./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.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-2_5-container_of.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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --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 01:06:24,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:06:24,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:06:24,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:06:24,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:06:24,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:06:24,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:06:24,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:06:24,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:06:24,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:06:24,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:06:24,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:06:24,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:06:24,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:06:24,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:06:24,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:06:24,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:06:24,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:06:24,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:06:24,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:06:24,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:06:24,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:06:24,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:06:24,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:06:24,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:06:24,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:06:24,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:06:24,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:06:24,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:06:24,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:06:24,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:06:24,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:06:24,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:06:24,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:06:24,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:06:24,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:06:24,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:06:24,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:06:24,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:06:24,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:06:24,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:06:24,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:06:24,964 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:06:24,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:06:24,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:06:24,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:06:24,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:06:24,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:06:24,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:06:24,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:06:24,967 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:06:24,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:06:24,968 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:06:24,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:06:24,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:06:24,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:06:24,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:06:24,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:06:24,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:06:24,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:06:24,970 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:06:24,970 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:06:24,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:06:24,970 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:06:24,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:06:24,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:06:24,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:06:24,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:06:24,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:06:24,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:06:24,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:06:24,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:06:24,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:06:24,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:06:24,973 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:06:24,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:06:24,973 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:06:24,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:06:24,973 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:06:24,974 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:06:25,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:06:25,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:06:25,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:06:25,310 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:06:25,311 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:06:25,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-08-29 01:06:26,505 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:06:26,809 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:06:26,809 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-08-29 01:06:26,838 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010ca3f2e/97bb81c1b3a24c6ca2a3e45bb134d06d/FLAGcff47901a [2023-08-29 01:06:26,854 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010ca3f2e/97bb81c1b3a24c6ca2a3e45bb134d06d [2023-08-29 01:06:26,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:06:26,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:06:26,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:06:26,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:06:26,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:06:26,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:06:26" (1/1) ... [2023-08-29 01:06:26,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624d7335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:26, skipping insertion in model container [2023-08-29 01:06:26,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:06:26" (1/1) ... [2023-08-29 01:06:26,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:06:26,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:06:27,048 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 01:06:27,557 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-2_5-container_of.i[75002,75015] [2023-08-29 01:06:27,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:06:27,620 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:06:27,631 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 01:06:27,667 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-2_5-container_of.i[75002,75015] [2023-08-29 01:06:27,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:06:27,810 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:06:27,811 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:06:27,811 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:06:27,817 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:06:27,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27 WrapperNode [2023-08-29 01:06:27,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:06:27,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:06:27,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:06:27,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:06:27,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (1/1) ... [2023-08-29 01:06:27,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (1/1) ... [2023-08-29 01:06:27,901 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 226 [2023-08-29 01:06:27,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:06:27,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:06:27,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:06:27,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:06:27,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (1/1) ... [2023-08-29 01:06:27,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (1/1) ... [2023-08-29 01:06:27,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (1/1) ... [2023-08-29 01:06:27,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (1/1) ... [2023-08-29 01:06:27,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (1/1) ... [2023-08-29 01:06:27,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (1/1) ... [2023-08-29 01:06:27,970 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (1/1) ... [2023-08-29 01:06:27,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (1/1) ... [2023-08-29 01:06:27,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:06:27,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:06:27,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:06:27,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:06:27,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (1/1) ... [2023-08-29 01:06:27,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:06:28,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:06:28,016 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 01:06:28,044 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 01:06:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 01:06:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:06:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 01:06:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:06:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 01:06:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:06:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:06:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:06:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:06:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-29 01:06:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-29 01:06:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:06:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:06:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:06:28,067 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 01:06:28,375 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:06:28,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:06:28,836 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:06:28,984 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:06:28,985 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 01:06:28,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:06:28 BoogieIcfgContainer [2023-08-29 01:06:28,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:06:28,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:06:28,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:06:28,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:06:28,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:06:26" (1/3) ... [2023-08-29 01:06:28,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1520bc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:06:28, skipping insertion in model container [2023-08-29 01:06:28,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:06:27" (2/3) ... [2023-08-29 01:06:28,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1520bc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:06:28, skipping insertion in model container [2023-08-29 01:06:28,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:06:28" (3/3) ... [2023-08-29 01:06:28,996 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-08-29 01:06:29,003 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:06:29,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:06:29,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-08-29 01:06:29,020 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:06:29,087 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:06:29,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 231 places, 231 transitions, 478 flow [2023-08-29 01:06:29,262 INFO L130 PetriNetUnfolder]: 8/301 cut-off events. [2023-08-29 01:06:29,263 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:06:29,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 301 events. 8/301 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 595 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 155. Up to 4 conditions per place. [2023-08-29 01:06:29,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 231 places, 231 transitions, 478 flow [2023-08-29 01:06:29,277 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 229 places, 228 transitions, 468 flow [2023-08-29 01:06:29,281 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:06:29,298 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 228 transitions, 468 flow [2023-08-29 01:06:29,301 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 228 transitions, 468 flow [2023-08-29 01:06:29,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 229 places, 228 transitions, 468 flow [2023-08-29 01:06:29,357 INFO L130 PetriNetUnfolder]: 7/300 cut-off events. [2023-08-29 01:06:29,358 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:06:29,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 300 events. 7/300 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 606 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 154. Up to 4 conditions per place. [2023-08-29 01:06:29,364 INFO L119 LiptonReduction]: Number of co-enabled transitions 6112 [2023-08-29 01:07:07,935 INFO L134 LiptonReduction]: Checked pairs total: 32834 [2023-08-29 01:07:07,935 INFO L136 LiptonReduction]: Total number of compositions: 192 [2023-08-29 01:07:07,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:07:07,959 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;@64381474, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:07:07,960 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-08-29 01:07:07,961 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:07:07,961 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:07:07,962 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:07,963 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:07:07,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:07,969 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:07,969 INFO L85 PathProgramCache]: Analyzing trace with hash 860, now seen corresponding path program 1 times [2023-08-29 01:07:07,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:07,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598937018] [2023-08-29 01:07:07,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:07,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:08,217 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 01:07:08,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:08,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598937018] [2023-08-29 01:07:08,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598937018] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:08,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:08,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:07:08,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349484924] [2023-08-29 01:07:08,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:08,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:07:08,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:08,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:07:08,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:07:08,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 423 [2023-08-29 01:07:08,262 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 83 transitions, 178 flow. Second operand has 2 states, 2 states have (on average 199.5) internal successors, (399), 2 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:08,263 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:08,263 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 423 [2023-08-29 01:07:08,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:08,696 INFO L130 PetriNetUnfolder]: 606/1706 cut-off events. [2023-08-29 01:07:08,697 INFO L131 PetriNetUnfolder]: For 24/53 co-relation queries the response was YES. [2023-08-29 01:07:08,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2756 conditions, 1706 events. 606/1706 cut-off events. For 24/53 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 11287 event pairs, 605 based on Foata normal form. 74/1660 useless extension candidates. Maximal degree in co-relation 2516. Up to 1026 conditions per place. [2023-08-29 01:07:08,707 INFO L137 encePairwiseOnDemand]: 407/423 looper letters, 31 selfloop transitions, 0 changer transitions 1/66 dead transitions. [2023-08-29 01:07:08,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 66 transitions, 208 flow [2023-08-29 01:07:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:07:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:07:08,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 446 transitions. [2023-08-29 01:07:08,724 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5271867612293144 [2023-08-29 01:07:08,725 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 446 transitions. [2023-08-29 01:07:08,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 446 transitions. [2023-08-29 01:07:08,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:08,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 446 transitions. [2023-08-29 01:07:08,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 223.0) internal successors, (446), 2 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:08,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:08,740 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:08,741 INFO L175 Difference]: Start difference. First operand has 86 places, 83 transitions, 178 flow. Second operand 2 states and 446 transitions. [2023-08-29 01:07:08,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 66 transitions, 208 flow [2023-08-29 01:07:08,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 66 transitions, 200 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 01:07:08,749 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 134 flow [2023-08-29 01:07:08,751 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=134, PETRI_PLACES=68, PETRI_TRANSITIONS=65} [2023-08-29 01:07:08,754 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -18 predicate places. [2023-08-29 01:07:08,756 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 134 flow [2023-08-29 01:07:08,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 199.5) internal successors, (399), 2 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:08,757 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:08,757 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:08,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:07:08,758 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:08,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:08,765 INFO L85 PathProgramCache]: Analyzing trace with hash -356357472, now seen corresponding path program 1 times [2023-08-29 01:07:08,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:08,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531312266] [2023-08-29 01:07:08,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:08,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:08,951 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 01:07:08,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:08,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531312266] [2023-08-29 01:07:08,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531312266] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:08,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:08,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:07:08,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736224912] [2023-08-29 01:07:08,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:08,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:07:08,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:08,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:07:08,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:07:08,961 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 423 [2023-08-29 01:07:08,962 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:08,962 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:08,962 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 423 [2023-08-29 01:07:08,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:09,272 INFO L130 PetriNetUnfolder]: 546/1674 cut-off events. [2023-08-29 01:07:09,273 INFO L131 PetriNetUnfolder]: For 7/31 co-relation queries the response was YES. [2023-08-29 01:07:09,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2611 conditions, 1674 events. 546/1674 cut-off events. For 7/31 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 11542 event pairs, 545 based on Foata normal form. 0/1543 useless extension candidates. Maximal degree in co-relation 2608. Up to 927 conditions per place. [2023-08-29 01:07:09,282 INFO L137 encePairwiseOnDemand]: 420/423 looper letters, 30 selfloop transitions, 2 changer transitions 0/66 dead transitions. [2023-08-29 01:07:09,282 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 66 transitions, 200 flow [2023-08-29 01:07:09,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:07:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:07:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 621 transitions. [2023-08-29 01:07:09,286 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48936170212765956 [2023-08-29 01:07:09,286 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 621 transitions. [2023-08-29 01:07:09,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 621 transitions. [2023-08-29 01:07:09,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:09,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 621 transitions. [2023-08-29 01:07:09,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:09,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 423.0) internal successors, (1692), 4 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:09,293 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 423.0) internal successors, (1692), 4 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:09,293 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 134 flow. Second operand 3 states and 621 transitions. [2023-08-29 01:07:09,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 66 transitions, 200 flow [2023-08-29 01:07:09,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 66 transitions, 200 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:07:09,295 INFO L231 Difference]: Finished difference. Result has 70 places, 66 transitions, 146 flow [2023-08-29 01:07:09,296 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=70, PETRI_TRANSITIONS=66} [2023-08-29 01:07:09,297 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -16 predicate places. [2023-08-29 01:07:09,297 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 146 flow [2023-08-29 01:07:09,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:09,298 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:09,298 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:09,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:07:09,298 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:09,299 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:09,299 INFO L85 PathProgramCache]: Analyzing trace with hash 280239100, now seen corresponding path program 1 times [2023-08-29 01:07:09,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:09,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011951808] [2023-08-29 01:07:09,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:09,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:09,720 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 01:07:09,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:09,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011951808] [2023-08-29 01:07:09,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011951808] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:09,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:09,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:07:09,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497159086] [2023-08-29 01:07:09,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:09,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:07:09,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:09,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:07:09,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:07:10,102 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 423 [2023-08-29 01:07:10,104 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 146 flow. Second operand has 6 states, 6 states have (on average 163.16666666666666) internal successors, (979), 6 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:10,104 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:10,104 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 423 [2023-08-29 01:07:10,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:10,816 INFO L130 PetriNetUnfolder]: 1658/3229 cut-off events. [2023-08-29 01:07:10,817 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2023-08-29 01:07:10,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6048 conditions, 3229 events. 1658/3229 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 18686 event pairs, 1198 based on Foata normal form. 0/3082 useless extension candidates. Maximal degree in co-relation 6043. Up to 2395 conditions per place. [2023-08-29 01:07:10,830 INFO L137 encePairwiseOnDemand]: 409/423 looper letters, 64 selfloop transitions, 31 changer transitions 0/111 dead transitions. [2023-08-29 01:07:10,831 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 111 transitions, 426 flow [2023-08-29 01:07:10,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:07:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:07:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1067 transitions. [2023-08-29 01:07:10,834 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42040977147360126 [2023-08-29 01:07:10,835 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1067 transitions. [2023-08-29 01:07:10,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1067 transitions. [2023-08-29 01:07:10,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:10,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1067 transitions. [2023-08-29 01:07:10,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:10,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:10,844 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:10,844 INFO L175 Difference]: Start difference. First operand has 70 places, 66 transitions, 146 flow. Second operand 6 states and 1067 transitions. [2023-08-29 01:07:10,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 111 transitions, 426 flow [2023-08-29 01:07:10,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 111 transitions, 424 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:07:10,848 INFO L231 Difference]: Finished difference. Result has 79 places, 95 transitions, 350 flow [2023-08-29 01:07:10,848 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=350, PETRI_PLACES=79, PETRI_TRANSITIONS=95} [2023-08-29 01:07:10,849 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -7 predicate places. [2023-08-29 01:07:10,849 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 95 transitions, 350 flow [2023-08-29 01:07:10,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.16666666666666) internal successors, (979), 6 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:10,850 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:10,850 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:10,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:07:10,850 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:10,851 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:10,851 INFO L85 PathProgramCache]: Analyzing trace with hash 2141699716, now seen corresponding path program 1 times [2023-08-29 01:07:10,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:10,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819528330] [2023-08-29 01:07:10,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:10,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:11,166 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 01:07:11,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:11,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819528330] [2023-08-29 01:07:11,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819528330] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:11,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:11,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:07:11,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055281459] [2023-08-29 01:07:11,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:11,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:07:11,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:11,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:07:11,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:07:11,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 423 [2023-08-29 01:07:11,505 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 95 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:11,506 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:11,506 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 423 [2023-08-29 01:07:11,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:12,359 INFO L130 PetriNetUnfolder]: 1848/3566 cut-off events. [2023-08-29 01:07:12,359 INFO L131 PetriNetUnfolder]: For 1167/1173 co-relation queries the response was YES. [2023-08-29 01:07:12,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8612 conditions, 3566 events. 1848/3566 cut-off events. For 1167/1173 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 21139 event pairs, 1097 based on Foata normal form. 0/3445 useless extension candidates. Maximal degree in co-relation 8603. Up to 2601 conditions per place. [2023-08-29 01:07:12,379 INFO L137 encePairwiseOnDemand]: 412/423 looper letters, 98 selfloop transitions, 22 changer transitions 0/142 dead transitions. [2023-08-29 01:07:12,381 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 142 transitions, 733 flow [2023-08-29 01:07:12,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:07:12,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:07:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1148 transitions. [2023-08-29 01:07:12,385 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523246650906225 [2023-08-29 01:07:12,385 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1148 transitions. [2023-08-29 01:07:12,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1148 transitions. [2023-08-29 01:07:12,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:12,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1148 transitions. [2023-08-29 01:07:12,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.33333333333334) internal successors, (1148), 6 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:12,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:12,423 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:12,424 INFO L175 Difference]: Start difference. First operand has 79 places, 95 transitions, 350 flow. Second operand 6 states and 1148 transitions. [2023-08-29 01:07:12,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 142 transitions, 733 flow [2023-08-29 01:07:12,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 142 transitions, 733 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:07:12,435 INFO L231 Difference]: Finished difference. Result has 89 places, 116 transitions, 532 flow [2023-08-29 01:07:12,435 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=532, PETRI_PLACES=89, PETRI_TRANSITIONS=116} [2023-08-29 01:07:12,436 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 3 predicate places. [2023-08-29 01:07:12,437 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 116 transitions, 532 flow [2023-08-29 01:07:12,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:12,437 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:12,438 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:12,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:07:12,438 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:12,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:12,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1093570387, now seen corresponding path program 1 times [2023-08-29 01:07:12,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:12,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985382442] [2023-08-29 01:07:12,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:12,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:07:12,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:12,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985382442] [2023-08-29 01:07:12,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985382442] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:12,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:12,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 01:07:12,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153554528] [2023-08-29 01:07:12,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:12,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:07:12,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:12,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:07:12,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:07:12,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 423 [2023-08-29 01:07:12,536 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 116 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:12,536 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:12,536 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 423 [2023-08-29 01:07:12,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:12,865 INFO L130 PetriNetUnfolder]: 475/982 cut-off events. [2023-08-29 01:07:12,866 INFO L131 PetriNetUnfolder]: For 1069/1214 co-relation queries the response was YES. [2023-08-29 01:07:12,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2935 conditions, 982 events. 475/982 cut-off events. For 1069/1214 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4978 event pairs, 251 based on Foata normal form. 0/942 useless extension candidates. Maximal degree in co-relation 2921. Up to 664 conditions per place. [2023-08-29 01:07:12,873 INFO L137 encePairwiseOnDemand]: 420/423 looper letters, 56 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2023-08-29 01:07:12,874 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 95 transitions, 514 flow [2023-08-29 01:07:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:07:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:07:12,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 630 transitions. [2023-08-29 01:07:12,877 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49645390070921985 [2023-08-29 01:07:12,877 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 630 transitions. [2023-08-29 01:07:12,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 630 transitions. [2023-08-29 01:07:12,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:12,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 630 transitions. [2023-08-29 01:07:12,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:12,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 423.0) internal successors, (1692), 4 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:12,882 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 423.0) internal successors, (1692), 4 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:12,883 INFO L175 Difference]: Start difference. First operand has 89 places, 116 transitions, 532 flow. Second operand 3 states and 630 transitions. [2023-08-29 01:07:12,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 95 transitions, 514 flow [2023-08-29 01:07:12,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 95 transitions, 491 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-08-29 01:07:12,888 INFO L231 Difference]: Finished difference. Result has 81 places, 85 transitions, 339 flow [2023-08-29 01:07:12,888 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=81, PETRI_TRANSITIONS=85} [2023-08-29 01:07:12,889 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -5 predicate places. [2023-08-29 01:07:12,889 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 85 transitions, 339 flow [2023-08-29 01:07:12,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:12,890 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:12,890 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:12,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:07:12,890 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:12,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:12,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1461051101, now seen corresponding path program 1 times [2023-08-29 01:07:12,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:12,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752273347] [2023-08-29 01:07:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:12,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:13,393 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 01:07:13,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:13,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752273347] [2023-08-29 01:07:13,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752273347] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:13,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:13,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:07:13,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832724164] [2023-08-29 01:07:13,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:13,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:07:13,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:13,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:07:13,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:07:14,170 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 01:07:14,178 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 85 transitions, 339 flow. Second operand has 10 states, 10 states have (on average 170.3) internal successors, (1703), 10 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:14,178 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:14,178 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 01:07:14,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:15,366 INFO L130 PetriNetUnfolder]: 995/1772 cut-off events. [2023-08-29 01:07:15,366 INFO L131 PetriNetUnfolder]: For 1468/1468 co-relation queries the response was YES. [2023-08-29 01:07:15,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5554 conditions, 1772 events. 995/1772 cut-off events. For 1468/1468 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 8792 event pairs, 46 based on Foata normal form. 24/1788 useless extension candidates. Maximal degree in co-relation 5543. Up to 899 conditions per place. [2023-08-29 01:07:15,375 INFO L137 encePairwiseOnDemand]: 410/423 looper letters, 125 selfloop transitions, 36 changer transitions 0/181 dead transitions. [2023-08-29 01:07:15,375 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 181 transitions, 1126 flow [2023-08-29 01:07:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:07:15,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:07:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1807 transitions. [2023-08-29 01:07:15,380 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4271867612293144 [2023-08-29 01:07:15,380 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1807 transitions. [2023-08-29 01:07:15,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1807 transitions. [2023-08-29 01:07:15,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:15,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1807 transitions. [2023-08-29 01:07:15,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 180.7) internal successors, (1807), 10 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:15,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:15,390 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:15,390 INFO L175 Difference]: Start difference. First operand has 81 places, 85 transitions, 339 flow. Second operand 10 states and 1807 transitions. [2023-08-29 01:07:15,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 181 transitions, 1126 flow [2023-08-29 01:07:15,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 181 transitions, 1110 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-08-29 01:07:15,398 INFO L231 Difference]: Finished difference. Result has 93 places, 118 transitions, 714 flow [2023-08-29 01:07:15,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=714, PETRI_PLACES=93, PETRI_TRANSITIONS=118} [2023-08-29 01:07:15,399 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 7 predicate places. [2023-08-29 01:07:15,399 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 118 transitions, 714 flow [2023-08-29 01:07:15,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 170.3) internal successors, (1703), 10 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:15,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:15,400 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:15,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:07:15,400 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:15,400 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:15,400 INFO L85 PathProgramCache]: Analyzing trace with hash 884421339, now seen corresponding path program 2 times [2023-08-29 01:07:15,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:15,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745995576] [2023-08-29 01:07:15,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:15,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:15,879 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 01:07:15,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:15,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745995576] [2023-08-29 01:07:15,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745995576] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:15,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:15,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:07:15,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498209643] [2023-08-29 01:07:15,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:15,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:07:15,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:15,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:07:15,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:07:16,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 01:07:16,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 118 transitions, 714 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:16,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:16,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 01:07:16,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:17,894 INFO L130 PetriNetUnfolder]: 1109/1994 cut-off events. [2023-08-29 01:07:17,894 INFO L131 PetriNetUnfolder]: For 3841/3841 co-relation queries the response was YES. [2023-08-29 01:07:17,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7434 conditions, 1994 events. 1109/1994 cut-off events. For 3841/3841 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 10188 event pairs, 339 based on Foata normal form. 24/2009 useless extension candidates. Maximal degree in co-relation 7418. Up to 1267 conditions per place. [2023-08-29 01:07:17,904 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 101 selfloop transitions, 53 changer transitions 0/174 dead transitions. [2023-08-29 01:07:17,905 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 174 transitions, 1281 flow [2023-08-29 01:07:17,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:07:17,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:07:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1634 transitions. [2023-08-29 01:07:17,913 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4292093511951668 [2023-08-29 01:07:17,913 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1634 transitions. [2023-08-29 01:07:17,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1634 transitions. [2023-08-29 01:07:17,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:17,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1634 transitions. [2023-08-29 01:07:17,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 181.55555555555554) internal successors, (1634), 9 states have internal predecessors, (1634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:17,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:17,923 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:17,923 INFO L175 Difference]: Start difference. First operand has 93 places, 118 transitions, 714 flow. Second operand 9 states and 1634 transitions. [2023-08-29 01:07:17,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 174 transitions, 1281 flow [2023-08-29 01:07:17,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 174 transitions, 1269 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:07:17,938 INFO L231 Difference]: Finished difference. Result has 101 places, 132 transitions, 1035 flow [2023-08-29 01:07:17,938 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=706, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1035, PETRI_PLACES=101, PETRI_TRANSITIONS=132} [2023-08-29 01:07:17,939 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 15 predicate places. [2023-08-29 01:07:17,939 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 132 transitions, 1035 flow [2023-08-29 01:07:17,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:17,940 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:17,940 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:17,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:07:17,940 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:17,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:17,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1852282422, now seen corresponding path program 1 times [2023-08-29 01:07:17,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:17,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373090847] [2023-08-29 01:07:17,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:17,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:18,380 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 01:07:18,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:18,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373090847] [2023-08-29 01:07:18,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373090847] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:18,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:18,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:07:18,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079882327] [2023-08-29 01:07:18,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:18,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:07:18,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:18,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:07:18,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:07:19,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 01:07:19,144 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 132 transitions, 1035 flow. Second operand has 10 states, 10 states have (on average 170.3) internal successors, (1703), 10 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:19,144 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:19,144 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 01:07:19,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:20,080 INFO L130 PetriNetUnfolder]: 1333/2332 cut-off events. [2023-08-29 01:07:20,081 INFO L131 PetriNetUnfolder]: For 7587/7592 co-relation queries the response was YES. [2023-08-29 01:07:20,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9981 conditions, 2332 events. 1333/2332 cut-off events. For 7587/7592 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 12427 event pairs, 121 based on Foata normal form. 25/2353 useless extension candidates. Maximal degree in co-relation 9962. Up to 1267 conditions per place. [2023-08-29 01:07:20,095 INFO L137 encePairwiseOnDemand]: 410/423 looper letters, 198 selfloop transitions, 56 changer transitions 0/274 dead transitions. [2023-08-29 01:07:20,095 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 274 transitions, 2625 flow [2023-08-29 01:07:20,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:07:20,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:07:20,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1819 transitions. [2023-08-29 01:07:20,100 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43002364066193854 [2023-08-29 01:07:20,100 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1819 transitions. [2023-08-29 01:07:20,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1819 transitions. [2023-08-29 01:07:20,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:20,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1819 transitions. [2023-08-29 01:07:20,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.9) internal successors, (1819), 10 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:20,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:20,111 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:20,111 INFO L175 Difference]: Start difference. First operand has 101 places, 132 transitions, 1035 flow. Second operand 10 states and 1819 transitions. [2023-08-29 01:07:20,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 274 transitions, 2625 flow [2023-08-29 01:07:20,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 274 transitions, 2544 flow, removed 3 selfloop flow, removed 5 redundant places. [2023-08-29 01:07:20,133 INFO L231 Difference]: Finished difference. Result has 111 places, 183 transitions, 1724 flow [2023-08-29 01:07:20,133 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1724, PETRI_PLACES=111, PETRI_TRANSITIONS=183} [2023-08-29 01:07:20,134 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 25 predicate places. [2023-08-29 01:07:20,134 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 183 transitions, 1724 flow [2023-08-29 01:07:20,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 170.3) internal successors, (1703), 10 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:20,135 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:20,135 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:20,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:07:20,135 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:20,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:20,136 INFO L85 PathProgramCache]: Analyzing trace with hash 74867677, now seen corresponding path program 3 times [2023-08-29 01:07:20,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:20,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026196226] [2023-08-29 01:07:20,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:20,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:20,596 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 01:07:20,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:20,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026196226] [2023-08-29 01:07:20,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026196226] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:20,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:20,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:07:20,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219305786] [2023-08-29 01:07:20,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:20,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:07:20,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:20,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:07:20,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:07:21,499 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 01:07:21,501 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 183 transitions, 1724 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:21,501 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:21,501 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 01:07:21,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:22,536 INFO L130 PetriNetUnfolder]: 1671/2956 cut-off events. [2023-08-29 01:07:22,536 INFO L131 PetriNetUnfolder]: For 14274/14274 co-relation queries the response was YES. [2023-08-29 01:07:22,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14197 conditions, 2956 events. 1671/2956 cut-off events. For 14274/14274 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 16637 event pairs, 374 based on Foata normal form. 24/2971 useless extension candidates. Maximal degree in co-relation 14172. Up to 1555 conditions per place. [2023-08-29 01:07:22,553 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 167 selfloop transitions, 120 changer transitions 0/307 dead transitions. [2023-08-29 01:07:22,554 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 307 transitions, 3435 flow [2023-08-29 01:07:22,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:07:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:07:22,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1817 transitions. [2023-08-29 01:07:22,559 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42955082742316786 [2023-08-29 01:07:22,559 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1817 transitions. [2023-08-29 01:07:22,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1817 transitions. [2023-08-29 01:07:22,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:22,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1817 transitions. [2023-08-29 01:07:22,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.7) internal successors, (1817), 10 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:22,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:22,570 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:22,570 INFO L175 Difference]: Start difference. First operand has 111 places, 183 transitions, 1724 flow. Second operand 10 states and 1817 transitions. [2023-08-29 01:07:22,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 307 transitions, 3435 flow [2023-08-29 01:07:22,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 307 transitions, 3420 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-08-29 01:07:22,619 INFO L231 Difference]: Finished difference. Result has 124 places, 243 transitions, 2934 flow [2023-08-29 01:07:22,620 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=1715, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2934, PETRI_PLACES=124, PETRI_TRANSITIONS=243} [2023-08-29 01:07:22,620 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 38 predicate places. [2023-08-29 01:07:22,621 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 243 transitions, 2934 flow [2023-08-29 01:07:22,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:22,621 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:22,622 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:22,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:07:22,622 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:22,622 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:22,622 INFO L85 PathProgramCache]: Analyzing trace with hash 46239022, now seen corresponding path program 2 times [2023-08-29 01:07:22,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:22,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329378892] [2023-08-29 01:07:22,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:22,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:23,039 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 01:07:23,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:23,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329378892] [2023-08-29 01:07:23,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329378892] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:23,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:23,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:07:23,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633235493] [2023-08-29 01:07:23,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:23,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:07:23,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:23,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:07:23,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:07:23,881 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 01:07:23,882 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 243 transitions, 2934 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:23,883 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:23,883 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 01:07:23,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:24,909 INFO L130 PetriNetUnfolder]: 2025/3577 cut-off events. [2023-08-29 01:07:24,909 INFO L131 PetriNetUnfolder]: For 25819/25819 co-relation queries the response was YES. [2023-08-29 01:07:24,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19514 conditions, 3577 events. 2025/3577 cut-off events. For 25819/25819 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 21262 event pairs, 446 based on Foata normal form. 24/3592 useless extension candidates. Maximal degree in co-relation 19483. Up to 2108 conditions per place. [2023-08-29 01:07:24,928 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 217 selfloop transitions, 173 changer transitions 0/410 dead transitions. [2023-08-29 01:07:24,929 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 410 transitions, 5662 flow [2023-08-29 01:07:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:07:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:07:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1822 transitions. [2023-08-29 01:07:24,933 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307328605200946 [2023-08-29 01:07:24,933 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1822 transitions. [2023-08-29 01:07:24,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1822 transitions. [2023-08-29 01:07:24,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:24,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1822 transitions. [2023-08-29 01:07:24,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 182.2) internal successors, (1822), 10 states have internal predecessors, (1822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:24,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:24,942 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:24,942 INFO L175 Difference]: Start difference. First operand has 124 places, 243 transitions, 2934 flow. Second operand 10 states and 1822 transitions. [2023-08-29 01:07:24,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 410 transitions, 5662 flow [2023-08-29 01:07:25,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 410 transitions, 5518 flow, removed 63 selfloop flow, removed 3 redundant places. [2023-08-29 01:07:25,039 INFO L231 Difference]: Finished difference. Result has 136 places, 331 transitions, 4770 flow [2023-08-29 01:07:25,040 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2839, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4770, PETRI_PLACES=136, PETRI_TRANSITIONS=331} [2023-08-29 01:07:25,041 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 50 predicate places. [2023-08-29 01:07:25,041 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 331 transitions, 4770 flow [2023-08-29 01:07:25,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:25,042 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:25,042 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:25,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:07:25,042 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:25,042 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:25,042 INFO L85 PathProgramCache]: Analyzing trace with hash 884420874, now seen corresponding path program 3 times [2023-08-29 01:07:25,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:25,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026581651] [2023-08-29 01:07:25,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:25,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:25,488 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 01:07:25,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:25,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026581651] [2023-08-29 01:07:25,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026581651] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:25,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:25,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:07:25,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962143735] [2023-08-29 01:07:25,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:25,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:07:25,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:25,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:07:25,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:07:26,238 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 01:07:26,239 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 331 transitions, 4770 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:26,239 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:26,239 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 01:07:26,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:27,257 INFO L130 PetriNetUnfolder]: 2141/3804 cut-off events. [2023-08-29 01:07:27,257 INFO L131 PetriNetUnfolder]: For 36215/36215 co-relation queries the response was YES. [2023-08-29 01:07:27,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22886 conditions, 3804 events. 2141/3804 cut-off events. For 36215/36215 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 23251 event pairs, 447 based on Foata normal form. 24/3819 useless extension candidates. Maximal degree in co-relation 22850. Up to 2658 conditions per place. [2023-08-29 01:07:27,285 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 184 selfloop transitions, 204 changer transitions 0/408 dead transitions. [2023-08-29 01:07:27,285 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 408 transitions, 6348 flow [2023-08-29 01:07:27,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:07:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:07:27,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1639 transitions. [2023-08-29 01:07:27,289 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4305227213028631 [2023-08-29 01:07:27,289 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1639 transitions. [2023-08-29 01:07:27,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1639 transitions. [2023-08-29 01:07:27,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:27,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1639 transitions. [2023-08-29 01:07:27,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 182.11111111111111) internal successors, (1639), 9 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:27,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:27,297 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:27,297 INFO L175 Difference]: Start difference. First operand has 136 places, 331 transitions, 4770 flow. Second operand 9 states and 1639 transitions. [2023-08-29 01:07:27,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 408 transitions, 6348 flow [2023-08-29 01:07:27,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 408 transitions, 6239 flow, removed 43 selfloop flow, removed 3 redundant places. [2023-08-29 01:07:27,426 INFO L231 Difference]: Finished difference. Result has 144 places, 360 transitions, 5942 flow [2023-08-29 01:07:27,426 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=4669, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5942, PETRI_PLACES=144, PETRI_TRANSITIONS=360} [2023-08-29 01:07:27,427 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 58 predicate places. [2023-08-29 01:07:27,427 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 360 transitions, 5942 flow [2023-08-29 01:07:27,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:27,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:27,428 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:27,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 01:07:27,428 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:27,428 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:27,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1211064774, now seen corresponding path program 4 times [2023-08-29 01:07:27,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:27,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035060638] [2023-08-29 01:07:27,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:27,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:27,867 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 01:07:27,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:27,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035060638] [2023-08-29 01:07:27,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035060638] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:27,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:27,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:07:27,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800127161] [2023-08-29 01:07:27,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:27,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:07:27,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:27,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:07:27,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:07:28,762 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 01:07:28,763 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 360 transitions, 5942 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:28,763 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:28,763 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 01:07:28,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:30,302 INFO L130 PetriNetUnfolder]: 2310/4116 cut-off events. [2023-08-29 01:07:30,302 INFO L131 PetriNetUnfolder]: For 49939/49939 co-relation queries the response was YES. [2023-08-29 01:07:30,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26550 conditions, 4116 events. 2310/4116 cut-off events. For 49939/49939 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 25639 event pairs, 478 based on Foata normal form. 24/4131 useless extension candidates. Maximal degree in co-relation 26512. Up to 2499 conditions per place. [2023-08-29 01:07:30,333 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 230 selfloop transitions, 234 changer transitions 0/484 dead transitions. [2023-08-29 01:07:30,333 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 484 transitions, 8519 flow [2023-08-29 01:07:30,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:07:30,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:07:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1821 transitions. [2023-08-29 01:07:30,340 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43049645390070923 [2023-08-29 01:07:30,340 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1821 transitions. [2023-08-29 01:07:30,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1821 transitions. [2023-08-29 01:07:30,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:30,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1821 transitions. [2023-08-29 01:07:30,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 182.1) internal successors, (1821), 10 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:30,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:30,349 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:30,349 INFO L175 Difference]: Start difference. First operand has 144 places, 360 transitions, 5942 flow. Second operand 10 states and 1821 transitions. [2023-08-29 01:07:30,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 484 transitions, 8519 flow [2023-08-29 01:07:30,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 484 transitions, 8358 flow, removed 7 selfloop flow, removed 5 redundant places. [2023-08-29 01:07:30,544 INFO L231 Difference]: Finished difference. Result has 153 places, 416 transitions, 7682 flow [2023-08-29 01:07:30,545 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=5808, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7682, PETRI_PLACES=153, PETRI_TRANSITIONS=416} [2023-08-29 01:07:30,545 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 67 predicate places. [2023-08-29 01:07:30,545 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 416 transitions, 7682 flow [2023-08-29 01:07:30,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:30,546 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:30,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:30,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 01:07:30,546 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:30,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:30,547 INFO L85 PathProgramCache]: Analyzing trace with hash 891170814, now seen corresponding path program 5 times [2023-08-29 01:07:30,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:30,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075095964] [2023-08-29 01:07:30,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:30,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:30,938 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 01:07:30,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:30,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075095964] [2023-08-29 01:07:30,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075095964] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:30,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:30,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:07:30,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750973797] [2023-08-29 01:07:30,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:30,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:07:30,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:30,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:07:30,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:07:31,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 01:07:31,665 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 416 transitions, 7682 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:31,665 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:31,665 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 01:07:31,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:33,062 INFO L130 PetriNetUnfolder]: 2333/4193 cut-off events. [2023-08-29 01:07:33,062 INFO L131 PetriNetUnfolder]: For 62668/62668 co-relation queries the response was YES. [2023-08-29 01:07:33,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28990 conditions, 4193 events. 2333/4193 cut-off events. For 62668/62668 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 26478 event pairs, 547 based on Foata normal form. 24/4208 useless extension candidates. Maximal degree in co-relation 28947. Up to 2750 conditions per place. [2023-08-29 01:07:33,089 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 220 selfloop transitions, 259 changer transitions 0/499 dead transitions. [2023-08-29 01:07:33,089 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 499 transitions, 9600 flow [2023-08-29 01:07:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:07:33,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:07:33,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1818 transitions. [2023-08-29 01:07:33,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4297872340425532 [2023-08-29 01:07:33,094 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1818 transitions. [2023-08-29 01:07:33,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1818 transitions. [2023-08-29 01:07:33,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:33,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1818 transitions. [2023-08-29 01:07:33,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.8) internal successors, (1818), 10 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:33,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:33,102 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:33,103 INFO L175 Difference]: Start difference. First operand has 153 places, 416 transitions, 7682 flow. Second operand 10 states and 1818 transitions. [2023-08-29 01:07:33,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 499 transitions, 9600 flow [2023-08-29 01:07:33,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 499 transitions, 9450 flow, removed 57 selfloop flow, removed 3 redundant places. [2023-08-29 01:07:33,355 INFO L231 Difference]: Finished difference. Result has 163 places, 449 transitions, 9051 flow [2023-08-29 01:07:33,355 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=7546, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=228, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=9051, PETRI_PLACES=163, PETRI_TRANSITIONS=449} [2023-08-29 01:07:33,356 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 77 predicate places. [2023-08-29 01:07:33,356 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 449 transitions, 9051 flow [2023-08-29 01:07:33,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:33,356 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:33,356 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:33,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 01:07:33,357 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:33,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:33,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1211987799, now seen corresponding path program 4 times [2023-08-29 01:07:33,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:33,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589351378] [2023-08-29 01:07:33,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:33,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:33,743 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 01:07:33,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:33,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589351378] [2023-08-29 01:07:33,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589351378] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:33,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:33,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:07:33,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162815568] [2023-08-29 01:07:33,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:33,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:07:33,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:33,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:07:33,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:07:34,663 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 01:07:34,666 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 449 transitions, 9051 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:34,666 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:34,666 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 01:07:34,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:36,296 INFO L130 PetriNetUnfolder]: 2520/4535 cut-off events. [2023-08-29 01:07:36,296 INFO L131 PetriNetUnfolder]: For 80619/80619 co-relation queries the response was YES. [2023-08-29 01:07:36,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33447 conditions, 4535 events. 2520/4535 cut-off events. For 80619/80619 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 29305 event pairs, 675 based on Foata normal form. 24/4550 useless extension candidates. Maximal degree in co-relation 33400. Up to 2781 conditions per place. [2023-08-29 01:07:36,330 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 269 selfloop transitions, 301 changer transitions 0/590 dead transitions. [2023-08-29 01:07:36,331 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 590 transitions, 12650 flow [2023-08-29 01:07:36,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:07:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:07:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1816 transitions. [2023-08-29 01:07:36,334 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4293144208037825 [2023-08-29 01:07:36,334 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1816 transitions. [2023-08-29 01:07:36,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1816 transitions. [2023-08-29 01:07:36,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:36,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1816 transitions. [2023-08-29 01:07:36,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.6) internal successors, (1816), 10 states have internal predecessors, (1816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:36,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:36,342 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:36,343 INFO L175 Difference]: Start difference. First operand has 163 places, 449 transitions, 9051 flow. Second operand 10 states and 1816 transitions. [2023-08-29 01:07:36,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 590 transitions, 12650 flow [2023-08-29 01:07:36,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 590 transitions, 12485 flow, removed 36 selfloop flow, removed 4 redundant places. [2023-08-29 01:07:36,594 INFO L231 Difference]: Finished difference. Result has 173 places, 521 transitions, 11645 flow [2023-08-29 01:07:36,594 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=8916, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=231, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=11645, PETRI_PLACES=173, PETRI_TRANSITIONS=521} [2023-08-29 01:07:36,594 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 87 predicate places. [2023-08-29 01:07:36,594 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 521 transitions, 11645 flow [2023-08-29 01:07:36,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:36,595 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:36,595 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:36,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 01:07:36,595 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:36,596 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:36,596 INFO L85 PathProgramCache]: Analyzing trace with hash 891138729, now seen corresponding path program 5 times [2023-08-29 01:07:36,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:36,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094593653] [2023-08-29 01:07:36,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:36,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:36,954 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 01:07:36,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:36,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094593653] [2023-08-29 01:07:36,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094593653] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:36,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:36,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:07:36,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662162587] [2023-08-29 01:07:36,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:36,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:07:36,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:36,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:07:36,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:07:37,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 423 [2023-08-29 01:07:37,924 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 521 transitions, 11645 flow. Second operand has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:37,924 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:37,924 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 423 [2023-08-29 01:07:37,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:39,663 INFO L130 PetriNetUnfolder]: 2557/4636 cut-off events. [2023-08-29 01:07:39,663 INFO L131 PetriNetUnfolder]: For 96053/96053 co-relation queries the response was YES. [2023-08-29 01:07:39,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36438 conditions, 4636 events. 2557/4636 cut-off events. For 96053/96053 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 30356 event pairs, 732 based on Foata normal form. 24/4651 useless extension candidates. Maximal degree in co-relation 36386. Up to 3052 conditions per place. [2023-08-29 01:07:39,696 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 248 selfloop transitions, 341 changer transitions 0/609 dead transitions. [2023-08-29 01:07:39,696 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 609 transitions, 14192 flow [2023-08-29 01:07:39,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:07:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:07:39,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1813 transitions. [2023-08-29 01:07:39,698 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4286052009456265 [2023-08-29 01:07:39,698 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1813 transitions. [2023-08-29 01:07:39,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1813 transitions. [2023-08-29 01:07:39,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:39,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1813 transitions. [2023-08-29 01:07:39,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 181.3) internal successors, (1813), 10 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:39,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:39,703 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:39,703 INFO L175 Difference]: Start difference. First operand has 173 places, 521 transitions, 11645 flow. Second operand 10 states and 1813 transitions. [2023-08-29 01:07:39,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 609 transitions, 14192 flow [2023-08-29 01:07:40,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 609 transitions, 14006 flow, removed 75 selfloop flow, removed 3 redundant places. [2023-08-29 01:07:40,075 INFO L231 Difference]: Finished difference. Result has 183 places, 564 transitions, 13667 flow [2023-08-29 01:07:40,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=11473, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=300, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=13667, PETRI_PLACES=183, PETRI_TRANSITIONS=564} [2023-08-29 01:07:40,076 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 97 predicate places. [2023-08-29 01:07:40,076 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 564 transitions, 13667 flow [2023-08-29 01:07:40,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 170.1818181818182) internal successors, (1872), 11 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:40,076 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:40,077 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:40,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 01:07:40,077 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:40,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:40,077 INFO L85 PathProgramCache]: Analyzing trace with hash 677337730, now seen corresponding path program 1 times [2023-08-29 01:07:40,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:40,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730811136] [2023-08-29 01:07:40,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:40,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:40,269 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 01:07:40,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:40,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730811136] [2023-08-29 01:07:40,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730811136] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:40,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:40,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:07:40,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899392450] [2023-08-29 01:07:40,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:40,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:07:40,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:40,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:07:40,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:07:40,554 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 423 [2023-08-29 01:07:40,555 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 564 transitions, 13667 flow. Second operand has 6 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:40,555 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:40,555 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 423 [2023-08-29 01:07:40,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:41,659 INFO L130 PetriNetUnfolder]: 2336/4345 cut-off events. [2023-08-29 01:07:41,659 INFO L131 PetriNetUnfolder]: For 89611/89758 co-relation queries the response was YES. [2023-08-29 01:07:41,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35857 conditions, 4345 events. 2336/4345 cut-off events. For 89611/89758 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 29418 event pairs, 957 based on Foata normal form. 0/4305 useless extension candidates. Maximal degree in co-relation 35801. Up to 4022 conditions per place. [2023-08-29 01:07:41,699 INFO L137 encePairwiseOnDemand]: 417/423 looper letters, 497 selfloop transitions, 5 changer transitions 0/563 dead transitions. [2023-08-29 01:07:41,699 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 563 transitions, 14669 flow [2023-08-29 01:07:41,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:07:41,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:07:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1020 transitions. [2023-08-29 01:07:41,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40189125295508277 [2023-08-29 01:07:41,701 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1020 transitions. [2023-08-29 01:07:41,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1020 transitions. [2023-08-29 01:07:41,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:41,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1020 transitions. [2023-08-29 01:07:41,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:41,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:41,705 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:41,705 INFO L175 Difference]: Start difference. First operand has 183 places, 564 transitions, 13667 flow. Second operand 6 states and 1020 transitions. [2023-08-29 01:07:41,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 563 transitions, 14669 flow [2023-08-29 01:07:42,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 563 transitions, 14506 flow, removed 35 selfloop flow, removed 4 redundant places. [2023-08-29 01:07:42,012 INFO L231 Difference]: Finished difference. Result has 183 places, 563 transitions, 13512 flow [2023-08-29 01:07:42,012 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=13502, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=13512, PETRI_PLACES=183, PETRI_TRANSITIONS=563} [2023-08-29 01:07:42,013 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 97 predicate places. [2023-08-29 01:07:42,013 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 563 transitions, 13512 flow [2023-08-29 01:07:42,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.33333333333334) internal successors, (980), 6 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:42,013 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:42,013 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:42,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 01:07:42,013 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:42,014 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:42,014 INFO L85 PathProgramCache]: Analyzing trace with hash 384526313, now seen corresponding path program 1 times [2023-08-29 01:07:42,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:42,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070791] [2023-08-29 01:07:42,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:42,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:42,501 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 01:07:42,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070791] [2023-08-29 01:07:42,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070791] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:42,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:42,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:07:42,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716146347] [2023-08-29 01:07:42,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:42,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:07:42,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:42,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:07:42,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:07:43,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 01:07:43,554 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 563 transitions, 13512 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:43,554 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:43,554 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 01:07:43,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:46,287 INFO L130 PetriNetUnfolder]: 4125/7516 cut-off events. [2023-08-29 01:07:46,287 INFO L131 PetriNetUnfolder]: For 166258/166258 co-relation queries the response was YES. [2023-08-29 01:07:46,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59634 conditions, 7516 events. 4125/7516 cut-off events. For 166258/166258 co-relation queries the response was YES. Maximal size of possible extension queue 401. Compared 54239 event pairs, 679 based on Foata normal form. 16/7519 useless extension candidates. Maximal degree in co-relation 59578. Up to 3306 conditions per place. [2023-08-29 01:07:46,344 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 639 selfloop transitions, 207 changer transitions 0/865 dead transitions. [2023-08-29 01:07:46,344 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 865 transitions, 20582 flow [2023-08-29 01:07:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:07:46,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:07:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2383 transitions. [2023-08-29 01:07:46,346 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43335151845790143 [2023-08-29 01:07:46,346 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2383 transitions. [2023-08-29 01:07:46,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2383 transitions. [2023-08-29 01:07:46,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:46,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2383 transitions. [2023-08-29 01:07:46,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 183.30769230769232) internal successors, (2383), 13 states have internal predecessors, (2383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:46,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 423.0) internal successors, (5922), 14 states have internal predecessors, (5922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:46,353 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 423.0) internal successors, (5922), 14 states have internal predecessors, (5922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:46,353 INFO L175 Difference]: Start difference. First operand has 183 places, 563 transitions, 13512 flow. Second operand 13 states and 2383 transitions. [2023-08-29 01:07:46,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 865 transitions, 20582 flow [2023-08-29 01:07:47,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 865 transitions, 20552 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 01:07:47,237 INFO L231 Difference]: Finished difference. Result has 198 places, 649 transitions, 16667 flow [2023-08-29 01:07:47,242 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=13502, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16667, PETRI_PLACES=198, PETRI_TRANSITIONS=649} [2023-08-29 01:07:47,246 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 112 predicate places. [2023-08-29 01:07:47,246 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 649 transitions, 16667 flow [2023-08-29 01:07:47,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:47,247 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:47,247 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:47,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 01:07:47,247 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:47,248 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:47,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1867631771, now seen corresponding path program 2 times [2023-08-29 01:07:47,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:47,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509528675] [2023-08-29 01:07:47,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:47,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:47,806 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 01:07:47,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:47,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509528675] [2023-08-29 01:07:47,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509528675] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:47,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:47,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:07:47,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843399856] [2023-08-29 01:07:47,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:47,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:07:47,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:47,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:07:47,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:07:48,960 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 01:07:48,962 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 649 transitions, 16667 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:48,962 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:48,962 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 01:07:48,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:52,200 INFO L130 PetriNetUnfolder]: 4276/7764 cut-off events. [2023-08-29 01:07:52,201 INFO L131 PetriNetUnfolder]: For 206718/206728 co-relation queries the response was YES. [2023-08-29 01:07:52,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65517 conditions, 7764 events. 