./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 AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/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 AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:59:02,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:59:02,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:59:02,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:59:02,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:59:02,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:59:02,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:59:02,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:59:02,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:59:02,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:59:02,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:59:02,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:59:02,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:59:02,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:59:02,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:59:02,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:59:02,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:59:02,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:59:02,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:59:02,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:59:02,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:59:02,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:59:02,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:59:02,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:59:02,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:59:02,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:59:02,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:59:02,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:59:02,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:59:02,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:59:02,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:59:02,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:59:02,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:59:02,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:59:02,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:59:02,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:59:02,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:59:02,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:59:02,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:59:02,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:59:02,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:59:02,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:59:02,950 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:59:02,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:59:02,951 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:59:02,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:59:02,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:59:02,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:59:02,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:59:02,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:59:02,953 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:59:02,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:59:02,954 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:59:02,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:59:02,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:59:02,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:59:02,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:59:02,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:59:02,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:59:02,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:59:02,956 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:59:02,956 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:59:02,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:59:02,956 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:59:02,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:59:02,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:59:02,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:59:02,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:59:02,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:59:02,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:59:02,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:59:02,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:59:02,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:59:02,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:59:02,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:59:02,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:59:02,959 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:59:02,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:59:02,959 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:59:02,959 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bf2f5f336333cdf96c271b32cdeb9b70ee932e1c07acf27a63b4425ec902f3e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:59:03,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:59:03,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:59:03,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:59:03,304 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:59:03,304 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:59:03,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i [2023-08-29 01:59:04,382 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:59:04,775 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:59:04,776 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i [2023-08-29 01:59:04,806 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94c2c36b/fecc7de6edbc4902ba651f10dcf1a544/FLAG8984997e2 [2023-08-29 01:59:04,823 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94c2c36b/fecc7de6edbc4902ba651f10dcf1a544 [2023-08-29 01:59:04,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:59:04,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:59:04,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:59:04,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:59:04,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:59:04,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:59:04" (1/1) ... [2023-08-29 01:59:04,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8ae48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:04, skipping insertion in model container [2023-08-29 01:59:04,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:59:04" (1/1) ... [2023-08-29 01:59:04,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:59:04,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:59:05,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:59:05,536 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:59:05,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:59:05,744 WARN L667 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:59:05,745 WARN L667 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:59:05,745 WARN L667 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:59:05,745 WARN L667 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:59:05,751 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:59:05,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05 WrapperNode [2023-08-29 01:59:05,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:59:05,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:59:05,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:59:05,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:59:05,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (1/1) ... [2023-08-29 01:59:05,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (1/1) ... [2023-08-29 01:59:05,815 INFO L138 Inliner]: procedures = 524, calls = 69, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 153 [2023-08-29 01:59:05,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:59:05,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:59:05,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:59:05,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:59:05,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (1/1) ... [2023-08-29 01:59:05,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (1/1) ... [2023-08-29 01:59:05,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (1/1) ... [2023-08-29 01:59:05,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (1/1) ... [2023-08-29 01:59:05,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (1/1) ... [2023-08-29 01:59:05,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (1/1) ... [2023-08-29 01:59:05,850 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (1/1) ... [2023-08-29 01:59:05,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (1/1) ... [2023-08-29 01:59:05,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:59:05,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:59:05,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:59:05,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:59:05,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (1/1) ... [2023-08-29 01:59:05,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:59:05,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:59:05,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:59:05,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:59:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2023-08-29 01:59:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2023-08-29 01:59:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-08-29 01:59:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2023-08-29 01:59:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2023-08-29 01:59:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-08-29 01:59:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:59:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:59:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 01:59:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:59:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:59:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:59:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-08-29 01:59:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:59:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2023-08-29 01:59:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-08-29 01:59:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:59:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:59:05,956 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:59:06,296 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:59:06,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:59:06,540 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:59:06,548 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:59:06,548 INFO L302 CfgBuilder]: Removed 19 assume(true) statements. [2023-08-29 01:59:06,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:59:06 BoogieIcfgContainer [2023-08-29 01:59:06,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:59:06,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:59:06,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:59:06,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:59:06,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:59:04" (1/3) ... [2023-08-29 01:59:06,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28243278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:59:06, skipping insertion in model container [2023-08-29 01:59:06,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:05" (2/3) ... [2023-08-29 01:59:06,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28243278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:59:06, skipping insertion in model container [2023-08-29 01:59:06,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:59:06" (3/3) ... [2023-08-29 01:59:06,556 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr.i [2023-08-29 01:59:06,563 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:59:06,571 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:59:06,571 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-08-29 01:59:06,571 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:59:06,644 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:59:06,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 288 transitions, 592 flow [2023-08-29 01:59:06,827 INFO L130 PetriNetUnfolder]: 32/286 cut-off events. [2023-08-29 01:59:06,827 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:59:06,837 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. [2023-08-29 01:59:06,837 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 288 transitions, 592 flow [2023-08-29 01:59:06,847 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 248 places, 270 transitions, 552 flow [2023-08-29 01:59:06,851 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:59:06,862 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 270 transitions, 552 flow [2023-08-29 01:59:06,866 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 270 transitions, 552 flow [2023-08-29 01:59:06,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 248 places, 270 transitions, 552 flow [2023-08-29 01:59:06,923 INFO L130 PetriNetUnfolder]: 29/270 cut-off events. [2023-08-29 01:59:06,923 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:59:06,929 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. [2023-08-29 01:59:06,940 INFO L119 LiptonReduction]: Number of co-enabled transitions 20040 [2023-08-29 01:59:16,377 INFO L134 LiptonReduction]: Checked pairs total: 40329 [2023-08-29 01:59:16,377 INFO L136 LiptonReduction]: Total number of compositions: 270 [2023-08-29 01:59:16,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:59:16,396 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;@467b1fae, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:59:16,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-08-29 01:59:16,398 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:59:16,398 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:59:16,398 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:16,398 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:59:16,399 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)] === [2023-08-29 01:59:16,403 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:16,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1137, now seen corresponding path program 1 times [2023-08-29 01:59:16,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:16,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360397182] [2023-08-29 01:59:16,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:16,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:16,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:16,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360397182] [2023-08-29 01:59:16,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360397182] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:16,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:16,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:59:16,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824677233] [2023-08-29 01:59:16,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:16,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:59:16,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:16,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:59:16,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:59:16,670 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 558 [2023-08-29 01:59:16,693 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) [2023-08-29 01:59:16,694 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:16,694 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 558 [2023-08-29 01:59:16,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:16,862 INFO L130 PetriNetUnfolder]: 800/1494 cut-off events. [2023-08-29 01:59:16,862 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2023-08-29 01:59:16,864 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. [2023-08-29 01:59:16,872 INFO L137 encePairwiseOnDemand]: 543/558 looper letters, 32 selfloop transitions, 0 changer transitions 1/45 dead transitions. [2023-08-29 01:59:16,872 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 45 transitions, 168 flow [2023-08-29 01:59:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:59:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:59:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 562 transitions. [2023-08-29 01:59:16,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.503584229390681 [2023-08-29 01:59:16,885 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 562 transitions. [2023-08-29 01:59:16,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 562 transitions. [2023-08-29 01:59:16,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:16,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 562 transitions. [2023-08-29 01:59:16,893 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) [2023-08-29 01:59:16,897 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) [2023-08-29 01:59:16,898 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) [2023-08-29 01:59:16,900 INFO L175 Difference]: Start difference. First operand has 64 places, 79 transitions, 170 flow. Second operand 2 states and 562 transitions. [2023-08-29 01:59:16,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 45 transitions, 168 flow [2023-08-29 01:59:16,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 45 transitions, 160 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 01:59:16,905 INFO L231 Difference]: Finished difference. Result has 45 places, 44 transitions, 91 flow [2023-08-29 01:59:16,907 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} [2023-08-29 01:59:16,909 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -19 predicate places. [2023-08-29 01:59:16,909 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 44 transitions, 91 flow [2023-08-29 01:59:16,910 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) [2023-08-29 01:59:16,910 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:16,910 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:59:16,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:59:16,911 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)] === [2023-08-29 01:59:16,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:16,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1076732949, now seen corresponding path program 1 times [2023-08-29 01:59:16,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:16,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764140453] [2023-08-29 01:59:16,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:16,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:17,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:17,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764140453] [2023-08-29 01:59:17,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764140453] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:17,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:17,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:59:17,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299115371] [2023-08-29 01:59:17,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:17,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:59:17,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:17,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:59:17,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:59:17,045 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 558 [2023-08-29 01:59:17,047 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) [2023-08-29 01:59:17,047 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:17,047 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 558 [2023-08-29 01:59:17,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:17,203 INFO L130 PetriNetUnfolder]: 830/1497 cut-off events. [2023-08-29 01:59:17,203 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-29 01:59:17,205 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. [2023-08-29 01:59:17,211 INFO L137 encePairwiseOnDemand]: 554/558 looper letters, 41 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2023-08-29 01:59:17,211 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 53 transitions, 196 flow [2023-08-29 01:59:17,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:59:17,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:59:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2023-08-29 01:59:17,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47491039426523296 [2023-08-29 01:59:17,214 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2023-08-29 01:59:17,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2023-08-29 01:59:17,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:17,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2023-08-29 01:59:17,216 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) [2023-08-29 01:59:17,220 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) [2023-08-29 01:59:17,221 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) [2023-08-29 01:59:17,221 INFO L175 Difference]: Start difference. First operand has 45 places, 44 transitions, 91 flow. Second operand 3 states and 795 transitions. [2023-08-29 01:59:17,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 53 transitions, 196 flow [2023-08-29 01:59:17,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 53 transitions, 196 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:59:17,223 INFO L231 Difference]: Finished difference. Result has 45 places, 44 transitions, 101 flow [2023-08-29 01:59:17,223 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} [2023-08-29 01:59:17,224 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -19 predicate places. [2023-08-29 01:59:17,224 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 44 transitions, 101 flow [2023-08-29 01:59:17,225 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) [2023-08-29 01:59:17,225 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:17,225 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:59:17,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:59:17,226 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)] === [2023-08-29 01:59:17,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:17,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1076756196, now seen corresponding path program 1 times [2023-08-29 01:59:17,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:17,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826251794] [2023-08-29 01:59:17,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:17,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:17,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:17,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:17,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826251794] [2023-08-29 01:59:17,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826251794] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:17,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:17,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:59:17,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791810377] [2023-08-29 01:59:17,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:17,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:59:17,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:17,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:59:17,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:59:17,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 558 [2023-08-29 01:59:17,367 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) [2023-08-29 01:59:17,367 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:17,367 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 558 [2023-08-29 01:59:17,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:17,577 INFO L130 PetriNetUnfolder]: 1117/1839 cut-off events. [2023-08-29 01:59:17,577 INFO L131 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2023-08-29 01:59:17,580 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. [2023-08-29 01:59:17,599 INFO L137 encePairwiseOnDemand]: 552/558 looper letters, 64 selfloop transitions, 3 changer transitions 1/72 dead transitions. [2023-08-29 01:59:17,599 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 72 transitions, 304 flow [2023-08-29 01:59:17,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:59:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:59:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 766 transitions. [2023-08-29 01:59:17,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45758661887694146 [2023-08-29 01:59:17,602 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 766 transitions. [2023-08-29 01:59:17,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 766 transitions. [2023-08-29 01:59:17,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:17,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 766 transitions. [2023-08-29 01:59:17,604 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) [2023-08-29 01:59:17,607 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) [2023-08-29 01:59:17,608 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) [2023-08-29 01:59:17,608 INFO L175 Difference]: Start difference. First operand has 45 places, 44 transitions, 101 flow. Second operand 3 states and 766 transitions. [2023-08-29 01:59:17,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 72 transitions, 304 flow [2023-08-29 01:59:17,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 72 transitions, 304 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:59:17,610 INFO L231 Difference]: Finished difference. Result has 45 places, 43 transitions, 112 flow [2023-08-29 01:59:17,611 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} [2023-08-29 01:59:17,612 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -19 predicate places. [2023-08-29 01:59:17,614 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 43 transitions, 112 flow [2023-08-29 01:59:17,615 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) [2023-08-29 01:59:17,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:17,615 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 01:59:17,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:59:17,616 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)] === [2023-08-29 01:59:17,617 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:17,617 INFO L85 PathProgramCache]: Analyzing trace with hash -977639090, now seen corresponding path program 1 times [2023-08-29 01:59:17,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:17,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259958325] [2023-08-29 01:59:17,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:17,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:17,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:17,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259958325] [2023-08-29 01:59:17,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259958325] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:17,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:17,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:59:17,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533156747] [2023-08-29 01:59:17,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:17,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:59:17,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:17,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:59:17,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:59:17,912 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 558 [2023-08-29 01:59:17,913 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) [2023-08-29 01:59:17,913 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:17,913 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 558 [2023-08-29 01:59:17,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:18,059 INFO L130 PetriNetUnfolder]: 671/1125 cut-off events. [2023-08-29 01:59:18,060 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2023-08-29 01:59:18,061 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. [2023-08-29 01:59:18,069 INFO L137 encePairwiseOnDemand]: 556/558 looper letters, 53 selfloop transitions, 1 changer transitions 0/63 dead transitions. [2023-08-29 01:59:18,069 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 63 transitions, 270 flow [2023-08-29 01:59:18,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:59:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:59:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 807 transitions. [2023-08-29 01:59:18,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.482078853046595 [2023-08-29 01:59:18,075 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 807 transitions. [2023-08-29 01:59:18,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 807 transitions. [2023-08-29 01:59:18,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:18,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 807 transitions. [2023-08-29 01:59:18,077 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) [2023-08-29 01:59:18,080 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) [2023-08-29 01:59:18,081 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) [2023-08-29 01:59:18,081 INFO L175 Difference]: Start difference. First operand has 45 places, 43 transitions, 112 flow. Second operand 3 states and 807 transitions. [2023-08-29 01:59:18,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 63 transitions, 270 flow [2023-08-29 01:59:18,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 63 transitions, 270 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:59:18,083 INFO L231 Difference]: Finished difference. Result has 46 places, 42 transitions, 112 flow [2023-08-29 01:59:18,083 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} [2023-08-29 01:59:18,084 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -18 predicate places. [2023-08-29 01:59:18,084 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 112 flow [2023-08-29 01:59:18,085 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) [2023-08-29 01:59:18,085 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:18,085 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:18,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:59:18,086 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)] === [2023-08-29 01:59:18,086 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:18,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2140452600, now seen corresponding path program 1 times [2023-08-29 01:59:18,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:18,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567942774] [2023-08-29 01:59:18,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:18,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:18,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:18,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567942774] [2023-08-29 01:59:18,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567942774] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:18,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:18,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:59:18,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308611627] [2023-08-29 01:59:18,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:18,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:59:18,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:18,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:59:18,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:59:18,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 558 [2023-08-29 01:59:18,144 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) [2023-08-29 01:59:18,145 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:18,145 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 558 [2023-08-29 01:59:18,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:18,342 INFO L130 PetriNetUnfolder]: 1278/2065 cut-off events. [2023-08-29 01:59:18,342 INFO L131 PetriNetUnfolder]: For 244/244 co-relation queries the response was YES. [2023-08-29 01:59:18,344 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. [2023-08-29 01:59:18,352 INFO L137 encePairwiseOnDemand]: 552/558 looper letters, 58 selfloop transitions, 4 changer transitions 1/69 dead transitions. [2023-08-29 01:59:18,352 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 69 transitions, 300 flow [2023-08-29 01:59:18,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:59:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:59:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 813 transitions. [2023-08-29 01:59:18,355 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48566308243727596 [2023-08-29 01:59:18,355 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 813 transitions. [2023-08-29 01:59:18,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 813 transitions. [2023-08-29 01:59:18,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:18,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 813 transitions. [2023-08-29 01:59:18,358 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) [2023-08-29 01:59:18,360 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) [2023-08-29 01:59:18,361 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) [2023-08-29 01:59:18,362 INFO L175 Difference]: Start difference. First operand has 46 places, 42 transitions, 112 flow. Second operand 3 states and 813 transitions. [2023-08-29 01:59:18,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 69 transitions, 300 flow [2023-08-29 01:59:18,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 69 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:59:18,364 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 139 flow [2023-08-29 01:59:18,364 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} [2023-08-29 01:59:18,365 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -16 predicate places. [2023-08-29 01:59:18,365 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 139 flow [2023-08-29 01:59:18,366 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) [2023-08-29 01:59:18,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:18,366 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:18,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:59:18,366 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)] === [2023-08-29 01:59:18,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:18,367 INFO L85 PathProgramCache]: Analyzing trace with hash -314209255, now seen corresponding path program 1 times [2023-08-29 01:59:18,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:18,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705420466] [2023-08-29 01:59:18,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:18,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:18,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:18,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705420466] [2023-08-29 01:59:18,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705420466] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:18,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:18,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:59:18,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293275840] [2023-08-29 01:59:18,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:18,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:59:18,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:18,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:59:18,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:59:18,423 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 558 [2023-08-29 01:59:18,425 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) [2023-08-29 01:59:18,425 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:18,425 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 558 [2023-08-29 01:59:18,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:18,615 INFO L130 PetriNetUnfolder]: 1274/2076 cut-off events. [2023-08-29 01:59:18,616 INFO L131 PetriNetUnfolder]: For 341/349 co-relation queries the response was YES. [2023-08-29 01:59:18,619 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. [2023-08-29 01:59:18,626 INFO L137 encePairwiseOnDemand]: 554/558 looper letters, 47 selfloop transitions, 4 changer transitions 3/61 dead transitions. [2023-08-29 01:59:18,626 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 61 transitions, 289 flow [2023-08-29 01:59:18,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:59:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:59:18,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 799 transitions. [2023-08-29 01:59:18,629 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.477299880525687 [2023-08-29 01:59:18,629 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 799 transitions. [2023-08-29 01:59:18,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 799 transitions. [2023-08-29 01:59:18,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:18,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 799 transitions. [2023-08-29 01:59:18,631 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) [2023-08-29 01:59:18,634 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) [2023-08-29 01:59:18,635 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) [2023-08-29 01:59:18,635 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 139 flow. Second operand 3 states and 799 transitions. [2023-08-29 01:59:18,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 61 transitions, 289 flow [2023-08-29 01:59:18,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 61 transitions, 279 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:59:18,638 INFO L231 Difference]: Finished difference. Result has 49 places, 45 transitions, 154 flow [2023-08-29 01:59:18,639 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} [2023-08-29 01:59:18,639 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -15 predicate places. [2023-08-29 01:59:18,639 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 45 transitions, 154 flow [2023-08-29 01:59:18,640 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) [2023-08-29 01:59:18,640 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:18,640 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:18,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:59:18,641 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)] === [2023-08-29 01:59:18,641 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:18,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1707986489, now seen corresponding path program 1 times [2023-08-29 01:59:18,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:18,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77005248] [2023-08-29 01:59:18,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:18,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:18,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:18,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77005248] [2023-08-29 01:59:18,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77005248] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:18,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:18,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:59:18,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688822217] [2023-08-29 01:59:18,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:18,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:59:18,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:18,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:59:18,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:59:18,814 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 558 [2023-08-29 01:59:18,815 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) [2023-08-29 01:59:18,816 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:18,816 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 558 [2023-08-29 01:59:18,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:18,986 INFO L130 PetriNetUnfolder]: 1196/1946 cut-off events. [2023-08-29 01:59:18,987 INFO L131 PetriNetUnfolder]: For 438/470 co-relation queries the response was YES. [2023-08-29 01:59:18,990 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. [2023-08-29 01:59:18,996 INFO L137 encePairwiseOnDemand]: 556/558 looper letters, 35 selfloop transitions, 1 changer transitions 10/54 dead transitions. [2023-08-29 01:59:18,996 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 54 transitions, 274 flow [2023-08-29 01:59:18,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:59:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:59:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 792 transitions. [2023-08-29 01:59:18,998 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4731182795698925 [2023-08-29 01:59:18,998 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 792 transitions. [2023-08-29 01:59:18,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 792 transitions. [2023-08-29 01:59:18,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:18,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 792 transitions. [2023-08-29 01:59:19,001 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) [2023-08-29 01:59:19,003 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) [2023-08-29 01:59:19,003 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) [2023-08-29 01:59:19,004 INFO L175 Difference]: Start difference. First operand has 49 places, 45 transitions, 154 flow. Second operand 3 states and 792 transitions. [2023-08-29 01:59:19,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 54 transitions, 274 flow [2023-08-29 01:59:19,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 270 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:59:19,006 INFO L231 Difference]: Finished difference. Result has 47 places, 44 transitions, 150 flow [2023-08-29 01:59:19,007 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} [2023-08-29 01:59:19,007 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -17 predicate places. [2023-08-29 01:59:19,007 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 44 transitions, 150 flow [2023-08-29 01:59:19,008 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) [2023-08-29 01:59:19,008 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:19,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:19,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:59:19,008 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)] === [2023-08-29 01:59:19,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:19,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1670809747, now seen corresponding path program 1 times [2023-08-29 01:59:19,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:19,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954923550] [2023-08-29 01:59:19,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:19,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:19,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:19,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954923550] [2023-08-29 01:59:19,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954923550] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:19,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:19,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 01:59:19,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603632930] [2023-08-29 01:59:19,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:19,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 01:59:19,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:19,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 01:59:19,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 01:59:19,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 558 [2023-08-29 01:59:19,170 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) [2023-08-29 01:59:19,170 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:19,170 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 558 [2023-08-29 01:59:19,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:19,520 INFO L130 PetriNetUnfolder]: 2502/3902 cut-off events. [2023-08-29 01:59:19,520 INFO L131 PetriNetUnfolder]: For 942/994 co-relation queries the response was YES. [2023-08-29 01:59:19,526 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. [2023-08-29 01:59:19,536 INFO L137 encePairwiseOnDemand]: 551/558 looper letters, 79 selfloop transitions, 9 changer transitions 10/106 dead transitions. [2023-08-29 01:59:19,536 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 106 transitions, 531 flow [2023-08-29 01:59:19,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 01:59:19,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 01:59:19,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1311 transitions. [2023-08-29 01:59:19,540 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4698924731182796 [2023-08-29 01:59:19,540 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1311 transitions. [2023-08-29 01:59:19,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1311 transitions. [2023-08-29 01:59:19,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:19,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1311 transitions. [2023-08-29 01:59:19,543 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) [2023-08-29 01:59:19,548 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) [2023-08-29 01:59:19,549 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) [2023-08-29 01:59:19,549 INFO L175 Difference]: Start difference. First operand has 47 places, 44 transitions, 150 flow. Second operand 5 states and 1311 transitions. [2023-08-29 01:59:19,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 106 transitions, 531 flow [2023-08-29 01:59:19,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 106 transitions, 529 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:59:19,553 INFO L231 Difference]: Finished difference. Result has 54 places, 52 transitions, 229 flow [2023-08-29 01:59:19,553 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} [2023-08-29 01:59:19,555 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -10 predicate places. [2023-08-29 01:59:19,556 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 52 transitions, 229 flow [2023-08-29 01:59:19,556 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) [2023-08-29 01:59:19,556 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:19,556 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:19,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:59:19,556 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)] === [2023-08-29 01:59:19,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:19,560 INFO L85 PathProgramCache]: Analyzing trace with hash -747471075, now seen corresponding path program 2 times [2023-08-29 01:59:19,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:19,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996036429] [2023-08-29 01:59:19,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:19,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:19,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:19,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996036429] [2023-08-29 01:59:19,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996036429] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:19,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:19,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 01:59:19,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618674696] [2023-08-29 01:59:19,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:19,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 01:59:19,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:19,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 01:59:19,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-29 01:59:19,738 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 558 [2023-08-29 01:59:19,739 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) [2023-08-29 01:59:19,740 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:19,740 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 558 [2023-08-29 01:59:19,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:20,167 INFO L130 PetriNetUnfolder]: 2933/4611 cut-off events. [2023-08-29 01:59:20,167 INFO L131 PetriNetUnfolder]: For 3347/3407 co-relation queries the response was YES. [2023-08-29 01:59:20,176 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. [2023-08-29 01:59:20,198 INFO L137 encePairwiseOnDemand]: 549/558 looper letters, 76 selfloop transitions, 16 changer transitions 8/108 dead transitions. [2023-08-29 01:59:20,198 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 108 transitions, 644 flow [2023-08-29 01:59:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 01:59:20,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 01:59:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1058 transitions. [2023-08-29 01:59:20,201 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47401433691756273 [2023-08-29 01:59:20,202 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1058 transitions. [2023-08-29 01:59:20,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1058 transitions. [2023-08-29 01:59:20,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:20,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1058 transitions. [2023-08-29 01:59:20,204 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) [2023-08-29 01:59:20,207 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) [2023-08-29 01:59:20,208 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) [2023-08-29 01:59:20,208 INFO L175 Difference]: Start difference. First operand has 54 places, 52 transitions, 229 flow. Second operand 4 states and 1058 transitions. [2023-08-29 01:59:20,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 108 transitions, 644 flow [2023-08-29 01:59:20,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 108 transitions, 644 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:59:20,216 INFO L231 Difference]: Finished difference. Result has 60 places, 62 transitions, 364 flow [2023-08-29 01:59:20,216 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} [2023-08-29 01:59:20,218 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -4 predicate places. [2023-08-29 01:59:20,219 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 62 transitions, 364 flow [2023-08-29 01:59:20,219 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) [2023-08-29 01:59:20,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:20,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:20,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:59:20,220 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)] === [2023-08-29 01:59:20,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:20,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1356821955, now seen corresponding path program 3 times [2023-08-29 01:59:20,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:20,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212619434] [2023-08-29 01:59:20,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:20,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:20,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:20,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212619434] [2023-08-29 01:59:20,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212619434] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:20,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:20,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 01:59:20,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407969576] [2023-08-29 01:59:20,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:20,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 01:59:20,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:20,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 01:59:20,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-29 01:59:20,374 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 558 [2023-08-29 01:59:20,375 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) [2023-08-29 01:59:20,376 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:20,376 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 558 [2023-08-29 01:59:20,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:20,742 INFO L130 PetriNetUnfolder]: 1991/3137 cut-off events. [2023-08-29 01:59:20,743 INFO L131 PetriNetUnfolder]: For 3451/3451 co-relation queries the response was YES. [2023-08-29 01:59:20,750 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. [2023-08-29 01:59:20,753 INFO L137 encePairwiseOnDemand]: 551/558 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2023-08-29 01:59:20,754 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 84 transitions, 552 flow [2023-08-29 01:59:20,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 01:59:20,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 01:59:20,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1045 transitions. [2023-08-29 01:59:20,757 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4681899641577061 [2023-08-29 01:59:20,757 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1045 transitions. [2023-08-29 01:59:20,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1045 transitions. [2023-08-29 01:59:20,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:20,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1045 transitions. [2023-08-29 01:59:20,760 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) [2023-08-29 01:59:20,763 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) [2023-08-29 01:59:20,763 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) [2023-08-29 01:59:20,764 INFO L175 Difference]: Start difference. First operand has 60 places, 62 transitions, 364 flow. Second operand 4 states and 1045 transitions. [2023-08-29 01:59:20,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 84 transitions, 552 flow [2023-08-29 01:59:20,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 84 transitions, 507 flow, removed 11 selfloop flow, removed 4 redundant places. [2023-08-29 01:59:20,777 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2023-08-29 01:59:20,778 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} [2023-08-29 01:59:20,778 INFO L281 CegarLoopForPetriNet]: 64 programPoint places, -7 predicate places. [2023-08-29 01:59:20,778 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2023-08-29 01:59:20,779 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) [2023-08-29 01:59:20,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2023-08-29 01:59:20,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2023-08-29 01:59:20,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2023-08-29 01:59:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2023-08-29 01:59:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2023-08-29 01:59:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2023-08-29 01:59:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2023-08-29 01:59:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2023-08-29 01:59:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2023-08-29 01:59:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2023-08-29 01:59:20,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2023-08-29 01:59:20,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2023-08-29 01:59:20,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2023-08-29 01:59:20,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2023-08-29 01:59:20,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2023-08-29 01:59:20,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2023-08-29 01:59:20,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2023-08-29 01:59:20,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2023-08-29 01:59:20,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2023-08-29 01:59:20,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2023-08-29 01:59:20,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2023-08-29 01:59:20,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2023-08-29 01:59:20,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2023-08-29 01:59:20,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2023-08-29 01:59:20,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2023-08-29 01:59:20,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2023-08-29 01:59:20,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2023-08-29 01:59:20,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:59:20,793 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:20,797 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:59:20,797 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:59:20,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:59:20 BasicIcfg [2023-08-29 01:59:20,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:59:20,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:59:20,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:59:20,801 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:59:20,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:59:06" (3/4) ... [2023-08-29 01:59:20,803 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 01:59:20,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure monitor_thread [2023-08-29 01:59:20,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure counter_thread [2023-08-29 01:59:20,812 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-08-29 01:59:20,812 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-08-29 01:59:20,812 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-29 01:59:20,812 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 01:59:20,813 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 01:59:20,842 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 01:59:20,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:59:20,843 INFO L158 Benchmark]: Toolchain (without parser) took 16016.14ms. Allocated memory was 83.9MB in the beginning and 293.6MB in the end (delta: 209.7MB). Free memory was 57.7MB in the beginning and 233.8MB in the end (delta: -176.1MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-08-29 01:59:20,843 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:59:20,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 922.22ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 57.5MB in the beginning and 72.4MB in the end (delta: -14.9MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2023-08-29 01:59:20,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.11ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 69.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 01:59:20,844 INFO L158 Benchmark]: Boogie Preprocessor took 41.73ms. Allocated memory is still 111.1MB. Free memory was 69.2MB in the beginning and 65.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:59:20,844 INFO L158 Benchmark]: RCFGBuilder took 690.82ms. Allocated memory is still 111.1MB. Free memory was 65.6MB in the beginning and 67.8MB in the end (delta: -2.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-08-29 01:59:20,844 INFO L158 Benchmark]: TraceAbstraction took 14248.47ms. Allocated memory was 111.1MB in the beginning and 293.6MB in the end (delta: 182.5MB). Free memory was 67.2MB in the beginning and 238.0MB in the end (delta: -170.8MB). Peak memory consumption was 169.0MB. Max. memory is 16.1GB. [2023-08-29 01:59:20,845 INFO L158 Benchmark]: Witness Printer took 41.74ms. Allocated memory is still 293.6MB. Free memory was 238.0MB in the beginning and 233.8MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:59:20,846 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 83.9MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 922.22ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 57.5MB in the beginning and 72.4MB in the end (delta: -14.9MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.11ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 69.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.73ms. Allocated memory is still 111.1MB. Free memory was 69.2MB in the beginning and 65.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 690.82ms. Allocated memory is still 111.1MB. Free memory was 65.6MB in the beginning and 67.8MB in the end (delta: -2.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 14248.47ms. Allocated memory was 111.1MB in the beginning and 293.6MB in the end (delta: 182.5MB). Free memory was 67.2MB in the beginning and 238.0MB in the end (delta: -170.8MB). Peak memory consumption was 169.0MB. Max. memory is 16.1GB. * Witness Printer took 41.74ms. Allocated memory is still 293.6MB. Free memory was 238.0MB in the beginning and 233.8MB 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: 9.5s, 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: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 543 SdHoareTripleChecker+Valid, 0.9s 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, 0.9s 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! [2023-08-29 01:59:20,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE