./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-array-int-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-array-int-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b78a1de0122078b80177387d59eedcdf8d73ccef913955b4bda0200e53e1d3da --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:21:02,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:21:02,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:21:02,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:21:02,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:21:02,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:21:02,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:21:02,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:21:02,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:21:02,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:21:02,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:21:02,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:21:02,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:21:02,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:21:02,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:21:02,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:21:02,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:21:02,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:21:02,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:21:02,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:21:02,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:21:02,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:21:02,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:21:02,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:21:02,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:21:02,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:21:02,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:21:02,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:21:02,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:21:02,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:21:02,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:21:02,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:21:02,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:21:02,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:21:02,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:21:02,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:21:02,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:21:02,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:21:02,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:21:02,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:21:02,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:21:02,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:21:02,909 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:21:02,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:21:02,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:21:02,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:21:02,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:21:02,912 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:21:02,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:21:02,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:21:02,914 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:21:02,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:21:02,915 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:21:02,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:21:02,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:21:02,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:21:02,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:21:02,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:21:02,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:21:02,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:21:02,916 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:21:02,917 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:21:02,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:21:02,917 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:21:02,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:21:02,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:21:02,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:21:02,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:21:02,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:21:02,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:21:02,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:21:02,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:21:02,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:21:02,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:21:02,919 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:21:02,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:21:02,920 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:21:02,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:21:02,920 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:21:02,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b78a1de0122078b80177387d59eedcdf8d73ccef913955b4bda0200e53e1d3da Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:21:03,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:21:03,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:21:03,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:21:03,272 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:21:03,272 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:21:03,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-symm.wvr.c [2023-08-29 03:21:04,422 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:21:04,620 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:21:04,620 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-symm.wvr.c [2023-08-29 03:21:04,628 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41adc26a3/df8f201c5cd54e57a3e262dc52d93df0/FLAGb4d098e3f [2023-08-29 03:21:04,662 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41adc26a3/df8f201c5cd54e57a3e262dc52d93df0 [2023-08-29 03:21:04,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:21:04,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:21:04,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:21:04,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:21:04,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:21:04,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:04,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a351beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04, skipping insertion in model container [2023-08-29 03:21:04,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:04,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:21:04,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:21:04,902 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-symm.wvr.c[2482,2495] [2023-08-29 03:21:04,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:21:04,927 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:21:04,964 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-symm.wvr.c[2482,2495] [2023-08-29 03:21:04,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:21:04,997 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:21:04,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04 WrapperNode [2023-08-29 03:21:04,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:21:04,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:21:05,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:21:05,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:21:05,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:05,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:05,069 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 368 [2023-08-29 03:21:05,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:21:05,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:21:05,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:21:05,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:21:05,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:05,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:05,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:05,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:05,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:05,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:05,132 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:05,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:05,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:21:05,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:21:05,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:21:05,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:21:05,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (1/1) ... [2023-08-29 03:21:05,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:21:05,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:21:05,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:21:05,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:21:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:21:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:21:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:21:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:21:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:21:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:21:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:21:05,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:21:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:21:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:21:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:21:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:21:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:21:05,208 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:21:05,314 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:21:05,316 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:21:05,879 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:21:05,893 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:21:05,894 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 03:21:05,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:21:05 BoogieIcfgContainer [2023-08-29 03:21:05,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:21:05,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:21:05,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:21:05,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:21:05,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:21:04" (1/3) ... [2023-08-29 03:21:05,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb57bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:21:05, skipping insertion in model container [2023-08-29 03:21:05,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:04" (2/3) ... [2023-08-29 03:21:05,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb57bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:21:05, skipping insertion in model container [2023-08-29 03:21:05,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:21:05" (3/3) ... [2023-08-29 03:21:05,905 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-symm.wvr.c [2023-08-29 03:21:05,921 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:21:05,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:21:05,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-08-29 03:21:05,928 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:21:06,042 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:21:06,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 425 places, 444 transitions, 904 flow [2023-08-29 03:21:06,282 INFO L130 PetriNetUnfolder]: 26/442 cut-off events. [2023-08-29 03:21:06,283 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:21:06,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 442 events. 26/442 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 904 event pairs, 0 based on Foata normal form. 0/372 useless extension candidates. Maximal degree in co-relation 256. Up to 3 conditions per place. [2023-08-29 03:21:06,294 INFO L82 GeneralOperation]: Start removeDead. Operand has 425 places, 444 transitions, 904 flow [2023-08-29 03:21:06,305 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 407 places, 424 transitions, 860 flow [2023-08-29 03:21:06,309 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:21:06,321 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 407 places, 424 transitions, 860 flow [2023-08-29 03:21:06,325 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 407 places, 424 transitions, 860 flow [2023-08-29 03:21:06,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 407 places, 424 transitions, 860 flow [2023-08-29 03:21:06,413 INFO L130 PetriNetUnfolder]: 24/424 cut-off events. [2023-08-29 03:21:06,414 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:21:06,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 424 events. 24/424 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 860 event pairs, 0 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 256. Up to 3 conditions per place. [2023-08-29 03:21:06,433 INFO L119 LiptonReduction]: Number of co-enabled transitions 30456 [2023-08-29 03:21:14,576 INFO L134 LiptonReduction]: Checked pairs total: 161887 [2023-08-29 03:21:14,577 INFO L136 LiptonReduction]: Total number of compositions: 381 [2023-08-29 03:21:14,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:21:14,595 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;@75fa9580, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:21:14,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2023-08-29 03:21:14,596 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:21:14,597 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:21:14,597 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:14,597 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:21:14,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:14,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:14,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1612, now seen corresponding path program 1 times [2023-08-29 03:21:14,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:14,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436795471] [2023-08-29 03:21:14,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:14,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:14,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:14,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436795471] [2023-08-29 03:21:14,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436795471] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:14,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:14,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:21:14,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789270207] [2023-08-29 03:21:14,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:14,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:21:14,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:14,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:21:14,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:21:14,825 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 825 [2023-08-29 03:21:14,831 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 150 transitions, 312 flow. Second operand has 2 states, 2 states have (on average 424.5) internal successors, (849), 2 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:14,831 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:14,832 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 825 [2023-08-29 03:21:14,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:15,228 INFO L130 PetriNetUnfolder]: 527/2232 cut-off events. [2023-08-29 03:21:15,229 INFO L131 PetriNetUnfolder]: For 47/59 co-relation queries the response was YES. [2023-08-29 03:21:15,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3100 conditions, 2232 events. 527/2232 cut-off events. For 47/59 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 16763 event pairs, 375 based on Foata normal form. 148/1973 useless extension candidates. Maximal degree in co-relation 2867. Up to 830 conditions per place. [2023-08-29 03:21:15,246 INFO L137 encePairwiseOnDemand]: 804/825 looper letters, 38 selfloop transitions, 0 changer transitions 1/129 dead transitions. [2023-08-29 03:21:15,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 129 transitions, 348 flow [2023-08-29 03:21:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:21:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:21:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 908 transitions. [2023-08-29 03:21:15,265 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5503030303030303 [2023-08-29 03:21:15,266 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 908 transitions. [2023-08-29 03:21:15,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 908 transitions. [2023-08-29 03:21:15,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:15,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 908 transitions. [2023-08-29 03:21:15,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 454.0) internal successors, (908), 2 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:15,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 825.0) internal successors, (2475), 3 states have internal predecessors, (2475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:15,288 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 825.0) internal successors, (2475), 3 states have internal predecessors, (2475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:15,290 INFO L175 Difference]: Start difference. First operand has 146 places, 150 transitions, 312 flow. Second operand 2 states and 908 transitions. [2023-08-29 03:21:15,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 129 transitions, 348 flow [2023-08-29 03:21:15,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 129 transitions, 340 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:21:15,298 INFO L231 Difference]: Finished difference. Result has 125 places, 128 transitions, 259 flow [2023-08-29 03:21:15,300 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=259, PETRI_PLACES=125, PETRI_TRANSITIONS=128} [2023-08-29 03:21:15,304 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -21 predicate places. [2023-08-29 03:21:15,304 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 128 transitions, 259 flow [2023-08-29 03:21:15,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 424.5) internal successors, (849), 2 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:15,305 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:15,305 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 03:21:15,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:21:15,308 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:15,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:15,318 INFO L85 PathProgramCache]: Analyzing trace with hash 771976594, now seen corresponding path program 1 times [2023-08-29 03:21:15,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:15,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125739317] [2023-08-29 03:21:15,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:15,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:15,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:15,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:15,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125739317] [2023-08-29 03:21:15,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125739317] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:15,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:15,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:15,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426421255] [2023-08-29 03:21:15,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:15,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:15,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:15,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:15,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:15,561 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 825 [2023-08-29 03:21:15,563 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 128 transitions, 259 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:15,563 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:15,563 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 825 [2023-08-29 03:21:15,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:15,833 INFO L130 PetriNetUnfolder]: 701/2688 cut-off events. [2023-08-29 03:21:15,833 INFO L131 PetriNetUnfolder]: For 13/41 co-relation queries the response was YES. [2023-08-29 03:21:15,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3813 conditions, 2688 events. 701/2688 cut-off events. For 13/41 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 20228 event pairs, 525 based on Foata normal form. 0/2237 useless extension candidates. Maximal degree in co-relation 3810. Up to 1110 conditions per place. [2023-08-29 03:21:15,847 INFO L137 encePairwiseOnDemand]: 820/825 looper letters, 41 selfloop transitions, 1 changer transitions 0/124 dead transitions. [2023-08-29 03:21:15,847 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 124 transitions, 335 flow [2023-08-29 03:21:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1270 transitions. [2023-08-29 03:21:15,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5131313131313131 [2023-08-29 03:21:15,852 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1270 transitions. [2023-08-29 03:21:15,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1270 transitions. [2023-08-29 03:21:15,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:15,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1270 transitions. [2023-08-29 03:21:15,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:15,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:15,862 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:15,862 INFO L175 Difference]: Start difference. First operand has 125 places, 128 transitions, 259 flow. Second operand 3 states and 1270 transitions. [2023-08-29 03:21:15,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 124 transitions, 335 flow [2023-08-29 03:21:15,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 124 transitions, 335 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:21:15,867 INFO L231 Difference]: Finished difference. Result has 122 places, 124 transitions, 253 flow [2023-08-29 03:21:15,867 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=122, PETRI_TRANSITIONS=124} [2023-08-29 03:21:15,868 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -24 predicate places. [2023-08-29 03:21:15,868 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 124 transitions, 253 flow [2023-08-29 03:21:15,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:15,869 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:15,869 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:15,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:21:15,870 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:15,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:15,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1155150664, now seen corresponding path program 1 times [2023-08-29 03:21:15,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:15,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101726991] [2023-08-29 03:21:15,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:15,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:15,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:15,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:15,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101726991] [2023-08-29 03:21:15,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101726991] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:15,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:15,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:15,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633742007] [2023-08-29 03:21:15,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:15,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:15,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:15,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:15,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:15,993 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 825 [2023-08-29 03:21:15,995 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 124 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:15,995 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:15,995 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 825 [2023-08-29 03:21:15,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:16,248 INFO L130 PetriNetUnfolder]: 701/2665 cut-off events. [2023-08-29 03:21:16,248 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-08-29 03:21:16,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3792 conditions, 2665 events. 701/2665 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 20288 event pairs, 525 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 3788. Up to 1108 conditions per place. [2023-08-29 03:21:16,261 INFO L137 encePairwiseOnDemand]: 820/825 looper letters, 41 selfloop transitions, 1 changer transitions 0/120 dead transitions. [2023-08-29 03:21:16,261 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 120 transitions, 329 flow [2023-08-29 03:21:16,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:16,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1270 transitions. [2023-08-29 03:21:16,265 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5131313131313131 [2023-08-29 03:21:16,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1270 transitions. [2023-08-29 03:21:16,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1270 transitions. [2023-08-29 03:21:16,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:16,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1270 transitions. [2023-08-29 03:21:16,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:16,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:16,273 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:16,274 INFO L175 Difference]: Start difference. First operand has 122 places, 124 transitions, 253 flow. Second operand 3 states and 1270 transitions. [2023-08-29 03:21:16,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 120 transitions, 329 flow [2023-08-29 03:21:16,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 120 transitions, 328 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:21:16,276 INFO L231 Difference]: Finished difference. Result has 119 places, 120 transitions, 246 flow [2023-08-29 03:21:16,276 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=119, PETRI_TRANSITIONS=120} [2023-08-29 03:21:16,277 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -27 predicate places. [2023-08-29 03:21:16,277 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 120 transitions, 246 flow [2023-08-29 03:21:16,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:16,278 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:16,278 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:16,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:21:16,279 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:16,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:16,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1575586961, now seen corresponding path program 1 times [2023-08-29 03:21:16,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:16,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314981023] [2023-08-29 03:21:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:16,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:16,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:16,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314981023] [2023-08-29 03:21:16,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314981023] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:16,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:16,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:21:16,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56947235] [2023-08-29 03:21:16,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:16,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:21:16,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:16,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:21:16,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:21:17,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 825 [2023-08-29 03:21:17,107 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 120 transitions, 246 flow. Second operand has 6 states, 6 states have (on average 408.8333333333333) internal successors, (2453), 6 states have internal predecessors, (2453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:17,107 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:17,107 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 825 [2023-08-29 03:21:17,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:17,675 INFO L130 PetriNetUnfolder]: 1719/3800 cut-off events. [2023-08-29 03:21:17,675 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:21:17,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6340 conditions, 3800 events. 1719/3800 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 26491 event pairs, 120 based on Foata normal form. 0/3062 useless extension candidates. Maximal degree in co-relation 6336. Up to 908 conditions per place. [2023-08-29 03:21:17,696 INFO L137 encePairwiseOnDemand]: 820/825 looper letters, 146 selfloop transitions, 4 changer transitions 0/227 dead transitions. [2023-08-29 03:21:17,697 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 227 transitions, 760 flow [2023-08-29 03:21:17,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:21:17,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:21:17,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2593 transitions. [2023-08-29 03:21:17,703 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5238383838383839 [2023-08-29 03:21:17,703 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2593 transitions. [2023-08-29 03:21:17,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2593 transitions. [2023-08-29 03:21:17,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:17,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2593 transitions. [2023-08-29 03:21:17,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 432.1666666666667) internal successors, (2593), 6 states have internal predecessors, (2593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:17,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:17,721 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:17,721 INFO L175 Difference]: Start difference. First operand has 119 places, 120 transitions, 246 flow. Second operand 6 states and 2593 transitions. [2023-08-29 03:21:17,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 227 transitions, 760 flow [2023-08-29 03:21:17,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 227 transitions, 759 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:21:17,725 INFO L231 Difference]: Finished difference. Result has 122 places, 119 transitions, 251 flow [2023-08-29 03:21:17,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=251, PETRI_PLACES=122, PETRI_TRANSITIONS=119} [2023-08-29 03:21:17,726 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -24 predicate places. [2023-08-29 03:21:17,726 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 119 transitions, 251 flow [2023-08-29 03:21:17,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 408.8333333333333) internal successors, (2453), 6 states have internal predecessors, (2453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:17,728 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:17,728 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:17,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:21:17,728 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:17,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:17,729 INFO L85 PathProgramCache]: Analyzing trace with hash -957146643, now seen corresponding path program 1 times [2023-08-29 03:21:17,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:17,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46415945] [2023-08-29 03:21:17,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:17,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:17,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:17,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46415945] [2023-08-29 03:21:17,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46415945] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:17,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:17,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:21:17,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010939288] [2023-08-29 03:21:17,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:17,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:17,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:17,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:17,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:17,764 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 825 [2023-08-29 03:21:17,766 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 119 transitions, 251 flow. Second operand has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:17,766 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:17,766 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 825 [2023-08-29 03:21:17,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:18,047 INFO L130 PetriNetUnfolder]: 575/2354 cut-off events. [2023-08-29 03:21:18,048 INFO L131 PetriNetUnfolder]: For 148/148 co-relation queries the response was YES. [2023-08-29 03:21:18,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3435 conditions, 2354 events. 575/2354 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 17727 event pairs, 375 based on Foata normal form. 0/1950 useless extension candidates. Maximal degree in co-relation 3431. Up to 829 conditions per place. [2023-08-29 03:21:18,063 INFO L137 encePairwiseOnDemand]: 822/825 looper letters, 56 selfloop transitions, 2 changer transitions 0/139 dead transitions. [2023-08-29 03:21:18,063 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 139 transitions, 410 flow [2023-08-29 03:21:18,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:18,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1307 transitions. [2023-08-29 03:21:18,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.528080808080808 [2023-08-29 03:21:18,067 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1307 transitions. [2023-08-29 03:21:18,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1307 transitions. [2023-08-29 03:21:18,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:18,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1307 transitions. [2023-08-29 03:21:18,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 435.6666666666667) internal successors, (1307), 3 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,077 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,077 INFO L175 Difference]: Start difference. First operand has 122 places, 119 transitions, 251 flow. Second operand 3 states and 1307 transitions. [2023-08-29 03:21:18,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 139 transitions, 410 flow [2023-08-29 03:21:18,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 139 transitions, 401 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:21:18,081 INFO L231 Difference]: Finished difference. Result has 121 places, 120 transitions, 256 flow [2023-08-29 03:21:18,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=121, PETRI_TRANSITIONS=120} [2023-08-29 03:21:18,082 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -25 predicate places. [2023-08-29 03:21:18,082 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 120 transitions, 256 flow [2023-08-29 03:21:18,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,083 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:18,083 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:18,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:21:18,084 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:18,084 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:18,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1955758798, now seen corresponding path program 1 times [2023-08-29 03:21:18,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:18,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803611016] [2023-08-29 03:21:18,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:18,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:18,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:18,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803611016] [2023-08-29 03:21:18,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803611016] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:18,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:18,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:21:18,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196432224] [2023-08-29 03:21:18,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:18,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:18,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:18,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:18,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:18,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 825 [2023-08-29 03:21:18,123 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 120 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,124 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:18,124 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 825 [2023-08-29 03:21:18,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:18,392 INFO L130 PetriNetUnfolder]: 611/2418 cut-off events. [2023-08-29 03:21:18,392 INFO L131 PetriNetUnfolder]: For 167/175 co-relation queries the response was YES. [2023-08-29 03:21:18,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3566 conditions, 2418 events. 611/2418 cut-off events. For 167/175 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 18114 event pairs, 417 based on Foata normal form. 0/2037 useless extension candidates. Maximal degree in co-relation 3561. Up to 907 conditions per place. [2023-08-29 03:21:18,403 INFO L137 encePairwiseOnDemand]: 822/825 looper letters, 53 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2023-08-29 03:21:18,403 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 136 transitions, 409 flow [2023-08-29 03:21:18,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:18,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1302 transitions. [2023-08-29 03:21:18,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.526060606060606 [2023-08-29 03:21:18,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1302 transitions. [2023-08-29 03:21:18,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1302 transitions. [2023-08-29 03:21:18,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:18,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1302 transitions. [2023-08-29 03:21:18,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 434.0) internal successors, (1302), 3 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,416 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,416 INFO L175 Difference]: Start difference. First operand has 121 places, 120 transitions, 256 flow. Second operand 3 states and 1302 transitions. [2023-08-29 03:21:18,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 136 transitions, 409 flow [2023-08-29 03:21:18,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 136 transitions, 405 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:21:18,419 INFO L231 Difference]: Finished difference. Result has 123 places, 121 transitions, 266 flow [2023-08-29 03:21:18,419 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=266, PETRI_PLACES=123, PETRI_TRANSITIONS=121} [2023-08-29 03:21:18,419 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -23 predicate places. [2023-08-29 03:21:18,420 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 121 transitions, 266 flow [2023-08-29 03:21:18,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.3333333333333) internal successors, (1258), 3 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,420 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:18,420 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:18,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 03:21:18,421 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:18,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:18,421 INFO L85 PathProgramCache]: Analyzing trace with hash -706272512, now seen corresponding path program 1 times [2023-08-29 03:21:18,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:18,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814004017] [2023-08-29 03:21:18,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:18,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:18,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:18,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814004017] [2023-08-29 03:21:18,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814004017] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:18,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:18,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:18,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427468006] [2023-08-29 03:21:18,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:18,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:18,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:18,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:18,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:18,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 825 [2023-08-29 03:21:18,461 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 121 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,461 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:18,461 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 825 [2023-08-29 03:21:18,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:18,756 INFO L130 PetriNetUnfolder]: 946/2978 cut-off events. [2023-08-29 03:21:18,756 INFO L131 PetriNetUnfolder]: For 305/313 co-relation queries the response was YES. [2023-08-29 03:21:18,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4923 conditions, 2978 events. 946/2978 cut-off events. For 305/313 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 22135 event pairs, 216 based on Foata normal form. 0/2600 useless extension candidates. Maximal degree in co-relation 4917. Up to 1196 conditions per place. [2023-08-29 03:21:18,771 INFO L137 encePairwiseOnDemand]: 819/825 looper letters, 62 selfloop transitions, 2 changer transitions 0/138 dead transitions. [2023-08-29 03:21:18,771 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 138 transitions, 448 flow [2023-08-29 03:21:18,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:18,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:18,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1297 transitions. [2023-08-29 03:21:18,776 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5240404040404041 [2023-08-29 03:21:18,776 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1297 transitions. [2023-08-29 03:21:18,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1297 transitions. [2023-08-29 03:21:18,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:18,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1297 transitions. [2023-08-29 03:21:18,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,783 INFO L175 Difference]: Start difference. First operand has 123 places, 121 transitions, 266 flow. Second operand 3 states and 1297 transitions. [2023-08-29 03:21:18,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 138 transitions, 448 flow [2023-08-29 03:21:18,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 138 transitions, 444 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:21:18,788 INFO L231 Difference]: Finished difference. Result has 121 places, 119 transitions, 274 flow [2023-08-29 03:21:18,788 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=121, PETRI_TRANSITIONS=119} [2023-08-29 03:21:18,789 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -25 predicate places. [2023-08-29 03:21:18,789 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 119 transitions, 274 flow [2023-08-29 03:21:18,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:18,790 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:18,790 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:18,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 03:21:18,791 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:18,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:18,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1378399268, now seen corresponding path program 1 times [2023-08-29 03:21:18,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:18,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688277355] [2023-08-29 03:21:18,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:18,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:18,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:18,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688277355] [2023-08-29 03:21:18,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688277355] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:18,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:18,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 03:21:18,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260130488] [2023-08-29 03:21:18,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:18,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 03:21:18,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:18,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 03:21:18,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 03:21:19,036 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 825 [2023-08-29 03:21:19,038 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 119 transitions, 274 flow. Second operand has 5 states, 5 states have (on average 413.8) internal successors, (2069), 5 states have internal predecessors, (2069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:19,038 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:19,038 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 825 [2023-08-29 03:21:19,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:19,427 INFO L130 PetriNetUnfolder]: 1148/3687 cut-off events. [2023-08-29 03:21:19,427 INFO L131 PetriNetUnfolder]: For 548/554 co-relation queries the response was YES. [2023-08-29 03:21:19,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6271 conditions, 3687 events. 1148/3687 cut-off events. For 548/554 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 29917 event pairs, 731 based on Foata normal form. 42/3386 useless extension candidates. Maximal degree in co-relation 6265. Up to 1270 conditions per place. [2023-08-29 03:21:19,445 INFO L137 encePairwiseOnDemand]: 820/825 looper letters, 91 selfloop transitions, 4 changer transitions 0/172 dead transitions. [2023-08-29 03:21:19,445 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 172 transitions, 609 flow [2023-08-29 03:21:19,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 03:21:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 03:21:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2148 transitions. [2023-08-29 03:21:19,451 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5207272727272727 [2023-08-29 03:21:19,451 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2148 transitions. [2023-08-29 03:21:19,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2148 transitions. [2023-08-29 03:21:19,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:19,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2148 transitions. [2023-08-29 03:21:19,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 429.6) internal successors, (2148), 5 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:19,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 825.0) internal successors, (4950), 6 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:19,462 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 825.0) internal successors, (4950), 6 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:19,462 INFO L175 Difference]: Start difference. First operand has 121 places, 119 transitions, 274 flow. Second operand 5 states and 2148 transitions. [2023-08-29 03:21:19,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 172 transitions, 609 flow [2023-08-29 03:21:19,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 172 transitions, 609 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:21:19,467 INFO L231 Difference]: Finished difference. Result has 128 places, 122 transitions, 303 flow [2023-08-29 03:21:19,467 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=303, PETRI_PLACES=128, PETRI_TRANSITIONS=122} [2023-08-29 03:21:19,468 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -18 predicate places. [2023-08-29 03:21:19,468 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 122 transitions, 303 flow [2023-08-29 03:21:19,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 413.8) internal successors, (2069), 5 states have internal predecessors, (2069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:19,468 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:19,469 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] [2023-08-29 03:21:19,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 03:21:19,469 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:19,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:19,469 INFO L85 PathProgramCache]: Analyzing trace with hash -891108046, now seen corresponding path program 1 times [2023-08-29 03:21:19,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:19,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807895975] [2023-08-29 03:21:19,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:19,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:19,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:19,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807895975] [2023-08-29 03:21:19,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807895975] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:19,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:19,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 03:21:19,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584149351] [2023-08-29 03:21:19,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:19,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 03:21:19,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:19,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 03:21:19,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 03:21:19,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 412 out of 825 [2023-08-29 03:21:19,730 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 122 transitions, 303 flow. Second operand has 5 states, 5 states have (on average 414.4) internal successors, (2072), 5 states have internal predecessors, (2072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:19,730 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:19,730 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 412 of 825 [2023-08-29 03:21:19,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:20,106 INFO L130 PetriNetUnfolder]: 875/3012 cut-off events. [2023-08-29 03:21:20,106 INFO L131 PetriNetUnfolder]: For 552/563 co-relation queries the response was YES. [2023-08-29 03:21:20,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5103 conditions, 3012 events. 875/3012 cut-off events. For 552/563 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 22743 event pairs, 586 based on Foata normal form. 12/2740 useless extension candidates. Maximal degree in co-relation 5093. Up to 1270 conditions per place. [2023-08-29 03:21:20,125 INFO L137 encePairwiseOnDemand]: 820/825 looper letters, 63 selfloop transitions, 4 changer transitions 0/144 dead transitions. [2023-08-29 03:21:20,126 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 144 transitions, 501 flow [2023-08-29 03:21:20,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 03:21:20,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 03:21:20,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2124 transitions. [2023-08-29 03:21:20,132 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5149090909090909 [2023-08-29 03:21:20,132 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2124 transitions. [2023-08-29 03:21:20,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2124 transitions. [2023-08-29 03:21:20,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:20,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2124 transitions. [2023-08-29 03:21:20,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 424.8) internal successors, (2124), 5 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:20,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 825.0) internal successors, (4950), 6 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:20,144 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 825.0) internal successors, (4950), 6 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:20,144 INFO L175 Difference]: Start difference. First operand has 128 places, 122 transitions, 303 flow. Second operand 5 states and 2124 transitions. [2023-08-29 03:21:20,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 144 transitions, 501 flow [2023-08-29 03:21:20,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 144 transitions, 497 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 03:21:20,149 INFO L231 Difference]: Finished difference. Result has 133 places, 123 transitions, 316 flow [2023-08-29 03:21:20,150 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=316, PETRI_PLACES=133, PETRI_TRANSITIONS=123} [2023-08-29 03:21:20,150 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -13 predicate places. [2023-08-29 03:21:20,151 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 123 transitions, 316 flow [2023-08-29 03:21:20,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 414.4) internal successors, (2072), 5 states have internal predecessors, (2072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:20,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:20,152 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] [2023-08-29 03:21:20,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 03:21:20,152 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:20,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:20,153 INFO L85 PathProgramCache]: Analyzing trace with hash 183372249, now seen corresponding path program 1 times [2023-08-29 03:21:20,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:20,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436691539] [2023-08-29 03:21:20,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:20,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:21:20,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:20,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436691539] [2023-08-29 03:21:20,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436691539] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:20,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:20,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 03:21:20,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61016184] [2023-08-29 03:21:20,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:20,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:21:20,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:20,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:21:20,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:21:20,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 825 [2023-08-29 03:21:20,504 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 123 transitions, 316 flow. Second operand has 6 states, 6 states have (on average 405.6666666666667) internal successors, (2434), 6 states have internal predecessors, (2434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:20,504 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:20,504 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 825 [2023-08-29 03:21:20,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:21,040 INFO L130 PetriNetUnfolder]: 1470/4386 cut-off events. [2023-08-29 03:21:21,041 INFO L131 PetriNetUnfolder]: For 1096/1096 co-relation queries the response was YES. [2023-08-29 03:21:21,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8125 conditions, 4386 events. 1470/4386 cut-off events. For 1096/1096 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 35040 event pairs, 582 based on Foata normal form. 42/4088 useless extension candidates. Maximal degree in co-relation 8113. Up to 1265 conditions per place. [2023-08-29 03:21:21,071 INFO L137 encePairwiseOnDemand]: 817/825 looper letters, 135 selfloop transitions, 12 changer transitions 0/224 dead transitions. [2023-08-29 03:21:21,071 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 224 transitions, 924 flow [2023-08-29 03:21:21,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:21:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:21:21,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2955 transitions. [2023-08-29 03:21:21,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5116883116883116 [2023-08-29 03:21:21,079 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2955 transitions. [2023-08-29 03:21:21,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2955 transitions. [2023-08-29 03:21:21,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:21,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2955 transitions. [2023-08-29 03:21:21,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 422.14285714285717) internal successors, (2955), 7 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:21,093 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 825.0) internal successors, (6600), 8 states have internal predecessors, (6600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:21,094 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 825.0) internal successors, (6600), 8 states have internal predecessors, (6600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:21,094 INFO L175 Difference]: Start difference. First operand has 133 places, 123 transitions, 316 flow. Second operand 7 states and 2955 transitions. [2023-08-29 03:21:21,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 224 transitions, 924 flow [2023-08-29 03:21:21,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 224 transitions, 919 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 03:21:21,103 INFO L231 Difference]: Finished difference. Result has 141 places, 131 transitions, 396 flow [2023-08-29 03:21:21,104 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=396, PETRI_PLACES=141, PETRI_TRANSITIONS=131} [2023-08-29 03:21:21,105 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2023-08-29 03:21:21,105 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 131 transitions, 396 flow [2023-08-29 03:21:21,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 405.6666666666667) internal successors, (2434), 6 states have internal predecessors, (2434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:21,106 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:21,107 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:21,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 03:21:21,107 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:21,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:21,107 INFO L85 PathProgramCache]: Analyzing trace with hash -984433121, now seen corresponding path program 1 times [2023-08-29 03:21:21,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:21,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082770919] [2023-08-29 03:21:21,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:21,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:21:21,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:21,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082770919] [2023-08-29 03:21:21,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082770919] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:21,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:21,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:21:21,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199881699] [2023-08-29 03:21:21,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:21,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:21:21,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:21,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:21:21,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:21:21,847 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 825 [2023-08-29 03:21:21,849 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 131 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 402.6666666666667) internal successors, (2416), 6 states have internal predecessors, (2416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:21,849 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:21,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 825 [2023-08-29 03:21:21,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:22,527 INFO L130 PetriNetUnfolder]: 2033/5474 cut-off events. [2023-08-29 03:21:22,528 INFO L131 PetriNetUnfolder]: For 3034/3056 co-relation queries the response was YES. [2023-08-29 03:21:22,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11166 conditions, 5474 events. 2033/5474 cut-off events. For 3034/3056 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 43307 event pairs, 1039 based on Foata normal form. 0/5073 useless extension candidates. Maximal degree in co-relation 11150. Up to 2221 conditions per place. [2023-08-29 03:21:22,560 INFO L137 encePairwiseOnDemand]: 818/825 looper letters, 141 selfloop transitions, 5 changer transitions 0/211 dead transitions. [2023-08-29 03:21:22,560 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 211 transitions, 909 flow [2023-08-29 03:21:22,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:21:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:21:22,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2528 transitions. [2023-08-29 03:21:22,567 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5107070707070707 [2023-08-29 03:21:22,567 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2528 transitions. [2023-08-29 03:21:22,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2528 transitions. [2023-08-29 03:21:22,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:22,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2528 transitions. [2023-08-29 03:21:22,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 421.3333333333333) internal successors, (2528), 6 states have internal predecessors, (2528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:22,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:22,581 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:22,581 INFO L175 Difference]: Start difference. First operand has 141 places, 131 transitions, 396 flow. Second operand 6 states and 2528 transitions. [2023-08-29 03:21:22,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 211 transitions, 909 flow [2023-08-29 03:21:22,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 211 transitions, 907 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-29 03:21:22,591 INFO L231 Difference]: Finished difference. Result has 144 places, 129 transitions, 400 flow [2023-08-29 03:21:22,591 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=400, PETRI_PLACES=144, PETRI_TRANSITIONS=129} [2023-08-29 03:21:22,592 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -2 predicate places. [2023-08-29 03:21:22,592 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 129 transitions, 400 flow [2023-08-29 03:21:22,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 402.6666666666667) internal successors, (2416), 6 states have internal predecessors, (2416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:22,593 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:22,593 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:22,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 03:21:22,593 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:22,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:22,594 INFO L85 PathProgramCache]: Analyzing trace with hash 717760029, now seen corresponding path program 1 times [2023-08-29 03:21:22,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:22,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743217519] [2023-08-29 03:21:22,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:22,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:21:22,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:22,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743217519] [2023-08-29 03:21:22,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743217519] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:22,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:22,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 03:21:22,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786658483] [2023-08-29 03:21:22,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:22,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:21:22,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:22,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:21:22,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:21:22,958 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 825 [2023-08-29 03:21:22,960 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 129 transitions, 400 flow. Second operand has 6 states, 6 states have (on average 406.1666666666667) internal successors, (2437), 6 states have internal predecessors, (2437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:22,960 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:22,960 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 825 [2023-08-29 03:21:22,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:23,457 INFO L130 PetriNetUnfolder]: 1176/3632 cut-off events. [2023-08-29 03:21:23,458 INFO L131 PetriNetUnfolder]: For 2087/2104 co-relation queries the response was YES. [2023-08-29 03:21:23,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7347 conditions, 3632 events. 1176/3632 cut-off events. For 2087/2104 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 27271 event pairs, 682 based on Foata normal form. 16/3406 useless extension candidates. Maximal degree in co-relation 7330. Up to 1398 conditions per place. [2023-08-29 03:21:23,482 INFO L137 encePairwiseOnDemand]: 817/825 looper letters, 97 selfloop transitions, 12 changer transitions 0/184 dead transitions. [2023-08-29 03:21:23,482 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 184 transitions, 867 flow [2023-08-29 03:21:23,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:21:23,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:21:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2920 transitions. [2023-08-29 03:21:23,490 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5056277056277056 [2023-08-29 03:21:23,490 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2920 transitions. [2023-08-29 03:21:23,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2920 transitions. [2023-08-29 03:21:23,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:23,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2920 transitions. [2023-08-29 03:21:23,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 417.14285714285717) internal successors, (2920), 7 states have internal predecessors, (2920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:23,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 825.0) internal successors, (6600), 8 states have internal predecessors, (6600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:23,503 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 825.0) internal successors, (6600), 8 states have internal predecessors, (6600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:23,503 INFO L175 Difference]: Start difference. First operand has 144 places, 129 transitions, 400 flow. Second operand 7 states and 2920 transitions. [2023-08-29 03:21:23,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 184 transitions, 867 flow [2023-08-29 03:21:23,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 184 transitions, 855 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:21:23,510 INFO L231 Difference]: Finished difference. Result has 148 places, 135 transitions, 461 flow [2023-08-29 03:21:23,511 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=461, PETRI_PLACES=148, PETRI_TRANSITIONS=135} [2023-08-29 03:21:23,512 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, 2 predicate places. [2023-08-29 03:21:23,512 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 135 transitions, 461 flow [2023-08-29 03:21:23,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 406.1666666666667) internal successors, (2437), 6 states have internal predecessors, (2437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:23,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:23,513 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:23,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 03:21:23,514 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:23,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:23,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1124468073, now seen corresponding path program 1 times [2023-08-29 03:21:23,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:23,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948673751] [2023-08-29 03:21:23,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:23,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:21:23,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:23,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948673751] [2023-08-29 03:21:23,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948673751] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:23,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:23,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:21:23,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51649973] [2023-08-29 03:21:23,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:23,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:21:23,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:23,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:21:23,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:21:24,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 825 [2023-08-29 03:21:24,245 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 135 transitions, 461 flow. Second operand has 6 states, 6 states have (on average 403.1666666666667) internal successors, (2419), 6 states have internal predecessors, (2419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:24,245 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:24,245 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 825 [2023-08-29 03:21:24,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:24,793 INFO L130 PetriNetUnfolder]: 1461/3790 cut-off events. [2023-08-29 03:21:24,793 INFO L131 PetriNetUnfolder]: For 3200/3228 co-relation queries the response was YES. [2023-08-29 03:21:24,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8570 conditions, 3790 events. 1461/3790 cut-off events. For 3200/3228 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 27961 event pairs, 688 based on Foata normal form. 0/3520 useless extension candidates. Maximal degree in co-relation 8550. Up to 1494 conditions per place. [2023-08-29 03:21:24,826 INFO L137 encePairwiseOnDemand]: 818/825 looper letters, 124 selfloop transitions, 5 changer transitions 0/193 dead transitions. [2023-08-29 03:21:24,827 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 193 transitions, 943 flow [2023-08-29 03:21:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:21:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:21:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2505 transitions. [2023-08-29 03:21:24,834 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5060606060606061 [2023-08-29 03:21:24,834 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2505 transitions. [2023-08-29 03:21:24,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2505 transitions. [2023-08-29 03:21:24,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:24,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2505 transitions. [2023-08-29 03:21:24,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 417.5) internal successors, (2505), 6 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:24,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:24,848 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:24,848 INFO L175 Difference]: Start difference. First operand has 148 places, 135 transitions, 461 flow. Second operand 6 states and 2505 transitions. [2023-08-29 03:21:24,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 193 transitions, 943 flow [2023-08-29 03:21:24,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 193 transitions, 939 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:21:24,860 INFO L231 Difference]: Finished difference. Result has 150 places, 133 transitions, 463 flow [2023-08-29 03:21:24,860 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=463, PETRI_PLACES=150, PETRI_TRANSITIONS=133} [2023-08-29 03:21:24,861 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, 4 predicate places. [2023-08-29 03:21:24,861 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 133 transitions, 463 flow [2023-08-29 03:21:24,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 403.1666666666667) internal successors, (2419), 6 states have internal predecessors, (2419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:24,862 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:24,862 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] [2023-08-29 03:21:24,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 03:21:24,862 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:24,863 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:24,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1147390047, now seen corresponding path program 1 times [2023-08-29 03:21:24,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:24,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659654106] [2023-08-29 03:21:24,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:24,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:21:24,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:24,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659654106] [2023-08-29 03:21:24,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659654106] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:24,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:24,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:24,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585465914] [2023-08-29 03:21:24,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:24,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:24,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:24,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:24,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:24,911 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 825 [2023-08-29 03:21:24,912 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 133 transitions, 463 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:24,913 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:24,913 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 825 [2023-08-29 03:21:24,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:25,387 INFO L130 PetriNetUnfolder]: 1570/4255 cut-off events. [2023-08-29 03:21:25,387 INFO L131 PetriNetUnfolder]: For 3203/3233 co-relation queries the response was YES. [2023-08-29 03:21:25,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9410 conditions, 4255 events. 1570/4255 cut-off events. For 3203/3233 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 31951 event pairs, 597 based on Foata normal form. 0/4097 useless extension candidates. Maximal degree in co-relation 9389. Up to 1582 conditions per place. [2023-08-29 03:21:25,411 INFO L137 encePairwiseOnDemand]: 819/825 looper letters, 89 selfloop transitions, 2 changer transitions 0/153 dead transitions. [2023-08-29 03:21:25,412 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 153 transitions, 737 flow [2023-08-29 03:21:25,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1304 transitions. [2023-08-29 03:21:25,415 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5268686868686868 [2023-08-29 03:21:25,416 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1304 transitions. [2023-08-29 03:21:25,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1304 transitions. [2023-08-29 03:21:25,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:25,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1304 transitions. [2023-08-29 03:21:25,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 434.6666666666667) internal successors, (1304), 3 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:25,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:25,422 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 825.0) internal successors, (3300), 4 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:25,423 INFO L175 Difference]: Start difference. First operand has 150 places, 133 transitions, 463 flow. Second operand 3 states and 1304 transitions. [2023-08-29 03:21:25,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 153 transitions, 737 flow [2023-08-29 03:21:25,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 153 transitions, 727 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:21:25,432 INFO L231 Difference]: Finished difference. Result has 144 places, 131 transitions, 459 flow [2023-08-29 03:21:25,433 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=144, PETRI_TRANSITIONS=131} [2023-08-29 03:21:25,433 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -2 predicate places. [2023-08-29 03:21:25,434 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 131 transitions, 459 flow [2023-08-29 03:21:25,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:25,434 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:25,434 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] [2023-08-29 03:21:25,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 03:21:25,435 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:25,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:25,435 INFO L85 PathProgramCache]: Analyzing trace with hash 309423741, now seen corresponding path program 1 times [2023-08-29 03:21:25,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:25,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332374056] [2023-08-29 03:21:25,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:25,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:25,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:25,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332374056] [2023-08-29 03:21:25,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332374056] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:25,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:25,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:21:25,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039961837] [2023-08-29 03:21:25,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:25,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:21:25,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:25,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:21:25,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:21:26,039 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 825 [2023-08-29 03:21:26,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 131 transitions, 459 flow. Second operand has 6 states, 6 states have (on average 409.8333333333333) internal successors, (2459), 6 states have internal predecessors, (2459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:26,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:26,042 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 825 [2023-08-29 03:21:26,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:26,578 INFO L130 PetriNetUnfolder]: 1370/3925 cut-off events. [2023-08-29 03:21:26,578 INFO L131 PetriNetUnfolder]: For 3283/3313 co-relation queries the response was YES. [2023-08-29 03:21:26,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8739 conditions, 3925 events. 1370/3925 cut-off events. For 3283/3313 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 29613 event pairs, 881 based on Foata normal form. 0/3784 useless extension candidates. Maximal degree in co-relation 8718. Up to 1900 conditions per place. [2023-08-29 03:21:26,607 INFO L137 encePairwiseOnDemand]: 820/825 looper letters, 92 selfloop transitions, 4 changer transitions 68/230 dead transitions. [2023-08-29 03:21:26,607 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 230 transitions, 1277 flow [2023-08-29 03:21:26,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:21:26,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:21:26,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2549 transitions. [2023-08-29 03:21:26,614 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5149494949494949 [2023-08-29 03:21:26,615 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2549 transitions. [2023-08-29 03:21:26,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2549 transitions. [2023-08-29 03:21:26,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:26,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2549 transitions. [2023-08-29 03:21:26,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 424.8333333333333) internal successors, (2549), 6 states have internal predecessors, (2549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:26,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:26,663 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:26,663 INFO L175 Difference]: Start difference. First operand has 144 places, 131 transitions, 459 flow. Second operand 6 states and 2549 transitions. [2023-08-29 03:21:26,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 230 transitions, 1277 flow [2023-08-29 03:21:26,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 230 transitions, 1277 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:21:26,675 INFO L231 Difference]: Finished difference. Result has 148 places, 114 transitions, 332 flow [2023-08-29 03:21:26,675 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=332, PETRI_PLACES=148, PETRI_TRANSITIONS=114} [2023-08-29 03:21:26,675 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, 2 predicate places. [2023-08-29 03:21:26,676 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 114 transitions, 332 flow [2023-08-29 03:21:26,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 409.8333333333333) internal successors, (2459), 6 states have internal predecessors, (2459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:26,676 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:26,677 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 03:21:26,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 03:21:26,677 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:26,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:26,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1342936344, now seen corresponding path program 1 times [2023-08-29 03:21:26,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:26,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978930351] [2023-08-29 03:21:26,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:26,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:26,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:21:26,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:26,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978930351] [2023-08-29 03:21:26,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978930351] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:26,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:26,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:21:26,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871978394] [2023-08-29 03:21:26,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:26,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:21:26,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:26,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:21:26,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:21:27,411 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 825 [2023-08-29 03:21:27,412 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 114 transitions, 332 flow. Second operand has 6 states, 6 states have (on average 403.1666666666667) internal successors, (2419), 6 states have internal predecessors, (2419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:27,412 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:27,412 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 825 [2023-08-29 03:21:27,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:27,760 INFO L130 PetriNetUnfolder]: 1153/3016 cut-off events. [2023-08-29 03:21:27,760 INFO L131 PetriNetUnfolder]: For 1804/1812 co-relation queries the response was YES. [2023-08-29 03:21:27,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6491 conditions, 3016 events. 1153/3016 cut-off events. For 1804/1812 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 21394 event pairs, 455 based on Foata normal form. 0/2918 useless extension candidates. Maximal degree in co-relation 6469. Up to 999 conditions per place. [2023-08-29 03:21:27,776 INFO L137 encePairwiseOnDemand]: 818/825 looper letters, 78 selfloop transitions, 5 changer transitions 32/172 dead transitions. [2023-08-29 03:21:27,776 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 172 transitions, 786 flow [2023-08-29 03:21:27,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:21:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:21:27,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2503 transitions. [2023-08-29 03:21:27,784 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5056565656565657 [2023-08-29 03:21:27,785 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2503 transitions. [2023-08-29 03:21:27,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2503 transitions. [2023-08-29 03:21:27,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:27,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2503 transitions. [2023-08-29 03:21:27,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 417.1666666666667) internal successors, (2503), 6 states have internal predecessors, (2503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:27,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:27,798 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:27,798 INFO L175 Difference]: Start difference. First operand has 148 places, 114 transitions, 332 flow. Second operand 6 states and 2503 transitions. [2023-08-29 03:21:27,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 172 transitions, 786 flow [2023-08-29 03:21:27,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 172 transitions, 669 flow, removed 37 selfloop flow, removed 18 redundant places. [2023-08-29 03:21:27,805 INFO L231 Difference]: Finished difference. Result has 123 places, 104 transitions, 273 flow [2023-08-29 03:21:27,805 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=273, PETRI_PLACES=123, PETRI_TRANSITIONS=104} [2023-08-29 03:21:27,806 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -23 predicate places. [2023-08-29 03:21:27,806 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 104 transitions, 273 flow [2023-08-29 03:21:27,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 403.1666666666667) internal successors, (2419), 6 states have internal predecessors, (2419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:27,807 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:27,807 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 03:21:27,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 03:21:27,808 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-29 03:21:27,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:27,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1356062779, now seen corresponding path program 1 times [2023-08-29 03:21:27,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:27,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291160947] [2023-08-29 03:21:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:28,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:21:28,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:28,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291160947] [2023-08-29 03:21:28,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291160947] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:28,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:28,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:21:28,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073499529] [2023-08-29 03:21:28,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:28,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:21:28,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:28,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:21:28,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:21:28,461 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 825 [2023-08-29 03:21:28,462 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 104 transitions, 273 flow. Second operand has 6 states, 6 states have (on average 402.6666666666667) internal successors, (2416), 6 states have internal predecessors, (2416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:28,462 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:28,462 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 825 [2023-08-29 03:21:28,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:28,798 INFO L130 PetriNetUnfolder]: 1168/3043 cut-off events. [2023-08-29 03:21:28,798 INFO L131 PetriNetUnfolder]: For 491/491 co-relation queries the response was YES. [2023-08-29 03:21:28,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5741 conditions, 3043 events. 1168/3043 cut-off events. For 491/491 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 20684 event pairs, 516 based on Foata normal form. 34/3028 useless extension candidates. Maximal degree in co-relation 5731. Up to 1064 conditions per place. [2023-08-29 03:21:28,806 INFO L137 encePairwiseOnDemand]: 818/825 looper letters, 0 selfloop transitions, 0 changer transitions 182/182 dead transitions. [2023-08-29 03:21:28,807 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 182 transitions, 745 flow [2023-08-29 03:21:28,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:21:28,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:21:28,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2521 transitions. [2023-08-29 03:21:28,818 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5092929292929292 [2023-08-29 03:21:28,818 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2521 transitions. [2023-08-29 03:21:28,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2521 transitions. [2023-08-29 03:21:28,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:28,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2521 transitions. [2023-08-29 03:21:28,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 420.1666666666667) internal successors, (2521), 6 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:28,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:28,827 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 825.0) internal successors, (5775), 7 states have internal predecessors, (5775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:28,827 INFO L175 Difference]: Start difference. First operand has 123 places, 104 transitions, 273 flow. Second operand 6 states and 2521 transitions. [2023-08-29 03:21:28,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 182 transitions, 745 flow [2023-08-29 03:21:28,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 182 transitions, 719 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:21:28,831 INFO L231 Difference]: Finished difference. Result has 114 places, 0 transitions, 0 flow [2023-08-29 03:21:28,832 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=825, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=114, PETRI_TRANSITIONS=0} [2023-08-29 03:21:28,832 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -32 predicate places. [2023-08-29 03:21:28,832 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 0 transitions, 0 flow [2023-08-29 03:21:28,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 402.6666666666667) internal successors, (2416), 6 states have internal predecessors, (2416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:28,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2023-08-29 03:21:28,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2023-08-29 03:21:28,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2023-08-29 03:21:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2023-08-29 03:21:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2023-08-29 03:21:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2023-08-29 03:21:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2023-08-29 03:21:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2023-08-29 03:21:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2023-08-29 03:21:28,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2023-08-29 03:21:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2023-08-29 03:21:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2023-08-29 03:21:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2023-08-29 03:21:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2023-08-29 03:21:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2023-08-29 03:21:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2023-08-29 03:21:28,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2023-08-29 03:21:28,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2023-08-29 03:21:28,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2023-08-29 03:21:28,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2023-08-29 03:21:28,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2023-08-29 03:21:28,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2023-08-29 03:21:28,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2023-08-29 03:21:28,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2023-08-29 03:21:28,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2023-08-29 03:21:28,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2023-08-29 03:21:28,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2023-08-29 03:21:28,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2023-08-29 03:21:28,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2023-08-29 03:21:28,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2023-08-29 03:21:28,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2023-08-29 03:21:28,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2023-08-29 03:21:28,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2023-08-29 03:21:28,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2023-08-29 03:21:28,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2023-08-29 03:21:28,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2023-08-29 03:21:28,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2023-08-29 03:21:28,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2023-08-29 03:21:28,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2023-08-29 03:21:28,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2023-08-29 03:21:28,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2023-08-29 03:21:28,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2023-08-29 03:21:28,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2023-08-29 03:21:28,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2023-08-29 03:21:28,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2023-08-29 03:21:28,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2023-08-29 03:21:28,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2023-08-29 03:21:28,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2023-08-29 03:21:28,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2023-08-29 03:21:28,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2023-08-29 03:21:28,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2023-08-29 03:21:28,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2023-08-29 03:21:28,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2023-08-29 03:21:28,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2023-08-29 03:21:28,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2023-08-29 03:21:28,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2023-08-29 03:21:28,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2023-08-29 03:21:28,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2023-08-29 03:21:28,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2023-08-29 03:21:28,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2023-08-29 03:21:28,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2023-08-29 03:21:28,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2023-08-29 03:21:28,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2023-08-29 03:21:28,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2023-08-29 03:21:28,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2023-08-29 03:21:28,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2023-08-29 03:21:28,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2023-08-29 03:21:28,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2023-08-29 03:21:28,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2023-08-29 03:21:28,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2023-08-29 03:21:28,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2023-08-29 03:21:28,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2023-08-29 03:21:28,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2023-08-29 03:21:28,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2023-08-29 03:21:28,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 03:21:28,850 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:28,855 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:21:28,855 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:21:28,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:21:28 BasicIcfg [2023-08-29 03:21:28,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:21:28,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:21:28,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:21:28,860 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:21:28,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:21:05" (3/4) ... [2023-08-29 03:21:28,862 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:21:28,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:21:28,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:21:28,873 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-29 03:21:28,874 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:21:28,874 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:21:28,874 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:21:28,925 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:21:28,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:21:28,927 INFO L158 Benchmark]: Toolchain (without parser) took 24261.43ms. Allocated memory was 88.1MB in the beginning and 690.0MB in the end (delta: 601.9MB). Free memory was 68.9MB in the beginning and 325.0MB in the end (delta: -256.1MB). Peak memory consumption was 345.4MB. Max. memory is 16.1GB. [2023-08-29 03:21:28,927 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:21:28,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.60ms. Allocated memory is still 88.1MB. Free memory was 68.6MB in the beginning and 55.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:21:28,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.35ms. Allocated memory is still 88.1MB. Free memory was 55.9MB in the beginning and 52.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:21:28,928 INFO L158 Benchmark]: Boogie Preprocessor took 68.76ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 49.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:21:28,928 INFO L158 Benchmark]: RCFGBuilder took 758.01ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 36.5MB in the end (delta: 12.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-08-29 03:21:28,929 INFO L158 Benchmark]: TraceAbstraction took 22959.40ms. Allocated memory was 88.1MB in the beginning and 690.0MB in the end (delta: 601.9MB). Free memory was 36.1MB in the beginning and 330.3MB in the end (delta: -294.2MB). Peak memory consumption was 306.9MB. Max. memory is 16.1GB. [2023-08-29 03:21:28,929 INFO L158 Benchmark]: Witness Printer took 66.91ms. Allocated memory is still 690.0MB. Free memory was 330.3MB in the beginning and 325.0MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 03:21:28,930 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 65.0MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.60ms. Allocated memory is still 88.1MB. Free memory was 68.6MB in the beginning and 55.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.35ms. Allocated memory is still 88.1MB. Free memory was 55.9MB in the beginning and 52.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.76ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 49.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 758.01ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 36.5MB in the end (delta: 12.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * TraceAbstraction took 22959.40ms. Allocated memory was 88.1MB in the beginning and 690.0MB in the end (delta: 601.9MB). Free memory was 36.1MB in the beginning and 330.3MB in the end (delta: -294.2MB). Peak memory consumption was 306.9MB. Max. memory is 16.1GB. * Witness Printer took 66.91ms. Allocated memory is still 690.0MB. Free memory was 330.3MB in the beginning and 325.0MB in the end (delta: 5.4MB). 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: 8.3s, 407 PlacesBefore, 146 PlacesAfterwards, 424 TransitionsBefore, 150 TransitionsAfterwards, 30456 CoEnabledTransitionPairs, 7 FixpointIterations, 193 TrivialSequentialCompositions, 123 ConcurrentSequentialCompositions, 29 TrivialYvCompositions, 23 ConcurrentYvCompositions, 13 ChoiceCompositions, 381 TotalNumberOfCompositions, 161887 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43338, independent: 41584, independent conditional: 0, independent unconditional: 41584, dependent: 1754, dependent conditional: 0, dependent unconditional: 1754, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 15117, independent: 14895, independent conditional: 0, independent unconditional: 14895, dependent: 222, dependent conditional: 0, dependent unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 43338, independent: 26689, independent conditional: 0, independent unconditional: 26689, dependent: 1532, dependent conditional: 0, dependent unconditional: 1532, unknown: 15117, unknown conditional: 0, unknown unconditional: 15117] , Statistics on independence cache: Total cache size (in pairs): 2098, Positive cache size: 1974, Positive conditional cache size: 0, Positive unconditional cache size: 1974, Negative cache size: 124, Negative conditional cache size: 0, Negative unconditional cache size: 124, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: 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 5 procedures, 627 locations, 74 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: 22.8s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3915 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2453 mSDsluCounter, 1363 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1076 mSDsCounter, 1079 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7250 IncrementalHoareTripleChecker+Invalid, 8329 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1079 mSolverCounterUnsat, 287 mSDtfsCounter, 7250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred in iteration=13, InterpolantAutomatonStates: 80, 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, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 303 NumberOfCodeBlocks, 303 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 12/12 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 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:21:28,963 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