./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.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 4e91816f101a416d37c086dd7185cfb4e2bfa63eb286e4a418cb94db27cf2f6f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 02:46:46,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:46:46,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:46:46,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:46:46,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:46:46,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:46:46,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:46:46,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:46:46,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:46:46,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:46:46,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:46:46,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:46:46,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:46:46,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:46:46,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:46:46,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:46:46,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:46:46,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:46:46,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:46:46,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:46:46,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:46:46,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:46:46,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:46:46,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:46:46,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:46:46,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:46:46,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:46:46,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:46:46,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:46:46,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:46:46,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:46:46,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:46:46,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:46:46,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:46:46,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:46:46,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:46:46,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:46:46,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:46:46,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:46:46,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:46:46,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:46:46,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:46:46,816 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:46:46,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:46:46,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:46:46,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:46:46,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:46:46,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:46:46,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:46:46,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:46:46,819 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:46:46,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:46:46,820 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:46:46,820 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:46:46,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:46:46,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:46:46,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:46:46,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:46:46,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:46:46,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:46:46,822 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:46:46,822 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:46:46,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:46:46,822 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:46:46,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:46:46,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:46:46,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:46:46,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:46:46,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:46:46,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:46:46,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:46:46,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:46:46,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:46:46,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:46:46,824 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:46:46,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:46:46,825 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:46:46,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:46:46,825 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:46:46,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e91816f101a416d37c086dd7185cfb4e2bfa63eb286e4a418cb94db27cf2f6f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:46:47,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:46:47,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:46:47,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:46:47,159 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:46:47,160 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:46:47,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2023-08-29 02:46:48,413 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:46:48,694 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:46:48,698 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2023-08-29 02:46:48,713 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c8420a99/2bb0c169ce3d4aa5babd0767304cd929/FLAG944e58b45 [2023-08-29 02:46:48,732 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c8420a99/2bb0c169ce3d4aa5babd0767304cd929 [2023-08-29 02:46:48,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:46:48,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:46:48,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:46:48,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:46:48,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:46:48,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:46:48" (1/1) ... [2023-08-29 02:46:48,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f7460b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:48, skipping insertion in model container [2023-08-29 02:46:48,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:46:48" (1/1) ... [2023-08-29 02:46:48,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:46:48,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:46:49,043 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2023-08-29 02:46:49,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:46:49,097 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:46:49,145 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2023-08-29 02:46:49,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:46:49,196 WARN L667 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 02:46:49,202 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:46:49,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49 WrapperNode [2023-08-29 02:46:49,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:46:49,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:46:49,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:46:49,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:46:49,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (1/1) ... [2023-08-29 02:46:49,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (1/1) ... [2023-08-29 02:46:49,275 INFO L138 Inliner]: procedures = 173, calls = 33, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 154 [2023-08-29 02:46:49,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:46:49,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:46:49,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:46:49,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:46:49,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (1/1) ... [2023-08-29 02:46:49,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (1/1) ... [2023-08-29 02:46:49,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (1/1) ... [2023-08-29 02:46:49,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (1/1) ... [2023-08-29 02:46:49,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (1/1) ... [2023-08-29 02:46:49,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (1/1) ... [2023-08-29 02:46:49,306 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (1/1) ... [2023-08-29 02:46:49,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (1/1) ... [2023-08-29 02:46:49,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:46:49,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:46:49,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:46:49,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:46:49,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (1/1) ... [2023-08-29 02:46:49,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:46:49,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:46:49,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 02:46:49,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 02:46:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:46:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:46:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:46:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:46:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:46:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 02:46:49,385 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 02:46:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:46:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:46:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:46:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:46:49,387 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 02:46:49,500 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:46:49,502 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:46:49,848 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:46:49,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:46:49,855 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-29 02:46:49,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:46:49 BoogieIcfgContainer [2023-08-29 02:46:49,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:46:49,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:46:49,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:46:49,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:46:49,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:46:48" (1/3) ... [2023-08-29 02:46:49,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb148b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:46:49, skipping insertion in model container [2023-08-29 02:46:49,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:46:49" (2/3) ... [2023-08-29 02:46:49,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb148b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:46:49, skipping insertion in model container [2023-08-29 02:46:49,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:46:49" (3/3) ... [2023-08-29 02:46:49,865 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_20-callback_racefree.i [2023-08-29 02:46:49,872 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:46:49,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:46:49,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-29 02:46:49,880 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:46:49,977 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 02:46:50,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 161 transitions, 330 flow [2023-08-29 02:46:50,190 INFO L130 PetriNetUnfolder]: 26/253 cut-off events. [2023-08-29 02:46:50,190 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 02:46:50,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 253 events. 26/253 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 762 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 127. Up to 6 conditions per place. [2023-08-29 02:46:50,196 INFO L82 GeneralOperation]: Start removeDead. Operand has 149 places, 161 transitions, 330 flow [2023-08-29 02:46:50,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 149 places, 161 transitions, 330 flow [2023-08-29 02:46:50,217 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:46:50,236 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 161 transitions, 330 flow [2023-08-29 02:46:50,239 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 161 transitions, 330 flow [2023-08-29 02:46:50,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 161 transitions, 330 flow [2023-08-29 02:46:50,300 INFO L130 PetriNetUnfolder]: 26/253 cut-off events. [2023-08-29 02:46:50,300 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 02:46:50,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 253 events. 26/253 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 762 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 127. Up to 6 conditions per place. [2023-08-29 02:46:50,308 INFO L119 LiptonReduction]: Number of co-enabled transitions 4312 [2023-08-29 02:46:53,769 INFO L134 LiptonReduction]: Checked pairs total: 9251 [2023-08-29 02:46:53,769 INFO L136 LiptonReduction]: Total number of compositions: 129 [2023-08-29 02:46:53,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:46:53,787 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;@1f4b7153, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:46:53,787 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-29 02:46:53,791 INFO L130 PetriNetUnfolder]: 2/11 cut-off events. [2023-08-29 02:46:53,791 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:46:53,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:46:53,792 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 02:46:53,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-08-29 02:46:53,796 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:46:53,797 INFO L85 PathProgramCache]: Analyzing trace with hash 17557435, now seen corresponding path program 1 times [2023-08-29 02:46:53,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:46:53,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828460288] [2023-08-29 02:46:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:46:53,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:46:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:46:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:46:54,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:46:54,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828460288] [2023-08-29 02:46:54,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828460288] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:46:54,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:46:54,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:46:54,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453769372] [2023-08-29 02:46:54,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:46:54,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:46:54,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:46:54,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:46:54,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:46:54,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 290 [2023-08-29 02:46:54,077 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 50 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,078 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:46:54,078 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 290 [2023-08-29 02:46:54,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:46:54,178 INFO L130 PetriNetUnfolder]: 97/274 cut-off events. [2023-08-29 02:46:54,179 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 02:46:54,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 274 events. 97/274 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1161 event pairs, 0 based on Foata normal form. 30/272 useless extension candidates. Maximal degree in co-relation 465. Up to 204 conditions per place. [2023-08-29 02:46:54,184 INFO L137 encePairwiseOnDemand]: 278/290 looper letters, 30 selfloop transitions, 2 changer transitions 2/47 dead transitions. [2023-08-29 02:46:54,185 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 47 transitions, 170 flow [2023-08-29 02:46:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:46:54,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:46:54,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2023-08-29 02:46:54,208 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.542528735632184 [2023-08-29 02:46:54,210 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 472 transitions. [2023-08-29 02:46:54,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 472 transitions. [2023-08-29 02:46:54,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:46:54,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 472 transitions. [2023-08-29 02:46:54,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,228 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,230 INFO L175 Difference]: Start difference. First operand has 42 places, 50 transitions, 108 flow. Second operand 3 states and 472 transitions. [2023-08-29 02:46:54,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 47 transitions, 170 flow [2023-08-29 02:46:54,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 47 transitions, 170 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:46:54,236 INFO L231 Difference]: Finished difference. Result has 44 places, 39 transitions, 91 flow [2023-08-29 02:46:54,238 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=91, PETRI_PLACES=44, PETRI_TRANSITIONS=39} [2023-08-29 02:46:54,241 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 2 predicate places. [2023-08-29 02:46:54,242 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 39 transitions, 91 flow [2023-08-29 02:46:54,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,243 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:46:54,243 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:46:54,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:46:54,243 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-08-29 02:46:54,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:46:54,244 INFO L85 PathProgramCache]: Analyzing trace with hash -823039023, now seen corresponding path program 1 times [2023-08-29 02:46:54,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:46:54,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149219257] [2023-08-29 02:46:54,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:46:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:46:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:46:54,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:46:54,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:46:54,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149219257] [2023-08-29 02:46:54,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149219257] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:46:54,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:46:54,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:46:54,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883080032] [2023-08-29 02:46:54,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:46:54,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:46:54,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:46:54,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:46:54,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:46:54,333 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 290 [2023-08-29 02:46:54,334 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 39 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 137.0) internal successors, (411), 3 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,335 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:46:54,335 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 290 [2023-08-29 02:46:54,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:46:54,436 INFO L130 PetriNetUnfolder]: 200/460 cut-off events. [2023-08-29 02:46:54,436 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-29 02:46:54,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 460 events. 200/460 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1827 event pairs, 48 based on Foata normal form. 0/408 useless extension candidates. Maximal degree in co-relation 901. Up to 251 conditions per place. [2023-08-29 02:46:54,438 INFO L137 encePairwiseOnDemand]: 281/290 looper letters, 43 selfloop transitions, 6 changer transitions 5/59 dead transitions. [2023-08-29 02:46:54,439 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 59 transitions, 242 flow [2023-08-29 02:46:54,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:46:54,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:46:54,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 461 transitions. [2023-08-29 02:46:54,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5298850574712644 [2023-08-29 02:46:54,441 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 461 transitions. [2023-08-29 02:46:54,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 461 transitions. [2023-08-29 02:46:54,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:46:54,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 461 transitions. [2023-08-29 02:46:54,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,447 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,448 INFO L175 Difference]: Start difference. First operand has 44 places, 39 transitions, 91 flow. Second operand 3 states and 461 transitions. [2023-08-29 02:46:54,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 59 transitions, 242 flow [2023-08-29 02:46:54,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 59 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:46:54,450 INFO L231 Difference]: Finished difference. Result has 43 places, 40 transitions, 121 flow [2023-08-29 02:46:54,450 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=121, PETRI_PLACES=43, PETRI_TRANSITIONS=40} [2023-08-29 02:46:54,451 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 1 predicate places. [2023-08-29 02:46:54,451 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 40 transitions, 121 flow [2023-08-29 02:46:54,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.0) internal successors, (411), 3 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,452 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:46:54,452 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:46:54,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:46:54,452 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-08-29 02:46:54,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:46:54,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1830961427, now seen corresponding path program 1 times [2023-08-29 02:46:54,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:46:54,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763907655] [2023-08-29 02:46:54,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:46:54,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:46:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:46:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:46:54,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:46:54,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763907655] [2023-08-29 02:46:54,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763907655] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 02:46:54,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104988865] [2023-08-29 02:46:54,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:46:54,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:46:54,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:46:54,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 02:46:54,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 02:46:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:46:54,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-29 02:46:54,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 02:46:54,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 02:46:54,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 02:46:54,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104988865] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:46:54,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 02:46:54,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-08-29 02:46:54,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298790850] [2023-08-29 02:46:54,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:46:54,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:46:54,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:46:54,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:46:54,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 02:46:54,706 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 290 [2023-08-29 02:46:54,707 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 40 transitions, 121 flow. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,707 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:46:54,707 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 290 [2023-08-29 02:46:54,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:46:54,791 INFO L130 PetriNetUnfolder]: 167/412 cut-off events. [2023-08-29 02:46:54,792 INFO L131 PetriNetUnfolder]: For 101/101 co-relation queries the response was YES. [2023-08-29 02:46:54,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 412 events. 167/412 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1675 event pairs, 110 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 908. Up to 329 conditions per place. [2023-08-29 02:46:54,794 INFO L137 encePairwiseOnDemand]: 285/290 looper letters, 35 selfloop transitions, 4 changer transitions 0/47 dead transitions. [2023-08-29 02:46:54,794 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 47 transitions, 217 flow [2023-08-29 02:46:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:46:54,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:46:54,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2023-08-29 02:46:54,796 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5114942528735632 [2023-08-29 02:46:54,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 445 transitions. [2023-08-29 02:46:54,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 445 transitions. [2023-08-29 02:46:54,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:46:54,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 445 transitions. [2023-08-29 02:46:54,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,800 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 290.0) internal successors, (1160), 4 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,801 INFO L175 Difference]: Start difference. First operand has 43 places, 40 transitions, 121 flow. Second operand 3 states and 445 transitions. [2023-08-29 02:46:54,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 47 transitions, 217 flow [2023-08-29 02:46:54,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 47 transitions, 203 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:46:54,804 INFO L231 Difference]: Finished difference. Result has 44 places, 43 transitions, 141 flow [2023-08-29 02:46:54,804 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=44, PETRI_TRANSITIONS=43} [2023-08-29 02:46:54,804 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 2 predicate places. [2023-08-29 02:46:54,805 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 43 transitions, 141 flow [2023-08-29 02:46:54,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:54,805 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:46:54,806 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:46:54,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-29 02:46:55,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:46:55,011 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-08-29 02:46:55,011 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:46:55,012 INFO L85 PathProgramCache]: Analyzing trace with hash -493462444, now seen corresponding path program 1 times [2023-08-29 02:46:55,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:46:55,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590098110] [2023-08-29 02:46:55,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:46:55,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:46:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:46:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:46:55,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:46:55,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590098110] [2023-08-29 02:46:55,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590098110] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 02:46:55,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890972882] [2023-08-29 02:46:55,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:46:55,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:46:55,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:46:55,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 02:46:55,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 02:46:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:46:55,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-29 02:46:55,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 02:46:55,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:46:55,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 02:46:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:46:55,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890972882] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 02:46:55,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 02:46:55,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-08-29 02:46:55,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974755860] [2023-08-29 02:46:55,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 02:46:55,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 02:46:55,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:46:55,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 02:46:55,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-08-29 02:46:55,336 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 290 [2023-08-29 02:46:55,337 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 43 transitions, 141 flow. Second operand has 7 states, 7 states have (on average 144.14285714285714) internal successors, (1009), 7 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:55,337 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:46:55,338 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 290 [2023-08-29 02:46:55,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:46:55,362 INFO L130 PetriNetUnfolder]: 10/34 cut-off events. [2023-08-29 02:46:55,362 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2023-08-29 02:46:55,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 34 events. 10/34 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 4 based on Foata normal form. 6/40 useless extension candidates. Maximal degree in co-relation 81. Up to 22 conditions per place. [2023-08-29 02:46:55,362 INFO L137 encePairwiseOnDemand]: 287/290 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2023-08-29 02:46:55,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 17 transitions, 79 flow [2023-08-29 02:46:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 02:46:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 02:46:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 580 transitions. [2023-08-29 02:46:55,365 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2023-08-29 02:46:55,365 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 580 transitions. [2023-08-29 02:46:55,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 580 transitions. [2023-08-29 02:46:55,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:46:55,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 580 transitions. [2023-08-29 02:46:55,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:55,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 290.0) internal successors, (1450), 5 states have internal predecessors, (1450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:55,370 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 290.0) internal successors, (1450), 5 states have internal predecessors, (1450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:55,370 INFO L175 Difference]: Start difference. First operand has 44 places, 43 transitions, 141 flow. Second operand 4 states and 580 transitions. [2023-08-29 02:46:55,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 17 transitions, 79 flow [2023-08-29 02:46:55,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 17 transitions, 67 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-08-29 02:46:55,371 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2023-08-29 02:46:55,371 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=25, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2023-08-29 02:46:55,373 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -24 predicate places. [2023-08-29 02:46:55,373 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2023-08-29 02:46:55,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 144.14285714285714) internal successors, (1009), 7 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:46:55,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-08-29 02:46:55,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-08-29 02:46:55,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2023-08-29 02:46:55,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-08-29 02:46:55,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-08-29 02:46:55,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-08-29 02:46:55,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-08-29 02:46:55,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-29 02:46:55,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-08-29 02:46:55,583 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 02:46:55,585 INFO L307 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2023-08-29 02:46:55,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 161 transitions, 330 flow [2023-08-29 02:46:55,614 INFO L130 PetriNetUnfolder]: 26/253 cut-off events. [2023-08-29 02:46:55,614 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 02:46:55,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 253 events. 26/253 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 762 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 127. Up to 6 conditions per place. [2023-08-29 02:46:55,615 INFO L82 GeneralOperation]: Start removeDead. Operand has 149 places, 161 transitions, 330 flow [2023-08-29 02:46:55,617 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 156 transitions, 317 flow [2023-08-29 02:46:55,617 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:46:55,617 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 156 transitions, 317 flow [2023-08-29 02:46:55,618 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 156 transitions, 317 flow [2023-08-29 02:46:55,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 156 transitions, 317 flow [2023-08-29 02:46:55,640 INFO L130 PetriNetUnfolder]: 25/248 cut-off events. [2023-08-29 02:46:55,641 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:46:55,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 248 events. 25/248 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 715 event pairs, 0 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 127. Up to 6 conditions per place. [2023-08-29 02:46:55,644 INFO L119 LiptonReduction]: Number of co-enabled transitions 4312 [2023-08-29 02:46:58,512 INFO L134 LiptonReduction]: Checked pairs total: 9074 [2023-08-29 02:46:58,513 INFO L136 LiptonReduction]: Total number of compositions: 128 [2023-08-29 02:46:58,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-29 02:46:58,515 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;@1f4b7153, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:46:58,516 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-29 02:46:58,518 INFO L130 PetriNetUnfolder]: 3/21 cut-off events. [2023-08-29 02:46:58,518 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:46:58,518 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:46:58,519 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-08-29 02:46:58,519 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-29 02:46:58,519 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:46:58,520 INFO L85 PathProgramCache]: Analyzing trace with hash -818480241, now seen corresponding path program 1 times [2023-08-29 02:46:58,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:46:58,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924707905] [2023-08-29 02:46:58,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:46:58,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:46:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:46:58,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 02:46:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:46:58,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 02:46:58,560 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 02:46:58,560 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-29 02:46:58,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 02:46:58,560 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 02:46:58,561 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2023-08-29 02:46:58,562 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 02:46:58,562 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-08-29 02:46:58,577 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 02:46:58,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 171 places, 185 transitions, 388 flow [2023-08-29 02:46:58,616 INFO L130 PetriNetUnfolder]: 43/399 cut-off events. [2023-08-29 02:46:58,616 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-29 02:46:58,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 399 events. 43/399 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1547 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 255. Up to 9 conditions per place. [2023-08-29 02:46:58,618 INFO L82 GeneralOperation]: Start removeDead. Operand has 171 places, 185 transitions, 388 flow [2023-08-29 02:46:58,620 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 171 places, 185 transitions, 388 flow [2023-08-29 02:46:58,621 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:46:58,621 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 185 transitions, 388 flow [2023-08-29 02:46:58,621 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 185 transitions, 388 flow [2023-08-29 02:46:58,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 171 places, 185 transitions, 388 flow [2023-08-29 02:46:58,658 INFO L130 PetriNetUnfolder]: 43/399 cut-off events. [2023-08-29 02:46:58,658 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-29 02:46:58,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 399 events. 43/399 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1547 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 255. Up to 9 conditions per place. [2023-08-29 02:46:58,667 INFO L119 LiptonReduction]: Number of co-enabled transitions 10076 [2023-08-29 02:47:01,522 INFO L134 LiptonReduction]: Checked pairs total: 24667 [2023-08-29 02:47:01,522 INFO L136 LiptonReduction]: Total number of compositions: 142 [2023-08-29 02:47:01,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:47:01,525 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;@1f4b7153, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:47:01,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-29 02:47:01,527 INFO L130 PetriNetUnfolder]: 2/11 cut-off events. [2023-08-29 02:47:01,527 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:47:01,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:01,527 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 02:47:01,527 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 02:47:01,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:01,528 INFO L85 PathProgramCache]: Analyzing trace with hash 32302884, now seen corresponding path program 1 times [2023-08-29 02:47:01,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:01,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009550450] [2023-08-29 02:47:01,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:01,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:01,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:47:01,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009550450] [2023-08-29 02:47:01,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009550450] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:47:01,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:47:01,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:47:01,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287189393] [2023-08-29 02:47:01,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:47:01,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:47:01,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:47:01,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:47:01,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:47:01,581 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 327 [2023-08-29 02:47:01,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 66 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:01,582 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:47:01,582 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 327 [2023-08-29 02:47:01,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:47:01,869 INFO L130 PetriNetUnfolder]: 1477/2946 cut-off events. [2023-08-29 02:47:01,869 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2023-08-29 02:47:01,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5398 conditions, 2946 events. 1477/2946 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 19578 event pairs, 615 based on Foata normal form. 225/2692 useless extension candidates. Maximal degree in co-relation 919. Up to 2388 conditions per place. [2023-08-29 02:47:01,882 INFO L137 encePairwiseOnDemand]: 312/327 looper letters, 42 selfloop transitions, 2 changer transitions 0/62 dead transitions. [2023-08-29 02:47:01,883 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 62 transitions, 230 flow [2023-08-29 02:47:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:47:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:47:01,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2023-08-29 02:47:01,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5504587155963303 [2023-08-29 02:47:01,885 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 540 transitions. [2023-08-29 02:47:01,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 540 transitions. [2023-08-29 02:47:01,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:47:01,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 540 transitions. [2023-08-29 02:47:01,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:01,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 327.0) internal successors, (1308), 4 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:01,889 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 327.0) internal successors, (1308), 4 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:01,889 INFO L175 Difference]: Start difference. First operand has 56 places, 66 transitions, 150 flow. Second operand 3 states and 540 transitions. [2023-08-29 02:47:01,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 62 transitions, 230 flow [2023-08-29 02:47:01,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 62 transitions, 230 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:47:01,893 INFO L231 Difference]: Finished difference. Result has 58 places, 55 transitions, 138 flow [2023-08-29 02:47:01,894 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=58, PETRI_TRANSITIONS=55} [2023-08-29 02:47:01,895 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 2 predicate places. [2023-08-29 02:47:01,896 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 55 transitions, 138 flow [2023-08-29 02:47:01,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:01,896 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:01,896 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:47:01,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 02:47:01,897 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 02:47:01,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:01,897 INFO L85 PathProgramCache]: Analyzing trace with hash 246192396, now seen corresponding path program 1 times [2023-08-29 02:47:01,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:01,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509390554] [2023-08-29 02:47:01,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:01,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:01,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:47:01,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509390554] [2023-08-29 02:47:01,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509390554] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:47:01,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:47:01,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:47:01,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381247652] [2023-08-29 02:47:01,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:47:01,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:47:01,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:47:01,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:47:01,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:47:01,952 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 327 [2023-08-29 02:47:01,953 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 55 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:01,953 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:47:01,953 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 327 [2023-08-29 02:47:01,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:47:02,662 INFO L130 PetriNetUnfolder]: 5115/8604 cut-off events. [2023-08-29 02:47:02,662 INFO L131 PetriNetUnfolder]: For 238/238 co-relation queries the response was YES. [2023-08-29 02:47:02,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17091 conditions, 8604 events. 5115/8604 cut-off events. For 238/238 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 52091 event pairs, 1741 based on Foata normal form. 0/7462 useless extension candidates. Maximal degree in co-relation 17023. Up to 5196 conditions per place. [2023-08-29 02:47:02,737 INFO L137 encePairwiseOnDemand]: 315/327 looper letters, 74 selfloop transitions, 8 changer transitions 1/89 dead transitions. [2023-08-29 02:47:02,737 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 89 transitions, 388 flow [2023-08-29 02:47:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:47:02,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:47:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 534 transitions. [2023-08-29 02:47:02,740 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5443425076452599 [2023-08-29 02:47:02,740 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 534 transitions. [2023-08-29 02:47:02,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 534 transitions. [2023-08-29 02:47:02,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:47:02,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 534 transitions. [2023-08-29 02:47:02,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-08-29 02:47:02,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 327.0) internal successors, (1308), 4 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:02,745 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 327.0) internal successors, (1308), 4 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:02,745 INFO L175 Difference]: Start difference. First operand has 58 places, 55 transitions, 138 flow. Second operand 3 states and 534 transitions. [2023-08-29 02:47:02,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 89 transitions, 388 flow [2023-08-29 02:47:02,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 89 transitions, 385 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:47:02,750 INFO L231 Difference]: Finished difference. Result has 59 places, 58 transitions, 186 flow [2023-08-29 02:47:02,750 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=59, PETRI_TRANSITIONS=58} [2023-08-29 02:47:02,752 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 3 predicate places. [2023-08-29 02:47:02,752 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 58 transitions, 186 flow [2023-08-29 02:47:02,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:02,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:02,753 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:47:02,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 02:47:02,753 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 02:47:02,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:02,754 INFO L85 PathProgramCache]: Analyzing trace with hash 878577815, now seen corresponding path program 1 times [2023-08-29 02:47:02,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:02,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771083929] [2023-08-29 02:47:02,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:02,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:02,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:47:02,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771083929] [2023-08-29 02:47:02,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771083929] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 02:47:02,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311281131] [2023-08-29 02:47:02,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:02,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:47:02,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:47:02,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 02:47:02,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-29 02:47:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:02,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-29 02:47:02,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 02:47:02,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 02:47:02,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 02:47:02,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311281131] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:47:02,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 02:47:02,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-08-29 02:47:02,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683963491] [2023-08-29 02:47:02,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:47:02,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:47:02,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:47:02,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:47:02,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 02:47:02,936 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 327 [2023-08-29 02:47:02,937 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 58 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:02,937 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:47:02,937 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 327 [2023-08-29 02:47:02,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:47:03,594 INFO L130 PetriNetUnfolder]: 4351/7686 cut-off events. [2023-08-29 02:47:03,594 INFO L131 PetriNetUnfolder]: For 1841/1869 co-relation queries the response was YES. [2023-08-29 02:47:03,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17056 conditions, 7686 events. 4351/7686 cut-off events. For 1841/1869 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 49200 event pairs, 3041 based on Foata normal form. 0/6659 useless extension candidates. Maximal degree in co-relation 6794. Up to 6349 conditions per place. [2023-08-29 02:47:03,636 INFO L137 encePairwiseOnDemand]: 321/327 looper letters, 56 selfloop transitions, 7 changer transitions 0/75 dead transitions. [2023-08-29 02:47:03,636 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 75 transitions, 358 flow [2023-08-29 02:47:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:47:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:47:03,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 516 transitions. [2023-08-29 02:47:03,638 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5259938837920489 [2023-08-29 02:47:03,638 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 516 transitions. [2023-08-29 02:47:03,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 516 transitions. [2023-08-29 02:47:03,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:47:03,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 516 transitions. [2023-08-29 02:47:03,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:03,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 327.0) internal successors, (1308), 4 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:03,642 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 327.0) internal successors, (1308), 4 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:03,642 INFO L175 Difference]: Start difference. First operand has 59 places, 58 transitions, 186 flow. Second operand 3 states and 516 transitions. [2023-08-29 02:47:03,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 75 transitions, 358 flow [2023-08-29 02:47:03,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 75 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 02:47:03,649 INFO L231 Difference]: Finished difference. Result has 59 places, 64 transitions, 230 flow [2023-08-29 02:47:03,650 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=59, PETRI_TRANSITIONS=64} [2023-08-29 02:47:03,650 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 3 predicate places. [2023-08-29 02:47:03,650 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 64 transitions, 230 flow [2023-08-29 02:47:03,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:03,651 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:03,651 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:47:03,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-29 02:47:03,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:47:03,856 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 02:47:03,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:03,857 INFO L85 PathProgramCache]: Analyzing trace with hash 919540963, now seen corresponding path program 1 times [2023-08-29 02:47:03,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:03,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387971616] [2023-08-29 02:47:03,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:03,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:03,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:47:03,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387971616] [2023-08-29 02:47:03,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387971616] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 02:47:03,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336082860] [2023-08-29 02:47:03,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:03,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:47:03,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:47:03,922 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 02:47:03,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-29 02:47:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:03,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-29 02:47:03,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 02:47:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:04,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 02:47:04,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:04,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336082860] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 02:47:04,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 02:47:04,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-08-29 02:47:04,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201908456] [2023-08-29 02:47:04,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 02:47:04,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 02:47:04,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:47:04,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 02:47:04,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-08-29 02:47:04,052 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 327 [2023-08-29 02:47:04,053 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 64 transitions, 230 flow. Second operand has 7 states, 7 states have (on average 162.14285714285714) internal successors, (1135), 7 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:04,053 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:47:04,053 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 327 [2023-08-29 02:47:04,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:47:04,135 INFO L130 PetriNetUnfolder]: 216/413 cut-off events. [2023-08-29 02:47:04,135 INFO L131 PetriNetUnfolder]: For 83/86 co-relation queries the response was YES. [2023-08-29 02:47:04,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 914 conditions, 413 events. 216/413 cut-off events. For 83/86 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1846 event pairs, 32 based on Foata normal form. 59/442 useless extension candidates. Maximal degree in co-relation 906. Up to 266 conditions per place. [2023-08-29 02:47:04,137 INFO L137 encePairwiseOnDemand]: 324/327 looper letters, 0 selfloop transitions, 0 changer transitions 43/43 dead transitions. [2023-08-29 02:47:04,137 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 43 transitions, 191 flow [2023-08-29 02:47:04,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 02:47:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 02:47:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 833 transitions. [2023-08-29 02:47:04,140 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5094801223241591 [2023-08-29 02:47:04,140 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 833 transitions. [2023-08-29 02:47:04,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 833 transitions. [2023-08-29 02:47:04,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:47:04,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 833 transitions. [2023-08-29 02:47:04,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 166.6) internal successors, (833), 5 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:04,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 327.0) internal successors, (1962), 6 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:04,145 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 327.0) internal successors, (1962), 6 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:04,146 INFO L175 Difference]: Start difference. First operand has 59 places, 64 transitions, 230 flow. Second operand 5 states and 833 transitions. [2023-08-29 02:47:04,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 43 transitions, 191 flow [2023-08-29 02:47:04,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 43 transitions, 183 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-29 02:47:04,147 INFO L231 Difference]: Finished difference. Result has 34 places, 0 transitions, 0 flow [2023-08-29 02:47:04,147 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=34, PETRI_TRANSITIONS=0} [2023-08-29 02:47:04,148 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -22 predicate places. [2023-08-29 02:47:04,148 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 0 transitions, 0 flow [2023-08-29 02:47:04,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 162.14285714285714) internal successors, (1135), 7 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:04,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-08-29 02:47:04,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-08-29 02:47:04,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-08-29 02:47:04,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2023-08-29 02:47:04,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-08-29 02:47:04,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-08-29 02:47:04,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-08-29 02:47:04,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-08-29 02:47:04,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-29 02:47:04,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:47:04,357 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 02:47:04,358 INFO L307 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2023-08-29 02:47:04,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 171 places, 185 transitions, 388 flow [2023-08-29 02:47:04,397 INFO L130 PetriNetUnfolder]: 43/399 cut-off events. [2023-08-29 02:47:04,398 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-29 02:47:04,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 399 events. 43/399 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1547 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 255. Up to 9 conditions per place. [2023-08-29 02:47:04,400 INFO L82 GeneralOperation]: Start removeDead. Operand has 171 places, 185 transitions, 388 flow [2023-08-29 02:47:04,402 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 171 places, 185 transitions, 388 flow [2023-08-29 02:47:04,402 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:47:04,402 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 185 transitions, 388 flow [2023-08-29 02:47:04,402 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 185 transitions, 388 flow [2023-08-29 02:47:04,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 171 places, 185 transitions, 388 flow [2023-08-29 02:47:04,436 INFO L130 PetriNetUnfolder]: 43/399 cut-off events. [2023-08-29 02:47:04,437 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-29 02:47:04,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 399 events. 43/399 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1547 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 255. Up to 9 conditions per place. [2023-08-29 02:47:04,445 INFO L119 LiptonReduction]: Number of co-enabled transitions 10076 [2023-08-29 02:47:07,461 INFO L134 LiptonReduction]: Checked pairs total: 24667 [2023-08-29 02:47:07,461 INFO L136 LiptonReduction]: Total number of compositions: 142 [2023-08-29 02:47:07,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-29 02:47:07,463 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;@1f4b7153, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:47:07,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-29 02:47:07,469 INFO L130 PetriNetUnfolder]: 17/84 cut-off events. [2023-08-29 02:47:07,469 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 02:47:07,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:07,473 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-08-29 02:47:07,473 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-29 02:47:07,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:07,474 INFO L85 PathProgramCache]: Analyzing trace with hash -2057641778, now seen corresponding path program 1 times [2023-08-29 02:47:07,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:07,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759853971] [2023-08-29 02:47:07,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:07,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:47:07,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 02:47:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:47:07,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 02:47:07,515 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 02:47:07,515 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-29 02:47:07,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 02:47:07,515 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 02:47:07,516 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2023-08-29 02:47:07,516 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 02:47:07,516 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-08-29 02:47:07,537 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 02:47:07,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:07,587 INFO L130 PetriNetUnfolder]: 65/588 cut-off events. [2023-08-29 02:47:07,587 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2023-08-29 02:47:07,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 588 events. 65/588 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2592 event pairs, 1 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 407. Up to 16 conditions per place. [2023-08-29 02:47:07,592 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:07,594 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:07,595 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:47:07,595 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:07,595 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:07,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:07,640 INFO L130 PetriNetUnfolder]: 65/588 cut-off events. [2023-08-29 02:47:07,640 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2023-08-29 02:47:07,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 588 events. 65/588 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2592 event pairs, 1 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 407. Up to 16 conditions per place. [2023-08-29 02:47:07,658 INFO L119 LiptonReduction]: Number of co-enabled transitions 16764 [2023-08-29 02:47:10,546 INFO L134 LiptonReduction]: Checked pairs total: 40060 [2023-08-29 02:47:10,546 INFO L136 LiptonReduction]: Total number of compositions: 158 [2023-08-29 02:47:10,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:47:10,548 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;@1f4b7153, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:47:10,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-08-29 02:47:10,549 INFO L130 PetriNetUnfolder]: 2/9 cut-off events. [2023-08-29 02:47:10,549 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:47:10,550 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:10,550 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 02:47:10,550 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 02:47:10,550 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:10,550 INFO L85 PathProgramCache]: Analyzing trace with hash 48706640, now seen corresponding path program 1 times [2023-08-29 02:47:10,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:10,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775994883] [2023-08-29 02:47:10,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:10,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:10,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:47:10,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775994883] [2023-08-29 02:47:10,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775994883] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:47:10,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:47:10,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:47:10,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738484735] [2023-08-29 02:47:10,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:47:10,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:47:10,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:47:10,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:47:10,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:47:10,596 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 367 [2023-08-29 02:47:10,597 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 80 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:10,597 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:47:10,597 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 367 [2023-08-29 02:47:10,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:47:12,217 INFO L130 PetriNetUnfolder]: 13695/21877 cut-off events. [2023-08-29 02:47:12,217 INFO L131 PetriNetUnfolder]: For 551/551 co-relation queries the response was YES. [2023-08-29 02:47:12,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41702 conditions, 21877 events. 13695/21877 cut-off events. For 551/551 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 157873 event pairs, 8471 based on Foata normal form. 3807/23025 useless extension candidates. Maximal degree in co-relation 5212. Up to 19416 conditions per place. [2023-08-29 02:47:12,348 INFO L137 encePairwiseOnDemand]: 349/367 looper letters, 48 selfloop transitions, 2 changer transitions 0/71 dead transitions. [2023-08-29 02:47:12,348 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 71 transitions, 272 flow [2023-08-29 02:47:12,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:47:12,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:47:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 603 transitions. [2023-08-29 02:47:12,350 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.547683923705722 [2023-08-29 02:47:12,350 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 603 transitions. [2023-08-29 02:47:12,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 603 transitions. [2023-08-29 02:47:12,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:47:12,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 603 transitions. [2023-08-29 02:47:12,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 201.0) internal successors, (603), 3 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:12,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:12,354 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:12,354 INFO L175 Difference]: Start difference. First operand has 68 places, 80 transitions, 190 flow. Second operand 3 states and 603 transitions. [2023-08-29 02:47:12,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 71 transitions, 272 flow [2023-08-29 02:47:12,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 71 transitions, 272 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:47:12,357 INFO L231 Difference]: Finished difference. Result has 69 places, 65 transitions, 170 flow [2023-08-29 02:47:12,357 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2023-08-29 02:47:12,358 INFO L281 CegarLoopForPetriNet]: 68 programPoint places, 1 predicate places. [2023-08-29 02:47:12,358 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 65 transitions, 170 flow [2023-08-29 02:47:12,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:12,359 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:12,359 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:47:12,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 02:47:12,359 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 02:47:12,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:12,359 INFO L85 PathProgramCache]: Analyzing trace with hash -589055651, now seen corresponding path program 1 times [2023-08-29 02:47:12,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:12,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776287235] [2023-08-29 02:47:12,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:12,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:12,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:12,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:47:12,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776287235] [2023-08-29 02:47:12,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776287235] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:47:12,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:47:12,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:47:12,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27591139] [2023-08-29 02:47:12,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:47:12,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:47:12,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:47:12,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:47:12,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:47:12,404 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 367 [2023-08-29 02:47:12,404 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:12,404 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:47:12,404 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 367 [2023-08-29 02:47:12,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:47:16,780 INFO L130 PetriNetUnfolder]: 51390/75624 cut-off events. [2023-08-29 02:47:16,780 INFO L131 PetriNetUnfolder]: For 1994/1994 co-relation queries the response was YES. [2023-08-29 02:47:16,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150472 conditions, 75624 events. 51390/75624 cut-off events. For 1994/1994 co-relation queries the response was YES. Maximal size of possible extension queue 1236. Compared 523330 event pairs, 20510 based on Foata normal form. 0/66440 useless extension candidates. Maximal degree in co-relation 150414. Up to 48698 conditions per place. [2023-08-29 02:47:17,426 INFO L137 encePairwiseOnDemand]: 352/367 looper letters, 85 selfloop transitions, 10 changer transitions 1/105 dead transitions. [2023-08-29 02:47:17,426 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 105 transitions, 468 flow [2023-08-29 02:47:17,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:47:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:47:17,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 593 transitions. [2023-08-29 02:47:17,429 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5386012715712988 [2023-08-29 02:47:17,429 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 593 transitions. [2023-08-29 02:47:17,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 593 transitions. [2023-08-29 02:47:17,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:47:17,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 593 transitions. [2023-08-29 02:47:17,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:17,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:17,433 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:17,433 INFO L175 Difference]: Start difference. First operand has 69 places, 65 transitions, 170 flow. Second operand 3 states and 593 transitions. [2023-08-29 02:47:17,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 105 transitions, 468 flow [2023-08-29 02:47:17,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 105 transitions, 465 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:47:17,444 INFO L231 Difference]: Finished difference. Result has 70 places, 70 transitions, 234 flow [2023-08-29 02:47:17,445 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=70, PETRI_TRANSITIONS=70} [2023-08-29 02:47:17,446 INFO L281 CegarLoopForPetriNet]: 68 programPoint places, 2 predicate places. [2023-08-29 02:47:17,446 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 70 transitions, 234 flow [2023-08-29 02:47:17,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:17,446 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:17,446 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:47:17,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 02:47:17,447 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 02:47:17,447 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:17,447 INFO L85 PathProgramCache]: Analyzing trace with hash -2014683232, now seen corresponding path program 1 times [2023-08-29 02:47:17,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:17,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951979182] [2023-08-29 02:47:17,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:17,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:17,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:47:17,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951979182] [2023-08-29 02:47:17,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951979182] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 02:47:17,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187200247] [2023-08-29 02:47:17,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:17,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:47:17,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:47:17,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 02:47:17,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-29 02:47:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:17,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-29 02:47:17,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 02:47:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 02:47:17,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 02:47:17,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187200247] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:47:17,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 02:47:17,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-08-29 02:47:17,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162553716] [2023-08-29 02:47:17,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:47:17,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:47:17,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:47:17,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:47:17,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 02:47:17,595 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 367 [2023-08-29 02:47:17,596 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 70 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:17,596 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:47:17,596 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 367 [2023-08-29 02:47:17,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:47:21,898 INFO L130 PetriNetUnfolder]: 42539/65299 cut-off events. [2023-08-29 02:47:21,898 INFO L131 PetriNetUnfolder]: For 19197/19209 co-relation queries the response was YES. [2023-08-29 02:47:22,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147349 conditions, 65299 events. 42539/65299 cut-off events. For 19197/19209 co-relation queries the response was YES. Maximal size of possible extension queue 1410. Compared 493832 event pairs, 29553 based on Foata normal form. 4/56672 useless extension candidates. Maximal degree in co-relation 33433. Up to 54851 conditions per place. [2023-08-29 02:47:22,244 INFO L137 encePairwiseOnDemand]: 360/367 looper letters, 64 selfloop transitions, 9 changer transitions 0/91 dead transitions. [2023-08-29 02:47:22,244 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 91 transitions, 440 flow [2023-08-29 02:47:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:47:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:47:22,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2023-08-29 02:47:22,246 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.522252497729337 [2023-08-29 02:47:22,247 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 575 transitions. [2023-08-29 02:47:22,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 575 transitions. [2023-08-29 02:47:22,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:47:22,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 575 transitions. [2023-08-29 02:47:22,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:22,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:22,250 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:22,250 INFO L175 Difference]: Start difference. First operand has 70 places, 70 transitions, 234 flow. Second operand 3 states and 575 transitions. [2023-08-29 02:47:22,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 91 transitions, 440 flow [2023-08-29 02:47:22,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 91 transitions, 412 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 02:47:22,283 INFO L231 Difference]: Finished difference. Result has 70 places, 78 transitions, 294 flow [2023-08-29 02:47:22,284 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=294, PETRI_PLACES=70, PETRI_TRANSITIONS=78} [2023-08-29 02:47:22,284 INFO L281 CegarLoopForPetriNet]: 68 programPoint places, 2 predicate places. [2023-08-29 02:47:22,284 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 78 transitions, 294 flow [2023-08-29 02:47:22,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:22,285 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:22,285 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:47:22,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-08-29 02:47:22,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-08-29 02:47:22,489 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 02:47:22,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:22,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1414527807, now seen corresponding path program 1 times [2023-08-29 02:47:22,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:22,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002921355] [2023-08-29 02:47:22,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:22,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:22,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:22,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:47:22,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002921355] [2023-08-29 02:47:22,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002921355] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 02:47:22,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732013563] [2023-08-29 02:47:22,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:22,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:47:22,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:47:22,533 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 02:47:22,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-08-29 02:47:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:22,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-29 02:47:22,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 02:47:22,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:22,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 02:47:22,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:22,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732013563] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 02:47:22,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 02:47:22,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-08-29 02:47:22,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006424576] [2023-08-29 02:47:22,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 02:47:22,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 02:47:22,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:47:22,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 02:47:22,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-08-29 02:47:22,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 367 [2023-08-29 02:47:22,699 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 78 transitions, 294 flow. Second operand has 7 states, 7 states have (on average 180.14285714285714) internal successors, (1261), 7 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:22,699 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:47:22,699 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 367 [2023-08-29 02:47:22,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:47:22,987 INFO L130 PetriNetUnfolder]: 2472/3814 cut-off events. [2023-08-29 02:47:22,987 INFO L131 PetriNetUnfolder]: For 2106/2106 co-relation queries the response was YES. [2023-08-29 02:47:22,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9149 conditions, 3814 events. 2472/3814 cut-off events. For 2106/2106 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 21183 event pairs, 74 based on Foata normal form. 393/3903 useless extension candidates. Maximal degree in co-relation 9140. Up to 2433 conditions per place. [2023-08-29 02:47:22,996 INFO L137 encePairwiseOnDemand]: 364/367 looper letters, 0 selfloop transitions, 0 changer transitions 73/73 dead transitions. [2023-08-29 02:47:22,996 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 73 transitions, 374 flow [2023-08-29 02:47:22,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:47:22,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:47:22,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1123 transitions. [2023-08-29 02:47:23,000 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5099909173478656 [2023-08-29 02:47:23,000 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1123 transitions. [2023-08-29 02:47:23,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1123 transitions. [2023-08-29 02:47:23,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:47:23,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1123 transitions. [2023-08-29 02:47:23,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 187.16666666666666) internal successors, (1123), 6 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:23,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 367.0) internal successors, (2569), 7 states have internal predecessors, (2569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:23,008 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 367.0) internal successors, (2569), 7 states have internal predecessors, (2569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:23,008 INFO L175 Difference]: Start difference. First operand has 70 places, 78 transitions, 294 flow. Second operand 6 states and 1123 transitions. [2023-08-29 02:47:23,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 73 transitions, 374 flow [2023-08-29 02:47:23,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 73 transitions, 338 flow, removed 18 selfloop flow, removed 1 redundant places. [2023-08-29 02:47:23,011 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2023-08-29 02:47:23,012 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2023-08-29 02:47:23,012 INFO L281 CegarLoopForPetriNet]: 68 programPoint places, -23 predicate places. [2023-08-29 02:47:23,012 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2023-08-29 02:47:23,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 180.14285714285714) internal successors, (1261), 7 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:23,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2023-08-29 02:47:23,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2023-08-29 02:47:23,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2023-08-29 02:47:23,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2023-08-29 02:47:23,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2023-08-29 02:47:23,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2023-08-29 02:47:23,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2023-08-29 02:47:23,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2023-08-29 02:47:23,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2023-08-29 02:47:23,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-08-29 02:47:23,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:47:23,222 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 02:47:23,222 INFO L307 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2023-08-29 02:47:23,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:23,273 INFO L130 PetriNetUnfolder]: 65/588 cut-off events. [2023-08-29 02:47:23,274 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2023-08-29 02:47:23,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 588 events. 65/588 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2592 event pairs, 1 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 407. Up to 16 conditions per place. [2023-08-29 02:47:23,278 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:23,280 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:23,281 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:47:23,281 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:23,281 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:23,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 209 transitions, 448 flow [2023-08-29 02:47:23,323 INFO L130 PetriNetUnfolder]: 65/588 cut-off events. [2023-08-29 02:47:23,323 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2023-08-29 02:47:23,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 588 events. 65/588 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2592 event pairs, 1 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 407. Up to 16 conditions per place. [2023-08-29 02:47:23,334 INFO L119 LiptonReduction]: Number of co-enabled transitions 16764 [2023-08-29 02:47:26,306 INFO L134 LiptonReduction]: Checked pairs total: 39988 [2023-08-29 02:47:26,306 INFO L136 LiptonReduction]: Total number of compositions: 159 [2023-08-29 02:47:26,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-29 02:47:26,308 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;@1f4b7153, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:47:26,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-29 02:47:26,316 INFO L130 PetriNetUnfolder]: 25/125 cut-off events. [2023-08-29 02:47:26,317 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-08-29 02:47:26,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:26,317 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2023-08-29 02:47:26,317 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-29 02:47:26,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:26,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1987639321, now seen corresponding path program 1 times [2023-08-29 02:47:26,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:26,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114113667] [2023-08-29 02:47:26,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:26,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:47:26,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 02:47:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:47:26,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 02:47:26,343 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 02:47:26,343 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-29 02:47:26,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 02:47:26,344 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 02:47:26,344 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2023-08-29 02:47:26,344 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 02:47:26,345 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-08-29 02:47:26,362 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 02:47:26,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 233 transitions, 510 flow [2023-08-29 02:47:26,454 INFO L130 PetriNetUnfolder]: 99/865 cut-off events. [2023-08-29 02:47:26,454 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2023-08-29 02:47:26,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 865 events. 99/865 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4132 event pairs, 6 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 608. Up to 32 conditions per place. [2023-08-29 02:47:26,464 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 233 transitions, 510 flow [2023-08-29 02:47:26,468 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 233 transitions, 510 flow [2023-08-29 02:47:26,468 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:47:26,468 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 215 places, 233 transitions, 510 flow [2023-08-29 02:47:26,469 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 215 places, 233 transitions, 510 flow [2023-08-29 02:47:26,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 233 transitions, 510 flow [2023-08-29 02:47:26,556 INFO L130 PetriNetUnfolder]: 99/865 cut-off events. [2023-08-29 02:47:26,556 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2023-08-29 02:47:26,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 865 events. 99/865 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4132 event pairs, 6 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 608. Up to 32 conditions per place. [2023-08-29 02:47:26,582 INFO L119 LiptonReduction]: Number of co-enabled transitions 24552 [2023-08-29 02:47:29,888 INFO L134 LiptonReduction]: Checked pairs total: 64140 [2023-08-29 02:47:29,888 INFO L136 LiptonReduction]: Total number of compositions: 177 [2023-08-29 02:47:29,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:47:29,890 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;@1f4b7153, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:47:29,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-08-29 02:47:29,891 INFO L130 PetriNetUnfolder]: 2/10 cut-off events. [2023-08-29 02:47:29,891 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:47:29,891 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:29,891 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 02:47:29,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:47:29,892 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:29,892 INFO L85 PathProgramCache]: Analyzing trace with hash 66956454, now seen corresponding path program 1 times [2023-08-29 02:47:29,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:29,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206014586] [2023-08-29 02:47:29,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:29,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:29,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:47:29,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206014586] [2023-08-29 02:47:29,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206014586] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:47:29,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:47:29,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:47:29,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766396998] [2023-08-29 02:47:29,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:47:29,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:47:29,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:47:29,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:47:29,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:47:29,936 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 410 [2023-08-29 02:47:29,937 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 92 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:29,937 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:47:29,937 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 410 [2023-08-29 02:47:29,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:47:39,353 INFO L130 PetriNetUnfolder]: 99333/142862 cut-off events. [2023-08-29 02:47:39,353 INFO L131 PetriNetUnfolder]: For 5658/5658 co-relation queries the response was YES. [2023-08-29 02:47:39,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277013 conditions, 142862 events. 99333/142862 cut-off events. For 5658/5658 co-relation queries the response was YES. Maximal size of possible extension queue 3398. Compared 1090308 event pairs, 70626 based on Foata normal form. 22507/153960 useless extension candidates. Maximal degree in co-relation 36178. Up to 130946 conditions per place. [2023-08-29 02:47:40,135 INFO L137 encePairwiseOnDemand]: 390/410 looper letters, 54 selfloop transitions, 2 changer transitions 0/80 dead transitions. [2023-08-29 02:47:40,136 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 80 transitions, 316 flow [2023-08-29 02:47:40,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:47:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:47:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 665 transitions. [2023-08-29 02:47:40,138 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.540650406504065 [2023-08-29 02:47:40,138 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 665 transitions. [2023-08-29 02:47:40,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 665 transitions. [2023-08-29 02:47:40,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:47:40,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 665 transitions. [2023-08-29 02:47:40,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:40,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 410.0) internal successors, (1640), 4 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:40,141 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 410.0) internal successors, (1640), 4 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:40,141 INFO L175 Difference]: Start difference. First operand has 79 places, 92 transitions, 228 flow. Second operand 3 states and 665 transitions. [2023-08-29 02:47:40,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 80 transitions, 316 flow [2023-08-29 02:47:40,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 80 transitions, 316 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:47:40,144 INFO L231 Difference]: Finished difference. Result has 79 places, 74 transitions, 202 flow [2023-08-29 02:47:40,144 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=79, PETRI_TRANSITIONS=74} [2023-08-29 02:47:40,145 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, 0 predicate places. [2023-08-29 02:47:40,145 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 74 transitions, 202 flow [2023-08-29 02:47:40,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:40,146 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:47:40,146 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:47:40,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 02:47:40,146 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:47:40,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:47:40,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1801018408, now seen corresponding path program 1 times [2023-08-29 02:47:40,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:47:40,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505142502] [2023-08-29 02:47:40,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:47:40,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:47:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:47:40,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:47:40,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:47:40,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505142502] [2023-08-29 02:47:40,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505142502] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:47:40,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:47:40,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:47:40,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369622997] [2023-08-29 02:47:40,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:47:40,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:47:40,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:47:40,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:47:40,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:47:40,188 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 410 [2023-08-29 02:47:40,189 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 74 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:47:40,189 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:47:40,189 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 410 [2023-08-29 02:47:40,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:48:22,162 INFO L130 PetriNetUnfolder]: 506408/687046 cut-off events. [2023-08-29 02:48:22,162 INFO L131 PetriNetUnfolder]: For 18946/18946 co-relation queries the response was YES. [2023-08-29 02:48:23,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370563 conditions, 687046 events. 506408/687046 cut-off events. For 18946/18946 co-relation queries the response was YES. Maximal size of possible extension queue 9299. Compared 5073694 event pairs, 223647 based on Foata normal form. 0/625223 useless extension candidates. Maximal degree in co-relation 1370504. Up to 450221 conditions per place. [2023-08-29 02:48:26,069 INFO L137 encePairwiseOnDemand]: 392/410 looper letters, 98 selfloop transitions, 12 changer transitions 1/121 dead transitions. [2023-08-29 02:48:26,069 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 121 transitions, 556 flow [2023-08-29 02:48:26,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:48:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:48:26,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2023-08-29 02:48:26,071 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5317073170731708 [2023-08-29 02:48:26,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 654 transitions. [2023-08-29 02:48:26,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 654 transitions. [2023-08-29 02:48:26,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:48:26,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 654 transitions. [2023-08-29 02:48:26,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:48:26,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 410.0) internal successors, (1640), 4 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:48:26,075 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 410.0) internal successors, (1640), 4 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:48:26,076 INFO L175 Difference]: Start difference. First operand has 79 places, 74 transitions, 202 flow. Second operand 3 states and 654 transitions. [2023-08-29 02:48:26,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 121 transitions, 556 flow [2023-08-29 02:48:26,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 121 transitions, 553 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:48:26,150 INFO L231 Difference]: Finished difference. Result has 80 places, 81 transitions, 282 flow [2023-08-29 02:48:26,150 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=80, PETRI_TRANSITIONS=81} [2023-08-29 02:48:26,151 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, 1 predicate places. [2023-08-29 02:48:26,151 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 81 transitions, 282 flow [2023-08-29 02:48:26,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:48:26,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:48:26,152 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:48:26,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 02:48:26,152 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:48:26,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:48:26,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1025243759, now seen corresponding path program 1 times [2023-08-29 02:48:26,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:48:26,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738249809] [2023-08-29 02:48:26,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:48:26,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:48:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:48:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:48:26,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:48:26,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738249809] [2023-08-29 02:48:26,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738249809] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 02:48:26,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442100684] [2023-08-29 02:48:26,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:48:26,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:48:26,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:48:26,189 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 02:48:26,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-08-29 02:48:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:48:26,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-29 02:48:26,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 02:48:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 02:48:26,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 02:48:26,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442100684] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:48:26,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 02:48:26,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-08-29 02:48:26,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097661463] [2023-08-29 02:48:26,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:48:26,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:48:26,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:48:26,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:48:26,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 02:48:26,303 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 410 [2023-08-29 02:48:26,304 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 81 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:48:26,304 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:48:26,304 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 410 [2023-08-29 02:48:26,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:48:37,095 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1984] L709-15-->L709-17: Formula: (= |v_#race~glob~0_115| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_115|, ULTIMATE.start_bar_#t~nondet10#1=|v_ULTIMATE.start_bar_#t~nondet10#1_69|} AuxVars[] AssignedVars[#race~glob~0, ULTIMATE.start_bar_#t~nondet10#1][72], [Black: 223#true, 88#L709-17true, 229#true, 133#L715-3true, 182#L715-7true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 96#L715-4true, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:37,095 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,095 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,096 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,096 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,096 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1984] L709-15-->L709-17: Formula: (= |v_#race~glob~0_115| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_115|, ULTIMATE.start_bar_#t~nondet10#1=|v_ULTIMATE.start_bar_#t~nondet10#1_69|} AuxVars[] AssignedVars[#race~glob~0, ULTIMATE.start_bar_#t~nondet10#1][72], [Black: 223#true, 229#true, 88#L709-17true, 50#L715-3true, 65#L715-4true, 182#L715-7true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 96#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:37,096 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,096 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,096 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,096 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,096 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1980] L715-1-->L715-3: Formula: (= |v_#race~glob~0_113| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_113|, t_funThread4of4ForFork0_#t~nondet14#1=|v_t_funThread4of4ForFork0_#t~nondet14#1_7|} AuxVars[] AssignedVars[#race~glob~0, t_funThread4of4ForFork0_#t~nondet14#1][74], [Black: 223#true, 229#true, 192#L715-3true, 133#L715-3true, 105#L709-27true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 96#L715-4true, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:37,096 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,096 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,096 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,096 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,097 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1980] L715-1-->L715-3: Formula: (= |v_#race~glob~0_113| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_113|, t_funThread4of4ForFork0_#t~nondet14#1=|v_t_funThread4of4ForFork0_#t~nondet14#1_7|} AuxVars[] AssignedVars[#race~glob~0, t_funThread4of4ForFork0_#t~nondet14#1][74], [Black: 223#true, 229#true, 192#L715-3true, 50#L715-3true, 105#L709-27true, 65#L715-4true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 96#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:37,097 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,097 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,097 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,097 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,656 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1984] L709-15-->L709-17: Formula: (= |v_#race~glob~0_115| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_115|, ULTIMATE.start_bar_#t~nondet10#1=|v_ULTIMATE.start_bar_#t~nondet10#1_69|} AuxVars[] AssignedVars[#race~glob~0, ULTIMATE.start_bar_#t~nondet10#1][72], [Black: 223#true, 88#L709-17true, 229#true, 65#L715-4true, 182#L715-7true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 103#L715-3true, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:37,656 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,656 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,656 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,657 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,657 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1980] L715-1-->L715-3: Formula: (= |v_#race~glob~0_113| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_113|, t_funThread4of4ForFork0_#t~nondet14#1=|v_t_funThread4of4ForFork0_#t~nondet14#1_7|} AuxVars[] AssignedVars[#race~glob~0, t_funThread4of4ForFork0_#t~nondet14#1][74], [Black: 223#true, 229#true, 192#L715-3true, 105#L709-27true, 65#L715-4true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 103#L715-3true, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:37,657 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,657 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,657 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:37,657 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2023-08-29 02:48:38,747 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1984] L709-15-->L709-17: Formula: (= |v_#race~glob~0_115| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_115|, ULTIMATE.start_bar_#t~nondet10#1=|v_ULTIMATE.start_bar_#t~nondet10#1_69|} AuxVars[] AssignedVars[#race~glob~0, ULTIMATE.start_bar_#t~nondet10#1][72], [Black: 223#true, 229#true, 88#L709-17true, 65#L715-4true, 182#L715-7true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 96#L715-4true, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:38,748 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,748 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,748 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,748 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,748 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1980] L715-1-->L715-3: Formula: (= |v_#race~glob~0_113| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_113|, t_funThread4of4ForFork0_#t~nondet14#1=|v_t_funThread4of4ForFork0_#t~nondet14#1_7|} AuxVars[] AssignedVars[#race~glob~0, t_funThread4of4ForFork0_#t~nondet14#1][74], [Black: 223#true, 229#true, 192#L715-3true, 105#L709-27true, 65#L715-4true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 96#L715-4true, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:38,748 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,748 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,748 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,748 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,756 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1984] L709-15-->L709-17: Formula: (= |v_#race~glob~0_115| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_115|, ULTIMATE.start_bar_#t~nondet10#1=|v_ULTIMATE.start_bar_#t~nondet10#1_69|} AuxVars[] AssignedVars[#race~glob~0, ULTIMATE.start_bar_#t~nondet10#1][72], [Black: 223#true, 229#true, 88#L709-17true, 65#L715-4true, 225#(= |#race~glob~0| 0), 182#L715-7true, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, 96#L715-4true, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:38,756 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,756 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,757 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,757 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,757 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1980] L715-1-->L715-3: Formula: (= |v_#race~glob~0_113| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_113|, t_funThread4of4ForFork0_#t~nondet14#1=|v_t_funThread4of4ForFork0_#t~nondet14#1_7|} AuxVars[] AssignedVars[#race~glob~0, t_funThread4of4ForFork0_#t~nondet14#1][74], [Black: 223#true, 229#true, 192#L715-3true, 105#L709-27true, 65#L715-4true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, 96#L715-4true, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:38,757 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,757 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,758 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:38,758 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:39,012 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1984] L709-15-->L709-17: Formula: (= |v_#race~glob~0_115| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_115|, ULTIMATE.start_bar_#t~nondet10#1=|v_ULTIMATE.start_bar_#t~nondet10#1_69|} AuxVars[] AssignedVars[#race~glob~0, ULTIMATE.start_bar_#t~nondet10#1][72], [Black: 223#true, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 229#true, 88#L709-17true, 65#L715-4true, 182#L715-7true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:39,012 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2023-08-29 02:48:39,012 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:39,012 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:39,012 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:39,013 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1980] L715-1-->L715-3: Formula: (= |v_#race~glob~0_113| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_113|, t_funThread4of4ForFork0_#t~nondet14#1=|v_t_funThread4of4ForFork0_#t~nondet14#1_7|} AuxVars[] AssignedVars[#race~glob~0, t_funThread4of4ForFork0_#t~nondet14#1][74], [Black: 223#true, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 229#true, 192#L715-3true, 105#L709-27true, 65#L715-4true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:39,013 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2023-08-29 02:48:39,013 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:39,013 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:39,014 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is cut-off event [2023-08-29 02:48:39,983 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1984] L709-15-->L709-17: Formula: (= |v_#race~glob~0_115| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_115|, ULTIMATE.start_bar_#t~nondet10#1=|v_ULTIMATE.start_bar_#t~nondet10#1_69|} AuxVars[] AssignedVars[#race~glob~0, ULTIMATE.start_bar_#t~nondet10#1][72], [Black: 223#true, 229#true, 88#L709-17true, 91#L692true, 65#L715-4true, 182#L715-7true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:39,984 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-29 02:48:39,984 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 02:48:39,984 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 02:48:39,984 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 02:48:39,984 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1980] L715-1-->L715-3: Formula: (= |v_#race~glob~0_113| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_113|, t_funThread4of4ForFork0_#t~nondet14#1=|v_t_funThread4of4ForFork0_#t~nondet14#1_7|} AuxVars[] AssignedVars[#race~glob~0, t_funThread4of4ForFork0_#t~nondet14#1][74], [Black: 223#true, 229#true, 192#L715-3true, 91#L692true, 105#L709-27true, 65#L715-4true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:39,984 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-29 02:48:39,984 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 02:48:39,984 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 02:48:39,985 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2023-08-29 02:48:41,266 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1984] L709-15-->L709-17: Formula: (= |v_#race~glob~0_115| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_115|, ULTIMATE.start_bar_#t~nondet10#1=|v_ULTIMATE.start_bar_#t~nondet10#1_69|} AuxVars[] AssignedVars[#race~glob~0, ULTIMATE.start_bar_#t~nondet10#1][72], [Black: 223#true, 88#L709-17true, 229#true, 65#L715-4true, 171#L715-6true, 225#(= |#race~glob~0| 0), 182#L715-7true, t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:41,266 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2023-08-29 02:48:41,266 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 02:48:41,266 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 02:48:41,266 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 02:48:41,267 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1980] L715-1-->L715-3: Formula: (= |v_#race~glob~0_113| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_113|, t_funThread4of4ForFork0_#t~nondet14#1=|v_t_funThread4of4ForFork0_#t~nondet14#1_7|} AuxVars[] AssignedVars[#race~glob~0, t_funThread4of4ForFork0_#t~nondet14#1][74], [Black: 223#true, 229#true, 192#L715-3true, 105#L709-27true, 65#L715-4true, 171#L715-6true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:41,267 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2023-08-29 02:48:41,267 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 02:48:41,267 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 02:48:41,267 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-08-29 02:48:42,638 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1984] L709-15-->L709-17: Formula: (= |v_#race~glob~0_115| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_115|, ULTIMATE.start_bar_#t~nondet10#1=|v_ULTIMATE.start_bar_#t~nondet10#1_69|} AuxVars[] AssignedVars[#race~glob~0, ULTIMATE.start_bar_#t~nondet10#1][72], [Black: 223#true, 229#true, 88#L709-17true, 65#L715-4true, 182#L715-7true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, 185#t_funEXITtrue, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:42,638 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2023-08-29 02:48:42,638 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 02:48:42,638 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 02:48:42,638 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 02:48:42,639 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1980] L715-1-->L715-3: Formula: (= |v_#race~glob~0_113| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_113|, t_funThread4of4ForFork0_#t~nondet14#1=|v_t_funThread4of4ForFork0_#t~nondet14#1_7|} AuxVars[] AssignedVars[#race~glob~0, t_funThread4of4ForFork0_#t~nondet14#1][74], [Black: 223#true, 229#true, 192#L715-3true, 105#L709-27true, 65#L715-4true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, 185#t_funEXITtrue, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:42,639 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2023-08-29 02:48:42,639 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 02:48:42,639 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 02:48:42,639 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 02:48:50,656 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1984] L709-15-->L709-17: Formula: (= |v_#race~glob~0_115| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_115|, ULTIMATE.start_bar_#t~nondet10#1=|v_ULTIMATE.start_bar_#t~nondet10#1_69|} AuxVars[] AssignedVars[#race~glob~0, ULTIMATE.start_bar_#t~nondet10#1][72], [Black: 223#true, 229#true, 88#L709-17true, 54#L715-4true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, 112#t_funEXITtrue, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 103#L715-3true, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:48:50,675 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is not cut-off event [2023-08-29 02:48:50,675 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 02:48:50,675 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 02:48:50,675 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2023-08-29 02:48:59,163 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [Black: 223#true, 229#true, 91#L692true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0), 55#L709-25true]) [2023-08-29 02:48:59,163 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2023-08-29 02:48:59,163 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 02:48:59,163 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 02:48:59,163 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 02:48:59,410 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 207#L692-1true, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0), 55#L709-25true]) [2023-08-29 02:48:59,410 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2023-08-29 02:48:59,410 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 02:48:59,410 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 02:48:59,410 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 02:48:59,458 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 166#L692-1true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0), 55#L709-25true]) [2023-08-29 02:48:59,458 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2023-08-29 02:48:59,458 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 02:48:59,458 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 02:48:59,458 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2023-08-29 02:49:00,534 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [Black: 223#true, 229#true, 91#L692true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 98#L709-28true, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:00,534 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2023-08-29 02:49:00,534 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 02:49:00,534 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 02:49:00,534 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 02:49:00,759 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 98#L709-28true, 207#L692-1true, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:00,759 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2023-08-29 02:49:00,759 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 02:49:00,759 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 02:49:00,760 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 02:49:01,082 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 166#L692-1true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 98#L709-28true, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:01,083 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2023-08-29 02:49:01,083 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 02:49:01,083 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 02:49:01,083 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2023-08-29 02:49:01,775 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [Black: 223#true, 229#true, 91#L692true, 151#L699-6true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:01,776 INFO L383 tUnfolder$Statistics]: this new event has 55 ancestors and is cut-off event [2023-08-29 02:49:01,776 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 02:49:01,776 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 02:49:01,776 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 02:49:02,264 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 151#L699-6true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 207#L692-1true, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:02,264 INFO L383 tUnfolder$Statistics]: this new event has 55 ancestors and is cut-off event [2023-08-29 02:49:02,264 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 02:49:02,265 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 02:49:02,265 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 02:49:02,297 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 166#L692-1true, 151#L699-6true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:02,297 INFO L383 tUnfolder$Statistics]: this new event has 55 ancestors and is cut-off event [2023-08-29 02:49:02,297 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 02:49:02,297 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 02:49:02,297 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2023-08-29 02:49:02,546 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [Black: 223#true, 229#true, 91#L692true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 69#L709-29true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:02,546 INFO L383 tUnfolder$Statistics]: this new event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,546 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,546 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,546 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,724 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [Black: 223#true, 229#true, 122#L722-13true, 91#L692true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:02,724 INFO L383 tUnfolder$Statistics]: this new event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,724 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,724 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,724 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,975 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 69#L709-29true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 207#L692-1true, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:02,975 INFO L383 tUnfolder$Statistics]: this new event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,975 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,975 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,975 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,983 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 166#L692-1true, 69#L709-29true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:02,983 INFO L383 tUnfolder$Statistics]: this new event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,983 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,983 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:02,983 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:03,050 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 122#L722-13true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 207#L692-1true, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:03,051 INFO L383 tUnfolder$Statistics]: this new event has 56 ancestors and is cut-off event [2023-08-29 02:49:03,051 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:03,051 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:03,051 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:03,060 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 122#L722-13true, 229#true, 166#L692-1true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:03,060 INFO L383 tUnfolder$Statistics]: this new event has 56 ancestors and is cut-off event [2023-08-29 02:49:03,060 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:03,061 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:03,061 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2023-08-29 02:49:03,781 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [Black: 223#true, 229#true, 91#L692true, 109#ULTIMATE.startEXITtrue, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:03,781 INFO L383 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2023-08-29 02:49:03,781 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:03,781 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:03,781 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:03,793 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [24#L722-8true, Black: 223#true, 229#true, 91#L692true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:03,794 INFO L383 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2023-08-29 02:49:03,794 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:03,794 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:03,794 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,027 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 109#ULTIMATE.startEXITtrue, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 207#L692-1true, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,027 INFO L383 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,027 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,028 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,028 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,033 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 166#L692-1true, 109#ULTIMATE.startEXITtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,033 INFO L383 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,033 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,033 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,034 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,050 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [24#L722-8true, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 207#L692-1true, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,050 INFO L383 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,050 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,050 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,050 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,066 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [24#L722-8true, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 166#L692-1true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,067 INFO L383 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,067 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,067 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,067 INFO L386 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2023-08-29 02:49:04,578 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1714] L709-2-->L709-3: Formula: (= |v_#race~glob~0_1| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_1|} AuxVars[] AssignedVars[#race~glob~0][36], [Black: 223#true, 229#true, 84#L709-3true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, 96#L715-4true, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,578 INFO L383 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,578 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,578 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,578 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,579 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [Black: 223#true, 229#true, 91#L692true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 5#L709-2true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,579 INFO L383 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,579 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,579 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,579 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,773 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, Black: 223#true, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, 229#true, t_funThread4of4ForFork0NotInUse, 91#L692true, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 48#L722-9true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,773 INFO L383 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,773 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,773 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,773 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,906 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1714] L709-2-->L709-3: Formula: (= |v_#race~glob~0_1| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_1|} AuxVars[] AssignedVars[#race~glob~0][36], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 84#L709-3true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 58#t_funEXITtrue, 196#L715-4true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,906 INFO L383 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,906 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,906 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,906 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,906 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 5#L709-2true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 207#L692-1true, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,906 INFO L383 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,906 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,906 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,906 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,922 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, 229#true, 166#L692-1true, 5#L709-2true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,922 INFO L383 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,922 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,922 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,922 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,922 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1714] L709-2-->L709-3: Formula: (= |v_#race~glob~0_1| 0) InVars {} OutVars{#race~glob~0=|v_#race~glob~0_1|} AuxVars[] AssignedVars[#race~glob~0][36], [Black: 223#true, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 229#true, 84#L709-3true, 65#L715-4true, 225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0InUse, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 58#t_funEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,922 INFO L383 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,922 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,922 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,922 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,969 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, 229#true, t_funThread4of4ForFork0NotInUse, 207#L692-1true, 48#L722-9true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,969 INFO L383 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,969 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,970 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,970 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,987 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, t_funThread3of4ForFork0InUse, 229#true, t_funThread4of4ForFork0NotInUse, 166#L692-1true, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 48#L722-9true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:04,987 INFO L383 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,987 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,988 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:04,988 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2023-08-29 02:49:06,053 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, Black: 223#true, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, 122#L722-13true, t_funThread4of4ForFork0NotInUse, 229#true, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 91#L692true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:06,053 INFO L383 tUnfolder$Statistics]: this new event has 60 ancestors and is cut-off event [2023-08-29 02:49:06,053 INFO L386 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2023-08-29 02:49:06,053 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 02:49:06,053 INFO L386 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2023-08-29 02:49:06,156 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0NotInUse, 122#L722-13true, 229#true, 207#L692-1true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:06,156 INFO L383 tUnfolder$Statistics]: this new event has 60 ancestors and is cut-off event [2023-08-29 02:49:06,156 INFO L386 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2023-08-29 02:49:06,156 INFO L386 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2023-08-29 02:49:06,156 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 02:49:06,170 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, t_funThread3of4ForFork0InUse, 229#true, t_funThread4of4ForFork0NotInUse, 122#L722-13true, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 166#L692-1true, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:06,170 INFO L383 tUnfolder$Statistics]: this new event has 60 ancestors and is cut-off event [2023-08-29 02:49:06,170 INFO L386 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2023-08-29 02:49:06,170 INFO L386 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2023-08-29 02:49:06,170 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-08-29 02:49:06,382 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, Black: 223#true, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, 229#true, t_funThread4of4ForFork0NotInUse, 91#L692true, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 109#ULTIMATE.startEXITtrue, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:06,383 INFO L383 tUnfolder$Statistics]: this new event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,383 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,383 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,383 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 02:49:06,387 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2027] L715-4-->L692: Formula: (= |v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_172 0) 1 0)) InVars {~glob~0=v_~glob~0_172} OutVars{~glob~0=v_~glob~0_172, t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of4ForFork0___VERIFIER_assert_~cond#1_15|} AuxVars[] AssignedVars[t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of4ForFork0___VERIFIER_assert_~cond#1][15], [225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, 24#L722-8true, Black: 223#true, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, 229#true, t_funThread4of4ForFork0NotInUse, 91#L692true, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:06,387 INFO L383 tUnfolder$Statistics]: this new event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,387 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 02:49:06,387 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,387 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,438 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, 229#true, t_funThread4of4ForFork0NotInUse, 207#L692-1true, 109#ULTIMATE.startEXITtrue, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:06,438 INFO L383 tUnfolder$Statistics]: this new event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,438 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,438 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 02:49:06,438 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,440 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, t_funThread2of4ForFork0InUse, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0NotInUse, 229#true, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 166#L692-1true, 109#ULTIMATE.startEXITtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:06,440 INFO L383 tUnfolder$Statistics]: this new event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,440 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 02:49:06,440 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,440 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,446 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2080] L715-4-->L692-1: Formula: (and (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| |v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|) (= |v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9| (ite (= v_~glob~0_178 0) 1 0))) InVars {~glob~0=v_~glob~0_178} OutVars{t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1_9|, ~glob~0=v_~glob~0_178, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread2of4ForFork0___VERIFIER_assert_~cond#1_19|} AuxVars[] AssignedVars[t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread2of4ForFork0___VERIFIER_assert_~cond#1][31], [225#(= |#race~glob~0| 0), 24#L722-8true, t_funThread1of4ForFork0InUse, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, t_funThread2of4ForFork0InUse, t_funThread3of4ForFork0InUse, t_funThread4of4ForFork0NotInUse, 229#true, 207#L692-1true, 174#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:06,446 INFO L383 tUnfolder$Statistics]: this new event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,446 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 02:49:06,446 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,446 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,449 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2066] L715-4-->L692-1: Formula: (and (= |v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17| |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|) (= (ite (= v_~glob~0_176 0) 1 0) |v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|)) InVars {~glob~0=v_~glob~0_176} OutVars{~glob~0=v_~glob~0_176, t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1_9|, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread3of4ForFork0___VERIFIER_assert_~cond#1_17|} AuxVars[] AssignedVars[t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1, t_funThread3of4ForFork0___VERIFIER_assert_~cond#1][47], [225#(= |#race~glob~0| 0), t_funThread1of4ForFork0InUse, 24#L722-8true, t_funThread2of4ForFork0InUse, 37#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 223#true, t_funThread3of4ForFork0InUse, 229#true, t_funThread4of4ForFork0NotInUse, 166#L692-1true, 22#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 220#(= |ULTIMATE.start_main_~i~1#1| 0)]) [2023-08-29 02:49:06,449 INFO L383 tUnfolder$Statistics]: this new event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,449 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:06,449 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-08-29 02:49:06,449 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2023-08-29 02:49:07,555 INFO L130 PetriNetUnfolder]: 384898/548138 cut-off events. [2023-08-29 02:49:07,556 INFO L131 PetriNetUnfolder]: For 188639/189197 co-relation queries the response was YES. [2023-08-29 02:49:09,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1256517 conditions, 548138 events. 384898/548138 cut-off events. For 188639/189197 co-relation queries the response was YES. Maximal size of possible extension queue 9570. Compared 4580907 event pairs, 291020 based on Foata normal form. 348/494001 useless extension candidates. Maximal degree in co-relation 241923. Up to 488044 conditions per place. [2023-08-29 02:49:11,404 INFO L137 encePairwiseOnDemand]: 403/410 looper letters, 73 selfloop transitions, 10 changer transitions 0/106 dead transitions. [2023-08-29 02:49:11,404 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 106 transitions, 522 flow [2023-08-29 02:49:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:49:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:49:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2023-08-29 02:49:11,406 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5154471544715448 [2023-08-29 02:49:11,406 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 634 transitions. [2023-08-29 02:49:11,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions. [2023-08-29 02:49:11,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:49:11,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions. [2023-08-29 02:49:11,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:11,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 410.0) internal successors, (1640), 4 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:11,410 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 410.0) internal successors, (1640), 4 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:11,410 INFO L175 Difference]: Start difference. First operand has 80 places, 81 transitions, 282 flow. Second operand 3 states and 634 transitions. [2023-08-29 02:49:11,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 106 transitions, 522 flow [2023-08-29 02:49:13,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 106 transitions, 488 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 02:49:13,218 INFO L231 Difference]: Finished difference. Result has 79 places, 90 transitions, 340 flow [2023-08-29 02:49:13,218 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=79, PETRI_TRANSITIONS=90} [2023-08-29 02:49:13,218 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, 0 predicate places. [2023-08-29 02:49:13,219 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 90 transitions, 340 flow [2023-08-29 02:49:13,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:13,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:49:13,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:49:13,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-08-29 02:49:13,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:49:13,420 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:49:13,420 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:49:13,420 INFO L85 PathProgramCache]: Analyzing trace with hash -488027958, now seen corresponding path program 1 times [2023-08-29 02:49:13,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:49:13,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046316028] [2023-08-29 02:49:13,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:49:13,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:49:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:49:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:49:13,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:49:13,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046316028] [2023-08-29 02:49:13,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046316028] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 02:49:13,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6333584] [2023-08-29 02:49:13,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:49:13,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:49:13,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:49:13,461 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 02:49:13,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-08-29 02:49:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:49:13,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-29 02:49:13,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 02:49:13,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:49:13,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 02:49:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:49:13,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6333584] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 02:49:13,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 02:49:13,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-08-29 02:49:13,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327513594] [2023-08-29 02:49:13,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 02:49:13,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 02:49:13,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:49:13,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 02:49:13,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-08-29 02:49:13,606 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 410 [2023-08-29 02:49:13,608 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 90 transitions, 340 flow. Second operand has 7 states, 7 states have (on average 198.14285714285714) internal successors, (1387), 7 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:13,608 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:49:13,608 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 410 [2023-08-29 02:49:13,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:49:45,917 INFO L130 PetriNetUnfolder]: 342724/492459 cut-off events. [2023-08-29 02:49:45,917 INFO L131 PetriNetUnfolder]: For 250218/255821 co-relation queries the response was YES. [2023-08-29 02:49:47,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1167146 conditions, 492459 events. 342724/492459 cut-off events. For 250218/255821 co-relation queries the response was YES. Maximal size of possible extension queue 9522. Compared 4103090 event pairs, 51166 based on Foata normal form. 344/439410 useless extension candidates. Maximal degree in co-relation 302652. Up to 417898 conditions per place. [2023-08-29 02:49:49,348 INFO L137 encePairwiseOnDemand]: 406/410 looper letters, 123 selfloop transitions, 6 changer transitions 0/155 dead transitions. [2023-08-29 02:49:49,349 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 155 transitions, 808 flow [2023-08-29 02:49:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:49:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:49:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1279 transitions. [2023-08-29 02:49:49,352 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5199186991869919 [2023-08-29 02:49:49,352 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1279 transitions. [2023-08-29 02:49:49,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1279 transitions. [2023-08-29 02:49:49,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:49:49,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1279 transitions. [2023-08-29 02:49:49,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 213.16666666666666) internal successors, (1279), 6 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:49,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 410.0) internal successors, (2870), 7 states have internal predecessors, (2870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:49,361 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 410.0) internal successors, (2870), 7 states have internal predecessors, (2870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:49,361 INFO L175 Difference]: Start difference. First operand has 79 places, 90 transitions, 340 flow. Second operand 6 states and 1279 transitions. [2023-08-29 02:49:49,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 155 transitions, 808 flow [2023-08-29 02:49:50,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 155 transitions, 798 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:49:50,276 INFO L231 Difference]: Finished difference. Result has 87 places, 93 transitions, 370 flow [2023-08-29 02:49:50,277 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=370, PETRI_PLACES=87, PETRI_TRANSITIONS=93} [2023-08-29 02:49:50,277 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, 8 predicate places. [2023-08-29 02:49:50,277 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 93 transitions, 370 flow [2023-08-29 02:49:50,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 198.14285714285714) internal successors, (1387), 7 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:50,278 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:49:50,278 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:49:50,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-08-29 02:49:50,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:49:50,484 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-29 02:49:50,484 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:49:50,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2121678989, now seen corresponding path program 1 times [2023-08-29 02:49:50,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:49:50,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398145008] [2023-08-29 02:49:50,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:49:50,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:49:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:49:50,558 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:49:50,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:49:50,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398145008] [2023-08-29 02:49:50,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398145008] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 02:49:50,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100550532] [2023-08-29 02:49:50,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:49:50,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:49:50,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:49:50,560 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 02:49:50,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-08-29 02:49:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:49:50,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-29 02:49:50,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 02:49:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:49:50,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 02:49:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:49:50,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100550532] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 02:49:50,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 02:49:50,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-08-29 02:49:50,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109388425] [2023-08-29 02:49:50,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 02:49:50,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 02:49:50,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:49:50,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 02:49:50,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-08-29 02:49:50,765 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 410 [2023-08-29 02:49:50,766 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 93 transitions, 370 flow. Second operand has 13 states, 13 states have (on average 198.23076923076923) internal successors, (2577), 13 states have internal predecessors, (2577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:50,766 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:49:50,766 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 410 [2023-08-29 02:49:50,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:49:52,694 INFO L130 PetriNetUnfolder]: 21080/29694 cut-off events. [2023-08-29 02:49:52,694 INFO L131 PetriNetUnfolder]: For 34906/34906 co-relation queries the response was YES. [2023-08-29 02:49:52,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81559 conditions, 29694 events. 21080/29694 cut-off events. For 34906/34906 co-relation queries the response was YES. Maximal size of possible extension queue 1078. Compared 186181 event pairs, 840 based on Foata normal form. 2146/30785 useless extension candidates. Maximal degree in co-relation 9295. Up to 18171 conditions per place. [2023-08-29 02:49:52,803 INFO L137 encePairwiseOnDemand]: 407/410 looper letters, 0 selfloop transitions, 0 changer transitions 106/106 dead transitions. [2023-08-29 02:49:52,803 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 106 transitions, 585 flow [2023-08-29 02:49:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 02:49:52,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 02:49:52,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1450 transitions. [2023-08-29 02:49:52,807 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5052264808362369 [2023-08-29 02:49:52,807 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1450 transitions. [2023-08-29 02:49:52,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1450 transitions. [2023-08-29 02:49:52,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:49:52,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1450 transitions. [2023-08-29 02:49:52,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 207.14285714285714) internal successors, (1450), 7 states have internal predecessors, (1450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:52,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 410.0) internal successors, (3280), 8 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:52,815 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 410.0) internal successors, (3280), 8 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:52,815 INFO L175 Difference]: Start difference. First operand has 87 places, 93 transitions, 370 flow. Second operand 7 states and 1450 transitions. [2023-08-29 02:49:52,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 106 transitions, 585 flow [2023-08-29 02:49:52,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 106 transitions, 508 flow, removed 33 selfloop flow, removed 6 redundant places. [2023-08-29 02:49:52,843 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2023-08-29 02:49:52,843 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=410, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2023-08-29 02:49:52,843 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -21 predicate places. [2023-08-29 02:49:52,844 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2023-08-29 02:49:52,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 198.23076923076923) internal successors, (2577), 13 states have internal predecessors, (2577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:52,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-08-29 02:49:52,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-08-29 02:49:52,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-08-29 02:49:52,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2023-08-29 02:49:52,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-08-29 02:49:52,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-08-29 02:49:52,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-08-29 02:49:52,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-08-29 02:49:52,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-08-29 02:49:52,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-08-29 02:49:52,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-08-29 02:49:53,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 02:49:53,052 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 02:49:53,052 INFO L307 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2023-08-29 02:49:53,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 233 transitions, 510 flow [2023-08-29 02:49:53,104 INFO L130 PetriNetUnfolder]: 99/865 cut-off events. [2023-08-29 02:49:53,104 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2023-08-29 02:49:53,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 865 events. 99/865 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4132 event pairs, 6 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 608. Up to 32 conditions per place. [2023-08-29 02:49:53,111 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 233 transitions, 510 flow [2023-08-29 02:49:53,113 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 233 transitions, 510 flow [2023-08-29 02:49:53,113 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:49:53,113 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 215 places, 233 transitions, 510 flow [2023-08-29 02:49:53,114 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 215 places, 233 transitions, 510 flow [2023-08-29 02:49:53,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 233 transitions, 510 flow [2023-08-29 02:49:53,163 INFO L130 PetriNetUnfolder]: 99/865 cut-off events. [2023-08-29 02:49:53,163 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2023-08-29 02:49:53,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 865 events. 99/865 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4132 event pairs, 6 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 608. Up to 32 conditions per place. [2023-08-29 02:49:53,178 INFO L119 LiptonReduction]: Number of co-enabled transitions 24552 [2023-08-29 02:49:56,462 INFO L134 LiptonReduction]: Checked pairs total: 65780 [2023-08-29 02:49:56,462 INFO L136 LiptonReduction]: Total number of compositions: 173 [2023-08-29 02:49:56,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-29 02:49:56,463 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;@1f4b7153, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:49:56,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-29 02:49:56,471 INFO L130 PetriNetUnfolder]: 40/193 cut-off events. [2023-08-29 02:49:56,472 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2023-08-29 02:49:56,472 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:49:56,472 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1] [2023-08-29 02:49:56,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-29 02:49:56,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:49:56,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1272541745, now seen corresponding path program 1 times [2023-08-29 02:49:56,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:49:56,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714259071] [2023-08-29 02:49:56,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:49:56,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:49:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:49:56,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 02:49:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:49:56,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 02:49:56,501 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 02:49:56,501 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-29 02:49:56,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 02:49:56,501 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 02:49:56,502 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2023-08-29 02:49:56,502 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 02:49:56,502 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2023-08-29 02:49:56,521 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-08-29 02:49:56,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 257 transitions, 574 flow [2023-08-29 02:49:56,632 INFO L130 PetriNetUnfolder]: 161/1322 cut-off events. [2023-08-29 02:49:56,633 INFO L131 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2023-08-29 02:49:56,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1433 conditions, 1322 events. 161/1322 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7077 event pairs, 23 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 910. Up to 80 conditions per place. [2023-08-29 02:49:56,644 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 257 transitions, 574 flow [2023-08-29 02:49:56,649 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 237 places, 257 transitions, 574 flow [2023-08-29 02:49:56,649 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:49:56,649 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 257 transitions, 574 flow [2023-08-29 02:49:56,650 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 257 transitions, 574 flow [2023-08-29 02:49:56,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 257 transitions, 574 flow [2023-08-29 02:49:56,742 INFO L130 PetriNetUnfolder]: 161/1322 cut-off events. [2023-08-29 02:49:56,742 INFO L131 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2023-08-29 02:49:56,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1433 conditions, 1322 events. 161/1322 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7077 event pairs, 23 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 910. Up to 80 conditions per place. [2023-08-29 02:49:56,773 INFO L119 LiptonReduction]: Number of co-enabled transitions 33440 [2023-08-29 02:49:59,662 INFO L134 LiptonReduction]: Checked pairs total: 86708 [2023-08-29 02:49:59,662 INFO L136 LiptonReduction]: Total number of compositions: 189 [2023-08-29 02:49:59,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:49:59,664 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;@1f4b7153, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:49:59,664 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-08-29 02:49:59,665 INFO L130 PetriNetUnfolder]: 2/8 cut-off events. [2023-08-29 02:49:59,665 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:49:59,666 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:49:59,666 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 02:49:59,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-08-29 02:49:59,666 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:49:59,666 INFO L85 PathProgramCache]: Analyzing trace with hash 86755250, now seen corresponding path program 1 times [2023-08-29 02:49:59,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:49:59,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708700315] [2023-08-29 02:49:59,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:49:59,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:49:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:49:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:49:59,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:49:59,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708700315] [2023-08-29 02:49:59,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708700315] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:49:59,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:49:59,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:49:59,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104694377] [2023-08-29 02:49:59,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:49:59,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:49:59,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:49:59,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:49:59,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:49:59,693 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 446 [2023-08-29 02:49:59,694 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 104 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:49:59,694 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:49:59,694 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 446 [2023-08-29 02:49:59,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:52:06,529 INFO L130 PetriNetUnfolder]: 1066594/1429142 cut-off events. [2023-08-29 02:52:06,529 INFO L131 PetriNetUnfolder]: For 68684/68684 co-relation queries the response was YES.