./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i --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/pthread-deagle/arithmetic_prog_ok.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 29016034e4102bf62d4fcba069301a54da1d77dfd5739e4cf52e395ddaa22e38 --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 21:57:11,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:57:11,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:57:11,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:57:11,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:57:11,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:57:11,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:57:11,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:57:11,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:57:11,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:57:11,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:57:11,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:57:11,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:57:11,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:57:11,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:57:11,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:57:11,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:57:11,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:57:11,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:57:11,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:57:11,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:57:11,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:57:11,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:57:11,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:57:11,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:57:11,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:57:11,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:57:11,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:57:11,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:57:11,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:57:11,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:57:11,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:57:11,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:57:11,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:57:11,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:57:11,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:57:11,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:57:11,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:57:11,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:57:11,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:57:11,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:57:11,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:57:11,326 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:57:11,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:57:11,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:57:11,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:57:11,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:57:11,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:57:11,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:57:11,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:57:11,329 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:57:11,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:57:11,330 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:57:11,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:57:11,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:57:11,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:57:11,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:57:11,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:57:11,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:57:11,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:57:11,332 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:57:11,332 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:57:11,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:57:11,332 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:57:11,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:57:11,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:57:11,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:57:11,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:57:11,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:57:11,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:57:11,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:57:11,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:57:11,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:57:11,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:57:11,334 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:57:11,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:57:11,335 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:57:11,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:57:11,335 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:57:11,335 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29016034e4102bf62d4fcba069301a54da1d77dfd5739e4cf52e395ddaa22e38 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:57:11,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:57:11,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:57:11,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:57:11,629 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:57:11,630 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:57:11,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2023-08-31 21:57:12,892 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:57:13,119 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:57:13,120 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2023-08-31 21:57:13,134 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a1d634c6/cd50aa5b9b9a4bffa85fa439ffa2b6e5/FLAG9dec66a46 [2023-08-31 21:57:13,145 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a1d634c6/cd50aa5b9b9a4bffa85fa439ffa2b6e5 [2023-08-31 21:57:13,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:57:13,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:57:13,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:57:13,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:57:13,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:57:13,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679d14da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13, skipping insertion in model container [2023-08-31 21:57:13,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:57:13,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:57:13,545 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2023-08-31 21:57:13,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:57:13,568 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:57:13,626 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2023-08-31 21:57:13,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:57:13,687 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:57:13,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13 WrapperNode [2023-08-31 21:57:13,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:57:13,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:57:13,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:57:13,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:57:13,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,737 INFO L138 Inliner]: procedures = 243, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2023-08-31 21:57:13,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:57:13,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:57:13,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:57:13,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:57:13,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,762 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:57:13,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:57:13,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:57:13,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:57:13,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (1/1) ... [2023-08-31 21:57:13,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:57:13,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:57:13,810 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 21:57:13,819 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 21:57:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:57:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:57:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-31 21:57:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:57:13,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:57:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:57:13,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:57:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:57:13,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:57:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 21:57:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:57:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:57:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:57:13,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:57:13,849 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 21:57:14,004 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:57:14,006 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:57:14,301 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:57:14,308 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:57:14,309 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-31 21:57:14,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:57:14 BoogieIcfgContainer [2023-08-31 21:57:14,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:57:14,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:57:14,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:57:14,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:57:14,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:57:13" (1/3) ... [2023-08-31 21:57:14,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a43932e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:57:14, skipping insertion in model container [2023-08-31 21:57:14,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:57:13" (2/3) ... [2023-08-31 21:57:14,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a43932e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:57:14, skipping insertion in model container [2023-08-31 21:57:14,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:57:14" (3/3) ... [2023-08-31 21:57:14,317 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2023-08-31 21:57:14,338 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:57:14,346 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:57:14,346 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-08-31 21:57:14,347 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:57:14,421 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 21:57:14,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 198 places, 201 transitions, 418 flow [2023-08-31 21:57:14,557 INFO L130 PetriNetUnfolder]: 10/199 cut-off events. [2023-08-31 21:57:14,558 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:57:14,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 199 events. 10/199 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 348 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 111. Up to 3 conditions per place. [2023-08-31 21:57:14,566 INFO L82 GeneralOperation]: Start removeDead. Operand has 198 places, 201 transitions, 418 flow [2023-08-31 21:57:14,575 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 186 transitions, 384 flow [2023-08-31 21:57:14,578 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:57:14,596 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 186 transitions, 384 flow [2023-08-31 21:57:14,601 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 186 transitions, 384 flow [2023-08-31 21:57:14,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 185 places, 186 transitions, 384 flow [2023-08-31 21:57:14,660 INFO L130 PetriNetUnfolder]: 8/186 cut-off events. [2023-08-31 21:57:14,661 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:57:14,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 186 events. 8/186 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 336 event pairs, 0 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 111. Up to 2 conditions per place. [2023-08-31 21:57:14,666 INFO L119 LiptonReduction]: Number of co-enabled transitions 7052 [2023-08-31 21:57:19,787 INFO L134 LiptonReduction]: Checked pairs total: 20030 [2023-08-31 21:57:19,787 INFO L136 LiptonReduction]: Total number of compositions: 155 [2023-08-31 21:57:19,798 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:57:19,802 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;@64ec92ec, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:57:19,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2023-08-31 21:57:19,804 INFO L130 PetriNetUnfolder]: 0/1 cut-off events. [2023-08-31 21:57:19,804 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:57:19,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:19,805 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:57:19,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-31 21:57:19,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:19,808 INFO L85 PathProgramCache]: Analyzing trace with hash 726, now seen corresponding path program 1 times [2023-08-31 21:57:19,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:19,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853519742] [2023-08-31 21:57:19,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:19,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:19,884 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 21:57:19,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:19,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853519742] [2023-08-31 21:57:19,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853519742] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:19,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:19,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:57:19,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798326641] [2023-08-31 21:57:19,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:19,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:57:19,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:19,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:57:19,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:57:19,964 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 356 [2023-08-31 21:57:19,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 59 transitions, 130 flow. Second operand has 2 states, 2 states have (on average 191.5) internal successors, (383), 2 states have internal predecessors, (383), 0 states have call successors, (0), 0 states 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 21:57:19,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:19,967 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 356 [2023-08-31 21:57:19,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:20,070 INFO L130 PetriNetUnfolder]: 205/509 cut-off events. [2023-08-31 21:57:20,070 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2023-08-31 21:57:20,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 867 conditions, 509 events. 205/509 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2553 event pairs, 141 based on Foata normal form. 33/453 useless extension candidates. Maximal degree in co-relation 768. Up to 332 conditions per place. [2023-08-31 21:57:20,075 INFO L137 encePairwiseOnDemand]: 344/356 looper letters, 23 selfloop transitions, 0 changer transitions 1/47 dead transitions. [2023-08-31 21:57:20,075 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 47 transitions, 154 flow [2023-08-31 21:57:20,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:57:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:57:20,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 418 transitions. [2023-08-31 21:57:20,087 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5870786516853933 [2023-08-31 21:57:20,088 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 418 transitions. [2023-08-31 21:57:20,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 418 transitions. [2023-08-31 21:57:20,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:20,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 418 transitions. [2023-08-31 21:57:20,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 209.0) internal successors, (418), 2 states have internal predecessors, (418), 0 states have call successors, (0), 0 states 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 21:57:20,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 356.0) internal successors, (1068), 3 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:57:20,104 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 356.0) internal successors, (1068), 3 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:57:20,105 INFO L175 Difference]: Start difference. First operand has 60 places, 59 transitions, 130 flow. Second operand 2 states and 418 transitions. [2023-08-31 21:57:20,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 47 transitions, 154 flow [2023-08-31 21:57:20,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 47 transitions, 146 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:57:20,110 INFO L231 Difference]: Finished difference. Result has 47 places, 46 transitions, 95 flow [2023-08-31 21:57:20,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=95, PETRI_PLACES=47, PETRI_TRANSITIONS=46} [2023-08-31 21:57:20,114 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -13 predicate places. [2023-08-31 21:57:20,114 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 46 transitions, 95 flow [2023-08-31 21:57:20,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 191.5) internal successors, (383), 2 states have internal predecessors, (383), 0 states have call successors, (0), 0 states 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 21:57:20,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:20,116 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:57:20,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:57:20,119 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-31 21:57:20,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:20,127 INFO L85 PathProgramCache]: Analyzing trace with hash -114644166, now seen corresponding path program 1 times [2023-08-31 21:57:20,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:20,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978391602] [2023-08-31 21:57:20,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:20,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:20,242 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 21:57:20,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:20,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978391602] [2023-08-31 21:57:20,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978391602] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:20,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:20,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:57:20,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894646396] [2023-08-31 21:57:20,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:20,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:57:20,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:20,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:57:20,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:57:20,271 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 356 [2023-08-31 21:57:20,272 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 46 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 0 states have call successors, (0), 0 states 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 21:57:20,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:20,272 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 356 [2023-08-31 21:57:20,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:20,446 INFO L130 PetriNetUnfolder]: 827/1604 cut-off events. [2023-08-31 21:57:20,446 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2023-08-31 21:57:20,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3002 conditions, 1604 events. 827/1604 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 8294 event pairs, 264 based on Foata normal form. 0/1454 useless extension candidates. Maximal degree in co-relation 2999. Up to 789 conditions per place. [2023-08-31 21:57:20,454 INFO L137 encePairwiseOnDemand]: 342/356 looper letters, 56 selfloop transitions, 10 changer transitions 0/76 dead transitions. [2023-08-31 21:57:20,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 76 transitions, 289 flow [2023-08-31 21:57:20,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:57:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:57:20,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 598 transitions. [2023-08-31 21:57:20,457 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5599250936329588 [2023-08-31 21:57:20,457 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 598 transitions. [2023-08-31 21:57:20,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 598 transitions. [2023-08-31 21:57:20,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:20,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 598 transitions. [2023-08-31 21:57:20,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states 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 21:57:20,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:20,463 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:20,463 INFO L175 Difference]: Start difference. First operand has 47 places, 46 transitions, 95 flow. Second operand 3 states and 598 transitions. [2023-08-31 21:57:20,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 76 transitions, 289 flow [2023-08-31 21:57:20,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 76 transitions, 289 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:57:20,465 INFO L231 Difference]: Finished difference. Result has 50 places, 56 transitions, 183 flow [2023-08-31 21:57:20,465 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=50, PETRI_TRANSITIONS=56} [2023-08-31 21:57:20,466 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -10 predicate places. [2023-08-31 21:57:20,466 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 56 transitions, 183 flow [2023-08-31 21:57:20,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 0 states have call successors, (0), 0 states 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 21:57:20,467 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:20,467 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:57:20,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:57:20,467 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-31 21:57:20,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:20,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1075463314, now seen corresponding path program 1 times [2023-08-31 21:57:20,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:20,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023779463] [2023-08-31 21:57:20,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:20,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:20,566 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 21:57:20,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:20,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023779463] [2023-08-31 21:57:20,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023779463] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:20,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:20,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:57:20,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946205317] [2023-08-31 21:57:20,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:20,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:57:20,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:20,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:57:20,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:57:20,585 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 356 [2023-08-31 21:57:20,586 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 56 transitions, 183 flow. Second operand has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 states 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 21:57:20,586 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:20,586 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 356 [2023-08-31 21:57:20,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:20,782 INFO L130 PetriNetUnfolder]: 709/1648 cut-off events. [2023-08-31 21:57:20,782 INFO L131 PetriNetUnfolder]: For 168/174 co-relation queries the response was YES. [2023-08-31 21:57:20,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3300 conditions, 1648 events. 709/1648 cut-off events. For 168/174 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 9675 event pairs, 228 based on Foata normal form. 13/1492 useless extension candidates. Maximal degree in co-relation 3295. Up to 720 conditions per place. [2023-08-31 21:57:20,794 INFO L137 encePairwiseOnDemand]: 351/356 looper letters, 39 selfloop transitions, 3 changer transitions 0/72 dead transitions. [2023-08-31 21:57:20,794 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 72 transitions, 301 flow [2023-08-31 21:57:20,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:57:20,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:57:20,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2023-08-31 21:57:20,796 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5571161048689138 [2023-08-31 21:57:20,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2023-08-31 21:57:20,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2023-08-31 21:57:20,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:20,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2023-08-31 21:57:20,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 21:57:20,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:20,801 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:20,802 INFO L175 Difference]: Start difference. First operand has 50 places, 56 transitions, 183 flow. Second operand 3 states and 595 transitions. [2023-08-31 21:57:20,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 72 transitions, 301 flow [2023-08-31 21:57:20,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 72 transitions, 281 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:57:20,810 INFO L231 Difference]: Finished difference. Result has 52 places, 58 transitions, 187 flow [2023-08-31 21:57:20,810 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=52, PETRI_TRANSITIONS=58} [2023-08-31 21:57:20,812 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -8 predicate places. [2023-08-31 21:57:20,813 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 58 transitions, 187 flow [2023-08-31 21:57:20,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 states 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 21:57:20,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:20,813 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:57:20,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:57:20,814 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-31 21:57:20,814 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:20,814 INFO L85 PathProgramCache]: Analyzing trace with hash -725661305, now seen corresponding path program 1 times [2023-08-31 21:57:20,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:20,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816082169] [2023-08-31 21:57:20,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:20,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:20,909 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 21:57:20,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:20,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816082169] [2023-08-31 21:57:20,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816082169] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:20,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:20,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:57:20,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759945885] [2023-08-31 21:57:20,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:20,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:57:20,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:20,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:57:20,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:57:20,943 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 356 [2023-08-31 21:57:20,944 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 58 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 0 states have call successors, (0), 0 states 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 21:57:20,944 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:20,947 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 356 [2023-08-31 21:57:20,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:21,140 INFO L130 PetriNetUnfolder]: 941/1966 cut-off events. [2023-08-31 21:57:21,140 INFO L131 PetriNetUnfolder]: For 338/352 co-relation queries the response was YES. [2023-08-31 21:57:21,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4284 conditions, 1966 events. 941/1966 cut-off events. For 338/352 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 11228 event pairs, 474 based on Foata normal form. 0/1775 useless extension candidates. Maximal degree in co-relation 4278. Up to 1294 conditions per place. [2023-08-31 21:57:21,150 INFO L137 encePairwiseOnDemand]: 349/356 looper letters, 44 selfloop transitions, 10 changer transitions 1/77 dead transitions. [2023-08-31 21:57:21,150 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 77 transitions, 350 flow [2023-08-31 21:57:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:57:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:57:21,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 586 transitions. [2023-08-31 21:57:21,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.548689138576779 [2023-08-31 21:57:21,153 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 586 transitions. [2023-08-31 21:57:21,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 586 transitions. [2023-08-31 21:57:21,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:21,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 586 transitions. [2023-08-31 21:57:21,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states 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 21:57:21,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:21,157 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:21,158 INFO L175 Difference]: Start difference. First operand has 52 places, 58 transitions, 187 flow. Second operand 3 states and 586 transitions. [2023-08-31 21:57:21,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 77 transitions, 350 flow [2023-08-31 21:57:21,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 77 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:57:21,160 INFO L231 Difference]: Finished difference. Result has 54 places, 66 transitions, 267 flow [2023-08-31 21:57:21,161 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=267, PETRI_PLACES=54, PETRI_TRANSITIONS=66} [2023-08-31 21:57:21,161 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -6 predicate places. [2023-08-31 21:57:21,162 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 66 transitions, 267 flow [2023-08-31 21:57:21,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 0 states have call successors, (0), 0 states 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 21:57:21,162 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:21,162 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:57:21,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:57:21,163 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-31 21:57:21,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:21,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1751115039, now seen corresponding path program 1 times [2023-08-31 21:57:21,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:21,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76526118] [2023-08-31 21:57:21,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:21,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:21,325 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 21:57:21,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:21,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76526118] [2023-08-31 21:57:21,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76526118] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:21,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:21,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:57:21,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182242153] [2023-08-31 21:57:21,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:21,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:57:21,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:21,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:57:21,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:57:21,354 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 356 [2023-08-31 21:57:21,355 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 66 transitions, 267 flow. Second operand has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states 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 21:57:21,355 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:21,355 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 356 [2023-08-31 21:57:21,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:21,446 INFO L130 PetriNetUnfolder]: 233/652 cut-off events. [2023-08-31 21:57:21,447 INFO L131 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2023-08-31 21:57:21,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1390 conditions, 652 events. 233/652 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3152 event pairs, 70 based on Foata normal form. 24/638 useless extension candidates. Maximal degree in co-relation 1383. Up to 239 conditions per place. [2023-08-31 21:57:21,450 INFO L137 encePairwiseOnDemand]: 348/356 looper letters, 26 selfloop transitions, 8 changer transitions 1/54 dead transitions. [2023-08-31 21:57:21,450 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 54 transitions, 239 flow [2023-08-31 21:57:21,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:57:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:57:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 581 transitions. [2023-08-31 21:57:21,452 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5440074906367042 [2023-08-31 21:57:21,452 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 581 transitions. [2023-08-31 21:57:21,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 581 transitions. [2023-08-31 21:57:21,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:21,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 581 transitions. [2023-08-31 21:57:21,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 0 states 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 21:57:21,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:21,457 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:21,457 INFO L175 Difference]: Start difference. First operand has 54 places, 66 transitions, 267 flow. Second operand 3 states and 581 transitions. [2023-08-31 21:57:21,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 54 transitions, 239 flow [2023-08-31 21:57:21,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 209 flow, removed 11 selfloop flow, removed 4 redundant places. [2023-08-31 21:57:21,460 INFO L231 Difference]: Finished difference. Result has 47 places, 45 transitions, 135 flow [2023-08-31 21:57:21,460 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=135, PETRI_PLACES=47, PETRI_TRANSITIONS=45} [2023-08-31 21:57:21,461 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -13 predicate places. [2023-08-31 21:57:21,461 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 45 transitions, 135 flow [2023-08-31 21:57:21,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states 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 21:57:21,462 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:21,462 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:57:21,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:57:21,462 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-31 21:57:21,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:21,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1332306628, now seen corresponding path program 1 times [2023-08-31 21:57:21,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:21,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712049876] [2023-08-31 21:57:21,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:21,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:21,497 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 21:57:21,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:21,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712049876] [2023-08-31 21:57:21,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712049876] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:21,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:21,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:57:21,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674915104] [2023-08-31 21:57:21,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:21,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:57:21,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:21,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:57:21,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:57:21,522 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 356 [2023-08-31 21:57:21,522 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 45 transitions, 135 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states 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 21:57:21,523 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:21,523 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 356 [2023-08-31 21:57:21,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:21,602 INFO L130 PetriNetUnfolder]: 209/565 cut-off events. [2023-08-31 21:57:21,602 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2023-08-31 21:57:21,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1159 conditions, 565 events. 209/565 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2650 event pairs, 148 based on Foata normal form. 0/552 useless extension candidates. Maximal degree in co-relation 1153. Up to 344 conditions per place. [2023-08-31 21:57:21,604 INFO L137 encePairwiseOnDemand]: 353/356 looper letters, 26 selfloop transitions, 2 changer transitions 0/48 dead transitions. [2023-08-31 21:57:21,604 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 198 flow [2023-08-31 21:57:21,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:57:21,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:57:21,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions. [2023-08-31 21:57:21,606 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5290262172284644 [2023-08-31 21:57:21,606 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 565 transitions. [2023-08-31 21:57:21,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 565 transitions. [2023-08-31 21:57:21,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:21,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 565 transitions. [2023-08-31 21:57:21,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states 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 21:57:21,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:21,611 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:21,612 INFO L175 Difference]: Start difference. First operand has 47 places, 45 transitions, 135 flow. Second operand 3 states and 565 transitions. [2023-08-31 21:57:21,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 198 flow [2023-08-31 21:57:21,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 48 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:57:21,613 INFO L231 Difference]: Finished difference. Result has 47 places, 44 transitions, 129 flow [2023-08-31 21:57:21,614 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=129, PETRI_PLACES=47, PETRI_TRANSITIONS=44} [2023-08-31 21:57:21,614 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -13 predicate places. [2023-08-31 21:57:21,614 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 44 transitions, 129 flow [2023-08-31 21:57:21,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states 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 21:57:21,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:21,615 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:57:21,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:57:21,616 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err5ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-08-31 21:57:21,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:21,616 INFO L85 PathProgramCache]: Analyzing trace with hash 134409105, now seen corresponding path program 1 times [2023-08-31 21:57:21,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:21,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213420699] [2023-08-31 21:57:21,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:21,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:21,649 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 21:57:21,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:21,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213420699] [2023-08-31 21:57:21,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213420699] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:21,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:21,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:57:21,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498585970] [2023-08-31 21:57:21,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:21,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:57:21,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:21,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:57:21,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:57:21,676 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 356 [2023-08-31 21:57:21,677 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 44 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states 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 21:57:21,678 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:21,678 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 356 [2023-08-31 21:57:21,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:21,752 INFO L130 PetriNetUnfolder]: 285/672 cut-off events. [2023-08-31 21:57:21,752 INFO L131 PetriNetUnfolder]: For 99/99 co-relation queries the response was YES. [2023-08-31 21:57:21,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1404 conditions, 672 events. 285/672 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2953 event pairs, 215 based on Foata normal form. 0/665 useless extension candidates. Maximal degree in co-relation 1397. Up to 499 conditions per place. [2023-08-31 21:57:21,754 INFO L137 encePairwiseOnDemand]: 353/356 looper letters, 0 selfloop transitions, 0 changer transitions 47/47 dead transitions. [2023-08-31 21:57:21,754 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 47 transitions, 206 flow [2023-08-31 21:57:21,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:57:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:57:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 573 transitions. [2023-08-31 21:57:21,756 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5365168539325843 [2023-08-31 21:57:21,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 573 transitions. [2023-08-31 21:57:21,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 573 transitions. [2023-08-31 21:57:21,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:21,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 573 transitions. [2023-08-31 21:57:21,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states 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 21:57:21,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:21,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 21:57:21,761 INFO L175 Difference]: Start difference. First operand has 47 places, 44 transitions, 129 flow. Second operand 3 states and 573 transitions. [2023-08-31 21:57:21,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 47 transitions, 206 flow [2023-08-31 21:57:21,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 47 transitions, 202 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:57:21,762 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2023-08-31 21:57:21,762 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2023-08-31 21:57:21,763 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -14 predicate places. [2023-08-31 21:57:21,763 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2023-08-31 21:57:21,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states 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 21:57:21,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2023-08-31 21:57:21,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2023-08-31 21:57:21,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2023-08-31 21:57:21,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2023-08-31 21:57:21,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2023-08-31 21:57:21,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2023-08-31 21:57:21,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2023-08-31 21:57:21,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2023-08-31 21:57:21,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2023-08-31 21:57:21,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2023-08-31 21:57:21,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2023-08-31 21:57:21,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2023-08-31 21:57:21,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2023-08-31 21:57:21,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2023-08-31 21:57:21,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2023-08-31 21:57:21,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining) [2023-08-31 21:57:21,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2023-08-31 21:57:21,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 30 remaining) [2023-08-31 21:57:21,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 30 remaining) [2023-08-31 21:57:21,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2023-08-31 21:57:21,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2023-08-31 21:57:21,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2023-08-31 21:57:21,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2023-08-31 21:57:21,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2023-08-31 21:57:21,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2023-08-31 21:57:21,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2023-08-31 21:57:21,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2023-08-31 21:57:21,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2023-08-31 21:57:21,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2023-08-31 21:57:21,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2023-08-31 21:57:21,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:57:21,772 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:57:21,776 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:57:21,777 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:57:21,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:57:21 BasicIcfg [2023-08-31 21:57:21,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:57:21,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:57:21,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:57:21,780 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:57:21,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:57:14" (3/4) ... [2023-08-31 21:57:21,783 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:57:21,787 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:57:21,787 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:57:21,791 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-08-31 21:57:21,791 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-31 21:57:21,791 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:57:21,792 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:57:21,820 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:57:21,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:57:21,821 INFO L158 Benchmark]: Toolchain (without parser) took 8672.29ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 36.5MB in the beginning and 35.4MB in the end (delta: 1.1MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2023-08-31 21:57:21,821 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:57:21,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.81ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 31.1MB in the end (delta: 5.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-08-31 21:57:21,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.39ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 31.1MB in the beginning and 62.9MB in the end (delta: -31.8MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-08-31 21:57:21,822 INFO L158 Benchmark]: Boogie Preprocessor took 32.08ms. Allocated memory is still 86.0MB. Free memory was 62.9MB in the beginning and 60.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:57:21,822 INFO L158 Benchmark]: RCFGBuilder took 540.22ms. Allocated memory is still 86.0MB. Free memory was 60.7MB in the beginning and 40.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-31 21:57:21,823 INFO L158 Benchmark]: TraceAbstraction took 7467.34ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 40.2MB in the beginning and 39.7MB in the end (delta: 556.1kB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-08-31 21:57:21,823 INFO L158 Benchmark]: Witness Printer took 40.44ms. Allocated memory is still 125.8MB. Free memory was 38.6MB in the beginning and 35.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:57:21,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.81ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 31.1MB in the end (delta: 5.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.39ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 31.1MB in the beginning and 62.9MB in the end (delta: -31.8MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.08ms. Allocated memory is still 86.0MB. Free memory was 62.9MB in the beginning and 60.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.22ms. Allocated memory is still 86.0MB. Free memory was 60.7MB in the beginning and 40.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7467.34ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 40.2MB in the beginning and 39.7MB in the end (delta: 556.1kB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Witness Printer took 40.44ms. Allocated memory is still 125.8MB. Free memory was 38.6MB in the beginning and 35.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2s, 185 PlacesBefore, 60 PlacesAfterwards, 186 TransitionsBefore, 59 TransitionsAfterwards, 7052 CoEnabledTransitionPairs, 7 FixpointIterations, 73 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 155 TotalNumberOfCompositions, 20030 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8937, independent: 8511, independent conditional: 0, independent unconditional: 8511, dependent: 426, dependent conditional: 0, dependent unconditional: 426, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3666, independent: 3606, independent conditional: 0, independent unconditional: 3606, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8937, independent: 4905, independent conditional: 0, independent unconditional: 4905, dependent: 366, dependent conditional: 0, dependent unconditional: 366, unknown: 3666, unknown conditional: 0, unknown unconditional: 3666] , Statistics on independence cache: Total cache size (in pairs): 374, Positive cache size: 344, Positive conditional cache size: 0, Positive unconditional cache size: 344, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 880]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 882]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 882]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 894]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 896]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 896]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 903]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 897]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 897]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 908]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 909]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 915]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 916]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 917]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 918]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 280 locations, 30 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: 7.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 485 IncrementalHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 60 mSDtfsCounter, 485 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267occurred in iteration=4, InterpolantAutomatonStates: 20, 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:57:21,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE