./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 016929a4a7ae1865ccc9d17762b9a3f4b350d2f1f075a0491feba933e4e45fac --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:52:04,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:52:04,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:52:04,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:52:04,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:52:04,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:52:04,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:52:04,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:52:04,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:52:04,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:52:04,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:52:04,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:52:04,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:52:04,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:52:04,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:52:04,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:52:04,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:52:04,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:52:04,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:52:04,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:52:04,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:52:04,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:52:04,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:52:04,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:52:04,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:52:04,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:52:04,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:52:04,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:52:04,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:52:04,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:52:04,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:52:04,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:52:04,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:52:04,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:52:04,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:52:04,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:52:04,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:52:04,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:52:04,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:52:04,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:52:04,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:52:04,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:52:04,525 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:52:04,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:52:04,526 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:52:04,526 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:52:04,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:52:04,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:52:04,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:52:04,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:52:04,528 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:52:04,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:52:04,529 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:52:04,530 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:52:04,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:52:04,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:52:04,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:52:04,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:52:04,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:52:04,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:52:04,531 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:52:04,531 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:52:04,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:52:04,532 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:52:04,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:52:04,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:52:04,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:52:04,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:52:04,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:52:04,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:52:04,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:52:04,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:52:04,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:52:04,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:52:04,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:52:04,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:52:04,534 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:52:04,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:52:04,535 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:52:04,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 016929a4a7ae1865ccc9d17762b9a3f4b350d2f1f075a0491feba933e4e45fac Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:52:04,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:52:04,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:52:04,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:52:04,873 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:52:04,873 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:52:04,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2023-08-29 18:52:05,937 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:52:06,118 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:52:06,119 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2023-08-29 18:52:06,127 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40d21cd4e/071d9561846a446e885dc60cda14e2b4/FLAG3420f2960 [2023-08-29 18:52:06,148 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40d21cd4e/071d9561846a446e885dc60cda14e2b4 [2023-08-29 18:52:06,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:52:06,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:52:06,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:52:06,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:52:06,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:52:06,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586af454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06, skipping insertion in model container [2023-08-29 18:52:06,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:52:06,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:52:06,377 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597] [2023-08-29 18:52:06,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:52:06,394 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:52:06,435 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597] [2023-08-29 18:52:06,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:52:06,458 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:52:06,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06 WrapperNode [2023-08-29 18:52:06,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:52:06,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:52:06,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:52:06,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:52:06,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,520 INFO L138 Inliner]: procedures = 22, calls = 27, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 260 [2023-08-29 18:52:06,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:52:06,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:52:06,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:52:06,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:52:06,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:52:06,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:52:06,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:52:06,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:52:06,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (1/1) ... [2023-08-29 18:52:06,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:52:06,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:52:06,625 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 18:52:06,650 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 18:52:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:52:06,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 18:52:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 18:52:06,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 18:52:06,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 18:52:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:52:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:52:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:52:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:52:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:52:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:52:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:52:06,669 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 18:52:06,802 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:52:06,804 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:52:07,150 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:52:07,160 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:52:07,161 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 18:52:07,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:52:07 BoogieIcfgContainer [2023-08-29 18:52:07,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:52:07,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:52:07,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:52:07,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:52:07,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:52:06" (1/3) ... [2023-08-29 18:52:07,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c2e246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:52:07, skipping insertion in model container [2023-08-29 18:52:07,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:06" (2/3) ... [2023-08-29 18:52:07,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c2e246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:52:07, skipping insertion in model container [2023-08-29 18:52:07,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:52:07" (3/3) ... [2023-08-29 18:52:07,178 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c [2023-08-29 18:52:07,187 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:52:07,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:52:07,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-08-29 18:52:07,195 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:52:07,346 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 18:52:07,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 326 transitions, 668 flow [2023-08-29 18:52:07,521 INFO L130 PetriNetUnfolder]: 16/324 cut-off events. [2023-08-29 18:52:07,521 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 18:52:07,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 324 events. 16/324 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 349 event pairs, 0 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 181. Up to 2 conditions per place. [2023-08-29 18:52:07,532 INFO L82 GeneralOperation]: Start removeDead. Operand has 317 places, 326 transitions, 668 flow [2023-08-29 18:52:07,542 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 299 places, 306 transitions, 624 flow [2023-08-29 18:52:07,545 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:52:07,559 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 299 places, 306 transitions, 624 flow [2023-08-29 18:52:07,562 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 299 places, 306 transitions, 624 flow [2023-08-29 18:52:07,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 299 places, 306 transitions, 624 flow [2023-08-29 18:52:07,646 INFO L130 PetriNetUnfolder]: 14/306 cut-off events. [2023-08-29 18:52:07,646 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 18:52:07,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 306 events. 14/306 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 337 event pairs, 0 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 181. Up to 2 conditions per place. [2023-08-29 18:52:07,660 INFO L119 LiptonReduction]: Number of co-enabled transitions 18468 [2023-08-29 18:52:13,875 INFO L134 LiptonReduction]: Checked pairs total: 48543 [2023-08-29 18:52:13,875 INFO L136 LiptonReduction]: Total number of compositions: 317 [2023-08-29 18:52:13,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:52:13,895 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;@62715bd0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:52:13,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2023-08-29 18:52:13,897 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 18:52:13,897 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:52:13,897 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:13,898 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 18:52:13,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-08-29 18:52:13,902 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:13,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1224, now seen corresponding path program 1 times [2023-08-29 18:52:13,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:13,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523310593] [2023-08-29 18:52:13,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:13,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:52:13,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:13,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523310593] [2023-08-29 18:52:13,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523310593] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:13,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:13,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 18:52:13,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111088897] [2023-08-29 18:52:14,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:14,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:52:14,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:14,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:52:14,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:52:14,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 643 [2023-08-29 18:52:14,079 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 77 transitions, 166 flow. Second operand has 2 states, 2 states have (on average 310.5) internal successors, (621), 2 states have internal predecessors, (621), 0 states have call successors, (0), 0 states 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 18:52:14,080 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:14,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 643 [2023-08-29 18:52:14,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:14,230 INFO L130 PetriNetUnfolder]: 225/674 cut-off events. [2023-08-29 18:52:14,230 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2023-08-29 18:52:14,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1092 conditions, 674 events. 225/674 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4062 event pairs, 189 based on Foata normal form. 18/579 useless extension candidates. Maximal degree in co-relation 1007. Up to 388 conditions per place. [2023-08-29 18:52:14,236 INFO L137 encePairwiseOnDemand]: 626/643 looper letters, 23 selfloop transitions, 0 changer transitions 1/60 dead transitions. [2023-08-29 18:52:14,236 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 60 transitions, 180 flow [2023-08-29 18:52:14,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:52:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:52:14,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 661 transitions. [2023-08-29 18:52:14,256 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5139968895800933 [2023-08-29 18:52:14,257 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 661 transitions. [2023-08-29 18:52:14,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 661 transitions. [2023-08-29 18:52:14,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:14,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 661 transitions. [2023-08-29 18:52:14,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 330.5) internal successors, (661), 2 states have internal predecessors, (661), 0 states have call successors, (0), 0 states 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 18:52:14,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states 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 18:52:14,276 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 643.0) internal successors, (1929), 3 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states 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 18:52:14,277 INFO L175 Difference]: Start difference. First operand has 81 places, 77 transitions, 166 flow. Second operand 2 states and 661 transitions. [2023-08-29 18:52:14,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 60 transitions, 180 flow [2023-08-29 18:52:14,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 60 transitions, 172 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:52:14,284 INFO L231 Difference]: Finished difference. Result has 62 places, 59 transitions, 121 flow [2023-08-29 18:52:14,285 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=121, PETRI_PLACES=62, PETRI_TRANSITIONS=59} [2023-08-29 18:52:14,289 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -19 predicate places. [2023-08-29 18:52:14,289 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 59 transitions, 121 flow [2023-08-29 18:52:14,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 310.5) internal successors, (621), 2 states have internal predecessors, (621), 0 states have call successors, (0), 0 states 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 18:52:14,290 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:14,290 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 18:52:14,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:52:14,292 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-08-29 18:52:14,300 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:14,301 INFO L85 PathProgramCache]: Analyzing trace with hash 37574052, now seen corresponding path program 1 times [2023-08-29 18:52:14,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:14,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945445710] [2023-08-29 18:52:14,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:14,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:14,424 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 18:52:14,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:14,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945445710] [2023-08-29 18:52:14,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945445710] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:14,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:14,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:14,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833852906] [2023-08-29 18:52:14,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:14,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:14,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:14,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:14,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:14,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 643 [2023-08-29 18:52:14,466 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 59 transitions, 121 flow. Second operand has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states 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 18:52:14,467 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:14,467 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 643 [2023-08-29 18:52:14,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:14,596 INFO L130 PetriNetUnfolder]: 309/863 cut-off events. [2023-08-29 18:52:14,596 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 18:52:14,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1405 conditions, 863 events. 309/863 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5264 event pairs, 127 based on Foata normal form. 0/744 useless extension candidates. Maximal degree in co-relation 1402. Up to 520 conditions per place. [2023-08-29 18:52:14,601 INFO L137 encePairwiseOnDemand]: 639/643 looper letters, 30 selfloop transitions, 2 changer transitions 0/63 dead transitions. [2023-08-29 18:52:14,602 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 63 transitions, 194 flow [2023-08-29 18:52:14,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2023-08-29 18:52:14,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48885432866770345 [2023-08-29 18:52:14,605 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 943 transitions. [2023-08-29 18:52:14,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 943 transitions. [2023-08-29 18:52:14,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:14,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 943 transitions. [2023-08-29 18:52:14,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states 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 18:52:14,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:14,612 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:14,613 INFO L175 Difference]: Start difference. First operand has 62 places, 59 transitions, 121 flow. Second operand 3 states and 943 transitions. [2023-08-29 18:52:14,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 63 transitions, 194 flow [2023-08-29 18:52:14,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 63 transitions, 194 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:52:14,615 INFO L231 Difference]: Finished difference. Result has 62 places, 59 transitions, 131 flow [2023-08-29 18:52:14,615 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=62, PETRI_TRANSITIONS=59} [2023-08-29 18:52:14,616 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -19 predicate places. [2023-08-29 18:52:14,616 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 59 transitions, 131 flow [2023-08-29 18:52:14,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states 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 18:52:14,617 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:14,617 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 18:52:14,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:52:14,617 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-08-29 18:52:14,619 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:14,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1748949638, now seen corresponding path program 1 times [2023-08-29 18:52:14,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:14,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72781400] [2023-08-29 18:52:14,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:14,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:14,690 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 18:52:14,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:14,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72781400] [2023-08-29 18:52:14,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72781400] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:14,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:14,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:14,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869904157] [2023-08-29 18:52:14,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:14,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:14,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:14,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:14,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:14,719 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 643 [2023-08-29 18:52:14,721 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 59 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states 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 18:52:14,721 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:14,721 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 643 [2023-08-29 18:52:14,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:14,817 INFO L130 PetriNetUnfolder]: 291/781 cut-off events. [2023-08-29 18:52:14,818 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2023-08-29 18:52:14,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1325 conditions, 781 events. 291/781 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4621 event pairs, 99 based on Foata normal form. 0/676 useless extension candidates. Maximal degree in co-relation 1321. Up to 488 conditions per place. [2023-08-29 18:52:14,822 INFO L137 encePairwiseOnDemand]: 639/643 looper letters, 31 selfloop transitions, 2 changer transitions 0/64 dead transitions. [2023-08-29 18:52:14,822 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 64 transitions, 210 flow [2023-08-29 18:52:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:14,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2023-08-29 18:52:14,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48885432866770345 [2023-08-29 18:52:14,825 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 943 transitions. [2023-08-29 18:52:14,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 943 transitions. [2023-08-29 18:52:14,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:14,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 943 transitions. [2023-08-29 18:52:14,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states 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 18:52:14,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:14,832 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:14,832 INFO L175 Difference]: Start difference. First operand has 62 places, 59 transitions, 131 flow. Second operand 3 states and 943 transitions. [2023-08-29 18:52:14,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 64 transitions, 210 flow [2023-08-29 18:52:14,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 64 transitions, 210 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:52:14,835 INFO L231 Difference]: Finished difference. Result has 63 places, 59 transitions, 141 flow [2023-08-29 18:52:14,836 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=63, PETRI_TRANSITIONS=59} [2023-08-29 18:52:14,836 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -18 predicate places. [2023-08-29 18:52:14,836 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 59 transitions, 141 flow [2023-08-29 18:52:14,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states 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 18:52:14,837 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:14,837 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 18:52:14,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:52:14,837 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-08-29 18:52:14,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:14,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1760665763, now seen corresponding path program 1 times [2023-08-29 18:52:14,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:14,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047527646] [2023-08-29 18:52:14,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:14,915 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 18:52:14,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:14,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047527646] [2023-08-29 18:52:14,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047527646] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:14,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:14,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:14,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272817637] [2023-08-29 18:52:14,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:14,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:14,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:14,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:14,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:14,928 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 643 [2023-08-29 18:52:14,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 59 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states 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 18:52:14,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:14,930 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 643 [2023-08-29 18:52:14,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:15,033 INFO L130 PetriNetUnfolder]: 328/928 cut-off events. [2023-08-29 18:52:15,033 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2023-08-29 18:52:15,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1552 conditions, 928 events. 328/928 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5843 event pairs, 131 based on Foata normal form. 0/806 useless extension candidates. Maximal degree in co-relation 1547. Up to 553 conditions per place. [2023-08-29 18:52:15,039 INFO L137 encePairwiseOnDemand]: 639/643 looper letters, 31 selfloop transitions, 2 changer transitions 0/63 dead transitions. [2023-08-29 18:52:15,040 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 63 transitions, 216 flow [2023-08-29 18:52:15,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2023-08-29 18:52:15,043 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48885432866770345 [2023-08-29 18:52:15,043 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 943 transitions. [2023-08-29 18:52:15,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 943 transitions. [2023-08-29 18:52:15,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:15,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 943 transitions. [2023-08-29 18:52:15,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states 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 18:52:15,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:15,071 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:15,071 INFO L175 Difference]: Start difference. First operand has 63 places, 59 transitions, 141 flow. Second operand 3 states and 943 transitions. [2023-08-29 18:52:15,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 63 transitions, 216 flow [2023-08-29 18:52:15,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 63 transitions, 216 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:52:15,074 INFO L231 Difference]: Finished difference. Result has 64 places, 59 transitions, 151 flow [2023-08-29 18:52:15,075 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=64, PETRI_TRANSITIONS=59} [2023-08-29 18:52:15,077 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -17 predicate places. [2023-08-29 18:52:15,077 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 59 transitions, 151 flow [2023-08-29 18:52:15,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states 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 18:52:15,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:15,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:15,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:52:15,078 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-08-29 18:52:15,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:15,079 INFO L85 PathProgramCache]: Analyzing trace with hash -217289755, now seen corresponding path program 1 times [2023-08-29 18:52:15,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:15,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765255955] [2023-08-29 18:52:15,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:15,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:15,126 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 18:52:15,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:15,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765255955] [2023-08-29 18:52:15,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765255955] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:15,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:15,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:15,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659397129] [2023-08-29 18:52:15,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:15,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:15,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:15,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:15,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:15,139 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 643 [2023-08-29 18:52:15,140 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 59 transitions, 151 flow. Second operand has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states 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 18:52:15,140 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:15,140 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 643 [2023-08-29 18:52:15,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:15,263 INFO L130 PetriNetUnfolder]: 310/883 cut-off events. [2023-08-29 18:52:15,263 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2023-08-29 18:52:15,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1518 conditions, 883 events. 310/883 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 5545 event pairs, 105 based on Foata normal form. 0/760 useless extension candidates. Maximal degree in co-relation 1512. Up to 519 conditions per place. [2023-08-29 18:52:15,268 INFO L137 encePairwiseOnDemand]: 639/643 looper letters, 32 selfloop transitions, 2 changer transitions 0/64 dead transitions. [2023-08-29 18:52:15,268 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 64 transitions, 232 flow [2023-08-29 18:52:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:15,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2023-08-29 18:52:15,272 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48885432866770345 [2023-08-29 18:52:15,272 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 943 transitions. [2023-08-29 18:52:15,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 943 transitions. [2023-08-29 18:52:15,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:15,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 943 transitions. [2023-08-29 18:52:15,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states 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 18:52:15,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:15,280 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:15,280 INFO L175 Difference]: Start difference. First operand has 64 places, 59 transitions, 151 flow. Second operand 3 states and 943 transitions. [2023-08-29 18:52:15,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 64 transitions, 232 flow [2023-08-29 18:52:15,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 64 transitions, 232 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:52:15,284 INFO L231 Difference]: Finished difference. Result has 65 places, 59 transitions, 161 flow [2023-08-29 18:52:15,284 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=161, PETRI_PLACES=65, PETRI_TRANSITIONS=59} [2023-08-29 18:52:15,285 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -16 predicate places. [2023-08-29 18:52:15,285 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 59 transitions, 161 flow [2023-08-29 18:52:15,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states 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 18:52:15,286 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:15,286 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:15,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 18:52:15,286 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-08-29 18:52:15,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:15,287 INFO L85 PathProgramCache]: Analyzing trace with hash 550147230, now seen corresponding path program 1 times [2023-08-29 18:52:15,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:15,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475345486] [2023-08-29 18:52:15,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:15,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:15,351 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 18:52:15,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:15,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475345486] [2023-08-29 18:52:15,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475345486] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:15,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:15,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:15,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209290863] [2023-08-29 18:52:15,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:15,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:15,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:15,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:15,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:15,373 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 643 [2023-08-29 18:52:15,375 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 59 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 18:52:15,375 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:15,375 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 643 [2023-08-29 18:52:15,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:15,506 INFO L130 PetriNetUnfolder]: 420/953 cut-off events. [2023-08-29 18:52:15,506 INFO L131 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2023-08-29 18:52:15,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1819 conditions, 953 events. 420/953 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5082 event pairs, 129 based on Foata normal form. 0/861 useless extension candidates. Maximal degree in co-relation 1812. Up to 622 conditions per place. [2023-08-29 18:52:15,511 INFO L137 encePairwiseOnDemand]: 637/643 looper letters, 40 selfloop transitions, 2 changer transitions 0/67 dead transitions. [2023-08-29 18:52:15,512 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 67 transitions, 266 flow [2023-08-29 18:52:15,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:15,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2023-08-29 18:52:15,514 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4847071021254536 [2023-08-29 18:52:15,515 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 935 transitions. [2023-08-29 18:52:15,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 935 transitions. [2023-08-29 18:52:15,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:15,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 935 transitions. [2023-08-29 18:52:15,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states 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 18:52:15,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:15,522 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:15,522 INFO L175 Difference]: Start difference. First operand has 65 places, 59 transitions, 161 flow. Second operand 3 states and 935 transitions. [2023-08-29 18:52:15,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 67 transitions, 266 flow [2023-08-29 18:52:15,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 67 transitions, 266 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:52:15,524 INFO L231 Difference]: Finished difference. Result has 64 places, 57 transitions, 167 flow [2023-08-29 18:52:15,524 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=167, PETRI_PLACES=64, PETRI_TRANSITIONS=57} [2023-08-29 18:52:15,525 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -17 predicate places. [2023-08-29 18:52:15,525 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 57 transitions, 167 flow [2023-08-29 18:52:15,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states 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 18:52:15,526 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:15,526 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:15,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 18:52:15,526 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-08-29 18:52:15,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:15,527 INFO L85 PathProgramCache]: Analyzing trace with hash 410536448, now seen corresponding path program 1 times [2023-08-29 18:52:15,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:15,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882877445] [2023-08-29 18:52:15,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:15,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:15,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:52:15,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:15,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882877445] [2023-08-29 18:52:15,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882877445] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:15,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:15,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:15,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380690806] [2023-08-29 18:52:15,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:15,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:15,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:15,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:15,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:15,569 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 643 [2023-08-29 18:52:15,570 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 57 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states 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 18:52:15,571 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:15,571 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 643 [2023-08-29 18:52:15,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:15,687 INFO L130 PetriNetUnfolder]: 422/911 cut-off events. [2023-08-29 18:52:15,688 INFO L131 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2023-08-29 18:52:15,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1867 conditions, 911 events. 422/911 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4562 event pairs, 131 based on Foata normal form. 0/875 useless extension candidates. Maximal degree in co-relation 1859. Up to 620 conditions per place. [2023-08-29 18:52:15,690 INFO L137 encePairwiseOnDemand]: 637/643 looper letters, 0 selfloop transitions, 0 changer transitions 65/65 dead transitions. [2023-08-29 18:52:15,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 65 transitions, 277 flow [2023-08-29 18:52:15,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:15,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:15,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2023-08-29 18:52:15,693 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4847071021254536 [2023-08-29 18:52:15,694 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 935 transitions. [2023-08-29 18:52:15,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 935 transitions. [2023-08-29 18:52:15,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:15,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 935 transitions. [2023-08-29 18:52:15,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states 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 18:52:15,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:15,699 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 643.0) internal successors, (2572), 4 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states 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 18:52:15,699 INFO L175 Difference]: Start difference. First operand has 64 places, 57 transitions, 167 flow. Second operand 3 states and 935 transitions. [2023-08-29 18:52:15,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 65 transitions, 277 flow [2023-08-29 18:52:15,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 65 transitions, 277 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:52:15,701 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2023-08-29 18:52:15,701 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=643, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2023-08-29 18:52:15,702 INFO L281 CegarLoopForPetriNet]: 81 programPoint places, -19 predicate places. [2023-08-29 18:52:15,702 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2023-08-29 18:52:15,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 0 states have call successors, (0), 0 states 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 18:52:15,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2023-08-29 18:52:15,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2023-08-29 18:52:15,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2023-08-29 18:52:15,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2023-08-29 18:52:15,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2023-08-29 18:52:15,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2023-08-29 18:52:15,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2023-08-29 18:52:15,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2023-08-29 18:52:15,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2023-08-29 18:52:15,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2023-08-29 18:52:15,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2023-08-29 18:52:15,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2023-08-29 18:52:15,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2023-08-29 18:52:15,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2023-08-29 18:52:15,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2023-08-29 18:52:15,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2023-08-29 18:52:15,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2023-08-29 18:52:15,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2023-08-29 18:52:15,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2023-08-29 18:52:15,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2023-08-29 18:52:15,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2023-08-29 18:52:15,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2023-08-29 18:52:15,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2023-08-29 18:52:15,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2023-08-29 18:52:15,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2023-08-29 18:52:15,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2023-08-29 18:52:15,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2023-08-29 18:52:15,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2023-08-29 18:52:15,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2023-08-29 18:52:15,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2023-08-29 18:52:15,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2023-08-29 18:52:15,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2023-08-29 18:52:15,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 52 remaining) [2023-08-29 18:52:15,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 52 remaining) [2023-08-29 18:52:15,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 52 remaining) [2023-08-29 18:52:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2023-08-29 18:52:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2023-08-29 18:52:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2023-08-29 18:52:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2023-08-29 18:52:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2023-08-29 18:52:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2023-08-29 18:52:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2023-08-29 18:52:15,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2023-08-29 18:52:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2023-08-29 18:52:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2023-08-29 18:52:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2023-08-29 18:52:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2023-08-29 18:52:15,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2023-08-29 18:52:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2023-08-29 18:52:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2023-08-29 18:52:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2023-08-29 18:52:15,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2023-08-29 18:52:15,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 18:52:15,726 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:15,730 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:52:15,731 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:52:15,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:52:15 BasicIcfg [2023-08-29 18:52:15,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:52:15,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:52:15,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:52:15,735 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:52:15,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:52:07" (3/4) ... [2023-08-29 18:52:15,737 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:52:15,742 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 18:52:15,742 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 18:52:15,748 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-08-29 18:52:15,748 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:52:15,749 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:52:15,749 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:52:15,793 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:52:15,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:52:15,793 INFO L158 Benchmark]: Toolchain (without parser) took 9640.00ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 64.3MB in the beginning and 66.6MB in the end (delta: -2.3MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-08-29 18:52:15,794 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:52:15,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.97ms. Allocated memory is still 83.9MB. Free memory was 64.0MB in the beginning and 52.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 18:52:15,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.88ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 50.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:52:15,794 INFO L158 Benchmark]: Boogie Preprocessor took 44.03ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 48.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:52:15,795 INFO L158 Benchmark]: RCFGBuilder took 596.51ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 44.7MB in the end (delta: 3.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-08-29 18:52:15,795 INFO L158 Benchmark]: TraceAbstraction took 8561.72ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 43.8MB in the beginning and 70.8MB in the end (delta: -27.0MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-08-29 18:52:15,795 INFO L158 Benchmark]: Witness Printer took 58.49ms. Allocated memory is still 123.7MB. Free memory was 70.8MB in the beginning and 66.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:52:15,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.97ms. Allocated memory is still 83.9MB. Free memory was 64.0MB in the beginning and 52.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.88ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 50.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.03ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 48.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 596.51ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 44.7MB in the end (delta: 3.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8561.72ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 43.8MB in the beginning and 70.8MB in the end (delta: -27.0MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Witness Printer took 58.49ms. Allocated memory is still 123.7MB. Free memory was 70.8MB in the beginning and 66.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.3s, 299 PlacesBefore, 81 PlacesAfterwards, 306 TransitionsBefore, 77 TransitionsAfterwards, 18468 CoEnabledTransitionPairs, 8 FixpointIterations, 137 TrivialSequentialCompositions, 131 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 26 ConcurrentYvCompositions, 11 ChoiceCompositions, 317 TotalNumberOfCompositions, 48543 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26037, independent: 25265, independent conditional: 0, independent unconditional: 25265, dependent: 772, dependent conditional: 0, dependent unconditional: 772, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10348, independent: 10234, independent conditional: 0, independent unconditional: 10234, dependent: 114, dependent conditional: 0, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26037, independent: 15031, independent conditional: 0, independent unconditional: 15031, dependent: 658, dependent conditional: 0, dependent unconditional: 658, unknown: 10348, unknown conditional: 0, unknown unconditional: 10348] , Statistics on independence cache: Total cache size (in pairs): 726, Positive cache size: 676, Positive conditional cache size: 0, Positive unconditional cache size: 676, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 467 locations, 52 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: 8.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 244 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 305 IncrementalHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 42 mSDtfsCounter, 305 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=6, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:52:15,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE