 10 times [2023-08-29 01:11:24,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:11:24,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738557335] [2023-08-29 01:11:24,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:11:24,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:11:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:11:25,194 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 01:11:25,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:11:25,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738557335] [2023-08-29 01:11:25,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738557335] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:11:25,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:11:25,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:11:25,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581998355] [2023-08-29 01:11:25,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:11:25,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:11:25,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:11:25,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:11:25,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:11:26,303 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:11:26,304 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 861 transitions, 31783 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:26,304 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:11:26,304 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:11:26,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:29,275 INFO L130 PetriNetUnfolder]: 2456/5307 cut-off events. [2023-08-29 01:11:29,276 INFO L131 PetriNetUnfolder]: For 302227/302248 co-relation queries the response was YES. [2023-08-29 01:11:29,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59051 conditions, 5307 events. 2456/5307 cut-off events. For 302227/302248 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 40821 event pairs, 626 based on Foata normal form. 17/5224 useless extension candidates. Maximal degree in co-relation 58957. Up to 2983 conditions per place. [2023-08-29 01:11:29,436 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 391 selfloop transitions, 518 changer transitions 0/926 dead transitions. [2023-08-29 01:11:29,436 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 926 transitions, 34475 flow [2023-08-29 01:11:29,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:11:29,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:11:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2308 transitions. [2023-08-29 01:11:29,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42047731827290946 [2023-08-29 01:11:29,439 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2308 transitions. [2023-08-29 01:11:29,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2308 transitions. [2023-08-29 01:11:29,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:29,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2308 transitions. [2023-08-29 01:11:29,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 209.8181818181818) internal successors, (2308), 11 states have internal predecessors, (2308), 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 01:11:29,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:29,444 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:29,445 INFO L175 Difference]: Start difference. First operand has 261 places, 861 transitions, 31783 flow. Second operand 11 states and 2308 transitions. [2023-08-29 01:11:29,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 926 transitions, 34475 flow [2023-08-29 01:11:30,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 926 transitions, 33500 flow, removed 135 selfloop flow, removed 4 redundant places. [2023-08-29 01:11:30,366 INFO L231 Difference]: Finished difference. Result has 270 places, 875 transitions, 32950 flow [2023-08-29 01:11:30,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=30836, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=861, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=506, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=32950, PETRI_PLACES=270, PETRI_TRANSITIONS=875} [2023-08-29 01:11:30,367 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 187 predicate places. [2023-08-29 01:11:30,367 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 875 transitions, 32950 flow [2023-08-29 01:11:30,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:30,368 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:11:30,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:11:30,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-29 01:11:30,368 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:11:30,368 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:11:30,369 INFO L85 PathProgramCache]: Analyzing trace with hash -836253567, now seen corresponding path program 11 times [2023-08-29 01:11:30,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:11:30,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355892002] [2023-08-29 01:11:30,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:11:30,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:11:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:11:30,680 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 01:11:30,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:11:30,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355892002] [2023-08-29 01:11:30,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355892002] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:11:30,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:11:30,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:11:30,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588358126] [2023-08-29 01:11:30,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:11:30,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:11:30,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:11:30,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:11:30,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:11:31,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:11:31,683 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 875 transitions, 32950 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:31,683 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:11:31,683 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:11:31,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:35,187 INFO L130 PetriNetUnfolder]: 2530/5480 cut-off events. [2023-08-29 01:11:35,187 INFO L131 PetriNetUnfolder]: For 320250/320268 co-relation queries the response was YES. [2023-08-29 01:11:35,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61846 conditions, 5480 events. 2530/5480 cut-off events. For 320250/320268 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 42503 event pairs, 605 based on Foata normal form. 16/5393 useless extension candidates. Maximal degree in co-relation 61750. Up to 2807 conditions per place. [2023-08-29 01:11:35,247 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 398 selfloop transitions, 542 changer transitions 0/957 dead transitions. [2023-08-29 01:11:35,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 957 transitions, 36330 flow [2023-08-29 01:11:35,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:11:35,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:11:35,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2310 transitions. [2023-08-29 01:11:35,250 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42084168336673344 [2023-08-29 01:11:35,250 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2310 transitions. [2023-08-29 01:11:35,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2310 transitions. [2023-08-29 01:11:35,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:35,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2310 transitions. [2023-08-29 01:11:35,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 210.0) internal successors, (2310), 11 states have internal predecessors, (2310), 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 01:11:35,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:35,280 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:35,280 INFO L175 Difference]: Start difference. First operand has 270 places, 875 transitions, 32950 flow. Second operand 11 states and 2310 transitions. [2023-08-29 01:11:35,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 957 transitions, 36330 flow [2023-08-29 01:11:36,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 957 transitions, 36054 flow, removed 31 selfloop flow, removed 4 redundant places. [2023-08-29 01:11:36,619 INFO L231 Difference]: Finished difference. Result has 279 places, 901 transitions, 34998 flow [2023-08-29 01:11:36,619 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=32674, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=875, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=520, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=34998, PETRI_PLACES=279, PETRI_TRANSITIONS=901} [2023-08-29 01:11:36,624 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 196 predicate places. [2023-08-29 01:11:36,624 INFO L495 AbstractCegarLoop]: Abstraction has has 279 places, 901 transitions, 34998 flow [2023-08-29 01:11:36,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:36,624 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:11:36,624 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:11:36,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-29 01:11:36,625 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:11:36,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:11:36,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1518312529, now seen corresponding path program 12 times [2023-08-29 01:11:36,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:11:36,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033636426] [2023-08-29 01:11:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:11:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:11:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:11:36,952 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 01:11:36,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:11:36,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033636426] [2023-08-29 01:11:36,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033636426] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:11:36,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:11:36,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:11:36,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715175618] [2023-08-29 01:11:36,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:11:36,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:11:36,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:11:36,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:11:36,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:11:38,011 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:11:38,012 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 901 transitions, 34998 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:38,012 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:11:38,012 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:11:38,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:41,029 INFO L130 PetriNetUnfolder]: 2602/5659 cut-off events. [2023-08-29 01:11:41,029 INFO L131 PetriNetUnfolder]: For 356426/356443 co-relation queries the response was YES. [2023-08-29 01:11:41,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65431 conditions, 5659 events. 2602/5659 cut-off events. For 356426/356443 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 44389 event pairs, 532 based on Foata normal form. 15/5566 useless extension candidates. Maximal degree in co-relation 65332. Up to 2764 conditions per place. [2023-08-29 01:11:41,088 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 430 selfloop transitions, 551 changer transitions 0/998 dead transitions. [2023-08-29 01:11:41,088 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 998 transitions, 38877 flow [2023-08-29 01:11:41,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:11:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:11:41,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2316 transitions. [2023-08-29 01:11:41,092 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4219347786482055 [2023-08-29 01:11:41,092 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2316 transitions. [2023-08-29 01:11:41,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2316 transitions. [2023-08-29 01:11:41,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:41,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2316 transitions. [2023-08-29 01:11:41,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 210.54545454545453) internal successors, (2316), 11 states have internal predecessors, (2316), 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 01:11:41,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:41,097 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:41,097 INFO L175 Difference]: Start difference. First operand has 279 places, 901 transitions, 34998 flow. Second operand 11 states and 2316 transitions. [2023-08-29 01:11:41,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 998 transitions, 38877 flow [2023-08-29 01:11:42,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 998 transitions, 38416 flow, removed 70 selfloop flow, removed 4 redundant places. [2023-08-29 01:11:42,421 INFO L231 Difference]: Finished difference. Result has 290 places, 937 transitions, 37329 flow [2023-08-29 01:11:42,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=34549, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=901, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=37329, PETRI_PLACES=290, PETRI_TRANSITIONS=937} [2023-08-29 01:11:42,422 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 207 predicate places. [2023-08-29 01:11:42,423 INFO L495 AbstractCegarLoop]: Abstraction has has 290 places, 937 transitions, 37329 flow [2023-08-29 01:11:42,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:42,423 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:11:42,423 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:11:42,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-29 01:11:42,423 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:11:42,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:11:42,424 INFO L85 PathProgramCache]: Analyzing trace with hash -529408615, now seen corresponding path program 13 times [2023-08-29 01:11:42,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:11:42,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732596357] [2023-08-29 01:11:42,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:11:42,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:11:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:11:42,733 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 01:11:42,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:11:42,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732596357] [2023-08-29 01:11:42,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732596357] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:11:42,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:11:42,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:11:42,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745802578] [2023-08-29 01:11:42,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:11:42,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:11:42,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:11:42,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:11:42,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:11:43,772 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:11:43,773 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 937 transitions, 37329 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:43,773 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:11:43,774 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:11:43,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:47,134 INFO L130 PetriNetUnfolder]: 2615/5719 cut-off events. [2023-08-29 01:11:47,134 INFO L131 PetriNetUnfolder]: For 377784/377803 co-relation queries the response was YES. [2023-08-29 01:11:47,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67808 conditions, 5719 events. 2615/5719 cut-off events. For 377784/377803 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 45215 event pairs, 588 based on Foata normal form. 17/5626 useless extension candidates. Maximal degree in co-relation 67704. Up to 3069 conditions per place. [2023-08-29 01:11:47,217 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 449 selfloop transitions, 549 changer transitions 0/1015 dead transitions. [2023-08-29 01:11:47,217 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 1015 transitions, 40704 flow [2023-08-29 01:11:47,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:11:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:11:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2313 transitions. [2023-08-29 01:11:47,220 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42138823100746947 [2023-08-29 01:11:47,220 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2313 transitions. [2023-08-29 01:11:47,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2313 transitions. [2023-08-29 01:11:47,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:47,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2313 transitions. [2023-08-29 01:11:47,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 210.27272727272728) internal successors, (2313), 11 states have internal predecessors, (2313), 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 01:11:47,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:47,225 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:47,225 INFO L175 Difference]: Start difference. First operand has 290 places, 937 transitions, 37329 flow. Second operand 11 states and 2313 transitions. [2023-08-29 01:11:47,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 1015 transitions, 40704 flow [2023-08-29 01:11:48,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 1015 transitions, 40479 flow, removed 59 selfloop flow, removed 2 redundant places. [2023-08-29 01:11:48,786 INFO L231 Difference]: Finished difference. Result has 302 places, 959 transitions, 39433 flow [2023-08-29 01:11:48,787 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=37108, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=529, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=39433, PETRI_PLACES=302, PETRI_TRANSITIONS=959} [2023-08-29 01:11:48,787 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 219 predicate places. [2023-08-29 01:11:48,787 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 959 transitions, 39433 flow [2023-08-29 01:11:48,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:48,788 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:11:48,788 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:11:48,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-29 01:11:48,788 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:11:48,788 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:11:48,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1345815377, now seen corresponding path program 14 times [2023-08-29 01:11:48,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:11:48,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454302298] [2023-08-29 01:11:48,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:11:48,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:11:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:11:49,083 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 01:11:49,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:11:49,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454302298] [2023-08-29 01:11:49,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454302298] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:11:49,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:11:49,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:11:49,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365281766] [2023-08-29 01:11:49,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:11:49,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:11:49,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:11:49,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:11:49,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:11:49,937 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:11:49,938 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 959 transitions, 39433 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:49,938 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:11:49,939 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:11:49,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:52,833 INFO L130 PetriNetUnfolder]: 2660/5859 cut-off events. [2023-08-29 01:11:52,833 INFO L131 PetriNetUnfolder]: For 410683/410702 co-relation queries the response was YES. [2023-08-29 01:11:52,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71089 conditions, 5859 events. 2660/5859 cut-off events. For 410683/410702 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 46811 event pairs, 566 based on Foata normal form. 15/5758 useless extension candidates. Maximal degree in co-relation 70981. Up to 2891 conditions per place. [2023-08-29 01:11:52,897 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 444 selfloop transitions, 573 changer transitions 0/1034 dead transitions. [2023-08-29 01:11:52,897 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 1034 transitions, 43050 flow [2023-08-29 01:11:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:11:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:11:52,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2107 transitions. [2023-08-29 01:11:52,906 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4222444889779559 [2023-08-29 01:11:52,906 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2107 transitions. [2023-08-29 01:11:52,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2107 transitions. [2023-08-29 01:11:52,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:52,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2107 transitions. [2023-08-29 01:11:52,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 210.7) internal successors, (2107), 10 states have internal predecessors, (2107), 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 01:11:52,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 499.0) internal successors, (5489), 11 states have internal predecessors, (5489), 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 01:11:52,914 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 499.0) internal successors, (5489), 11 states have internal predecessors, (5489), 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 01:11:52,914 INFO L175 Difference]: Start difference. First operand has 302 places, 959 transitions, 39433 flow. Second operand 10 states and 2107 transitions. [2023-08-29 01:11:52,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 1034 transitions, 43050 flow [2023-08-29 01:11:54,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 1034 transitions, 42848 flow, removed 30 selfloop flow, removed 2 redundant places. [2023-08-29 01:11:54,258 INFO L231 Difference]: Finished difference. Result has 312 places, 980 transitions, 42159 flow [2023-08-29 01:11:54,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=39231, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=959, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=552, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=42159, PETRI_PLACES=312, PETRI_TRANSITIONS=980} [2023-08-29 01:11:54,259 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 229 predicate places. [2023-08-29 01:11:54,259 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 980 transitions, 42159 flow [2023-08-29 01:11:54,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:54,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:11:54,259 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:11:54,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-08-29 01:11:54,260 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:11:54,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:11:54,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1211467577, now seen corresponding path program 15 times [2023-08-29 01:11:54,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:11:54,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168034164] [2023-08-29 01:11:54,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:11:54,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:11:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:11:54,581 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 01:11:54,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:11:54,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168034164] [2023-08-29 01:11:54,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168034164] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:11:54,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:11:54,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:11:54,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398613552] [2023-08-29 01:11:54,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:11:54,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:11:54,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:11:54,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:11:54,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:11:55,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 499 [2023-08-29 01:11:55,662 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 980 transitions, 42159 flow. Second operand has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:11:55,663 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:11:55,663 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 499 [2023-08-29 01:11:55,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:11:59,572 INFO L130 PetriNetUnfolder]: 2673/5931 cut-off events. [2023-08-29 01:11:59,573 INFO L131 PetriNetUnfolder]: For 446930/446949 co-relation queries the response was YES. [2023-08-29 01:11:59,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73857 conditions, 5931 events. 2673/5931 cut-off events. For 446930/446949 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 47754 event pairs, 537 based on Foata normal form. 15/5826 useless extension candidates. Maximal degree in co-relation 73746. Up to 2869 conditions per place. [2023-08-29 01:11:59,663 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 450 selfloop transitions, 591 changer transitions 0/1058 dead transitions. [2023-08-29 01:11:59,663 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 1058 transitions, 45693 flow [2023-08-29 01:11:59,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:11:59,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:11:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2313 transitions. [2023-08-29 01:11:59,667 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42138823100746947 [2023-08-29 01:11:59,667 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2313 transitions. [2023-08-29 01:11:59,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2313 transitions. [2023-08-29 01:11:59,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:11:59,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2313 transitions. [2023-08-29 01:11:59,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 210.27272727272728) internal successors, (2313), 11 states have internal predecessors, (2313), 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 01:11:59,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:59,687 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:11:59,687 INFO L175 Difference]: Start difference. First operand has 312 places, 980 transitions, 42159 flow. Second operand 11 states and 2313 transitions. [2023-08-29 01:11:59,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 1058 transitions, 45693 flow [2023-08-29 01:12:01,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 1058 transitions, 45380 flow, removed 19 selfloop flow, removed 5 redundant places. [2023-08-29 01:12:01,686 INFO L231 Difference]: Finished difference. Result has 321 places, 1002 transitions, 44372 flow [2023-08-29 01:12:01,687 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=41864, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=980, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=571, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=44372, PETRI_PLACES=321, PETRI_TRANSITIONS=1002} [2023-08-29 01:12:01,688 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 238 predicate places. [2023-08-29 01:12:01,688 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 1002 transitions, 44372 flow [2023-08-29 01:12:01,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 199.45454545454547) internal successors, (2194), 11 states have internal predecessors, (2194), 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 01:12:01,689 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:12:01,689 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:12:01,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-08-29 01:12:01,689 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:12:01,689 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:12:01,689 INFO L85 PathProgramCache]: Analyzing trace with hash -773893892, now seen corresponding path program 1 times [2023-08-29 01:12:01,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:12:01,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761669570] [2023-08-29 01:12:01,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:12:01,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:12:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:12:02,034 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 01:12:02,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:12:02,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761669570] [2023-08-29 01:12:02,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761669570] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:12:02,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:12:02,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:12:02,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26159684] [2023-08-29 01:12:02,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:12:02,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:12:02,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:12:02,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:12:02,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:12:02,878 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 499 [2023-08-29 01:12:02,879 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 1002 transitions, 44372 flow. Second operand has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:12:02,879 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:12:02,879 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 499 [2023-08-29 01:12:02,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:12:06,729 INFO L130 PetriNetUnfolder]: 2983/6571 cut-off events. [2023-08-29 01:12:06,729 INFO L131 PetriNetUnfolder]: For 510625/510650 co-relation queries the response was YES. [2023-08-29 01:12:06,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83013 conditions, 6571 events. 2983/6571 cut-off events. For 510625/510650 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 54022 event pairs, 282 based on Foata normal form. 27/6464 useless extension candidates. Maximal degree in co-relation 82898. Up to 2973 conditions per place. [2023-08-29 01:12:06,828 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 821 selfloop transitions, 373 changer transitions 0/1211 dead transitions. [2023-08-29 01:12:06,829 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 1211 transitions, 50975 flow [2023-08-29 01:12:06,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 01:12:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 01:12:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3387 transitions. [2023-08-29 01:12:06,832 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42422344689378755 [2023-08-29 01:12:06,832 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3387 transitions. [2023-08-29 01:12:06,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3387 transitions. [2023-08-29 01:12:06,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:12:06,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3387 transitions. [2023-08-29 01:12:06,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 211.6875) internal successors, (3387), 16 states have internal predecessors, (3387), 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 01:12:06,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 499.0) internal successors, (8483), 17 states have internal predecessors, (8483), 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 01:12:06,838 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 499.0) internal successors, (8483), 17 states have internal predecessors, (8483), 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 01:12:06,838 INFO L175 Difference]: Start difference. First operand has 321 places, 1002 transitions, 44372 flow. Second operand 16 states and 3387 transitions. [2023-08-29 01:12:06,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 1211 transitions, 50975 flow [2023-08-29 01:12:09,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 1211 transitions, 50715 flow, removed 57 selfloop flow, removed 3 redundant places. [2023-08-29 01:12:09,106 INFO L231 Difference]: Finished difference. Result has 339 places, 1084 transitions, 47860 flow [2023-08-29 01:12:09,107 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=44167, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1002, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=298, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=667, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=47860, PETRI_PLACES=339, PETRI_TRANSITIONS=1084} [2023-08-29 01:12:09,107 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 256 predicate places. [2023-08-29 01:12:09,108 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 1084 transitions, 47860 flow [2023-08-29 01:12:09,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:12:09,108 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:12:09,108 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:12:09,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-08-29 01:12:09,108 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:12:09,109 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:12:09,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1540727430, now seen corresponding path program 2 times [2023-08-29 01:12:09,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:12:09,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528866837] [2023-08-29 01:12:09,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:12:09,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:12:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:12:09,409 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 01:12:09,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:12:09,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528866837] [2023-08-29 01:12:09,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528866837] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:12:09,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:12:09,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:12:09,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468496388] [2023-08-29 01:12:09,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:12:09,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:12:09,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:12:09,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:12:09,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:12:10,079 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 499 [2023-08-29 01:12:10,080 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 1084 transitions, 47860 flow. Second operand has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:12:10,080 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:12:10,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 499 [2023-08-29 01:12:10,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:12:13,694 INFO L130 PetriNetUnfolder]: 3098/6856 cut-off events. [2023-08-29 01:12:13,694 INFO L131 PetriNetUnfolder]: For 548594/548616 co-relation queries the response was YES. [2023-08-29 01:12:13,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89296 conditions, 6856 events. 3098/6856 cut-off events. For 548594/548616 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 56975 event pairs, 435 based on Foata normal form. 26/6739 useless extension candidates. Maximal degree in co-relation 89175. Up to 3246 conditions per place. [2023-08-29 01:12:13,785 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 742 selfloop transitions, 449 changer transitions 0/1208 dead transitions. [2023-08-29 01:12:13,786 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 1208 transitions, 53402 flow [2023-08-29 01:12:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:12:13,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:12:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2349 transitions. [2023-08-29 01:12:13,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4279468026963017 [2023-08-29 01:12:13,802 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2349 transitions. [2023-08-29 01:12:13,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2349 transitions. [2023-08-29 01:12:13,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:12:13,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2349 transitions. [2023-08-29 01:12:13,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 213.54545454545453) internal successors, (2349), 11 states have internal predecessors, (2349), 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 01:12:13,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:12:13,818 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 499.0) internal successors, (5988), 12 states have internal predecessors, (5988), 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 01:12:13,819 INFO L175 Difference]: Start difference. First operand has 339 places, 1084 transitions, 47860 flow. Second operand 11 states and 2349 transitions. [2023-08-29 01:12:13,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 1208 transitions, 53402 flow [2023-08-29 01:12:15,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 1208 transitions, 53026 flow, removed 64 selfloop flow, removed 2 redundant places. [2023-08-29 01:12:15,942 INFO L231 Difference]: Finished difference. Result has 351 places, 1128 transitions, 51316 flow [2023-08-29 01:12:15,942 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=47533, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1084, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=405, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=51316, PETRI_PLACES=351, PETRI_TRANSITIONS=1128} [2023-08-29 01:12:15,943 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 268 predicate places. [2023-08-29 01:12:15,943 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 1128 transitions, 51316 flow [2023-08-29 01:12:15,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:12:15,943 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:12:15,943 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:12:15,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-08-29 01:12:15,944 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:12:15,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:12:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash -711589456, now seen corresponding path program 3 times [2023-08-29 01:12:15,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:12:15,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438400765] [2023-08-29 01:12:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:12:15,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:12:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:12:16,314 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 01:12:16,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:12:16,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438400765] [2023-08-29 01:12:16,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438400765] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:12:16,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:12:16,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:12:16,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774492461] [2023-08-29 01:12:16,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:12:16,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:12:16,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:12:16,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:12:16,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:12:17,282 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 499 [2023-08-29 01:12:17,283 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 1128 transitions, 51316 flow. Second operand has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:12:17,284 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:12:17,284 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 499 [2023-08-29 01:12:17,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:12:22,028 INFO L130 PetriNetUnfolder]: 4198/9176 cut-off events. [2023-08-29 01:12:22,029 INFO L131 PetriNetUnfolder]: For 797512/797542 co-relation queries the response was YES. [2023-08-29 01:12:22,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123997 conditions, 9176 events. 4198/9176 cut-off events. For 797512/797542 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 79799 event pairs, 337 based on Foata normal form. 38/9030 useless extension candidates. Maximal degree in co-relation 123873. Up to 4456 conditions per place. [2023-08-29 01:12:22,164 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1284 selfloop transitions, 444 changer transitions 0/1745 dead transitions. [2023-08-29 01:12:22,164 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 1745 transitions, 76391 flow [2023-08-29 01:12:22,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:12:22,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:12:22,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2989 transitions. [2023-08-29 01:12:22,167 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4278557114228457 [2023-08-29 01:12:22,167 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2989 transitions. [2023-08-29 01:12:22,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2989 transitions. [2023-08-29 01:12:22,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:12:22,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2989 transitions. [2023-08-29 01:12:22,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 213.5) internal successors, (2989), 14 states have internal predecessors, (2989), 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 01:12:22,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 499.0) internal successors, (7485), 15 states have internal predecessors, (7485), 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 01:12:22,172 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 499.0) internal successors, (7485), 15 states have internal predecessors, (7485), 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 01:12:22,172 INFO L175 Difference]: Start difference. First operand has 351 places, 1128 transitions, 51316 flow. Second operand 14 states and 2989 transitions. [2023-08-29 01:12:22,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 1745 transitions, 76391 flow [2023-08-29 01:12:25,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 1745 transitions, 76064 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 01:12:25,746 INFO L231 Difference]: Finished difference. Result has 368 places, 1319 transitions, 61960 flow [2023-08-29 01:12:25,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=51084, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=267, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=773, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=61960, PETRI_PLACES=368, PETRI_TRANSITIONS=1319} [2023-08-29 01:12:25,747 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 285 predicate places. [2023-08-29 01:12:25,748 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 1319 transitions, 61960 flow [2023-08-29 01:12:25,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:12:25,748 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:12:25,748 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:12:25,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-08-29 01:12:25,748 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:12:25,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:12:25,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1534586640, now seen corresponding path program 4 times [2023-08-29 01:12:25,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:12:25,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813067145] [2023-08-29 01:12:25,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:12:25,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:12:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:12:26,052 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 01:12:26,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:12:26,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813067145] [2023-08-29 01:12:26,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813067145] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:12:26,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:12:26,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:12:26,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2853683] [2023-08-29 01:12:26,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:12:26,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:12:26,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:12:26,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:12:26,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:12:26,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 499 [2023-08-29 01:12:26,893 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 1319 transitions, 61960 flow. Second operand has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:12:26,893 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:12:26,893 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 499 [2023-08-29 01:12:26,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:12:32,902 INFO L130 PetriNetUnfolder]: 4296/9424 cut-off events. [2023-08-29 01:12:32,902 INFO L131 PetriNetUnfolder]: For 855562/855589 co-relation queries the response was YES. [2023-08-29 01:12:32,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130957 conditions, 9424 events. 4296/9424 cut-off events. For 855562/855589 co-relation queries the response was YES. Maximal size of possible extension queue 563. Compared 82527 event pairs, 604 based on Foata normal form. 31/9260 useless extension candidates. Maximal degree in co-relation 130824. Up to 4619 conditions per place. [2023-08-29 01:12:33,036 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 849 selfloop transitions, 573 changer transitions 0/1439 dead transitions. [2023-08-29 01:12:33,036 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 1439 transitions, 67626 flow [2023-08-29 01:12:33,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-29 01:12:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-29 01:12:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2557 transitions. [2023-08-29 01:12:33,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4270207080828323 [2023-08-29 01:12:33,038 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2557 transitions. [2023-08-29 01:12:33,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2557 transitions. [2023-08-29 01:12:33,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:12:33,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2557 transitions. [2023-08-29 01:12:33,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 213.08333333333334) internal successors, (2557), 12 states have internal predecessors, (2557), 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 01:12:33,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 499.0) internal successors, (6487), 13 states have internal predecessors, (6487), 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 01:12:33,043 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 499.0) internal successors, (6487), 13 states have internal predecessors, (6487), 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 01:12:33,043 INFO L175 Difference]: Start difference. First operand has 368 places, 1319 transitions, 61960 flow. Second operand 12 states and 2557 transitions. [2023-08-29 01:12:33,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 1439 transitions, 67626 flow [2023-08-29 01:12:37,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 1439 transitions, 67457 flow, removed 44 selfloop flow, removed 2 redundant places. [2023-08-29 01:12:37,227 INFO L231 Difference]: Finished difference. Result has 382 places, 1357 transitions, 65661 flow [2023-08-29 01:12:37,228 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=61804, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=536, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=762, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=65661, PETRI_PLACES=382, PETRI_TRANSITIONS=1357} [2023-08-29 01:12:37,228 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 299 predicate places. [2023-08-29 01:12:37,228 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 1357 transitions, 65661 flow [2023-08-29 01:12:37,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:12:37,229 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:12:37,229 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:12:37,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-08-29 01:12:37,229 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:12:37,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:12:37,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1049301634, now seen corresponding path program 5 times [2023-08-29 01:12:37,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:12:37,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551033319] [2023-08-29 01:12:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:12:37,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:12:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:12:37,503 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 01:12:37,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:12:37,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551033319] [2023-08-29 01:12:37,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551033319] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:12:37,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:12:37,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:12:37,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263704005] [2023-08-29 01:12:37,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:12:37,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:12:37,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:12:37,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:12:37,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:12:38,287 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 499 [2023-08-29 01:12:38,288 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 1357 transitions, 65661 flow. Second operand has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:12:38,288 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:12:38,288 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 499 [2023-08-29 01:12:38,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:12:44,686 INFO L130 PetriNetUnfolder]: 4375/9582 cut-off events. [2023-08-29 01:12:44,686 INFO L131 PetriNetUnfolder]: For 930343/930370 co-relation queries the response was YES. [2023-08-29 01:12:44,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136672 conditions, 9582 events. 4375/9582 cut-off events. For 930343/930370 co-relation queries the response was YES. Maximal size of possible extension queue 568. Compared 83662 event pairs, 542 based on Foata normal form. 31/9417 useless extension candidates. Maximal degree in co-relation 136534. Up to 4672 conditions per place. [2023-08-29 01:12:44,825 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 1284 selfloop transitions, 485 changer transitions 0/1786 dead transitions. [2023-08-29 01:12:44,825 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 1786 transitions, 82586 flow [2023-08-29 01:12:44,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-29 01:12:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-29 01:12:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2571 transitions. [2023-08-29 01:12:44,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42935871743486975 [2023-08-29 01:12:44,828 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2571 transitions. [2023-08-29 01:12:44,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2571 transitions. [2023-08-29 01:12:44,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:12:44,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2571 transitions. [2023-08-29 01:12:44,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 214.25) internal successors, (2571), 12 states have internal predecessors, (2571), 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 01:12:44,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 499.0) internal successors, (6487), 13 states have internal predecessors, (6487), 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 01:12:44,832 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 499.0) internal successors, (6487), 13 states have internal predecessors, (6487), 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 01:12:44,832 INFO L175 Difference]: Start difference. First operand has 382 places, 1357 transitions, 65661 flow. Second operand 12 states and 2571 transitions. [2023-08-29 01:12:44,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 1786 transitions, 82586 flow [2023-08-29 01:12:49,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 1786 transitions, 82355 flow, removed 29 selfloop flow, removed 5 redundant places. [2023-08-29 01:12:49,607 INFO L231 Difference]: Finished difference. Result has 395 places, 1448 transitions, 72810 flow [2023-08-29 01:12:49,608 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=65458, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=395, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=876, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=72810, PETRI_PLACES=395, PETRI_TRANSITIONS=1448} [2023-08-29 01:12:49,609 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 312 predicate places. [2023-08-29 01:12:49,609 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 1448 transitions, 72810 flow [2023-08-29 01:12:49,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:12:49,609 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:12:49,609 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:12:49,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-08-29 01:12:49,610 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:12:49,610 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:12:49,610 INFO L85 PathProgramCache]: Analyzing trace with hash 229917876, now seen corresponding path program 6 times [2023-08-29 01:12:49,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:12:49,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606242087] [2023-08-29 01:12:49,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:12:49,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:12:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:12:49,878 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 01:12:49,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:12:49,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606242087] [2023-08-29 01:12:49,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606242087] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:12:49,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:12:49,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:12:49,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127147729] [2023-08-29 01:12:49,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:12:49,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:12:49,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:12:49,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:12:49,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:12:50,719 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 499 [2023-08-29 01:12:50,720 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 1448 transitions, 72810 flow. Second operand has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:12:50,720 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:12:50,720 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 499 [2023-08-29 01:12:50,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:12:57,618 INFO L130 PetriNetUnfolder]: 4735/10378 cut-off events. [2023-08-29 01:12:57,618 INFO L131 PetriNetUnfolder]: For 1089423/1089450 co-relation queries the response was YES. [2023-08-29 01:12:57,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151627 conditions, 10378 events. 4735/10378 cut-off events. For 1089423/1089450 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 92039 event pairs, 498 based on Foata normal form. 43/10202 useless extension candidates. Maximal degree in co-relation 151482. Up to 5148 conditions per place. [2023-08-29 01:12:57,775 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 820 selfloop transitions, 866 changer transitions 0/1703 dead transitions. [2023-08-29 01:12:57,775 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 1703 transitions, 84831 flow [2023-08-29 01:12:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-29 01:12:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-29 01:12:57,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3808 transitions. [2023-08-29 01:12:57,778 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42395902916945 [2023-08-29 01:12:57,778 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3808 transitions. [2023-08-29 01:12:57,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3808 transitions. [2023-08-29 01:12:57,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:12:57,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3808 transitions. [2023-08-29 01:12:57,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 211.55555555555554) internal successors, (3808), 18 states have internal predecessors, (3808), 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 01:12:57,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 499.0) internal successors, (9481), 19 states have internal predecessors, (9481), 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 01:12:57,785 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 499.0) internal successors, (9481), 19 states have internal predecessors, (9481), 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 01:12:57,785 INFO L175 Difference]: Start difference. First operand has 395 places, 1448 transitions, 72810 flow. Second operand 18 states and 3808 transitions. [2023-08-29 01:12:57,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 1703 transitions, 84831 flow [2023-08-29 01:13:04,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 1703 transitions, 84724 flow, removed 51 selfloop flow, removed 2 redundant places. [2023-08-29 01:13:04,293 INFO L231 Difference]: Finished difference. Result has 417 places, 1606 transitions, 83437 flow [2023-08-29 01:13:04,294 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=72703, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=712, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=667, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=83437, PETRI_PLACES=417, PETRI_TRANSITIONS=1606} [2023-08-29 01:13:04,294 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 334 predicate places. [2023-08-29 01:13:04,294 INFO L495 AbstractCegarLoop]: Abstraction has has 417 places, 1606 transitions, 83437 flow [2023-08-29 01:13:04,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:13:04,295 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:13:04,295 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:13:04,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-08-29 01:13:04,295 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:13:04,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:13:04,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1683011036, now seen corresponding path program 7 times [2023-08-29 01:13:04,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:13:04,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648861361] [2023-08-29 01:13:04,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:13:04,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:13:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:13:04,592 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 01:13:04,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:13:04,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648861361] [2023-08-29 01:13:04,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648861361] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:13:04,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:13:04,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:13:04,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73788939] [2023-08-29 01:13:04,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:13:04,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:13:04,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:13:04,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:13:04,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:13:05,336 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 499 [2023-08-29 01:13:05,337 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 1606 transitions, 83437 flow. Second operand has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:13:05,337 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:13:05,337 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 499 [2023-08-29 01:13:05,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:13:12,814 INFO L130 PetriNetUnfolder]: 4843/10746 cut-off events. [2023-08-29 01:13:12,814 INFO L131 PetriNetUnfolder]: For 1169170/1169197 co-relation queries the response was YES. [2023-08-29 01:13:12,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161708 conditions, 10746 events. 4843/10746 cut-off events. For 1169170/1169197 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 96761 event pairs, 533 based on Foata normal form. 37/10543 useless extension candidates. Maximal degree in co-relation 161556. Up to 5348 conditions per place. [2023-08-29 01:13:12,983 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 919 selfloop transitions, 865 changer transitions 0/1801 dead transitions. [2023-08-29 01:13:12,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 1801 transitions, 94316 flow [2023-08-29 01:13:12,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 01:13:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 01:13:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3395 transitions. [2023-08-29 01:13:12,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4252254509018036 [2023-08-29 01:13:12,986 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3395 transitions. [2023-08-29 01:13:12,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3395 transitions. [2023-08-29 01:13:12,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:13:12,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3395 transitions. [2023-08-29 01:13:12,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 212.1875) internal successors, (3395), 16 states have internal predecessors, (3395), 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 01:13:12,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 499.0) internal successors, (8483), 17 states have internal predecessors, (8483), 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 01:13:12,991 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 499.0) internal successors, (8483), 17 states have internal predecessors, (8483), 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 01:13:12,992 INFO L175 Difference]: Start difference. First operand has 417 places, 1606 transitions, 83437 flow. Second operand 16 states and 3395 transitions. [2023-08-29 01:13:12,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 1801 transitions, 94316 flow [2023-08-29 01:13:21,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 1801 transitions, 93523 flow, removed 243 selfloop flow, removed 4 redundant places. [2023-08-29 01:13:21,631 INFO L231 Difference]: Finished difference. Result has 435 places, 1727 transitions, 93038 flow [2023-08-29 01:13:21,633 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=82678, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=745, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=778, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=93038, PETRI_PLACES=435, PETRI_TRANSITIONS=1727} [2023-08-29 01:13:21,635 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 352 predicate places. [2023-08-29 01:13:21,635 INFO L495 AbstractCegarLoop]: Abstraction has has 435 places, 1727 transitions, 93038 flow [2023-08-29 01:13:21,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 202.54545454545453) internal successors, (2228), 11 states have internal predecessors, (2228), 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 01:13:21,636 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:13:21,636 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:13:21,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-08-29 01:13:21,636 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:13:21,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:13:21,636 INFO L85 PathProgramCache]: Analyzing trace with hash -872468453, now seen corresponding path program 1 times [2023-08-29 01:13:21,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:13:21,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837889140] [2023-08-29 01:13:21,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:13:21,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:13:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:13:21,801 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 01:13:21,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:13:21,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837889140] [2023-08-29 01:13:21,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837889140] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:13:21,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:13:21,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:13:21,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941099748] [2023-08-29 01:13:21,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:13:21,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:13:21,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:13:21,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:13:21,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:13:22,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 499 [2023-08-29 01:13:22,143 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 1727 transitions, 93038 flow. Second operand has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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 01:13:22,143 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:13:22,144 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 499 [2023-08-29 01:13:22,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:13:27,817 INFO L130 PetriNetUnfolder]: 3727/9330 cut-off events. [2023-08-29 01:13:27,817 INFO L131 PetriNetUnfolder]: For 1078243/1080794 co-relation queries the response was YES. [2023-08-29 01:13:27,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146437 conditions, 9330 events. 3727/9330 cut-off events. For 1078243/1080794 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 91793 event pairs, 889 based on Foata normal form. 42/8756 useless extension candidates. Maximal degree in co-relation 146280. Up to 6135 conditions per place. [2023-08-29 01:13:28,105 INFO L137 encePairwiseOnDemand]: 489/499 looper letters, 1140 selfloop transitions, 226 changer transitions 0/1780 dead transitions. [2023-08-29 01:13:28,105 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 1780 transitions, 98548 flow [2023-08-29 01:13:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:13:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:13:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1253 transitions. [2023-08-29 01:13:28,107 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41850367401469607 [2023-08-29 01:13:28,107 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1253 transitions. [2023-08-29 01:13:28,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1253 transitions. [2023-08-29 01:13:28,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:13:28,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1253 transitions. [2023-08-29 01:13:28,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.83333333333334) internal successors, (1253), 6 states have internal predecessors, (1253), 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 01:13:28,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 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 01:13:28,110 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 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 01:13:28,110 INFO L175 Difference]: Start difference. First operand has 435 places, 1727 transitions, 93038 flow. Second operand 6 states and 1253 transitions. [2023-08-29 01:13:28,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 1780 transitions, 98548 flow [2023-08-29 01:13:33,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 1780 transitions, 98116 flow, removed 173 selfloop flow, removed 3 redundant places. [2023-08-29 01:13:33,684 INFO L231 Difference]: Finished difference. Result has 437 places, 1759 transitions, 95423 flow [2023-08-29 01:13:33,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=92609, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=193, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1500, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=95423, PETRI_PLACES=437, PETRI_TRANSITIONS=1759} [2023-08-29 01:13:33,686 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 354 predicate places. [2023-08-29 01:13:33,686 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 1759 transitions, 95423 flow [2023-08-29 01:13:33,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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 01:13:33,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:13:33,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:13:33,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-08-29 01:13:33,686 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:13:33,687 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:13:33,687 INFO L85 PathProgramCache]: Analyzing trace with hash 2068983396, now seen corresponding path program 1 times [2023-08-29 01:13:33,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:13:33,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070481461] [2023-08-29 01:13:33,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:13:33,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:13:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:13:34,020 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 01:13:34,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:13:34,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070481461] [2023-08-29 01:13:34,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070481461] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:13:34,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:13:34,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:13:34,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74050081] [2023-08-29 01:13:34,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:13:34,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:13:34,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:13:34,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:13:34,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:13:35,026 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:13:35,027 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 1759 transitions, 95423 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:13:35,027 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:13:35,027 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:13:35,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:13:42,589 INFO L130 PetriNetUnfolder]: 4851/10648 cut-off events. [2023-08-29 01:13:42,589 INFO L131 PetriNetUnfolder]: For 1254542/1254567 co-relation queries the response was YES. [2023-08-29 01:13:42,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166175 conditions, 10648 events. 4851/10648 cut-off events. For 1254542/1254567 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 95299 event pairs, 492 based on Foata normal form. 16/10443 useless extension candidates. Maximal degree in co-relation 166017. Up to 5356 conditions per place. [2023-08-29 01:13:42,768 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1556 selfloop transitions, 530 changer transitions 0/2102 dead transitions. [2023-08-29 01:13:42,768 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 2102 transitions, 108482 flow [2023-08-29 01:13:42,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:13:42,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:13:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2742 transitions. [2023-08-29 01:13:42,771 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42269153691999384 [2023-08-29 01:13:42,771 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2742 transitions. [2023-08-29 01:13:42,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2742 transitions. [2023-08-29 01:13:42,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:13:42,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2742 transitions. [2023-08-29 01:13:42,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 210.92307692307693) internal successors, (2742), 13 states have internal predecessors, (2742), 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 01:13:42,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 499.0) internal successors, (6986), 14 states have internal predecessors, (6986), 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 01:13:42,776 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 499.0) internal successors, (6986), 14 states have internal predecessors, (6986), 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 01:13:42,776 INFO L175 Difference]: Start difference. First operand has 437 places, 1759 transitions, 95423 flow. Second operand 13 states and 2742 transitions. [2023-08-29 01:13:42,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 2102 transitions, 108482 flow [2023-08-29 01:13:52,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 2102 transitions, 107505 flow, removed 258 selfloop flow, removed 5 redundant places. [2023-08-29 01:13:52,140 INFO L231 Difference]: Finished difference. Result has 450 places, 1798 transitions, 97219 flow [2023-08-29 01:13:52,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=94564, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1759, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=491, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=97219, PETRI_PLACES=450, PETRI_TRANSITIONS=1798} [2023-08-29 01:13:52,141 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 367 predicate places. [2023-08-29 01:13:52,142 INFO L495 AbstractCegarLoop]: Abstraction has has 450 places, 1798 transitions, 97219 flow [2023-08-29 01:13:52,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:13:52,142 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:13:52,142 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:13:52,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-08-29 01:13:52,142 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:13:52,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:13:52,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1240793876, now seen corresponding path program 2 times [2023-08-29 01:13:52,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:13:52,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153541386] [2023-08-29 01:13:52,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:13:52,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:13:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:13:52,509 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 01:13:52,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:13:52,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153541386] [2023-08-29 01:13:52,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153541386] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:13:52,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:13:52,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:13:52,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486282574] [2023-08-29 01:13:52,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:13:52,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:13:52,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:13:52,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:13:52,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:13:53,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:13:53,710 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 1798 transitions, 97219 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:13:53,710 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:13:53,710 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:13:53,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:14:02,063 INFO L130 PetriNetUnfolder]: 4933/10782 cut-off events. [2023-08-29 01:14:02,063 INFO L131 PetriNetUnfolder]: For 1331963/1332000 co-relation queries the response was YES. [2023-08-29 01:14:02,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171088 conditions, 10782 events. 4933/10782 cut-off events. For 1331963/1332000 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 96631 event pairs, 435 based on Foata normal form. 28/10597 useless extension candidates. Maximal degree in co-relation 170924. Up to 5148 conditions per place. [2023-08-29 01:14:02,238 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1602 selfloop transitions, 520 changer transitions 0/2138 dead transitions. [2023-08-29 01:14:02,239 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 2138 transitions, 110566 flow [2023-08-29 01:14:02,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:14:02,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:14:02,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2754 transitions. [2023-08-29 01:14:02,241 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4245413904732542 [2023-08-29 01:14:02,241 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2754 transitions. [2023-08-29 01:14:02,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2754 transitions. [2023-08-29 01:14:02,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:14:02,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2754 transitions. [2023-08-29 01:14:02,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 211.84615384615384) internal successors, (2754), 13 states have internal predecessors, (2754), 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 01:14:02,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 499.0) internal successors, (6986), 14 states have internal predecessors, (6986), 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 01:14:02,246 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 499.0) internal successors, (6986), 14 states have internal predecessors, (6986), 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 01:14:02,246 INFO L175 Difference]: Start difference. First operand has 450 places, 1798 transitions, 97219 flow. Second operand 13 states and 2754 transitions. [2023-08-29 01:14:02,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 2138 transitions, 110566 flow [2023-08-29 01:14:13,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 2138 transitions, 109996 flow, removed 82 selfloop flow, removed 7 redundant places. [2023-08-29 01:14:13,801 INFO L231 Difference]: Finished difference. Result has 460 places, 1817 transitions, 98943 flow [2023-08-29 01:14:13,802 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=96649, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1798, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=503, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=98943, PETRI_PLACES=460, PETRI_TRANSITIONS=1817} [2023-08-29 01:14:13,803 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 377 predicate places. [2023-08-29 01:14:13,803 INFO L495 AbstractCegarLoop]: Abstraction has has 460 places, 1817 transitions, 98943 flow [2023-08-29 01:14:13,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:14:13,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:14:13,803 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:14:13,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-08-29 01:14:13,804 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:14:13,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:14:13,804 INFO L85 PathProgramCache]: Analyzing trace with hash 367607170, now seen corresponding path program 3 times [2023-08-29 01:14:13,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:14:13,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085622084] [2023-08-29 01:14:13,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:14:13,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:14:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:14:14,153 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 01:14:14,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:14:14,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085622084] [2023-08-29 01:14:14,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085622084] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:14:14,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:14:14,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:14:14,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536526647] [2023-08-29 01:14:14,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:14:14,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:14:14,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:14:14,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:14:14,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:14:15,348 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:14:15,349 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 1817 transitions, 98943 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:14:15,349 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:14:15,349 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:14:15,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:14:24,642 INFO L130 PetriNetUnfolder]: 4988/11003 cut-off events. [2023-08-29 01:14:24,643 INFO L131 PetriNetUnfolder]: For 1392839/1392882 co-relation queries the response was YES. [2023-08-29 01:14:24,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175013 conditions, 11003 events. 4988/11003 cut-off events. For 1392839/1392882 co-relation queries the response was YES. Maximal size of possible extension queue 677. Compared 99552 event pairs, 433 based on Foata normal form. 32/10814 useless extension candidates. Maximal degree in co-relation 174848. Up to 5236 conditions per place. [2023-08-29 01:14:24,862 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1602 selfloop transitions, 536 changer transitions 0/2154 dead transitions. [2023-08-29 01:14:24,862 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 2154 transitions, 112266 flow [2023-08-29 01:14:24,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:14:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:14:24,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2951 transitions. [2023-08-29 01:14:24,864 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4224162610936158 [2023-08-29 01:14:24,865 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2951 transitions. [2023-08-29 01:14:24,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2951 transitions. [2023-08-29 01:14:24,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:14:24,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2951 transitions. [2023-08-29 01:14:24,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 210.78571428571428) internal successors, (2951), 14 states have internal predecessors, (2951), 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 01:14:24,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 499.0) internal successors, (7485), 15 states have internal predecessors, (7485), 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 01:14:24,870 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 499.0) internal successors, (7485), 15 states have internal predecessors, (7485), 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 01:14:24,871 INFO L175 Difference]: Start difference. First operand has 460 places, 1817 transitions, 98943 flow. Second operand 14 states and 2951 transitions. [2023-08-29 01:14:24,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 2154 transitions, 112266 flow [2023-08-29 01:14:35,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 2154 transitions, 111761 flow, removed 73 selfloop flow, removed 4 redundant places. [2023-08-29 01:14:35,513 INFO L231 Difference]: Finished difference. Result has 474 places, 1836 transitions, 100843 flow [2023-08-29 01:14:35,514 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=98446, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1817, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=100843, PETRI_PLACES=474, PETRI_TRANSITIONS=1836} [2023-08-29 01:14:35,515 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 391 predicate places. [2023-08-29 01:14:35,515 INFO L495 AbstractCegarLoop]: Abstraction has has 474 places, 1836 transitions, 100843 flow [2023-08-29 01:14:35,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:14:35,515 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:14:35,515 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:14:35,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-08-29 01:14:35,516 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:14:35,516 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:14:35,516 INFO L85 PathProgramCache]: Analyzing trace with hash -864718782, now seen corresponding path program 4 times [2023-08-29 01:14:35,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:14:35,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306123994] [2023-08-29 01:14:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:14:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:14:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:14:35,863 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 01:14:35,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:14:35,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306123994] [2023-08-29 01:14:35,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306123994] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:14:35,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:14:35,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:14:35,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626045046] [2023-08-29 01:14:35,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:14:35,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:14:35,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:14:35,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:14:35,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:14:36,843 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:14:36,844 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 1836 transitions, 100843 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:14:36,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:14:36,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:14:36,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:14:45,931 INFO L130 PetriNetUnfolder]: 5016/11173 cut-off events. [2023-08-29 01:14:45,931 INFO L131 PetriNetUnfolder]: For 1452866/1452902 co-relation queries the response was YES. [2023-08-29 01:14:46,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178579 conditions, 11173 events. 5016/11173 cut-off events. For 1452866/1452902 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 102043 event pairs, 460 based on Foata normal form. 27/10966 useless extension candidates. Maximal degree in co-relation 178409. Up to 5284 conditions per place. [2023-08-29 01:14:46,119 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1616 selfloop transitions, 529 changer transitions 0/2161 dead transitions. [2023-08-29 01:14:46,119 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 2161 transitions, 113722 flow [2023-08-29 01:14:46,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:14:46,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:14:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2755 transitions. [2023-08-29 01:14:46,121 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4246955449360259 [2023-08-29 01:14:46,121 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2755 transitions. [2023-08-29 01:14:46,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2755 transitions. [2023-08-29 01:14:46,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:14:46,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2755 transitions. [2023-08-29 01:14:46,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 211.92307692307693) internal successors, (2755), 13 states have internal predecessors, (2755), 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 01:14:46,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 499.0) internal successors, (6986), 14 states have internal predecessors, (6986), 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 01:14:46,130 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 499.0) internal successors, (6986), 14 states have internal predecessors, (6986), 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 01:14:46,130 INFO L175 Difference]: Start difference. First operand has 474 places, 1836 transitions, 100843 flow. Second operand 13 states and 2755 transitions. [2023-08-29 01:14:46,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 2161 transitions, 113722 flow [2023-08-29 01:14:56,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 2161 transitions, 113080 flow, removed 34 selfloop flow, removed 4 redundant places. [2023-08-29 01:14:56,712 INFO L231 Difference]: Finished difference. Result has 488 places, 1850 transitions, 102324 flow [2023-08-29 01:14:56,728 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=100221, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1836, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=515, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=102324, PETRI_PLACES=488, PETRI_TRANSITIONS=1850} [2023-08-29 01:14:56,728 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 405 predicate places. [2023-08-29 01:14:56,728 INFO L495 AbstractCegarLoop]: Abstraction has has 488 places, 1850 transitions, 102324 flow [2023-08-29 01:14:56,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:14:56,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:14:56,729 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:14:56,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-08-29 01:14:56,729 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:14:56,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:14:56,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1522036780, now seen corresponding path program 5 times [2023-08-29 01:14:56,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:14:56,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294769756] [2023-08-29 01:14:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:14:56,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:14:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:14:57,150 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 01:14:57,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:14:57,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294769756] [2023-08-29 01:14:57,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294769756] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:14:57,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:14:57,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:14:57,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220051448] [2023-08-29 01:14:57,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:14:57,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:14:57,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:14:57,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:14:57,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:14:58,381 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:14:58,382 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 1850 transitions, 102324 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:14:58,382 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:14:58,382 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:14:58,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:15:07,072 INFO L130 PetriNetUnfolder]: 5034/11258 cut-off events. [2023-08-29 01:15:07,072 INFO L131 PetriNetUnfolder]: For 1506379/1506422 co-relation queries the response was YES. [2023-08-29 01:15:07,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180780 conditions, 11258 events. 5034/11258 cut-off events. For 1506379/1506422 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 103358 event pairs, 443 based on Foata normal form. 32/11053 useless extension candidates. Maximal degree in co-relation 180604. Up to 5322 conditions per place. [2023-08-29 01:15:07,281 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1612 selfloop transitions, 547 changer transitions 0/2175 dead transitions. [2023-08-29 01:15:07,281 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 2175 transitions, 115118 flow [2023-08-29 01:15:07,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-29 01:15:07,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-29 01:15:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3156 transitions. [2023-08-29 01:15:07,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4216432865731463 [2023-08-29 01:15:07,283 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 3156 transitions. [2023-08-29 01:15:07,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 3156 transitions. [2023-08-29 01:15:07,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:15:07,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 3156 transitions. [2023-08-29 01:15:07,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 210.4) internal successors, (3156), 15 states have internal predecessors, (3156), 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 01:15:07,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 499.0) internal successors, (7984), 16 states have internal predecessors, (7984), 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 01:15:07,289 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 499.0) internal successors, (7984), 16 states have internal predecessors, (7984), 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 01:15:07,289 INFO L175 Difference]: Start difference. First operand has 488 places, 1850 transitions, 102324 flow. Second operand 15 states and 3156 transitions. [2023-08-29 01:15:07,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 2175 transitions, 115118 flow [2023-08-29 01:15:18,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 2175 transitions, 114585 flow, removed 64 selfloop flow, removed 5 redundant places. [2023-08-29 01:15:18,605 INFO L231 Difference]: Finished difference. Result has 501 places, 1860 transitions, 103639 flow [2023-08-29 01:15:18,606 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=101791, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1850, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=537, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=103639, PETRI_PLACES=501, PETRI_TRANSITIONS=1860} [2023-08-29 01:15:18,607 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 418 predicate places. [2023-08-29 01:15:18,607 INFO L495 AbstractCegarLoop]: Abstraction has has 501 places, 1860 transitions, 103639 flow [2023-08-29 01:15:18,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:15:18,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:15:18,607 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:15:18,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-08-29 01:15:18,607 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:15:18,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:15:18,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1485885396, now seen corresponding path program 6 times [2023-08-29 01:15:18,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:15:18,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499553444] [2023-08-29 01:15:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:15:18,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:15:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:15:18,996 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 01:15:18,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:15:18,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499553444] [2023-08-29 01:15:18,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499553444] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:15:18,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:15:18,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:15:18,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622238129] [2023-08-29 01:15:18,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:15:18,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:15:18,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:15:18,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:15:18,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:15:20,251 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 499 [2023-08-29 01:15:20,252 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 1860 transitions, 103639 flow. Second operand has 13 states, 13 states have (on average 197.46153846153845) internal successors, (2567), 13 states have internal predecessors, (2567), 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 01:15:20,252 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:15:20,252 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 499 [2023-08-29 01:15:20,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:15:29,967 INFO L130 PetriNetUnfolder]: 5150/11650 cut-off events. [2023-08-29 01:15:29,968 INFO L131 PetriNetUnfolder]: For 1602659/1602711 co-relation queries the response was YES. [2023-08-29 01:15:30,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187372 conditions, 11650 events. 5150/11650 cut-off events. For 1602659/1602711 co-relation queries the response was YES. Maximal size of possible extension queue 701. Compared 108667 event pairs, 693 based on Foata normal form. 39/11435 useless extension candidates. Maximal degree in co-relation 187192. Up to 5507 conditions per place. [2023-08-29 01:15:30,262 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1388 selfloop transitions, 589 changer transitions 0/1993 dead transitions. [2023-08-29 01:15:30,262 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 1993 transitions, 111616 flow [2023-08-29 01:15:30,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:15:30,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:15:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2688 transitions. [2023-08-29 01:15:30,264 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4143671959303222 [2023-08-29 01:15:30,264 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2688 transitions. [2023-08-29 01:15:30,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2688 transitions. [2023-08-29 01:15:30,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:15:30,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2688 transitions. [2023-08-29 01:15:30,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 206.76923076923077) internal successors, (2688), 13 states have internal predecessors, (2688), 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 01:15:30,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 499.0) internal successors, (6986), 14 states have internal predecessors, (6986), 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 01:15:30,491 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 499.0) internal successors, (6986), 14 states have internal predecessors, (6986), 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 01:15:30,491 INFO L175 Difference]: Start difference. First operand has 501 places, 1860 transitions, 103639 flow. Second operand 13 states and 2688 transitions. [2023-08-29 01:15:30,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 1993 transitions, 111616 flow [2023-08-29 01:15:42,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 1993 transitions, 111243 flow, removed 33 selfloop flow, removed 7 redundant places. [2023-08-29 01:15:42,852 INFO L231 Difference]: Finished difference. Result has 509 places, 1882 transitions, 106860 flow [2023-08-29 01:15:42,853 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=103266, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=567, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=106860, PETRI_PLACES=509, PETRI_TRANSITIONS=1882} [2023-08-29 01:15:42,854 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 426 predicate places. [2023-08-29 01:15:42,854 INFO L495 AbstractCegarLoop]: Abstraction has has 509 places, 1882 transitions, 106860 flow [2023-08-29 01:15:42,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 197.46153846153845) internal successors, (2567), 13 states have internal predecessors, (2567), 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 01:15:42,854 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:15:42,854 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:15:42,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-08-29 01:15:42,855 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:15:42,855 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:15:42,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1534160904, now seen corresponding path program 7 times [2023-08-29 01:15:42,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:15:42,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536352481] [2023-08-29 01:15:42,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:15:42,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:15:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:15:43,221 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 01:15:43,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:15:43,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536352481] [2023-08-29 01:15:43,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536352481] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:15:43,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:15:43,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:15:43,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072950825] [2023-08-29 01:15:43,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:15:43,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:15:43,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:15:43,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:15:43,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:15:44,179 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:15:44,180 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 1882 transitions, 106860 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:15:44,180 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:15:44,180 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:15:44,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:15:56,969 INFO L130 PetriNetUnfolder]: 5263/12028 cut-off events. [2023-08-29 01:15:56,970 INFO L131 PetriNetUnfolder]: For 1744025/1744079 co-relation queries the response was YES. [2023-08-29 01:15:57,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195204 conditions, 12028 events. 5263/12028 cut-off events. For 1744025/1744079 co-relation queries the response was YES. Maximal size of possible extension queue 717. Compared 113837 event pairs, 702 based on Foata normal form. 39/11795 useless extension candidates. Maximal degree in co-relation 195021. Up to 5677 conditions per place. [2023-08-29 01:15:57,332 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1403 selfloop transitions, 607 changer transitions 0/2026 dead transitions. [2023-08-29 01:15:57,332 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 2026 transitions, 115237 flow [2023-08-29 01:15:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:15:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:15:57,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2935 transitions. [2023-08-29 01:15:57,335 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42012596621815057 [2023-08-29 01:15:57,335 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2935 transitions. [2023-08-29 01:15:57,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2935 transitions. [2023-08-29 01:15:57,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:15:57,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2935 transitions. [2023-08-29 01:15:57,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 209.64285714285714) internal successors, (2935), 14 states have internal predecessors, (2935), 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 01:15:57,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 499.0) internal successors, (7485), 15 states have internal predecessors, (7485), 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 01:15:57,341 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 499.0) internal successors, (7485), 15 states have internal predecessors, (7485), 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 01:15:57,341 INFO L175 Difference]: Start difference. First operand has 509 places, 1882 transitions, 106860 flow. Second operand 14 states and 2935 transitions. [2023-08-29 01:15:57,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 2026 transitions, 115237 flow [2023-08-29 01:16:11,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 2026 transitions, 115073 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-08-29 01:16:11,493 INFO L231 Difference]: Finished difference. Result has 521 places, 1903 transitions, 109839 flow [2023-08-29 01:16:11,495 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=106698, PETRI_DIFFERENCE_MINUEND_PLACES=503, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1882, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=588, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=109839, PETRI_PLACES=521, PETRI_TRANSITIONS=1903} [2023-08-29 01:16:11,495 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 438 predicate places. [2023-08-29 01:16:11,495 INFO L495 AbstractCegarLoop]: Abstraction has has 521 places, 1903 transitions, 109839 flow [2023-08-29 01:16:11,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:16:11,495 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:16:11,496 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:16:11,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-08-29 01:16:11,496 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:16:11,496 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:16:11,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1715165326, now seen corresponding path program 8 times [2023-08-29 01:16:11,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:16:11,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878045159] [2023-08-29 01:16:11,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:16:11,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:16:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:16:11,816 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 01:16:11,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:16:11,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878045159] [2023-08-29 01:16:11,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878045159] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:16:11,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:16:11,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:16:11,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762635790] [2023-08-29 01:16:11,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:16:11,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:16:11,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:16:11,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:16:11,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:16:12,996 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:16:12,997 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 1903 transitions, 109839 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:16:12,997 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:16:12,997 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:16:12,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:16:26,287 INFO L130 PetriNetUnfolder]: 5731/13393 cut-off events. [2023-08-29 01:16:26,287 INFO L131 PetriNetUnfolder]: For 2024864/2024926 co-relation queries the response was YES. [2023-08-29 01:16:26,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215706 conditions, 13393 events. 5731/13393 cut-off events. For 2024864/2024926 co-relation queries the response was YES. Maximal size of possible extension queue 757. Compared 131472 event pairs, 594 based on Foata normal form. 46/13108 useless extension candidates. Maximal degree in co-relation 215518. Up to 6340 conditions per place. [2023-08-29 01:16:26,667 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1315 selfloop transitions, 818 changer transitions 0/2149 dead transitions. [2023-08-29 01:16:26,667 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 2149 transitions, 122676 flow [2023-08-29 01:16:26,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-08-29 01:16:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-08-29 01:16:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4177 transitions. [2023-08-29 01:16:26,677 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4185370741482966 [2023-08-29 01:16:26,677 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4177 transitions. [2023-08-29 01:16:26,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4177 transitions. [2023-08-29 01:16:26,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:16:26,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4177 transitions. [2023-08-29 01:16:26,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 208.85) internal successors, (4177), 20 states have internal predecessors, (4177), 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 01:16:26,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:16:26,684 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:16:26,685 INFO L175 Difference]: Start difference. First operand has 521 places, 1903 transitions, 109839 flow. Second operand 20 states and 4177 transitions. [2023-08-29 01:16:26,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 2149 transitions, 122676 flow [2023-08-29 01:16:42,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 2149 transitions, 122337 flow, removed 30 selfloop flow, removed 7 redundant places. [2023-08-29 01:16:42,808 INFO L231 Difference]: Finished difference. Result has 540 places, 2011 transitions, 117862 flow [2023-08-29 01:16:42,810 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=109529, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1903, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=729, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=117862, PETRI_PLACES=540, PETRI_TRANSITIONS=2011} [2023-08-29 01:16:42,811 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 457 predicate places. [2023-08-29 01:16:42,811 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 2011 transitions, 117862 flow [2023-08-29 01:16:42,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:16:42,811 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:16:42,815 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:16:42,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-08-29 01:16:42,816 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:16:42,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:16:42,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1590898056, now seen corresponding path program 9 times [2023-08-29 01:16:42,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:16:42,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387681552] [2023-08-29 01:16:42,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:16:42,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:16:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:16:43,159 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 01:16:43,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:16:43,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387681552] [2023-08-29 01:16:43,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387681552] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:16:43,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:16:43,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:16:43,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528064756] [2023-08-29 01:16:43,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:16:43,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:16:43,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:16:43,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:16:43,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:16:44,223 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:16:44,224 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 2011 transitions, 117862 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:16:44,224 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:16:44,224 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:16:44,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:16:57,365 INFO L130 PetriNetUnfolder]: 6045/14212 cut-off events. [2023-08-29 01:16:57,365 INFO L131 PetriNetUnfolder]: For 2275927/2275999 co-relation queries the response was YES. [2023-08-29 01:16:57,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231648 conditions, 14212 events. 6045/14212 cut-off events. For 2275927/2275999 co-relation queries the response was YES. Maximal size of possible extension queue 794. Compared 141655 event pairs, 588 based on Foata normal form. 50/13906 useless extension candidates. Maximal degree in co-relation 231453. Up to 6734 conditions per place. [2023-08-29 01:16:57,643 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1326 selfloop transitions, 861 changer transitions 0/2203 dead transitions. [2023-08-29 01:16:57,644 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 2203 transitions, 128374 flow [2023-08-29 01:16:57,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-08-29 01:16:57,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-08-29 01:16:57,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4182 transitions. [2023-08-29 01:16:57,646 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4190380761523046 [2023-08-29 01:16:57,647 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4182 transitions. [2023-08-29 01:16:57,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4182 transitions. [2023-08-29 01:16:57,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:16:57,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4182 transitions. [2023-08-29 01:16:57,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 209.1) internal successors, (4182), 20 states have internal predecessors, (4182), 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 01:16:57,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:16:57,653 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:16:57,654 INFO L175 Difference]: Start difference. First operand has 540 places, 2011 transitions, 117862 flow. Second operand 20 states and 4182 transitions. [2023-08-29 01:16:57,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 2203 transitions, 128374 flow [2023-08-29 01:17:15,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 2203 transitions, 127593 flow, removed 240 selfloop flow, removed 4 redundant places. [2023-08-29 01:17:15,918 INFO L231 Difference]: Finished difference. Result has 560 places, 2075 transitions, 123100 flow [2023-08-29 01:17:15,919 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=117115, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2011, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=803, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=123100, PETRI_PLACES=560, PETRI_TRANSITIONS=2075} [2023-08-29 01:17:15,920 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 477 predicate places. [2023-08-29 01:17:15,920 INFO L495 AbstractCegarLoop]: Abstraction has has 560 places, 2075 transitions, 123100 flow [2023-08-29 01:17:15,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:17:15,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:17:15,920 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:17:15,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-08-29 01:17:15,921 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:17:15,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:17:15,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1756606200, now seen corresponding path program 10 times [2023-08-29 01:17:15,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:17:15,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994123229] [2023-08-29 01:17:15,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:17:15,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:17:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:17:16,257 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 01:17:16,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:17:16,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994123229] [2023-08-29 01:17:16,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994123229] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:17:16,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:17:16,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:17:16,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143621991] [2023-08-29 01:17:16,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:17:16,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:17:16,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:17:16,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:17:16,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:17:17,367 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:17:17,368 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 2075 transitions, 123100 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:17:17,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:17:17,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:17:17,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:17:31,945 INFO L130 PetriNetUnfolder]: 6238/14988 cut-off events. [2023-08-29 01:17:31,945 INFO L131 PetriNetUnfolder]: For 2429746/2429823 co-relation queries the response was YES. [2023-08-29 01:17:32,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242142 conditions, 14988 events. 6238/14988 cut-off events. For 2429746/2429823 co-relation queries the response was YES. Maximal size of possible extension queue 832. Compared 153196 event pairs, 867 based on Foata normal form. 53/14642 useless extension candidates. Maximal degree in co-relation 241944. Up to 7064 conditions per place. [2023-08-29 01:17:32,365 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1366 selfloop transitions, 862 changer transitions 0/2244 dead transitions. [2023-08-29 01:17:32,365 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 579 places, 2244 transitions, 132421 flow [2023-08-29 01:17:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-08-29 01:17:32,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-08-29 01:17:32,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4167 transitions. [2023-08-29 01:17:32,368 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4175350701402806 [2023-08-29 01:17:32,368 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4167 transitions. [2023-08-29 01:17:32,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4167 transitions. [2023-08-29 01:17:32,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:17:32,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4167 transitions. [2023-08-29 01:17:32,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 208.35) internal successors, (4167), 20 states have internal predecessors, (4167), 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 01:17:32,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:17:32,375 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:17:32,375 INFO L175 Difference]: Start difference. First operand has 560 places, 2075 transitions, 123100 flow. Second operand 20 states and 4167 transitions. [2023-08-29 01:17:32,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 579 places, 2244 transitions, 132421 flow [2023-08-29 01:17:52,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 2244 transitions, 132075 flow, removed 101 selfloop flow, removed 3 redundant places. [2023-08-29 01:17:52,659 INFO L231 Difference]: Finished difference. Result has 580 places, 2118 transitions, 128259 flow [2023-08-29 01:17:52,661 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=122758, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2075, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=819, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=128259, PETRI_PLACES=580, PETRI_TRANSITIONS=2118} [2023-08-29 01:17:52,664 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 497 predicate places. [2023-08-29 01:17:52,664 INFO L495 AbstractCegarLoop]: Abstraction has has 580 places, 2118 transitions, 128259 flow [2023-08-29 01:17:52,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:17:52,665 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:17:52,665 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:17:52,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-08-29 01:17:52,665 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:17:52,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:17:52,666 INFO L85 PathProgramCache]: Analyzing trace with hash -2022010278, now seen corresponding path program 11 times [2023-08-29 01:17:52,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:17:52,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535830669] [2023-08-29 01:17:52,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:17:52,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:17:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:17:52,984 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 01:17:52,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:17:52,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535830669] [2023-08-29 01:17:52,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535830669] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:17:52,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:17:52,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:17:52,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580677151] [2023-08-29 01:17:52,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:17:52,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:17:52,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:17:52,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:17:52,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:17:54,032 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:17:54,033 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 2118 transitions, 128259 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:17:54,033 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:17:54,033 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:17:54,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:18:08,550 INFO L130 PetriNetUnfolder]: 6250/15159 cut-off events. [2023-08-29 01:18:08,550 INFO L131 PetriNetUnfolder]: For 2559336/2559407 co-relation queries the response was YES. [2023-08-29 01:18:09,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247847 conditions, 15159 events. 6250/15159 cut-off events. For 2559336/2559407 co-relation queries the response was YES. Maximal size of possible extension queue 830. Compared 156182 event pairs, 731 based on Foata normal form. 47/14794 useless extension candidates. Maximal degree in co-relation 247645. Up to 7094 conditions per place. [2023-08-29 01:18:09,156 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1368 selfloop transitions, 874 changer transitions 0/2258 dead transitions. [2023-08-29 01:18:09,156 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 599 places, 2258 transitions, 136415 flow [2023-08-29 01:18:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-08-29 01:18:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-08-29 01:18:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4169 transitions. [2023-08-29 01:18:09,161 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4177354709418838 [2023-08-29 01:18:09,161 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4169 transitions. [2023-08-29 01:18:09,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4169 transitions. [2023-08-29 01:18:09,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:18:09,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4169 transitions. [2023-08-29 01:18:09,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 208.45) internal successors, (4169), 20 states have internal predecessors, (4169), 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 01:18:09,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:18:09,174 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:18:09,174 INFO L175 Difference]: Start difference. First operand has 580 places, 2118 transitions, 128259 flow. Second operand 20 states and 4169 transitions. [2023-08-29 01:18:09,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 599 places, 2258 transitions, 136415 flow [2023-08-29 01:18:29,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 2258 transitions, 136088 flow, removed 134 selfloop flow, removed 3 redundant places. [2023-08-29 01:18:29,759 INFO L231 Difference]: Finished difference. Result has 600 places, 2144 transitions, 132197 flow [2023-08-29 01:18:29,761 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=127936, PETRI_DIFFERENCE_MINUEND_PLACES=577, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=848, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=132197, PETRI_PLACES=600, PETRI_TRANSITIONS=2144} [2023-08-29 01:18:29,761 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 517 predicate places. [2023-08-29 01:18:29,761 INFO L495 AbstractCegarLoop]: Abstraction has has 600 places, 2144 transitions, 132197 flow [2023-08-29 01:18:29,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:18:29,762 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:18:29,762 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:18:29,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-08-29 01:18:29,762 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:18:29,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:18:29,762 INFO L85 PathProgramCache]: Analyzing trace with hash 904555680, now seen corresponding path program 12 times [2023-08-29 01:18:29,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:18:29,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991438287] [2023-08-29 01:18:29,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:18:29,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:18:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:18:30,068 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 01:18:30,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:18:30,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991438287] [2023-08-29 01:18:30,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991438287] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:18:30,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:18:30,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:18:30,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316118848] [2023-08-29 01:18:30,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:18:30,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:18:30,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:18:30,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:18:30,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:18:31,181 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:18:31,181 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 600 places, 2144 transitions, 132197 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:18:31,181 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:18:31,181 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:18:31,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:18:48,626 INFO L130 PetriNetUnfolder]: 6256/15309 cut-off events. [2023-08-29 01:18:48,626 INFO L131 PetriNetUnfolder]: For 2688561/2688631 co-relation queries the response was YES. [2023-08-29 01:18:48,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251797 conditions, 15309 events. 6256/15309 cut-off events. For 2688561/2688631 co-relation queries the response was YES. Maximal size of possible extension queue 827. Compared 158793 event pairs, 690 based on Foata normal form. 42/14927 useless extension candidates. Maximal degree in co-relation 251592. Up to 7118 conditions per place. [2023-08-29 01:18:49,062 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1401 selfloop transitions, 853 changer transitions 0/2270 dead transitions. [2023-08-29 01:18:49,062 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 619 places, 2270 transitions, 139589 flow [2023-08-29 01:18:49,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-08-29 01:18:49,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-08-29 01:18:49,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4170 transitions. [2023-08-29 01:18:49,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41783567134268534 [2023-08-29 01:18:49,067 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4170 transitions. [2023-08-29 01:18:49,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4170 transitions. [2023-08-29 01:18:49,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:18:49,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4170 transitions. [2023-08-29 01:18:49,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 208.5) internal successors, (4170), 20 states have internal predecessors, (4170), 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 01:18:49,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:18:49,076 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:18:49,076 INFO L175 Difference]: Start difference. First operand has 600 places, 2144 transitions, 132197 flow. Second operand 20 states and 4170 transitions. [2023-08-29 01:18:49,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 619 places, 2270 transitions, 139589 flow [2023-08-29 01:19:11,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 611 places, 2270 transitions, 138761 flow, removed 81 selfloop flow, removed 8 redundant places. [2023-08-29 01:19:11,381 INFO L231 Difference]: Finished difference. Result has 616 places, 2171 transitions, 135211 flow [2023-08-29 01:19:11,383 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=131373, PETRI_DIFFERENCE_MINUEND_PLACES=592, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=826, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=135211, PETRI_PLACES=616, PETRI_TRANSITIONS=2171} [2023-08-29 01:19:11,383 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 533 predicate places. [2023-08-29 01:19:11,383 INFO L495 AbstractCegarLoop]: Abstraction has has 616 places, 2171 transitions, 135211 flow [2023-08-29 01:19:11,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:19:11,384 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:19:11,384 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:19:11,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-08-29 01:19:11,384 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:19:11,384 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:19:11,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1763395208, now seen corresponding path program 13 times [2023-08-29 01:19:11,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:19:11,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385485510] [2023-08-29 01:19:11,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:19:11,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:19:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:19:11,742 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 01:19:11,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:19:11,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385485510] [2023-08-29 01:19:11,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385485510] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:19:11,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:19:11,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:19:11,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734512977] [2023-08-29 01:19:11,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:19:11,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:19:11,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:19:11,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:19:11,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:19:12,664 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:19:12,665 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 2171 transitions, 135211 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:19:12,665 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:19:12,666 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:19:12,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:19:27,842 INFO L130 PetriNetUnfolder]: 6390/15668 cut-off events. [2023-08-29 01:19:27,842 INFO L131 PetriNetUnfolder]: For 2909474/2909565 co-relation queries the response was YES. [2023-08-29 01:19:28,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260774 conditions, 15668 events. 6390/15668 cut-off events. For 2909474/2909565 co-relation queries the response was YES. Maximal size of possible extension queue 845. Compared 163900 event pairs, 595 based on Foata normal form. 63/15303 useless extension candidates. Maximal degree in co-relation 260565. Up to 7324 conditions per place. [2023-08-29 01:19:28,144 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1330 selfloop transitions, 965 changer transitions 0/2311 dead transitions. [2023-08-29 01:19:28,144 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 633 places, 2311 transitions, 144815 flow [2023-08-29 01:19:28,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-29 01:19:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-29 01:19:28,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3768 transitions. [2023-08-29 01:19:28,146 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4195056780227121 [2023-08-29 01:19:28,146 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3768 transitions. [2023-08-29 01:19:28,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3768 transitions. [2023-08-29 01:19:28,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:19:28,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3768 transitions. [2023-08-29 01:19:28,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 209.33333333333334) internal successors, (3768), 18 states have internal predecessors, (3768), 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 01:19:28,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 499.0) internal successors, (9481), 19 states have internal predecessors, (9481), 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 01:19:28,153 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 499.0) internal successors, (9481), 19 states have internal predecessors, (9481), 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 01:19:28,153 INFO L175 Difference]: Start difference. First operand has 616 places, 2171 transitions, 135211 flow. Second operand 18 states and 3768 transitions. [2023-08-29 01:19:28,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 633 places, 2311 transitions, 144815 flow [2023-08-29 01:19:53,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 2311 transitions, 144283 flow, removed 99 selfloop flow, removed 4 redundant places. [2023-08-29 01:19:53,119 INFO L231 Difference]: Finished difference. Result has 632 places, 2199 transitions, 139650 flow [2023-08-29 01:19:53,120 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=134679, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=937, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=139650, PETRI_PLACES=632, PETRI_TRANSITIONS=2199} [2023-08-29 01:19:53,120 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 549 predicate places. [2023-08-29 01:19:53,121 INFO L495 AbstractCegarLoop]: Abstraction has has 632 places, 2199 transitions, 139650 flow [2023-08-29 01:19:53,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:19:53,121 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:19:53,121 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:19:53,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-08-29 01:19:53,121 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:19:53,122 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:19:53,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1897743008, now seen corresponding path program 14 times [2023-08-29 01:19:53,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:19:53,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707964490] [2023-08-29 01:19:53,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:19:53,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:19:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:19:53,439 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 01:19:53,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:19:53,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707964490] [2023-08-29 01:19:53,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707964490] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:19:53,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:19:53,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:19:53,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989755769] [2023-08-29 01:19:53,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:19:53,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:19:53,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:19:53,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:19:53,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:19:54,426 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:19:54,427 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 2199 transitions, 139650 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:19:54,427 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:19:54,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:19:54,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:20:11,444 INFO L130 PetriNetUnfolder]: 6476/16087 cut-off events. [2023-08-29 01:20:11,445 INFO L131 PetriNetUnfolder]: For 3070009/3070099 co-relation queries the response was YES. [2023-08-29 01:20:11,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268699 conditions, 16087 events. 6476/16087 cut-off events. For 3070009/3070099 co-relation queries the response was YES. Maximal size of possible extension queue 856. Compared 170539 event pairs, 618 based on Foata normal form. 62/15693 useless extension candidates. Maximal degree in co-relation 268487. Up to 7482 conditions per place. [2023-08-29 01:20:12,005 INFO L137 encePairwiseOnDemand]: 486/499 looper letters, 1345 selfloop transitions, 976 changer transitions 0/2337 dead transitions. [2023-08-29 01:20:12,005 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 2337 transitions, 148173 flow [2023-08-29 01:20:12,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-08-29 01:20:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-08-29 01:20:12,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4177 transitions. [2023-08-29 01:20:12,007 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4185370741482966 [2023-08-29 01:20:12,008 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4177 transitions. [2023-08-29 01:20:12,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4177 transitions. [2023-08-29 01:20:12,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:20:12,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4177 transitions. [2023-08-29 01:20:12,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 208.85) internal successors, (4177), 20 states have internal predecessors, (4177), 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 01:20:12,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:20:12,015 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 499.0) internal successors, (10479), 21 states have internal predecessors, (10479), 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 01:20:12,015 INFO L175 Difference]: Start difference. First operand has 632 places, 2199 transitions, 139650 flow. Second operand 20 states and 4177 transitions. [2023-08-29 01:20:12,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 2337 transitions, 148173 flow [2023-08-29 01:20:40,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 2337 transitions, 146761 flow, removed 10 selfloop flow, removed 7 redundant places. [2023-08-29 01:20:41,058 INFO L231 Difference]: Finished difference. Result has 648 places, 2230 transitions, 142760 flow [2023-08-29 01:20:41,064 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=138258, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=945, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=142760, PETRI_PLACES=648, PETRI_TRANSITIONS=2230} [2023-08-29 01:20:41,064 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 565 predicate places. [2023-08-29 01:20:41,064 INFO L495 AbstractCegarLoop]: Abstraction has has 648 places, 2230 transitions, 142760 flow [2023-08-29 01:20:41,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:20:41,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:20:41,065 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:20:41,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-08-29 01:20:41,065 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:20:41,065 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:20:41,066 INFO L85 PathProgramCache]: Analyzing trace with hash -879486752, now seen corresponding path program 15 times [2023-08-29 01:20:41,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:20:41,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411876554] [2023-08-29 01:20:41,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:20:41,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:20:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:20:41,410 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 01:20:41,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:20:41,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411876554] [2023-08-29 01:20:41,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411876554] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:20:41,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:20:41,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:20:41,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9157926] [2023-08-29 01:20:41,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:20:41,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:20:41,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:20:41,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:20:41,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:20:42,752 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 499 [2023-08-29 01:20:42,753 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 2230 transitions, 142760 flow. Second operand has 13 states, 13 states have (on average 197.46153846153845) internal successors, (2567), 13 states have internal predecessors, (2567), 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 01:20:42,753 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:20:42,753 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 499 [2023-08-29 01:20:42,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:21:00,240 INFO L130 PetriNetUnfolder]: 6497/16496 cut-off events. [2023-08-29 01:21:00,240 INFO L131 PetriNetUnfolder]: For 3120279/3120329 co-relation queries the response was YES. [2023-08-29 01:21:00,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273121 conditions, 16496 events. 6497/16496 cut-off events. For 3120279/3120329 co-relation queries the response was YES. Maximal size of possible extension queue 867. Compared 177852 event pairs, 1198 based on Foata normal form. 21/16019 useless extension candidates. Maximal degree in co-relation 272905. Up to 7559 conditions per place. [2023-08-29 01:21:00,781 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 1354 selfloop transitions, 1004 changer transitions 0/2374 dead transitions. [2023-08-29 01:21:00,781 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 2374 transitions, 151548 flow [2023-08-29 01:21:00,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:21:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:21:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2908 transitions. [2023-08-29 01:21:00,783 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41626109361580305 [2023-08-29 01:21:00,783 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2908 transitions. [2023-08-29 01:21:00,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2908 transitions. [2023-08-29 01:21:00,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:21:00,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2908 transitions. [2023-08-29 01:21:00,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 207.71428571428572) internal successors, (2908), 14 states have internal predecessors, (2908), 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 01:21:00,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 499.0) internal successors, (7485), 15 states have internal predecessors, (7485), 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 01:21:00,789 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 499.0) internal successors, (7485), 15 states have internal predecessors, (7485), 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 01:21:00,789 INFO L175 Difference]: Start difference. First operand has 648 places, 2230 transitions, 142760 flow. Second operand 14 states and 2908 transitions. [2023-08-29 01:21:00,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 2374 transitions, 151548 flow [2023-08-29 01:21:28,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 655 places, 2374 transitions, 151032 flow, removed 63 selfloop flow, removed 6 redundant places. [2023-08-29 01:21:28,341 INFO L231 Difference]: Finished difference. Result has 659 places, 2284 transitions, 148875 flow [2023-08-29 01:21:28,343 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=142255, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=950, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=148875, PETRI_PLACES=659, PETRI_TRANSITIONS=2284} [2023-08-29 01:21:28,343 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 576 predicate places. [2023-08-29 01:21:28,343 INFO L495 AbstractCegarLoop]: Abstraction has has 659 places, 2284 transitions, 148875 flow [2023-08-29 01:21:28,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 197.46153846153845) internal successors, (2567), 13 states have internal predecessors, (2567), 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 01:21:28,344 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:21:28,344 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:21:28,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-08-29 01:21:28,344 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:21:28,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:21:28,345 INFO L85 PathProgramCache]: Analyzing trace with hash -844700788, now seen corresponding path program 16 times [2023-08-29 01:21:28,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:21:28,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767921008] [2023-08-29 01:21:28,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:21:28,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:21:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:21:28,666 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 01:21:28,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:21:28,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767921008] [2023-08-29 01:21:28,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767921008] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:21:28,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:21:28,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:21:28,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524636260] [2023-08-29 01:21:28,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:21:28,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:21:28,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:21:28,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:21:28,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:21:29,674 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:21:29,675 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 2284 transitions, 148875 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:21:29,675 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:21:29,675 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:21:29,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:21:50,618 INFO L130 PetriNetUnfolder]: 7478/19148 cut-off events. [2023-08-29 01:21:50,619 INFO L131 PetriNetUnfolder]: For 3706553/3706618 co-relation queries the response was YES. [2023-08-29 01:21:50,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318888 conditions, 19148 events. 7478/19148 cut-off events. For 3706553/3706618 co-relation queries the response was YES. Maximal size of possible extension queue 1030. Compared 212727 event pairs, 1188 based on Foata normal form. 26/18596 useless extension candidates. Maximal degree in co-relation 318668. Up to 8870 conditions per place. [2023-08-29 01:21:51,062 INFO L137 encePairwiseOnDemand]: 485/499 looper letters, 1641 selfloop transitions, 1129 changer transitions 0/2786 dead transitions. [2023-08-29 01:21:51,062 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 2786 transitions, 179290 flow [2023-08-29 01:21:51,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 01:21:51,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 01:21:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3373 transitions. [2023-08-29 01:21:51,066 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4224699398797595 [2023-08-29 01:21:51,066 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3373 transitions. [2023-08-29 01:21:51,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3373 transitions. [2023-08-29 01:21:51,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:21:51,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3373 transitions. [2023-08-29 01:21:51,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 210.8125) internal successors, (3373), 16 states have internal predecessors, (3373), 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 01:21:51,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 499.0) internal successors, (8483), 17 states have internal predecessors, (8483), 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 01:21:51,073 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 499.0) internal successors, (8483), 17 states have internal predecessors, (8483), 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 01:21:51,073 INFO L175 Difference]: Start difference. First operand has 659 places, 2284 transitions, 148875 flow. Second operand 16 states and 3373 transitions. [2023-08-29 01:21:51,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 2786 transitions, 179290 flow [2023-08-29 01:22:24,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 2786 transitions, 179125 flow, removed 2 selfloop flow, removed 7 redundant places. [2023-08-29 01:22:24,812 INFO L231 Difference]: Finished difference. Result has 676 places, 2465 transitions, 166740 flow [2023-08-29 01:22:24,813 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=148733, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=950, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=166740, PETRI_PLACES=676, PETRI_TRANSITIONS=2465} [2023-08-29 01:22:24,814 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, 593 predicate places. [2023-08-29 01:22:24,814 INFO L495 AbstractCegarLoop]: Abstraction has has 676 places, 2465 transitions, 166740 flow [2023-08-29 01:22:24,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:22:24,814 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:22:24,814 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:22:24,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-08-29 01:22:24,815 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-29 01:22:24,815 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:22:24,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1583883804, now seen corresponding path program 17 times [2023-08-29 01:22:24,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:22:24,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009472607] [2023-08-29 01:22:24,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:22:24,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:22:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:22:25,127 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 01:22:25,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:22:25,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009472607] [2023-08-29 01:22:25,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009472607] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:22:25,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:22:25,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:22:25,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305023003] [2023-08-29 01:22:25,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:22:25,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:22:25,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:22:25,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:22:25,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:22:26,002 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 499 [2023-08-29 01:22:26,003 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 676 places, 2465 transitions, 166740 flow. Second operand has 12 states, 12 states have (on average 200.58333333333334) internal successors, (2407), 12 states have internal predecessors, (2407), 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 01:22:26,003 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:22:26,003 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 499 [2023-08-29 01:22:26,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:22:47,445 INFO L130 PetriNetUnfolder]: 7485/19164 cut-off events. [2023-08-29 01:22:47,446 INFO L131 PetriNetUnfolder]: For 3890660/3890744 co-relation queries the response was YES. [2023-08-29 01:22:47,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324992 conditions, 19164 events. 7485/19164 cut-off events. For 3890660/3890744 co-relation queries the response was YES. Maximal size of possible extension queue 1035. Compared 212705 event pairs, 1140 based on Foata normal form. 56/18650 useless extension candidates. Maximal degree in co-relation 324763. Up to 8887 conditions per place. [2023-08-29 01:22:48,055 INFO L137 encePairwiseOnDemand]: 484/499 looper letters, 2018 selfloop transitions, 1002 changer transitions 0/3036 dead transitions. [2023-08-29 01:22:48,055 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 3036 transitions, 191889 flow [2023-08-29 01:22:48,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:22:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:22:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2977 transitions. [2023-08-29 01:22:48,057 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42613799026624677 [2023-08-29 01:22:48,057 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2977 transitions. [2023-08-29 01:22:48,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2977 transitions. [2023-08-29 01:22:48,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:22:48,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2977 transitions. [2023-08-29 01:22:48,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 212.64285714285714) internal successors, (2977), 14 states have internal predecessors, (2977), 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 01:22:48,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 499.0) internal successors, (7485), 15 states have internal predecessors, (7485), 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 01:22:48,063 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 499.0) internal successors, (7485), 15 states have internal predecessors, (7485), 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 01:22:48,063 INFO L175 Difference]: Start difference. First operand has 676 places, 2465 transitions, 166740 flow. Second operand 14 states and 2977 transitions. [2023-08-29 01:22:48,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 3036 transitions, 191889 flow Killed by 15