./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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-file-item-subst.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 be2a0d1eee532c8ad9f827ec91fa18dbacb100bdaebd8afe9a7f9b56098458ea --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:30:46,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:30:46,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:30:46,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:30:46,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:30:46,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:30:46,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:30:46,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:30:46,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:30:46,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:30:46,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:30:46,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:30:46,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:30:46,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:30:46,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:30:46,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:30:46,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:30:46,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:30:46,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:30:46,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:30:46,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:30:46,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:30:46,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:30:46,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:30:46,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:30:46,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:30:46,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:30:46,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:30:46,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:30:46,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:30:46,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:30:46,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:30:46,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:30:46,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:30:46,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:30:46,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:30:46,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:30:46,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:30:46,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:30:46,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:30:46,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:30:46,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:30:46,240 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:30:46,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:30:46,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:30:46,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:30:46,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:30:46,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:30:46,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:30:46,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:30:46,243 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:30:46,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:30:46,244 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:30:46,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:30:46,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:30:46,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:30:46,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:30:46,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:30:46,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:30:46,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:30:46,246 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:30:46,246 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:30:46,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:30:46,247 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:30:46,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:30:46,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:30:46,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:30:46,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:30:46,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:30:46,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:30:46,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:30:46,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:30:46,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:30:46,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:30:46,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:30:46,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:30:46,249 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:30:46,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:30:46,250 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:30:46,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2a0d1eee532c8ad9f827ec91fa18dbacb100bdaebd8afe9a7f9b56098458ea Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:30:46,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:30:46,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:30:46,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:30:46,591 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:30:46,592 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:30:46,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c [2023-08-31 21:30:47,687 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:30:47,870 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:30:47,871 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c [2023-08-31 21:30:47,879 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c31f724/58e6a7fe92714a2f83cadafbe6b3b484/FLAGd100a35c2 [2023-08-31 21:30:47,900 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c31f724/58e6a7fe92714a2f83cadafbe6b3b484 [2023-08-31 21:30:47,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:30:47,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:30:47,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:30:47,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:30:47,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:30:47,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:30:47" (1/1) ... [2023-08-31 21:30:47,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe112b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:47, skipping insertion in model container [2023-08-31 21:30:47,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:30:47" (1/1) ... [2023-08-31 21:30:47,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:30:47,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:30:48,136 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-file-item-subst.wvr.c[3015,3028] [2023-08-31 21:30:48,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:30:48,155 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:30:48,204 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-file-item-subst.wvr.c[3015,3028] [2023-08-31 21:30:48,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:30:48,225 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:30:48,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48 WrapperNode [2023-08-31 21:30:48,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:30:48,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:30:48,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:30:48,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:30:48,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (1/1) ... [2023-08-31 21:30:48,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (1/1) ... [2023-08-31 21:30:48,287 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 331 [2023-08-31 21:30:48,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:30:48,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:30:48,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:30:48,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:30:48,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (1/1) ... [2023-08-31 21:30:48,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (1/1) ... [2023-08-31 21:30:48,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (1/1) ... [2023-08-31 21:30:48,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (1/1) ... [2023-08-31 21:30:48,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (1/1) ... [2023-08-31 21:30:48,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (1/1) ... [2023-08-31 21:30:48,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (1/1) ... [2023-08-31 21:30:48,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (1/1) ... [2023-08-31 21:30:48,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:30:48,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:30:48,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:30:48,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:30:48,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (1/1) ... [2023-08-31 21:30:48,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:30:48,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:30:48,386 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) [2023-08-31 21:30:48,413 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 [2023-08-31 21:30:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:30:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:30:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:30:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:30:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:30:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:30:48,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:30:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:30:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:30:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:30:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:30:48,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:30:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:30:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:30:48,454 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:30:48,607 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:30:48,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:30:49,047 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:30:49,060 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:30:49,072 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 21:30:49,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:30:49 BoogieIcfgContainer [2023-08-31 21:30:49,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:30:49,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:30:49,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:30:49,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:30:49,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:30:47" (1/3) ... [2023-08-31 21:30:49,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56da456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:30:49, skipping insertion in model container [2023-08-31 21:30:49,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:48" (2/3) ... [2023-08-31 21:30:49,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56da456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:30:49, skipping insertion in model container [2023-08-31 21:30:49,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:30:49" (3/3) ... [2023-08-31 21:30:49,090 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-subst.wvr.c [2023-08-31 21:30:49,097 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:30:49,105 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:30:49,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-08-31 21:30:49,106 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:30:49,292 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:30:49,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 397 places, 408 transitions, 840 flow [2023-08-31 21:30:49,464 INFO L130 PetriNetUnfolder]: 21/405 cut-off events. [2023-08-31 21:30:49,465 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:30:49,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 405 events. 21/405 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1060 event pairs, 0 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 264. Up to 2 conditions per place. [2023-08-31 21:30:49,487 INFO L82 GeneralOperation]: Start removeDead. Operand has 397 places, 408 transitions, 840 flow [2023-08-31 21:30:49,500 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 376 places, 385 transitions, 788 flow [2023-08-31 21:30:49,504 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:30:49,520 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 376 places, 385 transitions, 788 flow [2023-08-31 21:30:49,526 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 376 places, 385 transitions, 788 flow [2023-08-31 21:30:49,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 376 places, 385 transitions, 788 flow [2023-08-31 21:30:49,616 INFO L130 PetriNetUnfolder]: 19/385 cut-off events. [2023-08-31 21:30:49,616 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:30:49,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 385 events. 19/385 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1036 event pairs, 0 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 264. Up to 2 conditions per place. [2023-08-31 21:30:49,638 INFO L119 LiptonReduction]: Number of co-enabled transitions 42486 [2023-08-31 21:30:57,529 INFO L134 LiptonReduction]: Checked pairs total: 157894 [2023-08-31 21:30:57,530 INFO L136 LiptonReduction]: Total number of compositions: 383 [2023-08-31 21:30:57,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:30:57,545 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;@17d63c5f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:30:57,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2023-08-31 21:30:57,546 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:30:57,547 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:30:57,547 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:57,547 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:30:57,548 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)] === [2023-08-31 21:30:57,551 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:57,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1518, now seen corresponding path program 1 times [2023-08-31 21:30:57,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:57,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425537931] [2023-08-31 21:30:57,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:57,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:57,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:57,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425537931] [2023-08-31 21:30:57,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425537931] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:57,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:57,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:30:57,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077488466] [2023-08-31 21:30:57,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:57,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:30:57,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:57,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:30:57,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:30:57,670 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 791 [2023-08-31 21:30:57,673 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 116 transitions, 250 flow. Second operand has 2 states, 2 states have (on average 393.5) internal successors, (787), 2 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:57,674 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:57,674 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 791 [2023-08-31 21:30:57,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:58,636 INFO L130 PetriNetUnfolder]: 6016/10936 cut-off events. [2023-08-31 21:30:58,636 INFO L131 PetriNetUnfolder]: For 284/284 co-relation queries the response was YES. [2023-08-31 21:30:58,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19050 conditions, 10936 events. 6016/10936 cut-off events. For 284/284 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 88447 event pairs, 3768 based on Foata normal form. 165/8264 useless extension candidates. Maximal degree in co-relation 17674. Up to 7837 conditions per place. [2023-08-31 21:30:58,723 INFO L137 encePairwiseOnDemand]: 771/791 looper letters, 47 selfloop transitions, 0 changer transitions 1/96 dead transitions. [2023-08-31 21:30:58,724 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 96 transitions, 306 flow [2023-08-31 21:30:58,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:30:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:30:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 854 transitions. [2023-08-31 21:30:58,742 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5398230088495575 [2023-08-31 21:30:58,743 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 854 transitions. [2023-08-31 21:30:58,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 854 transitions. [2023-08-31 21:30:58,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:58,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 854 transitions. [2023-08-31 21:30:58,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 427.0) internal successors, (854), 2 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:58,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 791.0) internal successors, (2373), 3 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:58,760 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 791.0) internal successors, (2373), 3 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:58,762 INFO L175 Difference]: Start difference. First operand has 113 places, 116 transitions, 250 flow. Second operand 2 states and 854 transitions. [2023-08-31 21:30:58,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 96 transitions, 306 flow [2023-08-31 21:30:58,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 96 transitions, 294 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:30:58,792 INFO L231 Difference]: Finished difference. Result has 89 places, 95 transitions, 195 flow [2023-08-31 21:30:58,794 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=791, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=195, PETRI_PLACES=89, PETRI_TRANSITIONS=95} [2023-08-31 21:30:58,799 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -24 predicate places. [2023-08-31 21:30:58,799 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 95 transitions, 195 flow [2023-08-31 21:30:58,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 393.5) internal successors, (787), 2 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:58,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:58,801 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-31 21:30:58,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:30:58,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:30:58,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:58,811 INFO L85 PathProgramCache]: Analyzing trace with hash 46956321, now seen corresponding path program 1 times [2023-08-31 21:30:58,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:58,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025754492] [2023-08-31 21:30:58,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:58,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:59,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:59,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:59,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025754492] [2023-08-31 21:30:59,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025754492] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:59,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:59,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:30:59,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756325163] [2023-08-31 21:30:59,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:59,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:30:59,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:59,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:30:59,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:30:59,026 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 791 [2023-08-31 21:30:59,028 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 95 transitions, 195 flow. Second operand has 3 states, 3 states have (on average 387.3333333333333) internal successors, (1162), 3 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:59,028 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:59,028 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 791 [2023-08-31 21:30:59,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:00,166 INFO L130 PetriNetUnfolder]: 7877/14081 cut-off events. [2023-08-31 21:31:00,167 INFO L131 PetriNetUnfolder]: For 93/93 co-relation queries the response was YES. [2023-08-31 21:31:00,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24519 conditions, 14081 events. 7877/14081 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 113450 event pairs, 3692 based on Foata normal form. 0/10701 useless extension candidates. Maximal degree in co-relation 24516. Up to 10275 conditions per place. [2023-08-31 21:31:00,252 INFO L137 encePairwiseOnDemand]: 787/791 looper letters, 67 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2023-08-31 21:31:00,252 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 112 transitions, 369 flow [2023-08-31 21:31:00,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:00,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:00,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1229 transitions. [2023-08-31 21:31:00,256 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5179098187947746 [2023-08-31 21:31:00,256 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1229 transitions. [2023-08-31 21:31:00,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1229 transitions. [2023-08-31 21:31:00,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:00,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1229 transitions. [2023-08-31 21:31:00,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:00,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:00,267 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:00,267 INFO L175 Difference]: Start difference. First operand has 89 places, 95 transitions, 195 flow. Second operand 3 states and 1229 transitions. [2023-08-31 21:31:00,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 112 transitions, 369 flow [2023-08-31 21:31:00,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 112 transitions, 369 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:00,271 INFO L231 Difference]: Finished difference. Result has 89 places, 95 transitions, 205 flow [2023-08-31 21:31:00,271 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=791, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=205, PETRI_PLACES=89, PETRI_TRANSITIONS=95} [2023-08-31 21:31:00,272 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -24 predicate places. [2023-08-31 21:31:00,272 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 95 transitions, 205 flow [2023-08-31 21:31:00,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 387.3333333333333) internal successors, (1162), 3 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:00,273 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:00,273 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:31:00,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:31:00,274 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:31:00,277 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:00,278 INFO L85 PathProgramCache]: Analyzing trace with hash -2119256261, now seen corresponding path program 1 times [2023-08-31 21:31:00,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:00,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506671725] [2023-08-31 21:31:00,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:00,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:00,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:31:00,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:00,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506671725] [2023-08-31 21:31:00,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506671725] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:00,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:00,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:00,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413240469] [2023-08-31 21:31:00,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:00,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:00,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:00,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:00,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:00,382 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 791 [2023-08-31 21:31:00,383 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 95 transitions, 205 flow. Second operand has 3 states, 3 states have (on average 384.6666666666667) internal successors, (1154), 3 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:00,384 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:00,384 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 791 [2023-08-31 21:31:00,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:01,419 INFO L130 PetriNetUnfolder]: 8873/15411 cut-off events. [2023-08-31 21:31:01,419 INFO L131 PetriNetUnfolder]: For 90/90 co-relation queries the response was YES. [2023-08-31 21:31:01,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27225 conditions, 15411 events. 8873/15411 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 730. Compared 122004 event pairs, 1450 based on Foata normal form. 0/12138 useless extension candidates. Maximal degree in co-relation 27221. Up to 11302 conditions per place. [2023-08-31 21:31:01,517 INFO L137 encePairwiseOnDemand]: 785/791 looper letters, 70 selfloop transitions, 3 changer transitions 0/114 dead transitions. [2023-08-31 21:31:01,517 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 114 transitions, 391 flow [2023-08-31 21:31:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1225 transitions. [2023-08-31 21:31:01,521 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5162241887905604 [2023-08-31 21:31:01,521 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1225 transitions. [2023-08-31 21:31:01,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1225 transitions. [2023-08-31 21:31:01,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:01,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1225 transitions. [2023-08-31 21:31:01,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:01,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:01,531 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:01,531 INFO L175 Difference]: Start difference. First operand has 89 places, 95 transitions, 205 flow. Second operand 3 states and 1225 transitions. [2023-08-31 21:31:01,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 114 transitions, 391 flow [2023-08-31 21:31:01,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 114 transitions, 391 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:01,534 INFO L231 Difference]: Finished difference. Result has 89 places, 95 transitions, 220 flow [2023-08-31 21:31:01,534 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=791, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=89, PETRI_TRANSITIONS=95} [2023-08-31 21:31:01,535 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -24 predicate places. [2023-08-31 21:31:01,535 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 95 transitions, 220 flow [2023-08-31 21:31:01,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 384.6666666666667) internal successors, (1154), 3 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:01,538 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:01,538 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:01,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:31:01,538 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:31:01,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:01,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1098176282, now seen corresponding path program 1 times [2023-08-31 21:31:01,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:01,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960346650] [2023-08-31 21:31:01,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:01,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:31:01,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:01,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960346650] [2023-08-31 21:31:01,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960346650] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:01,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:01,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:01,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815988771] [2023-08-31 21:31:01,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:01,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:01,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:01,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:01,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:01,621 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 791 [2023-08-31 21:31:01,623 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 95 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:01,623 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:01,623 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 791 [2023-08-31 21:31:01,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:02,414 INFO L130 PetriNetUnfolder]: 7747/13886 cut-off events. [2023-08-31 21:31:02,414 INFO L131 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2023-08-31 21:31:02,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24291 conditions, 13886 events. 7747/13886 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 725. Compared 112720 event pairs, 1512 based on Foata normal form. 0/10221 useless extension candidates. Maximal degree in co-relation 24286. Up to 10140 conditions per place. [2023-08-31 21:31:02,485 INFO L137 encePairwiseOnDemand]: 783/791 looper letters, 65 selfloop transitions, 4 changer transitions 0/112 dead transitions. [2023-08-31 21:31:02,485 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 112 transitions, 394 flow [2023-08-31 21:31:02,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:02,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2023-08-31 21:31:02,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5111672987779182 [2023-08-31 21:31:02,489 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1213 transitions. [2023-08-31 21:31:02,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1213 transitions. [2023-08-31 21:31:02,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:02,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1213 transitions. [2023-08-31 21:31:02,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:02,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:02,498 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:02,498 INFO L175 Difference]: Start difference. First operand has 89 places, 95 transitions, 220 flow. Second operand 3 states and 1213 transitions. [2023-08-31 21:31:02,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 112 transitions, 394 flow [2023-08-31 21:31:02,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 112 transitions, 394 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:02,501 INFO L231 Difference]: Finished difference. Result has 88 places, 95 transitions, 240 flow [2023-08-31 21:31:02,501 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=791, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=88, PETRI_TRANSITIONS=95} [2023-08-31 21:31:02,504 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -25 predicate places. [2023-08-31 21:31:02,504 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 95 transitions, 240 flow [2023-08-31 21:31:02,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:02,505 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:02,505 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:02,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:31:02,505 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:31:02,506 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:02,506 INFO L85 PathProgramCache]: Analyzing trace with hash -789512037, now seen corresponding path program 1 times [2023-08-31 21:31:02,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:02,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389165217] [2023-08-31 21:31:02,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:02,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:02,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:31:02,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:02,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389165217] [2023-08-31 21:31:02,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389165217] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:02,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:02,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:02,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393319914] [2023-08-31 21:31:02,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:02,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:02,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:02,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:02,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:02,559 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 791 [2023-08-31 21:31:02,560 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 95 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:02,560 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:02,561 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 791 [2023-08-31 21:31:02,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:03,580 INFO L130 PetriNetUnfolder]: 9499/17231 cut-off events. [2023-08-31 21:31:03,581 INFO L131 PetriNetUnfolder]: For 752/752 co-relation queries the response was YES. [2023-08-31 21:31:03,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31675 conditions, 17231 events. 9499/17231 cut-off events. For 752/752 co-relation queries the response was YES. Maximal size of possible extension queue 964. Compared 150001 event pairs, 1685 based on Foata normal form. 0/13626 useless extension candidates. Maximal degree in co-relation 31669. Up to 9361 conditions per place. [2023-08-31 21:31:03,719 INFO L137 encePairwiseOnDemand]: 787/791 looper letters, 89 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2023-08-31 21:31:03,719 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 131 transitions, 518 flow [2023-08-31 21:31:03,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:03,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:03,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2023-08-31 21:31:03,723 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5238095238095238 [2023-08-31 21:31:03,723 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1243 transitions. [2023-08-31 21:31:03,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1243 transitions. [2023-08-31 21:31:03,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:03,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1243 transitions. [2023-08-31 21:31:03,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-08-31 21:31:03,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:03,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:03,733 INFO L175 Difference]: Start difference. First operand has 88 places, 95 transitions, 240 flow. Second operand 3 states and 1243 transitions. [2023-08-31 21:31:03,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 131 transitions, 518 flow [2023-08-31 21:31:03,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 131 transitions, 518 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:03,737 INFO L231 Difference]: Finished difference. Result has 89 places, 95 transitions, 250 flow [2023-08-31 21:31:03,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=791, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=89, PETRI_TRANSITIONS=95} [2023-08-31 21:31:03,738 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -24 predicate places. [2023-08-31 21:31:03,738 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 95 transitions, 250 flow [2023-08-31 21:31:03,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:03,739 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:03,739 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:03,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:31:03,740 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:31:03,740 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:03,740 INFO L85 PathProgramCache]: Analyzing trace with hash -316259610, now seen corresponding path program 1 times [2023-08-31 21:31:03,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:03,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960019780] [2023-08-31 21:31:03,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:03,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:03,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:31:03,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:03,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960019780] [2023-08-31 21:31:03,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960019780] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:03,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:03,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:03,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495271416] [2023-08-31 21:31:03,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:03,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:03,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:03,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:03,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:03,788 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 791 [2023-08-31 21:31:03,790 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 95 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:03,790 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:03,790 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 791 [2023-08-31 21:31:03,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:04,607 INFO L130 PetriNetUnfolder]: 8678/15294 cut-off events. [2023-08-31 21:31:04,607 INFO L131 PetriNetUnfolder]: For 1012/1012 co-relation queries the response was YES. [2023-08-31 21:31:04,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29051 conditions, 15294 events. 8678/15294 cut-off events. For 1012/1012 co-relation queries the response was YES. Maximal size of possible extension queue 847. Compared 126204 event pairs, 3820 based on Foata normal form. 0/11407 useless extension candidates. Maximal degree in co-relation 29044. Up to 8964 conditions per place. [2023-08-31 21:31:04,678 INFO L137 encePairwiseOnDemand]: 784/791 looper letters, 75 selfloop transitions, 6 changer transitions 0/123 dead transitions. [2023-08-31 21:31:04,678 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 123 transitions, 474 flow [2023-08-31 21:31:04,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:04,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2023-08-31 21:31:04,683 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5204382638010957 [2023-08-31 21:31:04,683 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1235 transitions. [2023-08-31 21:31:04,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1235 transitions. [2023-08-31 21:31:04,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:04,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1235 transitions. [2023-08-31 21:31:04,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:04,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:04,692 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:04,692 INFO L175 Difference]: Start difference. First operand has 89 places, 95 transitions, 250 flow. Second operand 3 states and 1235 transitions. [2023-08-31 21:31:04,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 123 transitions, 474 flow [2023-08-31 21:31:04,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 123 transitions, 474 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:04,695 INFO L231 Difference]: Finished difference. Result has 90 places, 94 transitions, 260 flow [2023-08-31 21:31:04,695 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=791, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=90, PETRI_TRANSITIONS=94} [2023-08-31 21:31:04,696 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -23 predicate places. [2023-08-31 21:31:04,696 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 94 transitions, 260 flow [2023-08-31 21:31:04,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:04,697 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:04,697 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:04,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:31:04,698 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:31:04,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:04,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1488183978, now seen corresponding path program 1 times [2023-08-31 21:31:04,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:04,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167885968] [2023-08-31 21:31:04,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:04,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:31:04,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:04,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167885968] [2023-08-31 21:31:04,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167885968] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:04,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:04,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:04,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503245919] [2023-08-31 21:31:04,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:04,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:04,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:04,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:04,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:04,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 791 [2023-08-31 21:31:04,757 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 94 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 385.0) internal successors, (1155), 3 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:04,757 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:04,757 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 791 [2023-08-31 21:31:04,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:05,655 INFO L130 PetriNetUnfolder]: 11646/19382 cut-off events. [2023-08-31 21:31:05,655 INFO L131 PetriNetUnfolder]: For 3872/3872 co-relation queries the response was YES. [2023-08-31 21:31:05,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40528 conditions, 19382 events. 11646/19382 cut-off events. For 3872/3872 co-relation queries the response was YES. Maximal size of possible extension queue 1024. Compared 153415 event pairs, 2713 based on Foata normal form. 0/15125 useless extension candidates. Maximal degree in co-relation 40520. Up to 10777 conditions per place. [2023-08-31 21:31:05,756 INFO L137 encePairwiseOnDemand]: 785/791 looper letters, 92 selfloop transitions, 3 changer transitions 0/132 dead transitions. [2023-08-31 21:31:05,756 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 132 transitions, 567 flow [2023-08-31 21:31:05,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:05,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1237 transitions. [2023-08-31 21:31:05,759 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5212810788032027 [2023-08-31 21:31:05,759 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1237 transitions. [2023-08-31 21:31:05,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1237 transitions. [2023-08-31 21:31:05,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:05,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1237 transitions. [2023-08-31 21:31:05,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:05,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:05,766 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:05,766 INFO L175 Difference]: Start difference. First operand has 90 places, 94 transitions, 260 flow. Second operand 3 states and 1237 transitions. [2023-08-31 21:31:05,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 132 transitions, 567 flow [2023-08-31 21:31:05,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 132 transitions, 543 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:31:05,853 INFO L231 Difference]: Finished difference. Result has 88 places, 94 transitions, 263 flow [2023-08-31 21:31:05,854 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=791, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=263, PETRI_PLACES=88, PETRI_TRANSITIONS=94} [2023-08-31 21:31:05,854 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -25 predicate places. [2023-08-31 21:31:05,854 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 94 transitions, 263 flow [2023-08-31 21:31:05,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 385.0) internal successors, (1155), 3 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:05,855 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:05,855 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:05,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:31:05,856 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:31:05,856 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:05,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1117419037, now seen corresponding path program 1 times [2023-08-31 21:31:05,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:05,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598015349] [2023-08-31 21:31:05,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:05,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:31:05,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:05,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598015349] [2023-08-31 21:31:05,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598015349] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:05,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:05,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:05,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255625321] [2023-08-31 21:31:05,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:05,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:05,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:05,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:05,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:05,921 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 791 [2023-08-31 21:31:05,923 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 94 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:05,923 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:05,923 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 791 [2023-08-31 21:31:05,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:07,136 INFO L130 PetriNetUnfolder]: 14751/23787 cut-off events. [2023-08-31 21:31:07,137 INFO L131 PetriNetUnfolder]: For 1898/1898 co-relation queries the response was YES. [2023-08-31 21:31:07,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48331 conditions, 23787 events. 14751/23787 cut-off events. For 1898/1898 co-relation queries the response was YES. Maximal size of possible extension queue 1144. Compared 183723 event pairs, 3635 based on Foata normal form. 0/18072 useless extension candidates. Maximal degree in co-relation 48323. Up to 14218 conditions per place. [2023-08-31 21:31:07,243 INFO L137 encePairwiseOnDemand]: 783/791 looper letters, 94 selfloop transitions, 4 changer transitions 0/130 dead transitions. [2023-08-31 21:31:07,243 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 130 transitions, 557 flow [2023-08-31 21:31:07,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2023-08-31 21:31:07,246 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5191740412979351 [2023-08-31 21:31:07,247 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2023-08-31 21:31:07,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2023-08-31 21:31:07,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:07,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2023-08-31 21:31:07,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-08-31 21:31:07,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:07,255 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:07,255 INFO L175 Difference]: Start difference. First operand has 88 places, 94 transitions, 263 flow. Second operand 3 states and 1232 transitions. [2023-08-31 21:31:07,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 130 transitions, 557 flow [2023-08-31 21:31:07,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 130 transitions, 557 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:07,259 INFO L231 Difference]: Finished difference. Result has 87 places, 94 transitions, 283 flow [2023-08-31 21:31:07,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=791, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=283, PETRI_PLACES=87, PETRI_TRANSITIONS=94} [2023-08-31 21:31:07,260 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -26 predicate places. [2023-08-31 21:31:07,260 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 94 transitions, 283 flow [2023-08-31 21:31:07,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:07,261 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:07,261 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:07,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:31:07,262 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:31:07,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:07,262 INFO L85 PathProgramCache]: Analyzing trace with hash -78987398, now seen corresponding path program 1 times [2023-08-31 21:31:07,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:07,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063800061] [2023-08-31 21:31:07,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:07,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:07,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:31:07,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:07,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063800061] [2023-08-31 21:31:07,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063800061] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:07,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:07,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:07,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161703997] [2023-08-31 21:31:07,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:07,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:07,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:07,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:07,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:07,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 791 [2023-08-31 21:31:07,298 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 94 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:07,298 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:07,298 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 791 [2023-08-31 21:31:07,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:08,955 INFO L130 PetriNetUnfolder]: 17025/26895 cut-off events. [2023-08-31 21:31:08,955 INFO L131 PetriNetUnfolder]: For 2858/2858 co-relation queries the response was YES. [2023-08-31 21:31:09,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57862 conditions, 26895 events. 17025/26895 cut-off events. For 2858/2858 co-relation queries the response was YES. Maximal size of possible extension queue 1210. Compared 206249 event pairs, 6463 based on Foata normal form. 0/21722 useless extension candidates. Maximal degree in co-relation 57853. Up to 13765 conditions per place. [2023-08-31 21:31:09,155 INFO L137 encePairwiseOnDemand]: 787/791 looper letters, 109 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2023-08-31 21:31:09,156 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 144 transitions, 651 flow [2023-08-31 21:31:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1254 transitions. [2023-08-31 21:31:09,159 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5284450063211125 [2023-08-31 21:31:09,159 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1254 transitions. [2023-08-31 21:31:09,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1254 transitions. [2023-08-31 21:31:09,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:09,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1254 transitions. [2023-08-31 21:31:09,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 418.0) internal successors, (1254), 3 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:09,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:09,166 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:09,167 INFO L175 Difference]: Start difference. First operand has 87 places, 94 transitions, 283 flow. Second operand 3 states and 1254 transitions. [2023-08-31 21:31:09,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 144 transitions, 651 flow [2023-08-31 21:31:09,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 144 transitions, 651 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:09,173 INFO L231 Difference]: Finished difference. Result has 88 places, 94 transitions, 293 flow [2023-08-31 21:31:09,173 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=791, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=293, PETRI_PLACES=88, PETRI_TRANSITIONS=94} [2023-08-31 21:31:09,174 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -25 predicate places. [2023-08-31 21:31:09,174 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 94 transitions, 293 flow [2023-08-31 21:31:09,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:09,175 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:09,175 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:09,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:31:09,176 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:31:09,176 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:09,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1402553053, now seen corresponding path program 1 times [2023-08-31 21:31:09,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:09,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318696951] [2023-08-31 21:31:09,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:09,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:09,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:31:09,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:09,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318696951] [2023-08-31 21:31:09,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318696951] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:09,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:09,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:09,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022255464] [2023-08-31 21:31:09,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:09,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:09,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:09,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:09,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:09,217 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 791 [2023-08-31 21:31:09,224 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 94 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:09,224 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:09,224 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 791 [2023-08-31 21:31:09,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:10,744 INFO L130 PetriNetUnfolder]: 18201/28393 cut-off events. [2023-08-31 21:31:10,744 INFO L131 PetriNetUnfolder]: For 3578/3596 co-relation queries the response was YES. [2023-08-31 21:31:10,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62877 conditions, 28393 events. 18201/28393 cut-off events. For 3578/3596 co-relation queries the response was YES. Maximal size of possible extension queue 1177. Compared 213452 event pairs, 7877 based on Foata normal form. 0/23134 useless extension candidates. Maximal degree in co-relation 62867. Up to 15761 conditions per place. [2023-08-31 21:31:10,950 INFO L137 encePairwiseOnDemand]: 787/791 looper letters, 109 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2023-08-31 21:31:10,951 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 144 transitions, 663 flow [2023-08-31 21:31:10,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:10,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:10,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2023-08-31 21:31:10,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.528023598820059 [2023-08-31 21:31:10,954 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1253 transitions. [2023-08-31 21:31:10,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1253 transitions. [2023-08-31 21:31:10,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:10,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1253 transitions. [2023-08-31 21:31:10,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:10,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:10,960 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:10,961 INFO L175 Difference]: Start difference. First operand has 88 places, 94 transitions, 293 flow. Second operand 3 states and 1253 transitions. [2023-08-31 21:31:10,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 144 transitions, 663 flow [2023-08-31 21:31:10,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 144 transitions, 663 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:10,972 INFO L231 Difference]: Finished difference. Result has 89 places, 94 transitions, 303 flow [2023-08-31 21:31:10,972 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=791, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=303, PETRI_PLACES=89, PETRI_TRANSITIONS=94} [2023-08-31 21:31:10,972 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -24 predicate places. [2023-08-31 21:31:10,973 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 94 transitions, 303 flow [2023-08-31 21:31:10,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:10,973 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:10,973 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:10,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 21:31:10,974 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:31:10,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:10,974 INFO L85 PathProgramCache]: Analyzing trace with hash 520373597, now seen corresponding path program 1 times [2023-08-31 21:31:10,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:10,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751529709] [2023-08-31 21:31:10,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:10,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:10,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:31:10,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:10,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751529709] [2023-08-31 21:31:10,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751529709] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:10,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:10,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:10,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588919555] [2023-08-31 21:31:10,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:10,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:10,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:11,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:11,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:11,007 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 791 [2023-08-31 21:31:11,009 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 94 transitions, 303 flow. Second operand has 3 states, 3 states have (on average 389.3333333333333) internal successors, (1168), 3 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:11,009 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:11,009 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 791 [2023-08-31 21:31:11,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:12,862 INFO L130 PetriNetUnfolder]: 19416/29558 cut-off events. [2023-08-31 21:31:12,863 INFO L131 PetriNetUnfolder]: For 4393/4411 co-relation queries the response was YES. [2023-08-31 21:31:12,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67510 conditions, 29558 events. 19416/29558 cut-off events. For 4393/4411 co-relation queries the response was YES. Maximal size of possible extension queue 1140. Compared 213845 event pairs, 8718 based on Foata normal form. 0/24031 useless extension candidates. Maximal degree in co-relation 67499. Up to 17420 conditions per place. [2023-08-31 21:31:12,957 INFO L137 encePairwiseOnDemand]: 787/791 looper letters, 0 selfloop transitions, 0 changer transitions 140/140 dead transitions. [2023-08-31 21:31:12,958 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 140 transitions, 651 flow [2023-08-31 21:31:12,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1252 transitions. [2023-08-31 21:31:12,961 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5276021913190054 [2023-08-31 21:31:12,961 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1252 transitions. [2023-08-31 21:31:12,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1252 transitions. [2023-08-31 21:31:12,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:12,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1252 transitions. [2023-08-31 21:31:12,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:12,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:12,967 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 791.0) internal successors, (3164), 4 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:12,967 INFO L175 Difference]: Start difference. First operand has 89 places, 94 transitions, 303 flow. Second operand 3 states and 1252 transitions. [2023-08-31 21:31:12,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 140 transitions, 651 flow [2023-08-31 21:31:12,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 140 transitions, 651 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:12,976 INFO L231 Difference]: Finished difference. Result has 89 places, 0 transitions, 0 flow [2023-08-31 21:31:12,976 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=791, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=89, PETRI_TRANSITIONS=0} [2023-08-31 21:31:12,977 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -24 predicate places. [2023-08-31 21:31:12,977 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 0 transitions, 0 flow [2023-08-31 21:31:12,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 389.3333333333333) internal successors, (1168), 3 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:12,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2023-08-31 21:31:12,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2023-08-31 21:31:12,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2023-08-31 21:31:12,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2023-08-31 21:31:12,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2023-08-31 21:31:12,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2023-08-31 21:31:12,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2023-08-31 21:31:12,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2023-08-31 21:31:12,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2023-08-31 21:31:12,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2023-08-31 21:31:12,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2023-08-31 21:31:12,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2023-08-31 21:31:12,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2023-08-31 21:31:12,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2023-08-31 21:31:12,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2023-08-31 21:31:12,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2023-08-31 21:31:12,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2023-08-31 21:31:12,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2023-08-31 21:31:12,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2023-08-31 21:31:12,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2023-08-31 21:31:12,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2023-08-31 21:31:12,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2023-08-31 21:31:12,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2023-08-31 21:31:12,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2023-08-31 21:31:12,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2023-08-31 21:31:12,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2023-08-31 21:31:12,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2023-08-31 21:31:12,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2023-08-31 21:31:12,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2023-08-31 21:31:12,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2023-08-31 21:31:12,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2023-08-31 21:31:12,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2023-08-31 21:31:12,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2023-08-31 21:31:12,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2023-08-31 21:31:12,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2023-08-31 21:31:12,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2023-08-31 21:31:12,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2023-08-31 21:31:12,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2023-08-31 21:31:12,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2023-08-31 21:31:12,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2023-08-31 21:31:12,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2023-08-31 21:31:12,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2023-08-31 21:31:12,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2023-08-31 21:31:12,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2023-08-31 21:31:12,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2023-08-31 21:31:12,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2023-08-31 21:31:12,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 74 remaining) [2023-08-31 21:31:12,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2023-08-31 21:31:12,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2023-08-31 21:31:12,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2023-08-31 21:31:12,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2023-08-31 21:31:12,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2023-08-31 21:31:12,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2023-08-31 21:31:12,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2023-08-31 21:31:12,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2023-08-31 21:31:12,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2023-08-31 21:31:12,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2023-08-31 21:31:12,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2023-08-31 21:31:12,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2023-08-31 21:31:12,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2023-08-31 21:31:12,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2023-08-31 21:31:12,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2023-08-31 21:31:12,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2023-08-31 21:31:12,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2023-08-31 21:31:12,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2023-08-31 21:31:12,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2023-08-31 21:31:12,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2023-08-31 21:31:12,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2023-08-31 21:31:12,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2023-08-31 21:31:12,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2023-08-31 21:31:12,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2023-08-31 21:31:12,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2023-08-31 21:31:12,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2023-08-31 21:31:12,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2023-08-31 21:31:12,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-31 21:31:12,994 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:12,999 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:31:12,999 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:31:13,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:31:13 BasicIcfg [2023-08-31 21:31:13,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:31:13,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:31:13,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:31:13,003 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:31:13,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:30:49" (3/4) ... [2023-08-31 21:31:13,006 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:31:13,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:31:13,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:31:13,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:31:13,013 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-08-31 21:31:13,014 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:31:13,014 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:31:13,014 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:31:13,056 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:31:13,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:31:13,057 INFO L158 Benchmark]: Toolchain (without parser) took 25154.23ms. Allocated memory was 71.3MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 49.1MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 402.0MB. Max. memory is 16.1GB. [2023-08-31 21:31:13,058 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:31:13,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.68ms. Allocated memory is still 71.3MB. Free memory was 48.9MB in the beginning and 36.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:31:13,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.80ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 34.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:31:13,058 INFO L158 Benchmark]: Boogie Preprocessor took 61.42ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 32.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:31:13,059 INFO L158 Benchmark]: RCFGBuilder took 722.79ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 31.9MB in the beginning and 58.1MB in the end (delta: -26.2MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-08-31 21:31:13,059 INFO L158 Benchmark]: TraceAbstraction took 23925.30ms. Allocated memory was 102.8MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 57.5MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-08-31 21:31:13,059 INFO L158 Benchmark]: Witness Printer took 53.81ms. Allocated memory is still 2.4GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:31:13,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.68ms. Allocated memory is still 71.3MB. Free memory was 48.9MB in the beginning and 36.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.80ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 34.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.42ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 32.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 722.79ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 31.9MB in the beginning and 58.1MB in the end (delta: -26.2MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * TraceAbstraction took 23925.30ms. Allocated memory was 102.8MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 57.5MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 53.81ms. Allocated memory is still 2.4GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.0s, 376 PlacesBefore, 113 PlacesAfterwards, 385 TransitionsBefore, 116 TransitionsAfterwards, 42486 CoEnabledTransitionPairs, 9 FixpointIterations, 159 TrivialSequentialCompositions, 165 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 51 ConcurrentYvCompositions, 6 ChoiceCompositions, 383 TotalNumberOfCompositions, 157894 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 83420, independent: 81922, independent conditional: 0, independent unconditional: 81922, dependent: 1498, dependent conditional: 0, dependent unconditional: 1498, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24870, independent: 24739, independent conditional: 0, independent unconditional: 24739, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 83420, independent: 57183, independent conditional: 0, independent unconditional: 57183, dependent: 1367, dependent conditional: 0, dependent unconditional: 1367, unknown: 24870, unknown conditional: 0, unknown unconditional: 24870] , Statistics on independence cache: Total cache size (in pairs): 2481, Positive cache size: 2410, Positive conditional cache size: 0, Positive unconditional cache size: 2410, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 595 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: 23.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 615 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 457 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1275 IncrementalHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 78 mSDtfsCounter, 1275 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=303occurred in iteration=10, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:31:13,087 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