4276/7764 cut-off events. For 206718/206728 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 56688 event pairs, 613 based on Foata normal form. 18/7779 useless extension candidates. Maximal degree in co-relation 65453. Up to 4165 conditions per place. [2023-08-29 01:07:52,259 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 550 selfloop transitions, 211 changer transitions 0/780 dead transitions. [2023-08-29 01:07:52,259 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 780 transitions, 19936 flow [2023-08-29 01:07:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:07:52,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:07:52,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2358 transitions. [2023-08-29 01:07:52,261 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4288052373158756 [2023-08-29 01:07:52,261 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2358 transitions. [2023-08-29 01:07:52,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2358 transitions. [2023-08-29 01:07:52,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:52,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2358 transitions. [2023-08-29 01:07:52,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 181.3846153846154) internal successors, (2358), 13 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:52,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 423.0) internal successors, (5922), 14 states have internal predecessors, (5922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:52,267 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 423.0) internal successors, (5922), 14 states have internal predecessors, (5922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:52,267 INFO L175 Difference]: Start difference. First operand has 198 places, 649 transitions, 16667 flow. Second operand 13 states and 2358 transitions. [2023-08-29 01:07:52,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 780 transitions, 19936 flow [2023-08-29 01:07:53,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 780 transitions, 19853 flow, removed 8 selfloop flow, removed 4 redundant places. [2023-08-29 01:07:53,409 INFO L231 Difference]: Finished difference. Result has 211 places, 677 transitions, 18085 flow [2023-08-29 01:07:53,410 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=16603, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18085, PETRI_PLACES=211, PETRI_TRANSITIONS=677} [2023-08-29 01:07:53,411 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 125 predicate places. [2023-08-29 01:07:53,411 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 677 transitions, 18085 flow [2023-08-29 01:07:53,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:53,411 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:53,411 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:53,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 01:07:53,412 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:53,412 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:53,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1017124957, now seen corresponding path program 3 times [2023-08-29 01:07:53,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:53,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534337386] [2023-08-29 01:07:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:53,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:53,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:07:53,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:53,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534337386] [2023-08-29 01:07:53,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534337386] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:53,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:53,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:07:53,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333490014] [2023-08-29 01:07:53,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:53,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:07:53,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:53,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:07:53,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:07:55,004 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 01:07:55,006 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 677 transitions, 18085 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:55,006 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:55,006 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 01:07:55,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:58,375 INFO L130 PetriNetUnfolder]: 4422/8128 cut-off events. [2023-08-29 01:07:58,376 INFO L131 PetriNetUnfolder]: For 246533/246533 co-relation queries the response was YES. [2023-08-29 01:07:58,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70578 conditions, 8128 events. 4422/8128 cut-off events. For 246533/246533 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 60027 event pairs, 759 based on Foata normal form. 16/8131 useless extension candidates. Maximal degree in co-relation 70509. Up to 3617 conditions per place. [2023-08-29 01:07:58,459 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 669 selfloop transitions, 222 changer transitions 0/910 dead transitions. [2023-08-29 01:07:58,459 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 910 transitions, 23523 flow [2023-08-29 01:07:58,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:07:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:07:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2562 transitions. [2023-08-29 01:07:58,462 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4326241134751773 [2023-08-29 01:07:58,462 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2562 transitions. [2023-08-29 01:07:58,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2562 transitions. [2023-08-29 01:07:58,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:58,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2562 transitions. [2023-08-29 01:07:58,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 183.0) internal successors, (2562), 14 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:58,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 423.0) internal successors, (6345), 15 states have internal predecessors, (6345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:58,468 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 423.0) internal successors, (6345), 15 states have internal predecessors, (6345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:58,468 INFO L175 Difference]: Start difference. First operand has 211 places, 677 transitions, 18085 flow. Second operand 14 states and 2562 transitions. [2023-08-29 01:07:58,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 910 transitions, 23523 flow [2023-08-29 01:07:59,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 910 transitions, 23433 flow, removed 5 selfloop flow, removed 6 redundant places. [2023-08-29 01:07:59,862 INFO L231 Difference]: Finished difference. Result has 223 places, 693 transitions, 18977 flow [2023-08-29 01:07:59,862 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=18017, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18977, PETRI_PLACES=223, PETRI_TRANSITIONS=693} [2023-08-29 01:07:59,863 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 137 predicate places. [2023-08-29 01:07:59,863 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 693 transitions, 18977 flow [2023-08-29 01:07:59,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:07:59,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:59,864 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:59,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 01:07:59,864 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:07:59,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:59,865 INFO L85 PathProgramCache]: Analyzing trace with hash 869501923, now seen corresponding path program 4 times [2023-08-29 01:07:59,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:59,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237832978] [2023-08-29 01:07:59,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:59,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:08:00,286 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 01:08:00,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:08:00,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237832978] [2023-08-29 01:08:00,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237832978] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:08:00,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:08:00,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:08:00,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618950684] [2023-08-29 01:08:00,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:08:00,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:08:00,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:08:00,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:08:00,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:08:01,408 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 01:08:01,409 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 693 transitions, 18977 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:01,409 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:08:01,409 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 01:08:01,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:08:05,180 INFO L130 PetriNetUnfolder]: 4653/8517 cut-off events. [2023-08-29 01:08:05,181 INFO L131 PetriNetUnfolder]: For 289623/289633 co-relation queries the response was YES. [2023-08-29 01:08:05,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76400 conditions, 8517 events. 4653/8517 cut-off events. For 289623/289633 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 63806 event pairs, 616 based on Foata normal form. 18/8532 useless extension candidates. Maximal degree in co-relation 76326. Up to 3863 conditions per place. [2023-08-29 01:08:05,259 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 511 selfloop transitions, 316 changer transitions 0/846 dead transitions. [2023-08-29 01:08:05,260 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 846 transitions, 22723 flow [2023-08-29 01:08:05,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-29 01:08:05,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-29 01:08:05,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3246 transitions. [2023-08-29 01:08:05,262 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42631993695823484 [2023-08-29 01:08:05,262 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3246 transitions. [2023-08-29 01:08:05,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3246 transitions. [2023-08-29 01:08:05,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:08:05,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3246 transitions. [2023-08-29 01:08:05,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 180.33333333333334) internal successors, (3246), 18 states have internal predecessors, (3246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:05,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 423.0) internal successors, (8037), 19 states have internal predecessors, (8037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:05,269 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 423.0) internal successors, (8037), 19 states have internal predecessors, (8037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:05,269 INFO L175 Difference]: Start difference. First operand has 223 places, 693 transitions, 18977 flow. Second operand 18 states and 3246 transitions. [2023-08-29 01:08:05,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 846 transitions, 22723 flow [2023-08-29 01:08:06,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 846 transitions, 22493 flow, removed 9 selfloop flow, removed 6 redundant places. [2023-08-29 01:08:06,826 INFO L231 Difference]: Finished difference. Result has 239 places, 737 transitions, 20893 flow [2023-08-29 01:08:06,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=18777, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=272, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=20893, PETRI_PLACES=239, PETRI_TRANSITIONS=737} [2023-08-29 01:08:06,827 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 153 predicate places. [2023-08-29 01:08:06,827 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 737 transitions, 20893 flow [2023-08-29 01:08:06,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:06,828 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:08:06,828 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:08:06,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 01:08:06,829 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:08:06,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:08:06,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1342677037, now seen corresponding path program 5 times [2023-08-29 01:08:06,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:08:06,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459391428] [2023-08-29 01:08:06,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:08:06,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:08:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:08:07,281 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 01:08:07,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:08:07,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459391428] [2023-08-29 01:08:07,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459391428] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:08:07,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:08:07,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:08:07,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127979931] [2023-08-29 01:08:07,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:08:07,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:08:07,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:08:07,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:08:07,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:08:08,383 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 423 [2023-08-29 01:08:08,384 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 737 transitions, 20893 flow. Second operand has 13 states, 13 states have (on average 168.15384615384616) internal successors, (2186), 13 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:08,384 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:08:08,384 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 423 [2023-08-29 01:08:08,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:08:12,435 INFO L130 PetriNetUnfolder]: 4830/8932 cut-off events. [2023-08-29 01:08:12,435 INFO L131 PetriNetUnfolder]: For 328635/328635 co-relation queries the response was YES. [2023-08-29 01:08:12,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82321 conditions, 8932 events. 4830/8932 cut-off events. For 328635/328635 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 67615 event pairs, 819 based on Foata normal form. 16/8935 useless extension candidates. Maximal degree in co-relation 82242. Up to 4025 conditions per place. [2023-08-29 01:08:12,520 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 719 selfloop transitions, 238 changer transitions 0/976 dead transitions. [2023-08-29 01:08:12,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 976 transitions, 26964 flow [2023-08-29 01:08:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-29 01:08:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-29 01:08:12,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2696 transitions. [2023-08-29 01:08:12,523 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4249014972419228 [2023-08-29 01:08:12,523 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2696 transitions. [2023-08-29 01:08:12,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2696 transitions. [2023-08-29 01:08:12,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:08:12,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2696 transitions. [2023-08-29 01:08:12,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 179.73333333333332) internal successors, (2696), 15 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:12,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 423.0) internal successors, (6768), 16 states have internal predecessors, (6768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:12,531 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 423.0) internal successors, (6768), 16 states have internal predecessors, (6768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:12,531 INFO L175 Difference]: Start difference. First operand has 239 places, 737 transitions, 20893 flow. Second operand 15 states and 2696 transitions. [2023-08-29 01:08:12,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 976 transitions, 26964 flow [2023-08-29 01:08:14,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 976 transitions, 26700 flow, removed 128 selfloop flow, removed 3 redundant places. [2023-08-29 01:08:14,626 INFO L231 Difference]: Finished difference. Result has 257 places, 757 transitions, 21839 flow [2023-08-29 01:08:14,627 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=20683, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=737, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=21839, PETRI_PLACES=257, PETRI_TRANSITIONS=757} [2023-08-29 01:08:14,627 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 171 predicate places. [2023-08-29 01:08:14,627 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 757 transitions, 21839 flow [2023-08-29 01:08:14,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 168.15384615384616) internal successors, (2186), 13 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:14,628 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:08:14,628 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:08:14,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 01:08:14,628 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:08:14,629 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:08:14,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1190304493, now seen corresponding path program 6 times [2023-08-29 01:08:14,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:08:14,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696569349] [2023-08-29 01:08:14,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:08:14,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:08:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:08:15,031 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 01:08:15,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:08:15,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696569349] [2023-08-29 01:08:15,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696569349] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:08:15,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:08:15,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:08:15,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936873878] [2023-08-29 01:08:15,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:08:15,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:08:15,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:08:15,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:08:15,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:08:16,192 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 01:08:16,193 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 757 transitions, 21839 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:16,193 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:08:16,193 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 01:08:16,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:08:19,670 INFO L130 PetriNetUnfolder]: 5106/9394 cut-off events. [2023-08-29 01:08:19,670 INFO L131 PetriNetUnfolder]: For 373628/373638 co-relation queries the response was YES. [2023-08-29 01:08:19,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88994 conditions, 9394 events. 5106/9394 cut-off events. For 373628/373638 co-relation queries the response was YES. Maximal size of possible extension queue 527. Compared 71853 event pairs, 700 based on Foata normal form. 18/9409 useless extension candidates. Maximal degree in co-relation 88908. Up to 4305 conditions per place. [2023-08-29 01:08:19,932 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 579 selfloop transitions, 326 changer transitions 0/924 dead transitions. [2023-08-29 01:08:19,932 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 924 transitions, 26296 flow [2023-08-29 01:08:19,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-29 01:08:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-29 01:08:19,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3250 transitions. [2023-08-29 01:08:19,936 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42684528500131336 [2023-08-29 01:08:19,936 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3250 transitions. [2023-08-29 01:08:19,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3250 transitions. [2023-08-29 01:08:19,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:08:19,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3250 transitions. [2023-08-29 01:08:19,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 180.55555555555554) internal successors, (3250), 18 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:19,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 423.0) internal successors, (8037), 19 states have internal predecessors, (8037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:19,945 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 423.0) internal successors, (8037), 19 states have internal predecessors, (8037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:19,946 INFO L175 Difference]: Start difference. First operand has 257 places, 757 transitions, 21839 flow. Second operand 18 states and 3250 transitions. [2023-08-29 01:08:19,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 924 transitions, 26296 flow [2023-08-29 01:08:22,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 924 transitions, 25871 flow, removed 22 selfloop flow, removed 7 redundant places. [2023-08-29 01:08:22,478 INFO L231 Difference]: Finished difference. Result has 273 places, 822 transitions, 24483 flow [2023-08-29 01:08:22,479 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=21479, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=24483, PETRI_PLACES=273, PETRI_TRANSITIONS=822} [2023-08-29 01:08:22,481 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 187 predicate places. [2023-08-29 01:08:22,481 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 822 transitions, 24483 flow [2023-08-29 01:08:22,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:22,482 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:08:22,482 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:08:22,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 01:08:22,482 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:08:22,484 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:08:22,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1117777293, now seen corresponding path program 7 times [2023-08-29 01:08:22,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:08:22,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638322831] [2023-08-29 01:08:22,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:08:22,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:08:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:08:22,894 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 01:08:22,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:08:22,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638322831] [2023-08-29 01:08:22,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638322831] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:08:22,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:08:22,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:08:22,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960599279] [2023-08-29 01:08:22,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:08:22,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:08:22,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:08:22,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:08:22,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:08:23,880 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 01:08:23,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 822 transitions, 24483 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:23,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:08:23,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 01:08:23,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:08:28,720 INFO L130 PetriNetUnfolder]: 5314/9860 cut-off events. [2023-08-29 01:08:28,720 INFO L131 PetriNetUnfolder]: For 431794/431794 co-relation queries the response was YES. [2023-08-29 01:08:28,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95388 conditions, 9860 events. 5314/9860 cut-off events. For 431794/431794 co-relation queries the response was YES. Maximal size of possible extension queue 552. Compared 76168 event pairs, 692 based on Foata normal form. 16/9863 useless extension candidates. Maximal degree in co-relation 95296. Up to 4489 conditions per place. [2023-08-29 01:08:28,847 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 666 selfloop transitions, 408 changer transitions 0/1093 dead transitions. [2023-08-29 01:08:28,848 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 1093 transitions, 31410 flow [2023-08-29 01:08:28,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-08-29 01:08:28,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-08-29 01:08:28,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3993 transitions. [2023-08-29 01:08:28,852 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42907801418439717 [2023-08-29 01:08:28,853 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3993 transitions. [2023-08-29 01:08:28,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3993 transitions. [2023-08-29 01:08:28,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:08:28,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3993 transitions. [2023-08-29 01:08:28,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 181.5) internal successors, (3993), 22 states have internal predecessors, (3993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:28,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 423.0) internal successors, (9729), 23 states have internal predecessors, (9729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:28,865 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 423.0) internal successors, (9729), 23 states have internal predecessors, (9729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:28,865 INFO L175 Difference]: Start difference. First operand has 273 places, 822 transitions, 24483 flow. Second operand 22 states and 3993 transitions. [2023-08-29 01:08:28,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 1093 transitions, 31410 flow [2023-08-29 01:08:32,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 1093 transitions, 31245 flow, removed 52 selfloop flow, removed 5 redundant places. [2023-08-29 01:08:32,113 INFO L231 Difference]: Finished difference. Result has 299 places, 849 transitions, 26246 flow [2023-08-29 01:08:32,114 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=24336, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=822, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=381, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=26246, PETRI_PLACES=299, PETRI_TRANSITIONS=849} [2023-08-29 01:08:32,114 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 213 predicate places. [2023-08-29 01:08:32,114 INFO L495 AbstractCegarLoop]: Abstraction has has 299 places, 849 transitions, 26246 flow [2023-08-29 01:08:32,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:32,115 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:08:32,115 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:08:32,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 01:08:32,115 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:08:32,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:08:32,115 INFO L85 PathProgramCache]: Analyzing trace with hash 135165731, now seen corresponding path program 8 times [2023-08-29 01:08:32,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:08:32,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470843291] [2023-08-29 01:08:32,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:08:32,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:08:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:08:32,554 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 01:08:32,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:08:32,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470843291] [2023-08-29 01:08:32,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470843291] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:08:32,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:08:32,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:08:32,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900236771] [2023-08-29 01:08:32,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:08:32,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:08:32,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:08:32,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:08:32,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:08:33,489 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 01:08:33,490 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 849 transitions, 26246 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:33,490 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:08:33,490 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 01:08:33,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:08:37,938 INFO L130 PetriNetUnfolder]: 5628/10384 cut-off events. [2023-08-29 01:08:37,939 INFO L131 PetriNetUnfolder]: For 498842/498852 co-relation queries the response was YES. [2023-08-29 01:08:38,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104425 conditions, 10384 events. 5628/10384 cut-off events. For 498842/498852 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 81410 event pairs, 794 based on Foata normal form. 18/10399 useless extension candidates. Maximal degree in co-relation 104323. Up to 4797 conditions per place. [2023-08-29 01:08:38,057 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 657 selfloop transitions, 349 changer transitions 0/1025 dead transitions. [2023-08-29 01:08:38,057 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 1025 transitions, 30926 flow [2023-08-29 01:08:38,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-08-29 01:08:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-08-29 01:08:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3956 transitions. [2023-08-29 01:08:38,062 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42510208467655275 [2023-08-29 01:08:38,063 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3956 transitions. [2023-08-29 01:08:38,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3956 transitions. [2023-08-29 01:08:38,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:08:38,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3956 transitions. [2023-08-29 01:08:38,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 179.8181818181818) internal successors, (3956), 22 states have internal predecessors, (3956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:38,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 423.0) internal successors, (9729), 23 states have internal predecessors, (9729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:38,074 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 423.0) internal successors, (9729), 23 states have internal predecessors, (9729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:38,074 INFO L175 Difference]: Start difference. First operand has 299 places, 849 transitions, 26246 flow. Second operand 22 states and 3956 transitions. [2023-08-29 01:08:38,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 1025 transitions, 30926 flow [2023-08-29 01:08:41,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 1025 transitions, 30220 flow, removed 141 selfloop flow, removed 7 redundant places. [2023-08-29 01:08:41,714 INFO L231 Difference]: Finished difference. Result has 322 places, 909 transitions, 28457 flow [2023-08-29 01:08:41,714 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=25589, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=849, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=28457, PETRI_PLACES=322, PETRI_TRANSITIONS=909} [2023-08-29 01:08:41,715 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 236 predicate places. [2023-08-29 01:08:41,715 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 909 transitions, 28457 flow [2023-08-29 01:08:41,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:41,716 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:08:41,716 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:08:41,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 01:08:41,716 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:08:41,716 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:08:41,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1177211551, now seen corresponding path program 9 times [2023-08-29 01:08:41,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:08:41,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558752223] [2023-08-29 01:08:41,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:08:41,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:08:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:08:42,104 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 01:08:42,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:08:42,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558752223] [2023-08-29 01:08:42,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558752223] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:08:42,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:08:42,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:08:42,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818755315] [2023-08-29 01:08:42,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:08:42,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:08:42,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:08:42,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:08:42,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:08:43,197 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 01:08:43,198 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 909 transitions, 28457 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:43,198 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:08:43,198 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 01:08:43,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:08:48,005 INFO L130 PetriNetUnfolder]: 5604/10379 cut-off events. [2023-08-29 01:08:48,005 INFO L131 PetriNetUnfolder]: For 521012/521017 co-relation queries the response was YES. [2023-08-29 01:08:48,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106911 conditions, 10379 events. 5604/10379 cut-off events. For 521012/521017 co-relation queries the response was YES. Maximal size of possible extension queue 595. Compared 81360 event pairs, 795 based on Foata normal form. 17/10388 useless extension candidates. Maximal degree in co-relation 106805. Up to 4781 conditions per place. [2023-08-29 01:08:48,141 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 824 selfloop transitions, 299 changer transitions 0/1142 dead transitions. [2023-08-29 01:08:48,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 1142 transitions, 35111 flow [2023-08-29 01:08:48,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-08-29 01:08:48,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-08-29 01:08:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3617 transitions. [2023-08-29 01:08:48,144 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4275413711583924 [2023-08-29 01:08:48,144 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3617 transitions. [2023-08-29 01:08:48,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3617 transitions. [2023-08-29 01:08:48,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:08:48,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3617 transitions. [2023-08-29 01:08:48,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 180.85) internal successors, (3617), 20 states have internal predecessors, (3617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:48,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 423.0) internal successors, (8883), 21 states have internal predecessors, (8883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:48,153 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 423.0) internal successors, (8883), 21 states have internal predecessors, (8883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:48,154 INFO L175 Difference]: Start difference. First operand has 322 places, 909 transitions, 28457 flow. Second operand 20 states and 3617 transitions. [2023-08-29 01:08:48,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 1142 transitions, 35111 flow [2023-08-29 01:08:53,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 1142 transitions, 34893 flow, removed 105 selfloop flow, removed 3 redundant places. [2023-08-29 01:08:53,560 INFO L231 Difference]: Finished difference. Result has 343 places, 922 transitions, 29302 flow [2023-08-29 01:08:53,561 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=28283, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=909, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=614, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=29302, PETRI_PLACES=343, PETRI_TRANSITIONS=922} [2023-08-29 01:08:53,561 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 257 predicate places. [2023-08-29 01:08:53,561 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 922 transitions, 29302 flow [2023-08-29 01:08:53,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:53,561 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:08:53,562 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:08:53,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 01:08:53,562 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:08:53,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:08:53,562 INFO L85 PathProgramCache]: Analyzing trace with hash 150334581, now seen corresponding path program 10 times [2023-08-29 01:08:53,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:08:53,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300502760] [2023-08-29 01:08:53,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:08:53,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:08:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:08:54,001 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 01:08:54,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:08:54,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300502760] [2023-08-29 01:08:54,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300502760] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:08:54,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:08:54,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:08:54,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369199833] [2023-08-29 01:08:54,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:08:54,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:08:54,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:08:54,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:08:54,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:08:54,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 01:08:54,928 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 922 transitions, 29302 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:08:54,928 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:08:54,928 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 01:08:54,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:09:01,267 INFO L130 PetriNetUnfolder]: 7305/13459 cut-off events. [2023-08-29 01:09:01,268 INFO L131 PetriNetUnfolder]: For 697198/697208 co-relation queries the response was YES. [2023-08-29 01:09:01,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137709 conditions, 13459 events. 7305/13459 cut-off events. For 697198/697208 co-relation queries the response was YES. Maximal size of possible extension queue 775. Compared 109868 event pairs, 993 based on Foata normal form. 18/13469 useless extension candidates. Maximal degree in co-relation 137598. Up to 6232 conditions per place. [2023-08-29 01:09:01,470 INFO L137 encePairwiseOnDemand]: 408/423 looper letters, 869 selfloop transitions, 373 changer transitions 0/1261 dead transitions. [2023-08-29 01:09:01,470 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 1261 transitions, 39801 flow [2023-08-29 01:09:01,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 01:09:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 01:09:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2915 transitions. [2023-08-29 01:09:01,473 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307033096926714 [2023-08-29 01:09:01,473 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2915 transitions. [2023-08-29 01:09:01,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2915 transitions. [2023-08-29 01:09:01,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:09:01,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2915 transitions. [2023-08-29 01:09:01,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 182.1875) internal successors, (2915), 16 states have internal predecessors, (2915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:01,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:01,484 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:01,484 INFO L175 Difference]: Start difference. First operand has 343 places, 922 transitions, 29302 flow. Second operand 16 states and 2915 transitions. [2023-08-29 01:09:01,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 1261 transitions, 39801 flow [2023-08-29 01:09:08,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 1261 transitions, 39192 flow, removed 18 selfloop flow, removed 9 redundant places. [2023-08-29 01:09:08,783 INFO L231 Difference]: Finished difference. Result has 358 places, 1046 transitions, 34854 flow [2023-08-29 01:09:08,784 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=28844, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=922, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=588, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=34854, PETRI_PLACES=358, PETRI_TRANSITIONS=1046} [2023-08-29 01:09:08,784 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 272 predicate places. [2023-08-29 01:09:08,784 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 1046 transitions, 34854 flow [2023-08-29 01:09:08,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:08,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:09:08,785 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:09:08,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-29 01:09:08,785 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:09:08,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:09:08,785 INFO L85 PathProgramCache]: Analyzing trace with hash 2045596497, now seen corresponding path program 11 times [2023-08-29 01:09:08,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:09:08,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743951599] [2023-08-29 01:09:08,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:09:08,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:09:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:09:09,147 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 01:09:09,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:09:09,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743951599] [2023-08-29 01:09:09,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743951599] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:09:09,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:09:09,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:09:09,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966914459] [2023-08-29 01:09:09,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:09:09,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:09:09,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:09:09,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:09:09,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:09:10,305 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 01:09:10,307 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 1046 transitions, 34854 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:10,307 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:09:10,307 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 01:09:10,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:09:17,675 INFO L130 PetriNetUnfolder]: 7922/14840 cut-off events. [2023-08-29 01:09:17,675 INFO L131 PetriNetUnfolder]: For 849996/849996 co-relation queries the response was YES. [2023-08-29 01:09:17,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153993 conditions, 14840 events. 7922/14840 cut-off events. For 849996/849996 co-relation queries the response was YES. Maximal size of possible extension queue 841. Compared 125458 event pairs, 1552 based on Foata normal form. 16/14838 useless extension candidates. Maximal degree in co-relation 153873. Up to 6870 conditions per place. [2023-08-29 01:09:17,891 INFO L137 encePairwiseOnDemand]: 406/423 looper letters, 779 selfloop transitions, 534 changer transitions 0/1332 dead transitions. [2023-08-29 01:09:17,891 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 1332 transitions, 45092 flow [2023-08-29 01:09:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 01:09:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 01:09:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2925 transitions. [2023-08-29 01:09:17,894 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4321808510638298 [2023-08-29 01:09:17,894 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2925 transitions. [2023-08-29 01:09:17,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2925 transitions. [2023-08-29 01:09:17,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:09:17,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2925 transitions. [2023-08-29 01:09:17,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 182.8125) internal successors, (2925), 16 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:17,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:17,899 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:17,899 INFO L175 Difference]: Start difference. First operand has 358 places, 1046 transitions, 34854 flow. Second operand 16 states and 2925 transitions. [2023-08-29 01:09:17,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 1332 transitions, 45092 flow [2023-08-29 01:09:26,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 1332 transitions, 44860 flow, removed 55 selfloop flow, removed 5 redundant places. [2023-08-29 01:09:27,016 INFO L231 Difference]: Finished difference. Result has 377 places, 1159 transitions, 41507 flow [2023-08-29 01:09:27,017 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=34640, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=421, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=41507, PETRI_PLACES=377, PETRI_TRANSITIONS=1159} [2023-08-29 01:09:27,017 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 291 predicate places. [2023-08-29 01:09:27,017 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 1159 transitions, 41507 flow [2023-08-29 01:09:27,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:27,018 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:09:27,018 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:09:27,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-29 01:09:27,018 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:09:27,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:09:27,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1344052219, now seen corresponding path program 12 times [2023-08-29 01:09:27,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:09:27,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644911864] [2023-08-29 01:09:27,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:09:27,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:09:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:09:27,442 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 01:09:27,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:09:27,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644911864] [2023-08-29 01:09:27,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644911864] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:09:27,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:09:27,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:09:27,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044462200] [2023-08-29 01:09:27,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:09:27,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:09:27,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:09:27,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:09:27,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:09:28,370 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 423 [2023-08-29 01:09:28,371 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 1159 transitions, 41507 flow. Second operand has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:28,371 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:09:28,371 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 423 [2023-08-29 01:09:28,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:09:35,722 INFO L130 PetriNetUnfolder]: 7898/14765 cut-off events. [2023-08-29 01:09:35,723 INFO L131 PetriNetUnfolder]: For 906749/906754 co-relation queries the response was YES. [2023-08-29 01:09:35,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158610 conditions, 14765 events. 7898/14765 cut-off events. For 906749/906754 co-relation queries the response was YES. Maximal size of possible extension queue 844. Compared 124746 event pairs, 1256 based on Foata normal form. 17/14769 useless extension candidates. Maximal degree in co-relation 158481. Up to 6854 conditions per place. [2023-08-29 01:09:35,939 INFO L137 encePairwiseOnDemand]: 406/423 looper letters, 1009 selfloop transitions, 412 changer transitions 0/1440 dead transitions. [2023-08-29 01:09:35,939 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 1440 transitions, 49543 flow [2023-08-29 01:09:35,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 01:09:35,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 01:09:35,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2932 transitions. [2023-08-29 01:09:35,943 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43321513002364065 [2023-08-29 01:09:35,943 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2932 transitions. [2023-08-29 01:09:35,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2932 transitions. [2023-08-29 01:09:35,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:09:35,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2932 transitions. [2023-08-29 01:09:35,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 183.25) internal successors, (2932), 16 states have internal predecessors, (2932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:35,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:35,950 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 423.0) internal successors, (7191), 17 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:35,950 INFO L175 Difference]: Start difference. First operand has 377 places, 1159 transitions, 41507 flow. Second operand 16 states and 2932 transitions. [2023-08-29 01:09:35,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 1440 transitions, 49543 flow [2023-08-29 01:09:45,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 1440 transitions, 48673 flow, removed 31 selfloop flow, removed 7 redundant places. [2023-08-29 01:09:45,154 INFO L231 Difference]: Finished difference. Result has 393 places, 1223 transitions, 44245 flow [2023-08-29 01:09:45,155 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=40697, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=348, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=755, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=44245, PETRI_PLACES=393, PETRI_TRANSITIONS=1223} [2023-08-29 01:09:45,156 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 307 predicate places. [2023-08-29 01:09:45,156 INFO L495 AbstractCegarLoop]: Abstraction has has 393 places, 1223 transitions, 44245 flow [2023-08-29 01:09:45,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 171.15384615384616) internal successors, (2225), 13 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:45,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:09:45,157 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 01:09:45,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-29 01:09:45,157 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:09:45,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:09:45,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1109598488, now seen corresponding path program 1 times [2023-08-29 01:09:45,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:09:45,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153943807] [2023-08-29 01:09:45,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:09:45,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:09:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:09:45,315 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 01:09:45,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:09:45,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153943807] [2023-08-29 01:09:45,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153943807] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:09:45,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:09:45,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:09:45,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231184310] [2023-08-29 01:09:45,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:09:45,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:09:45,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:09:45,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:09:45,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:09:45,622 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 423 [2023-08-29 01:09:45,623 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 1223 transitions, 44245 flow. Second operand has 6 states, 6 states have (on average 173.5) internal successors, (1041), 6 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:45,623 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:09:45,623 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 423 [2023-08-29 01:09:45,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:09:51,506 INFO L130 PetriNetUnfolder]: 5635/11732 cut-off events. [2023-08-29 01:09:51,507 INFO L131 PetriNetUnfolder]: For 654808/656772 co-relation queries the response was YES. [2023-08-29 01:09:51,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129025 conditions, 11732 events. 5635/11732 cut-off events. For 654808/656772 co-relation queries the response was YES. Maximal size of possible extension queue 866. Compared 109323 event pairs, 2404 based on Foata normal form. 138/11346 useless extension candidates. Maximal degree in co-relation 128887. Up to 10081 conditions per place. [2023-08-29 01:09:51,683 INFO L137 encePairwiseOnDemand]: 418/423 looper letters, 904 selfloop transitions, 4 changer transitions 0/1222 dead transitions. [2023-08-29 01:09:51,683 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 1222 transitions, 46059 flow [2023-08-29 01:09:51,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:09:51,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:09:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1067 transitions. [2023-08-29 01:09:51,685 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42040977147360126 [2023-08-29 01:09:51,685 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1067 transitions. [2023-08-29 01:09:51,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1067 transitions. [2023-08-29 01:09:51,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:09:51,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1067 transitions. [2023-08-29 01:09:51,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:51,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:51,689 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:51,689 INFO L175 Difference]: Start difference. First operand has 393 places, 1223 transitions, 44245 flow. Second operand 6 states and 1067 transitions. [2023-08-29 01:09:51,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 1222 transitions, 46059 flow [2023-08-29 01:09:56,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 1222 transitions, 45183 flow, removed 115 selfloop flow, removed 8 redundant places. [2023-08-29 01:09:56,459 INFO L231 Difference]: Finished difference. Result has 389 places, 1222 transitions, 43375 flow [2023-08-29 01:09:56,460 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=43367, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=43375, PETRI_PLACES=389, PETRI_TRANSITIONS=1222} [2023-08-29 01:09:56,462 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 303 predicate places. [2023-08-29 01:09:56,462 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 1222 transitions, 43375 flow [2023-08-29 01:09:56,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 173.5) internal successors, (1041), 6 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:56,463 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:09:56,463 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:09:56,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-29 01:09:56,463 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:09:56,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:09:56,463 INFO L85 PathProgramCache]: Analyzing trace with hash 188147868, now seen corresponding path program 1 times [2023-08-29 01:09:56,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:09:56,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015104080] [2023-08-29 01:09:56,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:09:56,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:09:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:09:56,759 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 01:09:56,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:09:56,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015104080] [2023-08-29 01:09:56,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015104080] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:09:56,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:09:56,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:09:56,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237384568] [2023-08-29 01:09:56,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:09:56,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:09:56,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:09:56,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:09:56,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:09:57,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 423 [2023-08-29 01:09:57,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 1222 transitions, 43375 flow. Second operand has 6 states, 6 states have (on average 173.66666666666666) internal successors, (1042), 6 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:09:57,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:09:57,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 423 [2023-08-29 01:09:57,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:02,564 INFO L130 PetriNetUnfolder]: 5569/11534 cut-off events. [2023-08-29 01:10:02,564 INFO L131 PetriNetUnfolder]: For 635636/637846 co-relation queries the response was YES. [2023-08-29 01:10:02,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125573 conditions, 11534 events. 5569/11534 cut-off events. For 635636/637846 co-relation queries the response was YES. Maximal size of possible extension queue 861. Compared 106727 event pairs, 2334 based on Foata normal form. 178/11153 useless extension candidates. Maximal degree in co-relation 125436. Up to 9916 conditions per place. [2023-08-29 01:10:02,732 INFO L137 encePairwiseOnDemand]: 416/423 looper letters, 890 selfloop transitions, 0 changer transitions 28/1223 dead transitions. [2023-08-29 01:10:02,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 1223 transitions, 45196 flow [2023-08-29 01:10:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:10:02,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:10:02,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1068 transitions. [2023-08-29 01:10:02,734 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42080378250591016 [2023-08-29 01:10:02,734 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1068 transitions. [2023-08-29 01:10:02,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1068 transitions. [2023-08-29 01:10:02,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:02,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1068 transitions. [2023-08-29 01:10:02,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:02,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:02,737 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:02,737 INFO L175 Difference]: Start difference. First operand has 389 places, 1222 transitions, 43375 flow. Second operand 6 states and 1068 transitions. [2023-08-29 01:10:02,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 1223 transitions, 45196 flow [2023-08-29 01:10:07,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 1223 transitions, 45173 flow, removed 8 selfloop flow, removed 4 redundant places. [2023-08-29 01:10:07,521 INFO L231 Difference]: Finished difference. Result has 389 places, 1195 transitions, 43292 flow [2023-08-29 01:10:07,522 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=43350, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=43292, PETRI_PLACES=389, PETRI_TRANSITIONS=1195} [2023-08-29 01:10:07,522 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 303 predicate places. [2023-08-29 01:10:07,522 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 1195 transitions, 43292 flow [2023-08-29 01:10:07,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 173.66666666666666) internal successors, (1042), 6 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:07,523 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:07,523 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:07,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-29 01:10:07,523 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:10:07,523 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:07,524 INFO L85 PathProgramCache]: Analyzing trace with hash 536488295, now seen corresponding path program 1 times [2023-08-29 01:10:07,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:07,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652918146] [2023-08-29 01:10:07,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:07,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:08,027 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 01:10:08,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:08,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652918146] [2023-08-29 01:10:08,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652918146] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:08,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:08,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:10:08,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203650029] [2023-08-29 01:10:08,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:08,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:10:08,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:08,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:10:08,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:10:08,309 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 423 [2023-08-29 01:10:08,310 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 1195 transitions, 43292 flow. Second operand has 6 states, 6 states have (on average 179.66666666666666) internal successors, (1078), 6 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:08,310 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:08,310 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 423 [2023-08-29 01:10:08,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:13,938 INFO L130 PetriNetUnfolder]: 5681/11617 cut-off events. [2023-08-29 01:10:13,938 INFO L131 PetriNetUnfolder]: For 636593/638803 co-relation queries the response was YES. [2023-08-29 01:10:14,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126162 conditions, 11617 events. 5681/11617 cut-off events. For 636593/638803 co-relation queries the response was YES. Maximal size of possible extension queue 860. Compared 106935 event pairs, 2340 based on Foata normal form. 174/11238 useless extension candidates. Maximal degree in co-relation 126025. Up to 10010 conditions per place. [2023-08-29 01:10:14,101 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 811 selfloop transitions, 12 changer transitions 101/1223 dead transitions. [2023-08-29 01:10:14,101 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 1223 transitions, 45448 flow [2023-08-29 01:10:14,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:10:14,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:10:14,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1109 transitions. [2023-08-29 01:10:14,103 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4369582348305753 [2023-08-29 01:10:14,103 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1109 transitions. [2023-08-29 01:10:14,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1109 transitions. [2023-08-29 01:10:14,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:14,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1109 transitions. [2023-08-29 01:10:14,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.83333333333334) internal successors, (1109), 6 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:14,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:14,108 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 423.0) internal successors, (2961), 7 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:14,108 INFO L175 Difference]: Start difference. First operand has 389 places, 1195 transitions, 43292 flow. Second operand 6 states and 1109 transitions. [2023-08-29 01:10:14,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 1223 transitions, 45448 flow [2023-08-29 01:10:18,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 1223 transitions, 45448 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:10:18,835 INFO L231 Difference]: Finished difference. Result has 368 places, 1110 transitions, 40174 flow [2023-08-29 01:10:18,835 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=43292, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=40174, PETRI_PLACES=368, PETRI_TRANSITIONS=1110} [2023-08-29 01:10:18,836 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 282 predicate places. [2023-08-29 01:10:18,836 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 1110 transitions, 40174 flow [2023-08-29 01:10:18,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.66666666666666) internal successors, (1078), 6 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:18,836 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:18,836 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:18,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-08-29 01:10:18,837 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:10:18,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:18,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1544351377, now seen corresponding path program 1 times [2023-08-29 01:10:18,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:18,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421229574] [2023-08-29 01:10:18,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:18,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:19,466 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 01:10:19,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:19,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421229574] [2023-08-29 01:10:19,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421229574] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:19,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:19,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:19,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198898579] [2023-08-29 01:10:19,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:19,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:19,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:19,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:20,005 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-29 01:10:20,006 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 1110 transitions, 40174 flow. Second operand has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:20,006 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:20,006 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-29 01:10:20,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:25,144 INFO L130 PetriNetUnfolder]: 5038/10949 cut-off events. [2023-08-29 01:10:25,144 INFO L131 PetriNetUnfolder]: For 632328/633815 co-relation queries the response was YES. [2023-08-29 01:10:25,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115794 conditions, 10949 events. 5038/10949 cut-off events. For 632328/633815 co-relation queries the response was YES. Maximal size of possible extension queue 806. Compared 104886 event pairs, 1487 based on Foata normal form. 185/10669 useless extension candidates. Maximal degree in co-relation 115652. Up to 9033 conditions per place. [2023-08-29 01:10:25,274 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 94 selfloop transitions, 5 changer transitions 1005/1147 dead transitions. [2023-08-29 01:10:25,275 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 1147 transitions, 42090 flow [2023-08-29 01:10:25,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:25,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:25,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1617 transitions. [2023-08-29 01:10:25,276 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4247438928289992 [2023-08-29 01:10:25,276 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1617 transitions. [2023-08-29 01:10:25,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1617 transitions. [2023-08-29 01:10:25,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:25,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1617 transitions. [2023-08-29 01:10:25,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 179.66666666666666) internal successors, (1617), 9 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:25,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:25,280 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:25,280 INFO L175 Difference]: Start difference. First operand has 368 places, 1110 transitions, 40174 flow. Second operand 9 states and 1617 transitions. [2023-08-29 01:10:25,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 1147 transitions, 42090 flow [2023-08-29 01:10:30,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 1147 transitions, 41994 flow, removed 48 selfloop flow, removed 0 redundant places. [2023-08-29 01:10:30,418 INFO L231 Difference]: Finished difference. Result has 380 places, 137 transitions, 3614 flow [2023-08-29 01:10:30,419 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=40110, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3614, PETRI_PLACES=380, PETRI_TRANSITIONS=137} [2023-08-29 01:10:30,419 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 294 predicate places. [2023-08-29 01:10:30,419 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 137 transitions, 3614 flow [2023-08-29 01:10:30,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:30,420 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:30,420 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:30,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-08-29 01:10:30,420 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:10:30,420 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:30,420 INFO L85 PathProgramCache]: Analyzing trace with hash -587964285, now seen corresponding path program 2 times [2023-08-29 01:10:30,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:30,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628706762] [2023-08-29 01:10:30,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:30,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:30,962 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 01:10:30,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:30,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628706762] [2023-08-29 01:10:30,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628706762] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:30,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:30,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:30,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743417214] [2023-08-29 01:10:30,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:30,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:30,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:30,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:30,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:31,609 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-29 01:10:31,609 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 137 transitions, 3614 flow. Second operand has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:31,609 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:31,610 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-29 01:10:31,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:31,915 INFO L130 PetriNetUnfolder]: 142/482 cut-off events. [2023-08-29 01:10:31,915 INFO L131 PetriNetUnfolder]: For 17651/17684 co-relation queries the response was YES. [2023-08-29 01:10:31,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4253 conditions, 482 events. 142/482 cut-off events. For 17651/17684 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2483 event pairs, 53 based on Foata normal form. 8/489 useless extension candidates. Maximal degree in co-relation 4105. Up to 345 conditions per place. [2023-08-29 01:10:31,920 INFO L137 encePairwiseOnDemand]: 414/423 looper letters, 89 selfloop transitions, 11 changer transitions 8/151 dead transitions. [2023-08-29 01:10:31,920 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 151 transitions, 4067 flow [2023-08-29 01:10:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1595 transitions. [2023-08-29 01:10:31,922 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41896506435513525 [2023-08-29 01:10:31,922 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1595 transitions. [2023-08-29 01:10:31,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1595 transitions. [2023-08-29 01:10:31,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:31,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1595 transitions. [2023-08-29 01:10:31,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 177.22222222222223) internal successors, (1595), 9 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:31,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:31,925 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:31,925 INFO L175 Difference]: Start difference. First operand has 380 places, 137 transitions, 3614 flow. Second operand 9 states and 1595 transitions. [2023-08-29 01:10:31,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 151 transitions, 4067 flow [2023-08-29 01:10:31,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 151 transitions, 2404 flow, removed 94 selfloop flow, removed 112 redundant places. [2023-08-29 01:10:31,969 INFO L231 Difference]: Finished difference. Result has 210 places, 137 transitions, 2076 flow [2023-08-29 01:10:31,969 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2046, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2076, PETRI_PLACES=210, PETRI_TRANSITIONS=137} [2023-08-29 01:10:31,969 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 124 predicate places. [2023-08-29 01:10:31,969 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 137 transitions, 2076 flow [2023-08-29 01:10:31,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:31,969 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:31,969 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:31,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-08-29 01:10:31,970 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:10:31,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:31,970 INFO L85 PathProgramCache]: Analyzing trace with hash 853777139, now seen corresponding path program 3 times [2023-08-29 01:10:31,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:31,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961889413] [2023-08-29 01:10:31,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:31,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:32,473 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 01:10:32,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:32,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961889413] [2023-08-29 01:10:32,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961889413] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:32,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:32,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:32,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694577137] [2023-08-29 01:10:32,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:32,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:32,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:32,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:32,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:33,065 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-29 01:10:33,066 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 137 transitions, 2076 flow. Second operand has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:33,066 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:33,066 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-29 01:10:33,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:33,338 INFO L130 PetriNetUnfolder]: 157/518 cut-off events. [2023-08-29 01:10:33,339 INFO L131 PetriNetUnfolder]: For 4344/4360 co-relation queries the response was YES. [2023-08-29 01:10:33,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2960 conditions, 518 events. 157/518 cut-off events. For 4344/4360 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2691 event pairs, 53 based on Foata normal form. 8/525 useless extension candidates. Maximal degree in co-relation 2873. Up to 277 conditions per place. [2023-08-29 01:10:33,342 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 89 selfloop transitions, 6 changer transitions 22/160 dead transitions. [2023-08-29 01:10:33,342 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 160 transitions, 2437 flow [2023-08-29 01:10:33,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:33,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1599 transitions. [2023-08-29 01:10:33,344 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42001576044129235 [2023-08-29 01:10:33,344 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1599 transitions. [2023-08-29 01:10:33,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1599 transitions. [2023-08-29 01:10:33,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:33,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1599 transitions. [2023-08-29 01:10:33,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 177.66666666666666) internal successors, (1599), 9 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:33,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:33,347 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:33,347 INFO L175 Difference]: Start difference. First operand has 210 places, 137 transitions, 2076 flow. Second operand 9 states and 1599 transitions. [2023-08-29 01:10:33,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 160 transitions, 2437 flow [2023-08-29 01:10:33,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 160 transitions, 2375 flow, removed 1 selfloop flow, removed 14 redundant places. [2023-08-29 01:10:33,362 INFO L231 Difference]: Finished difference. Result has 207 places, 135 transitions, 2048 flow [2023-08-29 01:10:33,362 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2030, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2048, PETRI_PLACES=207, PETRI_TRANSITIONS=135} [2023-08-29 01:10:33,363 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 121 predicate places. [2023-08-29 01:10:33,363 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 135 transitions, 2048 flow [2023-08-29 01:10:33,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:33,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:33,363 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:33,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-08-29 01:10:33,363 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:10:33,364 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:33,364 INFO L85 PathProgramCache]: Analyzing trace with hash -576489945, now seen corresponding path program 4 times [2023-08-29 01:10:33,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:33,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084900486] [2023-08-29 01:10:33,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:33,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:33,883 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 01:10:33,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:33,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084900486] [2023-08-29 01:10:33,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084900486] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:33,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:33,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:33,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368579598] [2023-08-29 01:10:33,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:33,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:33,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:33,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:33,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:34,546 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-29 01:10:34,547 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 135 transitions, 2048 flow. Second operand has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:34,547 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:34,547 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-29 01:10:34,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:34,853 INFO L130 PetriNetUnfolder]: 98/398 cut-off events. [2023-08-29 01:10:34,853 INFO L131 PetriNetUnfolder]: For 3767/3783 co-relation queries the response was YES. [2023-08-29 01:10:34,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2310 conditions, 398 events. 98/398 cut-off events. For 3767/3783 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2091 event pairs, 21 based on Foata normal form. 8/405 useless extension candidates. Maximal degree in co-relation 2220. Up to 249 conditions per place. [2023-08-29 01:10:34,856 INFO L137 encePairwiseOnDemand]: 414/423 looper letters, 84 selfloop transitions, 10 changer transitions 14/151 dead transitions. [2023-08-29 01:10:34,856 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 151 transitions, 2388 flow [2023-08-29 01:10:34,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:10:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:10:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1768 transitions. [2023-08-29 01:10:34,858 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41796690307328604 [2023-08-29 01:10:34,858 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1768 transitions. [2023-08-29 01:10:34,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1768 transitions. [2023-08-29 01:10:34,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:34,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1768 transitions. [2023-08-29 01:10:34,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 176.8) internal successors, (1768), 10 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:34,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:34,863 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 423.0) internal successors, (4653), 11 states have internal predecessors, (4653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:34,863 INFO L175 Difference]: Start difference. First operand has 207 places, 135 transitions, 2048 flow. Second operand 10 states and 1768 transitions. [2023-08-29 01:10:34,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 151 transitions, 2388 flow [2023-08-29 01:10:34,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 151 transitions, 2328 flow, removed 11 selfloop flow, removed 10 redundant places. [2023-08-29 01:10:34,885 INFO L231 Difference]: Finished difference. Result has 206 places, 135 transitions, 2031 flow [2023-08-29 01:10:34,885 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2000, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2031, PETRI_PLACES=206, PETRI_TRANSITIONS=135} [2023-08-29 01:10:34,885 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 120 predicate places. [2023-08-29 01:10:34,885 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 135 transitions, 2031 flow [2023-08-29 01:10:34,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:34,886 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:10:34,886 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:34,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-08-29 01:10:34,886 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-08-29 01:10:34,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:10:34,887 INFO L85 PathProgramCache]: Analyzing trace with hash -364675935, now seen corresponding path program 5 times [2023-08-29 01:10:34,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:10:34,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661630091] [2023-08-29 01:10:34,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:10:34,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:10:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:10:35,357 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 01:10:35,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:10:35,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661630091] [2023-08-29 01:10:35,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661630091] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:10:35,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:10:35,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:10:35,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54834951] [2023-08-29 01:10:35,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:10:35,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:10:35,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:10:35,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:10:35,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:10:36,022 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 423 [2023-08-29 01:10:36,024 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 135 transitions, 2031 flow. Second operand has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:36,024 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:10:36,024 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 423 [2023-08-29 01:10:36,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:10:36,286 INFO L130 PetriNetUnfolder]: 84/356 cut-off events. [2023-08-29 01:10:36,286 INFO L131 PetriNetUnfolder]: For 3546/3562 co-relation queries the response was YES. [2023-08-29 01:10:36,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2151 conditions, 356 events. 84/356 cut-off events. For 3546/3562 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1863 event pairs, 15 based on Foata normal form. 8/363 useless extension candidates. Maximal degree in co-relation 2064. Up to 195 conditions per place. [2023-08-29 01:10:36,289 INFO L137 encePairwiseOnDemand]: 415/423 looper letters, 0 selfloop transitions, 0 changer transitions 146/146 dead transitions. [2023-08-29 01:10:36,289 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 146 transitions, 2308 flow [2023-08-29 01:10:36,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:10:36,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:10:36,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1591 transitions. [2023-08-29 01:10:36,294 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4179143682689782 [2023-08-29 01:10:36,294 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1591 transitions. [2023-08-29 01:10:36,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1591 transitions. [2023-08-29 01:10:36,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:10:36,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1591 transitions. [2023-08-29 01:10:36,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 176.77777777777777) internal successors, (1591), 9 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:36,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:36,300 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 423.0) internal successors, (4230), 10 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:36,300 INFO L175 Difference]: Start difference. First operand has 206 places, 135 transitions, 2031 flow. Second operand 9 states and 1591 transitions. [2023-08-29 01:10:36,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 146 transitions, 2308 flow [2023-08-29 01:10:36,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 146 transitions, 2279 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-08-29 01:10:36,314 INFO L231 Difference]: Finished difference. Result has 202 places, 0 transitions, 0 flow [2023-08-29 01:10:36,314 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=423, PETRI_DIFFERENCE_MINUEND_FLOW=2001, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=202, PETRI_TRANSITIONS=0} [2023-08-29 01:10:36,314 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, 116 predicate places. [2023-08-29 01:10:36,315 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 0 transitions, 0 flow [2023-08-29 01:10:36,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 174.4) internal successors, (1744), 10 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:10:36,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2023-08-29 01:10:36,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2023-08-29 01:10:36,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2023-08-29 01:10:36,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2023-08-29 01:10:36,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2023-08-29 01:10:36,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2023-08-29 01:10:36,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2023-08-29 01:10:36,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2023-08-29 01:10:36,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2023-08-29 01:10:36,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2023-08-29 01:10:36,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2023-08-29 01:10:36,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2023-08-29 01:10:36,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2023-08-29 01:10:36,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2023-08-29 01:10:36,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 25 remaining) [2023-08-29 01:10:36,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2023-08-29 01:10:36,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2023-08-29 01:10:36,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2023-08-29 01:10:36,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2023-08-29 01:10:36,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2023-08-29 01:10:36,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2023-08-29 01:10:36,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2023-08-29 01:10:36,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2023-08-29 01:10:36,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2023-08-29 01:10:36,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2023-08-29 01:10:36,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-08-29 01:10:36,322 INFO L445 BasicCegarLoop]: Path program histogram: [12, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:10:36,326 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:10:36,326 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:10:36,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:10:36 BasicIcfg [2023-08-29 01:10:36,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:10:36,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:10:36,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:10:36,329 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:10:36,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:06:28" (3/4) ... [2023-08-29 01:10:36,331 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 01:10:36,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-08-29 01:10:36,341 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2023-08-29 01:10:36,342 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-08-29 01:10:36,342 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-29 01:10:36,342 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 01:10:36,394 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 01:10:36,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:10:36,394 INFO L158 Benchmark]: Toolchain (without parser) took 249537.72ms. Allocated memory was 77.6MB in the beginning and 7.8GB in the end (delta: 7.8GB). Free memory was 51.9MB in the beginning and 6.1GB in the end (delta: -6.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-08-29 01:10:36,395 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:10:36,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.58ms. Allocated memory is still 77.6MB. Free memory was 51.6MB in the beginning and 34.0MB in the end (delta: 17.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-08-29 01:10:36,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.98ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 34.0MB in the beginning and 66.1MB in the end (delta: -32.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-08-29 01:10:36,398 INFO L158 Benchmark]: Boogie Preprocessor took 75.39ms. Allocated memory is still 94.4MB. Free memory was 66.1MB in the beginning and 62.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 01:10:36,399 INFO L158 Benchmark]: RCFGBuilder took 1000.47ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 37.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-29 01:10:36,399 INFO L158 Benchmark]: TraceAbstraction took 247338.14ms. Allocated memory was 94.4MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 37.2MB in the beginning and 6.1GB in the end (delta: -6.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-08-29 01:10:36,400 INFO L158 Benchmark]: Witness Printer took 65.24ms. Allocated memory is still 7.8GB. Free memory was 6.1GB in the beginning and 6.1GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 01:10:36,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.58ms. Allocated memory is still 77.6MB. Free memory was 51.6MB in the beginning and 34.0MB in the end (delta: 17.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.98ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 34.0MB in the beginning and 66.1MB in the end (delta: -32.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.39ms. Allocated memory is still 94.4MB. Free memory was 66.1MB in the beginning and 62.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.47ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 37.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 247338.14ms. Allocated memory was 94.4MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 37.2MB in the beginning and 6.1GB in the end (delta: -6.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 65.24ms. Allocated memory is still 7.8GB. Free memory was 6.1GB in the beginning and 6.1GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.6s, 229 PlacesBefore, 86 PlacesAfterwards, 228 TransitionsBefore, 83 TransitionsAfterwards, 6112 CoEnabledTransitionPairs, 8 FixpointIterations, 106 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 21 ConcurrentYvCompositions, 2 ChoiceCompositions, 192 TotalNumberOfCompositions, 32834 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8221, independent: 7096, independent conditional: 0, independent unconditional: 7096, dependent: 1125, dependent conditional: 0, dependent unconditional: 1125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2968, independent: 2881, independent conditional: 0, independent unconditional: 2881, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8221, independent: 4215, independent conditional: 0, independent unconditional: 4215, dependent: 1038, dependent conditional: 0, dependent unconditional: 1038, unknown: 2968, unknown conditional: 0, unknown unconditional: 2968] , Statistics on independence cache: Total cache size (in pairs): 239, Positive cache size: 170, Positive conditional cache size: 0, Positive unconditional cache size: 170, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 244 locations, 25 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 247.2s, OverallIterations: 36, TraceHistogramMax: 1, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 193.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 38.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18005 SdHoareTripleChecker+Valid, 49.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14396 mSDsluCounter, 12147 SdHoareTripleChecker+Invalid, 43.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11508 mSDsCounter, 4992 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63948 IncrementalHoareTripleChecker+Invalid, 68940 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4992 mSolverCounterUnsat, 639 mSDtfsCounter, 63948 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 549 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 540 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1229 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44245occurred in iteration=28, InterpolantAutomatonStates: 391, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 584 NumberOfCodeBlocks, 584 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 548 ConstructedInterpolants, 0 QuantifiedInterpolants, 6712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 01:10:36,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE