./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bf2f5f336333cdf96c271b32cdeb9b70ee932e1c07acf27a63b4425ec902f3e --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 19:58:01,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 19:58:01,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 19:58:01,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 19:58:01,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 19:58:01,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 19:58:01,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 19:58:01,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 19:58:01,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 19:58:01,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 19:58:01,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 19:58:01,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 19:58:01,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 19:58:01,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 19:58:01,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 19:58:01,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 19:58:01,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 19:58:01,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 19:58:01,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 19:58:01,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 19:58:01,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 19:58:01,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 19:58:01,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 19:58:01,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 19:58:01,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 19:58:01,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 19:58:01,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 19:58:01,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 19:58:01,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 19:58:01,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 19:58:01,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 19:58:01,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 19:58:01,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 19:58:01,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 19:58:01,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 19:58:01,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 19:58:01,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 19:58:01,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 19:58:01,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 19:58:01,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 19:58:01,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 19:58:01,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 19:58:01,476 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 19:58:01,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 19:58:01,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 19:58:01,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 19:58:01,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 19:58:01,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 19:58:01,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 19:58:01,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 19:58:01,480 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 19:58:01,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 19:58:01,481 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 19:58:01,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 19:58:01,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 19:58:01,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 19:58:01,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 19:58:01,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 19:58:01,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 19:58:01,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 19:58:01,482 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 19:58:01,483 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 19:58:01,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 19:58:01,483 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 19:58:01,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 19:58:01,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 19:58:01,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 19:58:01,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 19:58:01,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:58:01,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 19:58:01,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 19:58:01,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 19:58:01,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 19:58:01,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 19:58:01,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 19:58:01,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 19:58:01,486 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 19:58:01,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 19:58:01,486 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 19:58:01,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bf2f5f336333cdf96c271b32cdeb9b70ee932e1c07acf27a63b4425ec902f3e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 19:58:01,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 19:58:01,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 19:58:01,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 19:58:01,857 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 19:58:01,858 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 19:58:01,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i [2023-08-31 19:58:03,001 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 19:58:03,297 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 19:58:03,298 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i [2023-08-31 19:58:03,316 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da782062d/1073167fb95744e1ae9270b684455113/FLAG86fcff9b7 [2023-08-31 19:58:03,329 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da782062d/1073167fb95744e1ae9270b684455113 [2023-08-31 19:58:03,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 19:58:03,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 19:58:03,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 19:58:03,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 19:58:03,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 19:58:03,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:58:03" (1/1) ... [2023-08-31 19:58:03,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2326fb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:03, skipping insertion in model container [2023-08-31 19:58:03,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:58:03" (1/1) ... [2023-08-31 19:58:03,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 19:58:03,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 19:58:04,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:58:04,302 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 19:58:04,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:58:04,484 WARN L667 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:58:04,485 WARN L667 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:58:04,485 WARN L667 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:58:04,485 WARN L667 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:58:04,491 INFO L208 MainTranslator]: Completed translation [2023-08-31 19:58:04,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04 WrapperNode [2023-08-31 19:58:04,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 19:58:04,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 19:58:04,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 19:58:04,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 19:58:04,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (1/1) ... [2023-08-31 19:58:04,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (1/1) ... [2023-08-31 19:58:04,580 INFO L138 Inliner]: procedures = 524, calls = 69, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 153 [2023-08-31 19:58:04,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 19:58:04,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 19:58:04,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 19:58:04,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 19:58:04,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (1/1) ... [2023-08-31 19:58:04,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (1/1) ... [2023-08-31 19:58:04,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (1/1) ... [2023-08-31 19:58:04,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (1/1) ... [2023-08-31 19:58:04,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (1/1) ... [2023-08-31 19:58:04,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (1/1) ... [2023-08-31 19:58:04,615 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (1/1) ... [2023-08-31 19:58:04,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (1/1) ... [2023-08-31 19:58:04,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 19:58:04,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 19:58:04,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 19:58:04,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 19:58:04,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (1/1) ... [2023-08-31 19:58:04,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:58:04,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 19:58:04,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 19:58:04,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 19:58:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2023-08-31 19:58:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2023-08-31 19:58:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-08-31 19:58:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2023-08-31 19:58:04,703 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2023-08-31 19:58:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-08-31 19:58:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 19:58:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 19:58:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 19:58:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 19:58:04,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 19:58:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 19:58:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-08-31 19:58:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 19:58:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2023-08-31 19:58:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-08-31 19:58:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 19:58:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 19:58:04,706 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 19:58:04,990 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 19:58:04,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 19:58:05,282 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 19:58:05,299 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 19:58:05,300 INFO L302 CfgBuilder]: Removed 19 assume(true) statements. [2023-08-31 19:58:05,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:58:05 BoogieIcfgContainer [2023-08-31 19:58:05,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 19:58:05,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 19:58:05,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 19:58:05,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 19:58:05,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 07:58:03" (1/3) ... [2023-08-31 19:58:05,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4159a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:58:05, skipping insertion in model container [2023-08-31 19:58:05,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:04" (2/3) ... [2023-08-31 19:58:05,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4159a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:58:05, skipping insertion in model container [2023-08-31 19:58:05,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:58:05" (3/3) ... [2023-08-31 19:58:05,311 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr.i [2023-08-31 19:58:05,318 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 19:58:05,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 19:58:05,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-08-31 19:58:05,328 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 19:58:05,403 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 19:58:05,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 288 transitions, 592 flow [2023-08-31 19:58:05,524 INFO L130 PetriNetUnfolder]: 32/286 cut-off events. [2023-08-31 19:58:05,525 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 19:58:05,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 286 events. 32/286 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 703 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 177. Up to 5 conditions per place. [2023-08-31 19:58:05,532 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 288 transitions, 592 flow [2023-08-31 19:58:05,539 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 248 places, 270 transitions, 552 flow [2023-08-31 19:58:05,542 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 19:58:05,550 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 270 transitions, 552 flow [2023-08-31 19:58:05,553 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 270 transitions, 552 flow [2023-08-31 19:58:05,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 248 places, 270 transitions, 552 flow [2023-08-31 19:58:05,634 INFO L130 PetriNetUnfolder]: 29/270 cut-off events. [2023-08-31 19:58:05,635 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 19:58:05,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 270 events. 29/270 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 672 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 177. Up to 5 conditions per place. [2023-08-31 19:58:05,648 INFO L119 LiptonReduction]: Number of co-enabled transitions 20040 [2023-08-31 19:58:14,969 INFO L134 LiptonReduction]: Checked pairs total: 40329 [2023-08-31 19:58:14,970 INFO L136 LiptonReduction]: Total number of compositions: 270 [2023-08-31 19:58:14,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 19:58:14,989 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;@58d942c0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 19:58:14,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-08-31 19:58:14,991 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 19:58:14,991 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:58:14,991 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:14,992 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 19:58:14,992 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 19:58:14,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:14,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1137, now seen corresponding path program 1 times [2023-08-31 19:58:15,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:15,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746220320] [2023-08-31 19:58:15,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:15,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:15,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:15,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746220320] [2023-08-31 19:58:15,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746220320] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:15,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:15,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 19:58:15,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811714639] [2023-08-31 19:58:15,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:15,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 19:58:15,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:15,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 19:58:15,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 19:58:15,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 558 [2023-08-31 19:58:15,285 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 79 transitions, 170 flow. Second operand has 2 states, 2 states have (on average 257.5) internal successors, (515), 2 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:15,285 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:15,285 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 558 [2023-08-31 19:58:15,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:15,499 INFO L130 PetriNetUnfolder]: 800/1494 cut-off events. [2023-08-31 19:58:15,499 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2023-08-31 19:58:15,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2748 conditions, 1494 events. 800/1494 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 8186 event pairs, 616 based on Foata normal form. 131/1185 useless extension candidates. Maximal degree in co-relation 2591. Up to 1222 conditions per place. [2023-08-31 19:58:15,510 INFO L137 encePairwiseOnDemand]: 543/558 looper letters, 32 selfloop transitions, 0 changer transitions 1/45 dead transitions. [2023-08-31 19:58:15,510 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 45 transitions, 168 flow [2023-08-31 19:58:15,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 19:58:15,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 19:58:15,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 562 transitions. [2023-08-31 19:58:15,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.503584229390681 [2023-08-31 19:58:15,529 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 562 transitions. [2023-08-31 19:58:15,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 562 transitions. [2023-08-31 19:58:15,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:15,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 562 transitions. [2023-08-31 19:58:15,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 281.0) internal successors, (562), 2 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:15,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 558.0) internal successors, (1674), 3 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:15,552 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 558.0) internal successors, (1674), 3 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:15,554 INFO L175 Difference]: Start difference. First operand has 64 places, 79 transitions, 170 flow. Second operand 2 states and 562 transitions. [2023-08-31 19:58:15,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 45 transitions, 168 flow [2023-08-31 19:58:15,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 45 transitions, 160 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 19:58:15,561 INFO L231 Difference]: Finished difference. Result has 45 places, 44 transitions, 91 flow [2023-08-31 19:58:15,563 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=91, PETRI_PLACES=45, PETRI_TRANSITIONS=44} [2023-08-31 19:58:15,569 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -19 predicate places. [2023-08-31 19:58:15,570 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 44 transitions, 91 flow [2023-08-31 19:58:15,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 257.5) internal successors, (515), 2 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:15,571 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:15,571 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-31 19:58:15,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 19:58:15,572 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting counter_threadErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 19:58:15,580 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:15,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1076732949, now seen corresponding path program 1 times [2023-08-31 19:58:15,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:15,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503433188] [2023-08-31 19:58:15,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:15,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:15,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:15,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503433188] [2023-08-31 19:58:15,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503433188] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:15,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:15,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:58:15,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818139564] [2023-08-31 19:58:15,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:15,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:58:15,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:15,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:58:15,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:58:15,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 558 [2023-08-31 19:58:15,751 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 44 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:15,751 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:15,751 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 558 [2023-08-31 19:58:15,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:15,924 INFO L130 PetriNetUnfolder]: 830/1497 cut-off events. [2023-08-31 19:58:15,925 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-31 19:58:15,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2779 conditions, 1497 events. 830/1497 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 7929 event pairs, 224 based on Foata normal form. 0/1050 useless extension candidates. Maximal degree in co-relation 2776. Up to 1221 conditions per place. [2023-08-31 19:58:15,932 INFO L137 encePairwiseOnDemand]: 554/558 looper letters, 41 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2023-08-31 19:58:15,932 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 53 transitions, 196 flow [2023-08-31 19:58:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:58:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:58:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2023-08-31 19:58:15,935 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47491039426523296 [2023-08-31 19:58:15,935 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2023-08-31 19:58:15,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2023-08-31 19:58:15,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:15,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2023-08-31 19:58:15,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:15,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:15,942 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:15,942 INFO L175 Difference]: Start difference. First operand has 45 places, 44 transitions, 91 flow. Second operand 3 states and 795 transitions. [2023-08-31 19:58:15,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 53 transitions, 196 flow [2023-08-31 19:58:15,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 53 transitions, 196 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:58:15,944 INFO L231 Difference]: Finished difference. Result has 45 places, 44 transitions, 101 flow [2023-08-31 19:58:15,944 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=45, PETRI_TRANSITIONS=44} [2023-08-31 19:58:15,945 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -19 predicate places. [2023-08-31 19:58:15,945 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 44 transitions, 101 flow [2023-08-31 19:58:15,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:15,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:15,946 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-31 19:58:15,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 19:58:15,947 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 19:58:15,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:15,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1076756196, now seen corresponding path program 1 times [2023-08-31 19:58:15,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:15,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857787919] [2023-08-31 19:58:15,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:15,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:16,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:16,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857787919] [2023-08-31 19:58:16,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857787919] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:16,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:16,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:58:16,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851088512] [2023-08-31 19:58:16,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:16,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:58:16,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:16,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:58:16,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:58:16,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 558 [2023-08-31 19:58:16,050 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 44 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,051 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:16,051 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 558 [2023-08-31 19:58:16,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:16,249 INFO L130 PetriNetUnfolder]: 1117/1839 cut-off events. [2023-08-31 19:58:16,250 INFO L131 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2023-08-31 19:58:16,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3724 conditions, 1839 events. 1117/1839 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 9039 event pairs, 606 based on Foata normal form. 152/1468 useless extension candidates. Maximal degree in co-relation 3720. Up to 1269 conditions per place. [2023-08-31 19:58:16,258 INFO L137 encePairwiseOnDemand]: 552/558 looper letters, 64 selfloop transitions, 3 changer transitions 1/72 dead transitions. [2023-08-31 19:58:16,258 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 72 transitions, 304 flow [2023-08-31 19:58:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:58:16,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:58:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 766 transitions. [2023-08-31 19:58:16,261 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45758661887694146 [2023-08-31 19:58:16,261 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 766 transitions. [2023-08-31 19:58:16,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 766 transitions. [2023-08-31 19:58:16,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:16,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 766 transitions. [2023-08-31 19:58:16,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,268 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,268 INFO L175 Difference]: Start difference. First operand has 45 places, 44 transitions, 101 flow. Second operand 3 states and 766 transitions. [2023-08-31 19:58:16,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 72 transitions, 304 flow [2023-08-31 19:58:16,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 72 transitions, 304 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:58:16,270 INFO L231 Difference]: Finished difference. Result has 45 places, 43 transitions, 112 flow [2023-08-31 19:58:16,270 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=45, PETRI_TRANSITIONS=43} [2023-08-31 19:58:16,271 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -19 predicate places. [2023-08-31 19:58:16,271 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 43 transitions, 112 flow [2023-08-31 19:58:16,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.66666666666666) internal successors, (704), 3 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,272 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:16,272 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 19:58:16,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 19:58:16,272 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 19:58:16,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:16,273 INFO L85 PathProgramCache]: Analyzing trace with hash -977639090, now seen corresponding path program 1 times [2023-08-31 19:58:16,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:16,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923281668] [2023-08-31 19:58:16,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:16,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:16,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:16,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923281668] [2023-08-31 19:58:16,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923281668] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:16,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:16,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:58:16,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56185986] [2023-08-31 19:58:16,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:16,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:58:16,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:16,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:58:16,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:58:16,494 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 558 [2023-08-31 19:58:16,495 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 43 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,495 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:16,495 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 558 [2023-08-31 19:58:16,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:16,633 INFO L130 PetriNetUnfolder]: 671/1125 cut-off events. [2023-08-31 19:58:16,633 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2023-08-31 19:58:16,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2342 conditions, 1125 events. 671/1125 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5279 event pairs, 203 based on Foata normal form. 0/824 useless extension candidates. Maximal degree in co-relation 2337. Up to 552 conditions per place. [2023-08-31 19:58:16,639 INFO L137 encePairwiseOnDemand]: 556/558 looper letters, 53 selfloop transitions, 1 changer transitions 0/63 dead transitions. [2023-08-31 19:58:16,640 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 63 transitions, 270 flow [2023-08-31 19:58:16,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:58:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:58:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 807 transitions. [2023-08-31 19:58:16,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.482078853046595 [2023-08-31 19:58:16,643 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 807 transitions. [2023-08-31 19:58:16,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 807 transitions. [2023-08-31 19:58:16,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:16,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 807 transitions. [2023-08-31 19:58:16,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,650 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,650 INFO L175 Difference]: Start difference. First operand has 45 places, 43 transitions, 112 flow. Second operand 3 states and 807 transitions. [2023-08-31 19:58:16,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 63 transitions, 270 flow [2023-08-31 19:58:16,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 63 transitions, 270 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:58:16,663 INFO L231 Difference]: Finished difference. Result has 46 places, 42 transitions, 112 flow [2023-08-31 19:58:16,664 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2023-08-31 19:58:16,665 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -18 predicate places. [2023-08-31 19:58:16,666 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 112 flow [2023-08-31 19:58:16,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,666 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:16,666 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:16,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 19:58:16,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 19:58:16,667 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:16,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2140452600, now seen corresponding path program 1 times [2023-08-31 19:58:16,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:16,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211537522] [2023-08-31 19:58:16,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:16,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:16,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211537522] [2023-08-31 19:58:16,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211537522] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:16,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:16,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:58:16,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873161262] [2023-08-31 19:58:16,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:16,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:58:16,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:16,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:58:16,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:58:16,737 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 558 [2023-08-31 19:58:16,738 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,738 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:16,738 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 558 [2023-08-31 19:58:16,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:16,949 INFO L130 PetriNetUnfolder]: 1278/2065 cut-off events. [2023-08-31 19:58:16,949 INFO L131 PetriNetUnfolder]: For 244/244 co-relation queries the response was YES. [2023-08-31 19:58:16,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4526 conditions, 2065 events. 1278/2065 cut-off events. For 244/244 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 9284 event pairs, 412 based on Foata normal form. 0/1643 useless extension candidates. Maximal degree in co-relation 4520. Up to 1036 conditions per place. [2023-08-31 19:58:16,959 INFO L137 encePairwiseOnDemand]: 552/558 looper letters, 58 selfloop transitions, 4 changer transitions 1/69 dead transitions. [2023-08-31 19:58:16,959 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 69 transitions, 300 flow [2023-08-31 19:58:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:58:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:58:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 813 transitions. [2023-08-31 19:58:16,962 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48566308243727596 [2023-08-31 19:58:16,962 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 813 transitions. [2023-08-31 19:58:16,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 813 transitions. [2023-08-31 19:58:16,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:16,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 813 transitions. [2023-08-31 19:58:16,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,969 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,969 INFO L175 Difference]: Start difference. First operand has 46 places, 42 transitions, 112 flow. Second operand 3 states and 813 transitions. [2023-08-31 19:58:16,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 69 transitions, 300 flow [2023-08-31 19:58:16,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 69 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 19:58:16,971 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 139 flow [2023-08-31 19:58:16,972 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2023-08-31 19:58:16,972 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -16 predicate places. [2023-08-31 19:58:16,972 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 139 flow [2023-08-31 19:58:16,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:16,973 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:16,973 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:16,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 19:58:16,974 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 19:58:16,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:16,974 INFO L85 PathProgramCache]: Analyzing trace with hash -314209255, now seen corresponding path program 1 times [2023-08-31 19:58:16,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:16,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357115005] [2023-08-31 19:58:16,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:16,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:17,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:17,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357115005] [2023-08-31 19:58:17,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357115005] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:17,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:17,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:58:17,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133870775] [2023-08-31 19:58:17,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:17,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:58:17,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:17,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:58:17,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:58:17,031 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 558 [2023-08-31 19:58:17,032 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 139 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:17,032 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:17,032 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 558 [2023-08-31 19:58:17,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:17,220 INFO L130 PetriNetUnfolder]: 1274/2076 cut-off events. [2023-08-31 19:58:17,220 INFO L131 PetriNetUnfolder]: For 341/349 co-relation queries the response was YES. [2023-08-31 19:58:17,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4894 conditions, 2076 events. 1274/2076 cut-off events. For 341/349 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 9364 event pairs, 752 based on Foata normal form. 8/1578 useless extension candidates. Maximal degree in co-relation 4887. Up to 1779 conditions per place. [2023-08-31 19:58:17,231 INFO L137 encePairwiseOnDemand]: 554/558 looper letters, 47 selfloop transitions, 4 changer transitions 3/61 dead transitions. [2023-08-31 19:58:17,231 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 61 transitions, 289 flow [2023-08-31 19:58:17,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:58:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:58:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 799 transitions. [2023-08-31 19:58:17,234 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.477299880525687 [2023-08-31 19:58:17,234 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 799 transitions. [2023-08-31 19:58:17,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 799 transitions. [2023-08-31 19:58:17,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:17,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 799 transitions. [2023-08-31 19:58:17,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:17,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:17,241 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:17,241 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 139 flow. Second operand 3 states and 799 transitions. [2023-08-31 19:58:17,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 61 transitions, 289 flow [2023-08-31 19:58:17,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 61 transitions, 279 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 19:58:17,244 INFO L231 Difference]: Finished difference. Result has 49 places, 45 transitions, 154 flow [2023-08-31 19:58:17,244 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=49, PETRI_TRANSITIONS=45} [2023-08-31 19:58:17,245 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -15 predicate places. [2023-08-31 19:58:17,245 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 45 transitions, 154 flow [2023-08-31 19:58:17,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:17,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:17,246 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:17,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 19:58:17,246 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 19:58:17,247 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1707986489, now seen corresponding path program 1 times [2023-08-31 19:58:17,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:17,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977058504] [2023-08-31 19:58:17,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:17,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:17,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:17,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977058504] [2023-08-31 19:58:17,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977058504] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:17,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:17,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:58:17,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310716760] [2023-08-31 19:58:17,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:17,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:58:17,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:17,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:58:17,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:58:17,425 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 558 [2023-08-31 19:58:17,427 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 45 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:17,427 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:17,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 558 [2023-08-31 19:58:17,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:17,618 INFO L130 PetriNetUnfolder]: 1196/1946 cut-off events. [2023-08-31 19:58:17,618 INFO L131 PetriNetUnfolder]: For 438/470 co-relation queries the response was YES. [2023-08-31 19:58:17,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4771 conditions, 1946 events. 1196/1946 cut-off events. For 438/470 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 8714 event pairs, 731 based on Foata normal form. 0/1508 useless extension candidates. Maximal degree in co-relation 4763. Up to 1730 conditions per place. [2023-08-31 19:58:17,627 INFO L137 encePairwiseOnDemand]: 556/558 looper letters, 35 selfloop transitions, 1 changer transitions 10/54 dead transitions. [2023-08-31 19:58:17,627 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 54 transitions, 274 flow [2023-08-31 19:58:17,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:58:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:58:17,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 792 transitions. [2023-08-31 19:58:17,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4731182795698925 [2023-08-31 19:58:17,630 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 792 transitions. [2023-08-31 19:58:17,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 792 transitions. [2023-08-31 19:58:17,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:17,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 792 transitions. [2023-08-31 19:58:17,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:17,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:17,636 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 558.0) internal successors, (2232), 4 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:17,636 INFO L175 Difference]: Start difference. First operand has 49 places, 45 transitions, 154 flow. Second operand 3 states and 792 transitions. [2023-08-31 19:58:17,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 54 transitions, 274 flow [2023-08-31 19:58:17,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 270 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 19:58:17,642 INFO L231 Difference]: Finished difference. Result has 47 places, 44 transitions, 150 flow [2023-08-31 19:58:17,642 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=47, PETRI_TRANSITIONS=44} [2023-08-31 19:58:17,643 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -17 predicate places. [2023-08-31 19:58:17,643 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 44 transitions, 150 flow [2023-08-31 19:58:17,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:17,643 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:17,643 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:17,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 19:58:17,644 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 19:58:17,644 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:17,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1670809747, now seen corresponding path program 1 times [2023-08-31 19:58:17,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:17,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65334445] [2023-08-31 19:58:17,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:17,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:17,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:17,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65334445] [2023-08-31 19:58:17,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65334445] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:17,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:17,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 19:58:17,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641977983] [2023-08-31 19:58:17,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:17,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 19:58:17,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:17,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 19:58:17,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 19:58:17,816 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 558 [2023-08-31 19:58:17,817 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 44 transitions, 150 flow. Second operand has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:17,817 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:17,817 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 558 [2023-08-31 19:58:17,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:18,166 INFO L130 PetriNetUnfolder]: 2502/3902 cut-off events. [2023-08-31 19:58:18,167 INFO L131 PetriNetUnfolder]: For 942/994 co-relation queries the response was YES. [2023-08-31 19:58:18,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9391 conditions, 3902 events. 2502/3902 cut-off events. For 942/994 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 19093 event pairs, 529 based on Foata normal form. 62/2996 useless extension candidates. Maximal degree in co-relation 9383. Up to 1546 conditions per place. [2023-08-31 19:58:18,183 INFO L137 encePairwiseOnDemand]: 551/558 looper letters, 79 selfloop transitions, 9 changer transitions 10/106 dead transitions. [2023-08-31 19:58:18,184 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 106 transitions, 531 flow [2023-08-31 19:58:18,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 19:58:18,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 19:58:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1311 transitions. [2023-08-31 19:58:18,187 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4698924731182796 [2023-08-31 19:58:18,187 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1311 transitions. [2023-08-31 19:58:18,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1311 transitions. [2023-08-31 19:58:18,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:18,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1311 transitions. [2023-08-31 19:58:18,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 262.2) internal successors, (1311), 5 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:18,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 558.0) internal successors, (3348), 6 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:18,195 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 558.0) internal successors, (3348), 6 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:18,195 INFO L175 Difference]: Start difference. First operand has 47 places, 44 transitions, 150 flow. Second operand 5 states and 1311 transitions. [2023-08-31 19:58:18,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 106 transitions, 531 flow [2023-08-31 19:58:18,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 106 transitions, 529 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 19:58:18,198 INFO L231 Difference]: Finished difference. Result has 54 places, 52 transitions, 229 flow [2023-08-31 19:58:18,199 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=229, PETRI_PLACES=54, PETRI_TRANSITIONS=52} [2023-08-31 19:58:18,199 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -10 predicate places. [2023-08-31 19:58:18,199 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 52 transitions, 229 flow [2023-08-31 19:58:18,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:18,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:18,200 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:18,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 19:58:18,201 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 19:58:18,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:18,201 INFO L85 PathProgramCache]: Analyzing trace with hash -747471075, now seen corresponding path program 2 times [2023-08-31 19:58:18,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:18,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187563199] [2023-08-31 19:58:18,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:18,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:18,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:18,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187563199] [2023-08-31 19:58:18,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187563199] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:18,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:18,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 19:58:18,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866522180] [2023-08-31 19:58:18,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:18,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 19:58:18,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:18,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 19:58:18,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-31 19:58:18,391 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 558 [2023-08-31 19:58:18,392 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 52 transitions, 229 flow. Second operand has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:18,392 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:18,392 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 558 [2023-08-31 19:58:18,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:18,840 INFO L130 PetriNetUnfolder]: 2933/4611 cut-off events. [2023-08-31 19:58:18,841 INFO L131 PetriNetUnfolder]: For 3347/3407 co-relation queries the response was YES. [2023-08-31 19:58:18,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13527 conditions, 4611 events. 2933/4611 cut-off events. For 3347/3407 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 23100 event pairs, 584 based on Foata normal form. 58/3772 useless extension candidates. Maximal degree in co-relation 13516. Up to 1835 conditions per place. [2023-08-31 19:58:18,867 INFO L137 encePairwiseOnDemand]: 549/558 looper letters, 76 selfloop transitions, 16 changer transitions 8/108 dead transitions. [2023-08-31 19:58:18,868 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 108 transitions, 644 flow [2023-08-31 19:58:18,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 19:58:18,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 19:58:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1058 transitions. [2023-08-31 19:58:18,871 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47401433691756273 [2023-08-31 19:58:18,871 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1058 transitions. [2023-08-31 19:58:18,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1058 transitions. [2023-08-31 19:58:18,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:18,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1058 transitions. [2023-08-31 19:58:18,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 264.5) internal successors, (1058), 4 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:18,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 558.0) internal successors, (2790), 5 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:18,878 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 558.0) internal successors, (2790), 5 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:18,878 INFO L175 Difference]: Start difference. First operand has 54 places, 52 transitions, 229 flow. Second operand 4 states and 1058 transitions. [2023-08-31 19:58:18,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 108 transitions, 644 flow [2023-08-31 19:58:18,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 108 transitions, 644 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:58:18,885 INFO L231 Difference]: Finished difference. Result has 60 places, 62 transitions, 364 flow [2023-08-31 19:58:18,885 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=364, PETRI_PLACES=60, PETRI_TRANSITIONS=62} [2023-08-31 19:58:18,886 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -4 predicate places. [2023-08-31 19:58:18,886 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 62 transitions, 364 flow [2023-08-31 19:58:18,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:18,887 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:18,887 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:18,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 19:58:18,887 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE, monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 19:58:18,888 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:18,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1356821955, now seen corresponding path program 3 times [2023-08-31 19:58:18,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:18,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102026729] [2023-08-31 19:58:18,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:18,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:19,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:19,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:19,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102026729] [2023-08-31 19:58:19,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102026729] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:19,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:19,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 19:58:19,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279540173] [2023-08-31 19:58:19,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:19,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 19:58:19,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:19,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 19:58:19,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-31 19:58:19,035 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 558 [2023-08-31 19:58:19,037 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 62 transitions, 364 flow. Second operand has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:19,037 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:19,037 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 558 [2023-08-31 19:58:19,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:19,392 INFO L130 PetriNetUnfolder]: 1991/3137 cut-off events. [2023-08-31 19:58:19,393 INFO L131 PetriNetUnfolder]: For 3451/3451 co-relation queries the response was YES. [2023-08-31 19:58:19,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9921 conditions, 3137 events. 1991/3137 cut-off events. For 3451/3451 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 15207 event pairs, 618 based on Foata normal form. 4/2433 useless extension candidates. Maximal degree in co-relation 9907. Up to 1081 conditions per place. [2023-08-31 19:58:19,403 INFO L137 encePairwiseOnDemand]: 551/558 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2023-08-31 19:58:19,403 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 84 transitions, 552 flow [2023-08-31 19:58:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 19:58:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 19:58:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1045 transitions. [2023-08-31 19:58:19,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4681899641577061 [2023-08-31 19:58:19,407 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1045 transitions. [2023-08-31 19:58:19,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1045 transitions. [2023-08-31 19:58:19,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:19,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1045 transitions. [2023-08-31 19:58:19,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 261.25) internal successors, (1045), 4 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:19,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 558.0) internal successors, (2790), 5 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:19,443 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 558.0) internal successors, (2790), 5 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:19,444 INFO L175 Difference]: Start difference. First operand has 60 places, 62 transitions, 364 flow. Second operand 4 states and 1045 transitions. [2023-08-31 19:58:19,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 84 transitions, 552 flow [2023-08-31 19:58:19,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 84 transitions, 507 flow, removed 11 selfloop flow, removed 4 redundant places. [2023-08-31 19:58:19,467 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2023-08-31 19:58:19,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=558, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2023-08-31 19:58:19,469 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -7 predicate places. [2023-08-31 19:58:19,469 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2023-08-31 19:58:19,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 19:58:19,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2023-08-31 19:58:19,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2023-08-31 19:58:19,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2023-08-31 19:58:19,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2023-08-31 19:58:19,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2023-08-31 19:58:19,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2023-08-31 19:58:19,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2023-08-31 19:58:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2023-08-31 19:58:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2023-08-31 19:58:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2023-08-31 19:58:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2023-08-31 19:58:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2023-08-31 19:58:19,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2023-08-31 19:58:19,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2023-08-31 19:58:19,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2023-08-31 19:58:19,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2023-08-31 19:58:19,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2023-08-31 19:58:19,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2023-08-31 19:58:19,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2023-08-31 19:58:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2023-08-31 19:58:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2023-08-31 19:58:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2023-08-31 19:58:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2023-08-31 19:58:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2023-08-31 19:58:19,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2023-08-31 19:58:19,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2023-08-31 19:58:19,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2023-08-31 19:58:19,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 19:58:19,483 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:19,488 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 19:58:19,488 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 19:58:19,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 07:58:19 BasicIcfg [2023-08-31 19:58:19,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 19:58:19,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 19:58:19,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 19:58:19,493 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 19:58:19,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:58:05" (3/4) ... [2023-08-31 19:58:19,495 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 19:58:19,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure monitor_thread [2023-08-31 19:58:19,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure counter_thread [2023-08-31 19:58:19,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-08-31 19:58:19,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-08-31 19:58:19,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-31 19:58:19,507 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 19:58:19,507 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 19:58:19,546 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 19:58:19,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 19:58:19,547 INFO L158 Benchmark]: Toolchain (without parser) took 16215.09ms. Allocated memory was 88.1MB in the beginning and 306.2MB in the end (delta: 218.1MB). Free memory was 64.1MB in the beginning and 221.6MB in the end (delta: -157.5MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2023-08-31 19:58:19,547 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 19:58:19,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1158.90ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 44.7MB in the end (delta: 19.2MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-08-31 19:58:19,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.73ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 41.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 19:58:19,548 INFO L158 Benchmark]: Boogie Preprocessor took 42.24ms. Allocated memory is still 88.1MB. Free memory was 41.0MB in the beginning and 38.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 19:58:19,548 INFO L158 Benchmark]: RCFGBuilder took 679.63ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 37.6MB in the beginning and 83.4MB in the end (delta: -45.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-08-31 19:58:19,549 INFO L158 Benchmark]: TraceAbstraction took 14186.87ms. Allocated memory was 113.2MB in the beginning and 306.2MB in the end (delta: 192.9MB). Free memory was 82.8MB in the beginning and 225.8MB in the end (delta: -142.9MB). Peak memory consumption was 187.6MB. Max. memory is 16.1GB. [2023-08-31 19:58:19,549 INFO L158 Benchmark]: Witness Printer took 54.05ms. Allocated memory is still 306.2MB. Free memory was 225.8MB in the beginning and 221.6MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 19:58:19,551 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 65.0MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1158.90ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 44.7MB in the end (delta: 19.2MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.73ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 41.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.24ms. Allocated memory is still 88.1MB. Free memory was 41.0MB in the beginning and 38.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 679.63ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 37.6MB in the beginning and 83.4MB in the end (delta: -45.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * TraceAbstraction took 14186.87ms. Allocated memory was 113.2MB in the beginning and 306.2MB in the end (delta: 192.9MB). Free memory was 82.8MB in the beginning and 225.8MB in the end (delta: -142.9MB). Peak memory consumption was 187.6MB. Max. memory is 16.1GB. * Witness Printer took 54.05ms. Allocated memory is still 306.2MB. Free memory was 225.8MB in the beginning and 221.6MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.4s, 248 PlacesBefore, 64 PlacesAfterwards, 270 TransitionsBefore, 79 TransitionsAfterwards, 20040 CoEnabledTransitionPairs, 7 FixpointIterations, 69 TrivialSequentialCompositions, 155 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 37 ConcurrentYvCompositions, 7 ChoiceCompositions, 270 TotalNumberOfCompositions, 40329 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21874, independent: 21413, independent conditional: 0, independent unconditional: 21413, dependent: 461, dependent conditional: 0, dependent unconditional: 461, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11981, independent: 11877, independent conditional: 0, independent unconditional: 11877, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21874, independent: 9536, independent conditional: 0, independent unconditional: 9536, dependent: 357, dependent conditional: 0, dependent unconditional: 357, unknown: 11981, unknown conditional: 0, unknown unconditional: 11981] , Statistics on independence cache: Total cache size (in pairs): 595, Positive cache size: 554, Positive conditional cache size: 0, Positive unconditional cache size: 554, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1819]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1824]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1828]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1811]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1843]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1849]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1850]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1853]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1855]: 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, 370 locations, 27 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: 14.1s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 543 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 320 mSDsluCounter, 100 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1107 IncrementalHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 74 mSDtfsCounter, 1107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=364occurred in iteration=9, InterpolantAutomatonStates: 33, 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, 0.8s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 19:58:19,585 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