./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d10bf8c0e842192a13f4b6638f03cf57668d5bee07d0b49c4b595de1c605066 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:33:32,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:33:32,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:33:32,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:33:32,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:33:32,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:33:32,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:33:32,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:33:32,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:33:32,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:33:32,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:33:32,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:33:32,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:33:32,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:33:32,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:33:32,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:33:32,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:33:32,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:33:32,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:33:32,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:33:32,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:33:32,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:33:32,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:33:32,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:33:32,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:33:32,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:33:32,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:33:32,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:33:32,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:33:32,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:33:32,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:33:32,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:33:32,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:33:32,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:33:32,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:33:32,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:33:32,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:33:32,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:33:32,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:33:32,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:33:32,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:33:32,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:33:32,623 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:33:32,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:33:32,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:33:32,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:33:32,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:33:32,625 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:33:32,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:33:32,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:33:32,626 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:33:32,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:33:32,627 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:33:32,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:33:32,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:33:32,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:33:32,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:33:32,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:33:32,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:33:32,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:33:32,628 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:33:32,628 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:33:32,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:33:32,629 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:33:32,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:33:32,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:33:32,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:33:32,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:33:32,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:33:32,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:33:32,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:33:32,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:33:32,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:33:32,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:33:32,630 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:33:32,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:33:32,631 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:33:32,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:33:32,631 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:33:32,631 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d10bf8c0e842192a13f4b6638f03cf57668d5bee07d0b49c4b595de1c605066 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:33:32,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:33:32,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:33:32,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:33:32,965 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:33:32,966 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:33:32,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2023-08-29 03:33:33,996 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:33:34,178 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:33:34,179 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2023-08-29 03:33:34,190 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f415f59/ffea726350cb45adb573abb08c8615fc/FLAG1f570a28d [2023-08-29 03:33:34,205 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f415f59/ffea726350cb45adb573abb08c8615fc [2023-08-29 03:33:34,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:33:34,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:33:34,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:33:34,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:33:34,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:33:34,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf0248e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34, skipping insertion in model container [2023-08-29 03:33:34,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:33:34,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:33:34,359 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2135,2148] [2023-08-29 03:33:34,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:33:34,373 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:33:34,396 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2135,2148] [2023-08-29 03:33:34,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:33:34,407 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:33:34,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34 WrapperNode [2023-08-29 03:33:34,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:33:34,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:33:34,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:33:34,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:33:34,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,456 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2023-08-29 03:33:34,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:33:34,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:33:34,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:33:34,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:33:34,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,501 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:33:34,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:33:34,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:33:34,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:33:34,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (1/1) ... [2023-08-29 03:33:34,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:33:34,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:33:34,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:33:34,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:33:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:33:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:33:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:33:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:33:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:33:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:33:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:33:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:33:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:33:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:33:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:33:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:33:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:33:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:33:34,592 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:33:34,663 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:33:34,665 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:33:34,941 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:33:34,948 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:33:34,949 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 03:33:34,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:33:34 BoogieIcfgContainer [2023-08-29 03:33:34,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:33:34,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:33:34,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:33:34,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:33:34,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:33:34" (1/3) ... [2023-08-29 03:33:34,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d206820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:33:34, skipping insertion in model container [2023-08-29 03:33:34,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:33:34" (2/3) ... [2023-08-29 03:33:34,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d206820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:33:34, skipping insertion in model container [2023-08-29 03:33:34,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:33:34" (3/3) ... [2023-08-29 03:33:34,957 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2023-08-29 03:33:34,964 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:33:34,969 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:33:34,970 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-08-29 03:33:34,970 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:33:35,066 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:33:35,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 190 transitions, 404 flow [2023-08-29 03:33:35,149 INFO L130 PetriNetUnfolder]: 7/187 cut-off events. [2023-08-29 03:33:35,149 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:33:35,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 187 events. 7/187 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 265 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2023-08-29 03:33:35,156 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 190 transitions, 404 flow [2023-08-29 03:33:35,160 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 174 places, 170 transitions, 358 flow [2023-08-29 03:33:35,162 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:33:35,168 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 170 transitions, 358 flow [2023-08-29 03:33:35,170 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 170 transitions, 358 flow [2023-08-29 03:33:35,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 170 transitions, 358 flow [2023-08-29 03:33:35,194 INFO L130 PetriNetUnfolder]: 6/170 cut-off events. [2023-08-29 03:33:35,195 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:33:35,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 170 events. 6/170 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 262 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2023-08-29 03:33:35,199 INFO L119 LiptonReduction]: Number of co-enabled transitions 7362 [2023-08-29 03:33:37,942 INFO L134 LiptonReduction]: Checked pairs total: 18067 [2023-08-29 03:33:37,942 INFO L136 LiptonReduction]: Total number of compositions: 160 [2023-08-29 03:33:37,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:33:37,960 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;@3b2b90dd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:33:37,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-08-29 03:33:37,962 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:33:37,962 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:33:37,962 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:33:37,962 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:33:37,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-29 03:33:37,966 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:33:37,966 INFO L85 PathProgramCache]: Analyzing trace with hash 678, now seen corresponding path program 1 times [2023-08-29 03:33:37,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:33:37,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940262943] [2023-08-29 03:33:37,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:33:37,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:33:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:33:38,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:33:38,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:33:38,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940262943] [2023-08-29 03:33:38,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940262943] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:33:38,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:33:38,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:33:38,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765003268] [2023-08-29 03:33:38,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:33:38,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:33:38,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:33:38,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:33:38,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:33:38,066 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 350 [2023-08-29 03:33:38,068 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 57 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,069 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:33:38,069 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 350 [2023-08-29 03:33:38,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:33:38,280 INFO L130 PetriNetUnfolder]: 993/1854 cut-off events. [2023-08-29 03:33:38,280 INFO L131 PetriNetUnfolder]: For 81/81 co-relation queries the response was YES. [2023-08-29 03:33:38,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3304 conditions, 1854 events. 993/1854 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 11755 event pairs, 618 based on Foata normal form. 422/1820 useless extension candidates. Maximal degree in co-relation 2876. Up to 1353 conditions per place. [2023-08-29 03:33:38,290 INFO L137 encePairwiseOnDemand]: 332/350 looper letters, 23 selfloop transitions, 0 changer transitions 1/39 dead transitions. [2023-08-29 03:33:38,290 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 39 transitions, 144 flow [2023-08-29 03:33:38,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:33:38,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:33:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 400 transitions. [2023-08-29 03:33:38,301 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2023-08-29 03:33:38,302 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 400 transitions. [2023-08-29 03:33:38,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 400 transitions. [2023-08-29 03:33:38,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:33:38,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 400 transitions. [2023-08-29 03:33:38,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 200.0) internal successors, (400), 2 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,310 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,311 INFO L175 Difference]: Start difference. First operand has 61 places, 57 transitions, 132 flow. Second operand 2 states and 400 transitions. [2023-08-29 03:33:38,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 39 transitions, 144 flow [2023-08-29 03:33:38,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 39 transitions, 132 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 03:33:38,315 INFO L231 Difference]: Finished difference. Result has 41 places, 38 transitions, 81 flow [2023-08-29 03:33:38,316 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=81, PETRI_PLACES=41, PETRI_TRANSITIONS=38} [2023-08-29 03:33:38,318 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -20 predicate places. [2023-08-29 03:33:38,318 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 38 transitions, 81 flow [2023-08-29 03:33:38,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,319 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:33:38,319 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 03:33:38,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:33:38,319 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-29 03:33:38,320 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:33:38,320 INFO L85 PathProgramCache]: Analyzing trace with hash 642847132, now seen corresponding path program 1 times [2023-08-29 03:33:38,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:33:38,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559382908] [2023-08-29 03:33:38,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:33:38,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:33:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:33:38,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:33:38,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:33:38,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559382908] [2023-08-29 03:33:38,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559382908] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:33:38,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:33:38,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:33:38,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417060384] [2023-08-29 03:33:38,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:33:38,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:33:38,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:33:38,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:33:38,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:33:38,387 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 350 [2023-08-29 03:33:38,387 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 38 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,387 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:33:38,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 350 [2023-08-29 03:33:38,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:33:38,548 INFO L130 PetriNetUnfolder]: 1393/2315 cut-off events. [2023-08-29 03:33:38,548 INFO L131 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2023-08-29 03:33:38,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4355 conditions, 2315 events. 1393/2315 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 12457 event pairs, 740 based on Foata normal form. 0/1962 useless extension candidates. Maximal degree in co-relation 4352. Up to 1987 conditions per place. [2023-08-29 03:33:38,556 INFO L137 encePairwiseOnDemand]: 344/350 looper letters, 31 selfloop transitions, 3 changer transitions 0/43 dead transitions. [2023-08-29 03:33:38,556 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 43 transitions, 161 flow [2023-08-29 03:33:38,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:33:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:33:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 544 transitions. [2023-08-29 03:33:38,558 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.518095238095238 [2023-08-29 03:33:38,558 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 544 transitions. [2023-08-29 03:33:38,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 544 transitions. [2023-08-29 03:33:38,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:33:38,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 544 transitions. [2023-08-29 03:33:38,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,562 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,562 INFO L175 Difference]: Start difference. First operand has 41 places, 38 transitions, 81 flow. Second operand 3 states and 544 transitions. [2023-08-29 03:33:38,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 43 transitions, 161 flow [2023-08-29 03:33:38,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 43 transitions, 161 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:33:38,563 INFO L231 Difference]: Finished difference. Result has 40 places, 38 transitions, 96 flow [2023-08-29 03:33:38,564 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=40, PETRI_TRANSITIONS=38} [2023-08-29 03:33:38,564 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -21 predicate places. [2023-08-29 03:33:38,564 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 38 transitions, 96 flow [2023-08-29 03:33:38,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:33:38,565 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:33:38,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:33:38,565 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-29 03:33:38,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:33:38,566 INFO L85 PathProgramCache]: Analyzing trace with hash -699065315, now seen corresponding path program 1 times [2023-08-29 03:33:38,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:33:38,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994349905] [2023-08-29 03:33:38,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:33:38,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:33:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:33:38,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:33:38,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:33:38,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994349905] [2023-08-29 03:33:38,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994349905] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:33:38,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:33:38,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:33:38,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51008199] [2023-08-29 03:33:38,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:33:38,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:33:38,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:33:38,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:33:38,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:33:38,642 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 350 [2023-08-29 03:33:38,643 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 38 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,643 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:33:38,643 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 350 [2023-08-29 03:33:38,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:33:38,827 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][23], [201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 80#L42-1true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true, 158#L75-4true]) [2023-08-29 03:33:38,827 INFO L383 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2023-08-29 03:33:38,827 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-08-29 03:33:38,827 INFO L386 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2023-08-29 03:33:38,827 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-08-29 03:33:38,839 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][23], [201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 80#L42-1true, 7#L76-6true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true]) [2023-08-29 03:33:38,839 INFO L383 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2023-08-29 03:33:38,839 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-08-29 03:33:38,839 INFO L386 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2023-08-29 03:33:38,839 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-08-29 03:33:38,847 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([409] L42-7-->L42-1: Formula: (= |v_#race~c~0_1| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_1|} AuxVars[] AssignedVars[#race~c~0][14], [201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 80#L42-1true, 7#L76-6true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true]) [2023-08-29 03:33:38,847 INFO L383 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2023-08-29 03:33:38,847 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-08-29 03:33:38,847 INFO L386 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2023-08-29 03:33:38,847 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-08-29 03:33:38,856 INFO L130 PetriNetUnfolder]: 2019/3154 cut-off events. [2023-08-29 03:33:38,856 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2023-08-29 03:33:38,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6142 conditions, 3154 events. 2019/3154 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 17873 event pairs, 466 based on Foata normal form. 0/2324 useless extension candidates. Maximal degree in co-relation 6138. Up to 1922 conditions per place. [2023-08-29 03:33:38,870 INFO L137 encePairwiseOnDemand]: 346/350 looper letters, 41 selfloop transitions, 2 changer transitions 0/55 dead transitions. [2023-08-29 03:33:38,870 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 55 transitions, 220 flow [2023-08-29 03:33:38,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:33:38,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:33:38,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 561 transitions. [2023-08-29 03:33:38,872 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5342857142857143 [2023-08-29 03:33:38,872 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 561 transitions. [2023-08-29 03:33:38,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 561 transitions. [2023-08-29 03:33:38,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:33:38,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 561 transitions. [2023-08-29 03:33:38,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,876 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,876 INFO L175 Difference]: Start difference. First operand has 40 places, 38 transitions, 96 flow. Second operand 3 states and 561 transitions. [2023-08-29 03:33:38,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 55 transitions, 220 flow [2023-08-29 03:33:38,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 55 transitions, 220 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:33:38,878 INFO L231 Difference]: Finished difference. Result has 41 places, 38 transitions, 106 flow [2023-08-29 03:33:38,878 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=41, PETRI_TRANSITIONS=38} [2023-08-29 03:33:38,879 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -20 predicate places. [2023-08-29 03:33:38,881 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 38 transitions, 106 flow [2023-08-29 03:33:38,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,882 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:33:38,882 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:33:38,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:33:38,882 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-08-29 03:33:38,883 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:33:38,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1156444705, now seen corresponding path program 1 times [2023-08-29 03:33:38,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:33:38,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7573934] [2023-08-29 03:33:38,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:33:38,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:33:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:33:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:33:38,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:33:38,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7573934] [2023-08-29 03:33:38,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7573934] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:33:38,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:33:38,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:33:38,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135966338] [2023-08-29 03:33:38,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:33:38,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:33:38,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:33:38,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:33:38,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:33:38,956 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 350 [2023-08-29 03:33:38,956 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 38 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:38,957 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:33:38,957 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 350 [2023-08-29 03:33:38,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:33:39,137 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [211#(= |#race~b~0| 0), Black: 204#true, 201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 80#L42-1true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true, 158#L75-4true]) [2023-08-29 03:33:39,138 INFO L383 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2023-08-29 03:33:39,138 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-08-29 03:33:39,168 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-08-29 03:33:39,169 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-08-29 03:33:39,185 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [211#(= |#race~b~0| 0), Black: 204#true, 201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 80#L42-1true, 7#L76-6true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true]) [2023-08-29 03:33:39,185 INFO L383 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2023-08-29 03:33:39,185 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-08-29 03:33:39,185 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-08-29 03:33:39,185 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-08-29 03:33:39,188 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [Black: 204#true, 211#(= |#race~b~0| 0), 69#thread1EXITtrue, 201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true, 158#L75-4true]) [2023-08-29 03:33:39,188 INFO L383 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2023-08-29 03:33:39,188 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-08-29 03:33:39,188 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-08-29 03:33:39,188 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-08-29 03:33:39,191 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [211#(= |#race~b~0| 0), Black: 204#true, 201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true, 119#L43true, 158#L75-4true]) [2023-08-29 03:33:39,192 INFO L383 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2023-08-29 03:33:39,192 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-08-29 03:33:39,192 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-08-29 03:33:39,192 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-08-29 03:33:39,197 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [Black: 204#true, 211#(= |#race~b~0| 0), 69#thread1EXITtrue, 201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 7#L76-6true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true]) [2023-08-29 03:33:39,197 INFO L383 tUnfolder$Statistics]: this new event has 24 ancestors and is cut-off event [2023-08-29 03:33:39,197 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-08-29 03:33:39,197 INFO L386 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2023-08-29 03:33:39,197 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-08-29 03:33:39,199 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [Black: 204#true, 211#(= |#race~b~0| 0), 201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 7#L76-6true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true, 119#L43true]) [2023-08-29 03:33:39,200 INFO L383 tUnfolder$Statistics]: this new event has 24 ancestors and is cut-off event [2023-08-29 03:33:39,200 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-08-29 03:33:39,200 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-08-29 03:33:39,200 INFO L386 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2023-08-29 03:33:39,200 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [211#(= |#race~b~0| 0), Black: 204#true, 201#(= |#race~c~0| 0), 112#L58-1true, 49#L43-3true, 77#L50-1true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true, 158#L75-4true]) [2023-08-29 03:33:39,200 INFO L383 tUnfolder$Statistics]: this new event has 24 ancestors and is cut-off event [2023-08-29 03:33:39,201 INFO L386 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2023-08-29 03:33:39,201 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2023-08-29 03:33:39,201 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-08-29 03:33:39,203 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [211#(= |#race~b~0| 0), Black: 204#true, 201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true, 121#L76-7true]) [2023-08-29 03:33:39,203 INFO L383 tUnfolder$Statistics]: this new event has 25 ancestors and is cut-off event [2023-08-29 03:33:39,203 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2023-08-29 03:33:39,203 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-08-29 03:33:39,203 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-08-29 03:33:39,205 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [211#(= |#race~b~0| 0), Black: 204#true, 201#(= |#race~c~0| 0), 112#L58-1true, 49#L43-3true, 77#L50-1true, 7#L76-6true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true]) [2023-08-29 03:33:39,205 INFO L383 tUnfolder$Statistics]: this new event has 25 ancestors and is cut-off event [2023-08-29 03:33:39,205 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-08-29 03:33:39,205 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2023-08-29 03:33:39,205 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-08-29 03:33:39,206 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [211#(= |#race~b~0| 0), Black: 204#true, 201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 46#L42-7true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true, 158#L75-4true]) [2023-08-29 03:33:39,206 INFO L383 tUnfolder$Statistics]: this new event has 25 ancestors and is cut-off event [2023-08-29 03:33:39,206 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2023-08-29 03:33:39,206 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2023-08-29 03:33:39,206 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2023-08-29 03:33:39,207 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [Black: 204#true, 211#(= |#race~b~0| 0), 201#(= |#race~c~0| 0), 112#L58-1true, 15#L77-6true, 77#L50-1true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true]) [2023-08-29 03:33:39,207 INFO L383 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2023-08-29 03:33:39,207 INFO L386 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2023-08-29 03:33:39,207 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-08-29 03:33:39,207 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 03:33:39,208 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([457] L58-7-->L58-1: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][21], [211#(= |#race~b~0| 0), Black: 204#true, 201#(= |#race~c~0| 0), 112#L58-1true, 77#L50-1true, 7#L76-6true, 46#L42-7true, 206#(= |#race~a~0| 0), Black: 199#true, 196#true]) [2023-08-29 03:33:39,208 INFO L383 tUnfolder$Statistics]: this new event has 26 ancestors and is cut-off event [2023-08-29 03:33:39,208 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2023-08-29 03:33:39,208 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2023-08-29 03:33:39,208 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 03:33:39,209 INFO L130 PetriNetUnfolder]: 2563/3878 cut-off events. [2023-08-29 03:33:39,209 INFO L131 PetriNetUnfolder]: For 316/316 co-relation queries the response was YES. [2023-08-29 03:33:39,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8250 conditions, 3878 events. 2563/3878 cut-off events. For 316/316 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 21975 event pairs, 711 based on Foata normal form. 0/2818 useless extension candidates. Maximal degree in co-relation 8245. Up to 2320 conditions per place. [2023-08-29 03:33:39,216 INFO L137 encePairwiseOnDemand]: 346/350 looper letters, 0 selfloop transitions, 0 changer transitions 56/56 dead transitions. [2023-08-29 03:33:39,216 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 56 transitions, 247 flow [2023-08-29 03:33:39,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:33:39,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:33:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2023-08-29 03:33:39,217 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2023-08-29 03:33:39,218 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2023-08-29 03:33:39,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2023-08-29 03:33:39,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:33:39,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2023-08-29 03:33:39,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:39,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:39,223 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:39,223 INFO L175 Difference]: Start difference. First operand has 41 places, 38 transitions, 106 flow. Second operand 3 states and 560 transitions. [2023-08-29 03:33:39,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 56 transitions, 247 flow [2023-08-29 03:33:39,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 56 transitions, 247 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:33:39,224 INFO L231 Difference]: Finished difference. Result has 41 places, 0 transitions, 0 flow [2023-08-29 03:33:39,225 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=41, PETRI_TRANSITIONS=0} [2023-08-29 03:33:39,226 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -20 predicate places. [2023-08-29 03:33:39,226 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 0 transitions, 0 flow [2023-08-29 03:33:39,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:33:39,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2023-08-29 03:33:39,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2023-08-29 03:33:39,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2023-08-29 03:33:39,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2023-08-29 03:33:39,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2023-08-29 03:33:39,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2023-08-29 03:33:39,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2023-08-29 03:33:39,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2023-08-29 03:33:39,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2023-08-29 03:33:39,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2023-08-29 03:33:39,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2023-08-29 03:33:39,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2023-08-29 03:33:39,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2023-08-29 03:33:39,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2023-08-29 03:33:39,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2023-08-29 03:33:39,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2023-08-29 03:33:39,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2023-08-29 03:33:39,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2023-08-29 03:33:39,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2023-08-29 03:33:39,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2023-08-29 03:33:39,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2023-08-29 03:33:39,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2023-08-29 03:33:39,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 38 remaining) [2023-08-29 03:33:39,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 38 remaining) [2023-08-29 03:33:39,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2023-08-29 03:33:39,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 38 remaining) [2023-08-29 03:33:39,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2023-08-29 03:33:39,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2023-08-29 03:33:39,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2023-08-29 03:33:39,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2023-08-29 03:33:39,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2023-08-29 03:33:39,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2023-08-29 03:33:39,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2023-08-29 03:33:39,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2023-08-29 03:33:39,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2023-08-29 03:33:39,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2023-08-29 03:33:39,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2023-08-29 03:33:39,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2023-08-29 03:33:39,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:33:39,234 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 03:33:39,237 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:33:39,237 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:33:39,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:33:39 BasicIcfg [2023-08-29 03:33:39,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:33:39,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:33:39,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:33:39,240 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:33:39,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:33:34" (3/4) ... [2023-08-29 03:33:39,242 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:33:39,245 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:33:39,245 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:33:39,245 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:33:39,248 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-08-29 03:33:39,248 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:33:39,248 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:33:39,248 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:33:39,279 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:33:39,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:33:39,280 INFO L158 Benchmark]: Toolchain (without parser) took 5072.86ms. Allocated memory was 67.1MB in the beginning and 180.4MB in the end (delta: 113.2MB). Free memory was 45.2MB in the beginning and 83.6MB in the end (delta: -38.4MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2023-08-29 03:33:39,281 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 55.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:33:39,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.26ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 33.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:33:39,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.76ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 33.5MB in the beginning and 62.2MB in the end (delta: -28.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-08-29 03:33:39,281 INFO L158 Benchmark]: Boogie Preprocessor took 43.83ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 60.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:33:39,282 INFO L158 Benchmark]: RCFGBuilder took 446.12ms. Allocated memory is still 81.8MB. Free memory was 60.5MB in the beginning and 42.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-29 03:33:39,282 INFO L158 Benchmark]: TraceAbstraction took 4287.02ms. Allocated memory was 81.8MB in the beginning and 180.4MB in the end (delta: 98.6MB). Free memory was 42.0MB in the beginning and 86.7MB in the end (delta: -44.7MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2023-08-29 03:33:39,282 INFO L158 Benchmark]: Witness Printer took 40.51ms. Allocated memory is still 180.4MB. Free memory was 86.7MB in the beginning and 83.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:33:39,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 55.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.26ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 33.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.76ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 33.5MB in the beginning and 62.2MB in the end (delta: -28.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.83ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 60.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.12ms. Allocated memory is still 81.8MB. Free memory was 60.5MB in the beginning and 42.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4287.02ms. Allocated memory was 81.8MB in the beginning and 180.4MB in the end (delta: 98.6MB). Free memory was 42.0MB in the beginning and 86.7MB in the end (delta: -44.7MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. * Witness Printer took 40.51ms. Allocated memory is still 180.4MB. Free memory was 86.7MB in the beginning and 83.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 174 PlacesBefore, 61 PlacesAfterwards, 170 TransitionsBefore, 57 TransitionsAfterwards, 7362 CoEnabledTransitionPairs, 6 FixpointIterations, 62 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 0 ChoiceCompositions, 160 TotalNumberOfCompositions, 18067 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9922, independent: 9628, independent conditional: 0, independent unconditional: 9628, dependent: 294, dependent conditional: 0, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4267, independent: 4214, independent conditional: 0, independent unconditional: 4214, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9922, independent: 5414, independent conditional: 0, independent unconditional: 5414, dependent: 241, dependent conditional: 0, dependent unconditional: 241, unknown: 4267, unknown conditional: 0, unknown unconditional: 4267] , Statistics on independence cache: Total cache size (in pairs): 438, Positive cache size: 405, Positive conditional cache size: 0, Positive unconditional cache size: 405, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 259 locations, 38 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 202 IncrementalHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 7 mSDtfsCounter, 202 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:33:39,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE